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研究PrintFormat（）并应用现成的示例·综合运用

Q: 怎么把账户当前可用保证金和占用保证金对齐打印到日志里方便排查爆仓风险？

用格式化输出把 AccountInfoDouble 的保证金相关字段按固定宽度左对齐打印，每笔下单前输出一次即可直观看余额。

Q: 实盘时发现下单失败，想快速确认是不是账户禁止自动交易，日志里怎么写？

把账户交易权限属性（如是否允许 EA 交易）用布尔值格式化进日志，开盘前跑一次就能提前发现权限问题。

Q: 小布能不能帮我把这些账户风控参数日志自动生成并每天推送给我看？

可以，小布能按你设定的字段自动提取账户属性生成对齐日志，并在每日固定时间推送到你的看盘界面。

Q: 账户浮盈和净值老是对不齐看串行了，有什么打印技巧？

用带宽度的数值格式化把浮盈、净值都设成同样小数位和列宽，日志里就不会上下错位难读。

Q: 想把账户基础属性如杠杆、币种、服务器分三行打出来，有哪几种写法？

可用逐行直打、表格化对齐、或结构体遍历三种方式，重点在统一字段名与宽度，复制示例改参数即可用。

第 3/3 篇

本章目录

把账户风控参数打进日志
把账户交易权限打进日志
把账户属性打印成对齐日志
把账户基础属性打进日志的三种写法
把账户浮盈和净值打进日志
把账户保证金状态打进日志
把爆仓线与电话线打进日志
把账户保证金占用打进日志的对齐写法
把账户净值结构打进日志的写法
把账户冻结佣金和登录信息打进日志
把账户属性整齐打进日志
把账户属性一次性打印到日志
从分时属性开始的时间（以毫秒为单位）
别急着下结论

「把账户风控参数打进日志」

做账户诊断时，杠杆、挂单上限和爆仓模式这三个值必须先在 MT5 日志里看清楚。下面三个函数直接把 ACCOUNT_LEVERAGE、ACCOUNT_LIMIT_ORDERS、ACCOUNT_MARGIN_SO_MODE 读出来并按统一格式打印，省得手动去账户窗口翻。 AccountLeveragePrint 里 header 写死为 "Leverage:"，header_width 传 0 时自动取字符串长度+1，所以样本输出是 "Leverage: 1:100"，说明该账户杠杆为 1:100。AccountLimitOrdersPrint 同理，样本给出 "Limit orders: 200"，即最多允许 200 个活跃挂单。 StopOut 模式处理稍绕：先用 AccountInfoInteger 拿枚举值，再用 EnumToString 转字符串并砍掉前 21 个字符得到 "Percent" 或 "Money"，转小写后首字母大写，样本输出 "StopOut mode: Percent" 表示按百分比强平。外汇和贵金属自带高杠杆高风险，这类参数看错可能让仓位在极端波动里被秒平，上机前先跑一遍核实。

MQL5 / C++

class="type">void AccountLeveragePrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
   class="type">class="kw">string header="Leverage:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
   PrintFormat("%*s%-*s1:%-s",indent,"",w,header,(class="type">class="kw">string)AccountInfoInteger(ACCOUNT_LEVERAGE));
   class=class="str">"cmt">/* Sample output:
        Leverage: class="num">1:class="num">100
   */
  }
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| Print a description of the maximum allowed
class=class="str">"cmt">//| number of active pending orders
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">void AccountLimitOrdersPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
   class="type">class="kw">string header="Limit orders:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
   PrintFormat("%*s%-*s%-s",indent,"",w,header,(class="type">class="kw">string)AccountInfoInteger(ACCOUNT_LIMIT_ORDERS));
   class=class="str">"cmt">/* Sample output:
        Limit orders: class="num">200
   */
  }
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| Print a description of the mode for setting a minimal
class=class="str">"cmt">//| accepted level of collateral in the journal
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">void AccountMarginSOModePrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Get the value of the mode for setting the minimum available collateral
   ENUM_ACCOUNT_STOPOUT_MODE so_mode=(ENUM_ACCOUNT_STOPOUT_MODE)AccountInfoInteger(ACCOUNT_MARGIN_SO_MODE);
class=class="str">"cmt">//--- "Cut out" the mode name from the line obtained from enum 
   class="type">class="kw">string mode=StringSubstr(EnumToString(so_mode),class="num">21);
class=class="str">"cmt">//--- Convert the characters of the resulting line to lower case and replace the first letter from small to capital
   if(mode.Lower())
      mode.SetChar(class="num">0,class="type">class="kw">ushort(mode.GetChar(class="num">0)-0x20));
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
   class="type">class="kw">string header="StopOut mode:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
   PrintFormat("%*s%-*s%-s",indent,"",w,header,mode);
   class=class="str">"cmt">/* Sample output:
        StopOut mode: Percent
   */
  }

把账户交易权限打进日志

在 MT5 里排查 EA 不下单，第一步往往是确认账户本身有没有被禁交易。下面两个函数直接把 ACCOUNT_TRADE_ALLOWED 和 ACCOUNT_TRADE_EXPERT 的状态按对齐格式印到专家日志，肉眼扫一眼就知道是平台锁户还是 EA 被禁。 AccountTradeAllowedPrint 与 AccountTradeExpertPrint 都接收 header_width 和 indent 两个可选参数；当 header_width 传 0 时，字段宽度自动取表头字符串长度加 1，比如 "Trade allowed:" 长 14，宽度即 15。PrintFormat 用 "%*s%-*s%-s" 做缩进与左对齐，样本输出就是「Trade allowed: Yes」这种两列结构。 Margin 模式那一段更值得留意：它从 ACCOUNT_MARGIN_MODE 枚举值里用 StringSubstr 砍掉前 20 个字符（ENUM_ACCOUNT_MARGIN_MODE 前缀），再 Lower 转小写、首字母加 0x20 还原大写、下划线换空格。这套处理让你在日志里看到的是「retail netting」而不是一堆宏名，回测多账户时区分结算规则会快很多。外汇与贵金属杠杆高，账户 margin mode 不同，强平逻辑可能倾向差异很大，开实盘前建议先跑这段确认。

MQL5 / C++

class="type">void AccountTradeAllowedPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
   class="type">class="kw">string header="Trade allowed:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- Depending on the class="type">bool value of the class="kw">property, pass the "Yes" or "No" line as a parameter
   PrintFormat("%*s%-*s%-s",indent,"",w,header,((class="type">bool)AccountInfoInteger(ACCOUNT_TRADE_ALLOWED) ? "Yes" : "No"));
  class=class="str">"cmt">/* Sample output:
       Trade allowed: Yes
   */
  }
class="type">void AccountTradeExpertPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
   class="type">class="kw">string header="Trade expert:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- Depending on the class="type">bool value of the class="kw">property, pass the "Yes" or "No" line as a parameter
   PrintFormat("%*s%-*s%-s",indent,"",w,header,((class="type">bool)AccountInfoInteger(ACCOUNT_TRADE_EXPERT) ? "Yes" : "No"));
  class=class="str">"cmt">/* Sample output:
       Trade expert: Yes
   */
  }
class="type">void AccountMarginModePrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Get the value of the margin calculation mode
   ENUM_ACCOUNT_MARGIN_MODE  margin_mode=(ENUM_ACCOUNT_MARGIN_MODE)AccountInfoInteger(ACCOUNT_MARGIN_MODE);
class=class="str">"cmt">//--- "Cut out" the mode name from the line obtained from enum 
   class="type">class="kw">string mode=StringSubstr(EnumToString(margin_mode),class="num">20);
class=class="str">"cmt">//--- Convert the characters of the resulting line to lower case and replace the first letter from small to capital
   if(mode.Lower())
      mode.SetChar(class="num">0,class="type">class="kw">ushort(mode.GetChar(class="num">0)-0x20));
class=class="str">"cmt">//--- Replace all underscore characters with space in the resulting line

◍ 把账户属性打印成对齐日志

在 MT5 里排查账户规则时，最怕日志里一堆长短不一的字符串。下面这组函数把保证金模式、币种小数位、FIFO 与对冲权限统一成带缩进、定宽表头的格式，直接粘进 EA 的 OnStart 就能跑。以 AccountCurrencyDigitsPrint 为例：header 写死为 "Currency digits:"，若调用时 header_width 传 0，则表头宽度自动取字符串长度 +1，也就是 16；否则用外部指定宽度。PrintFormat 用 "%*s%-*s%-s" 控制缩进与左对齐，样本输出里币种小数位显示为 2，对应大多数外汇账户报价精度。 AccountFIFOClosePrint 读取 ACCOUNT_FIFO_CLOSE，布尔值映射成 "Yes"/"No"——样本输出 "FIFO close: No" 说明该账户不强制先进先出，可自由平仓。外汇与贵金属杠杆高，账户规则因券商而异，实盘前用这类打印确认环境，可能避免下单被拒的尴尬。别让表头宽度写死 header_width 写 0 时函数自算长度，但如果你要和多行混排，手动传一个统一宽度（比如 20）才能让多行日志竖线对齐；否则 Retail hedging 那行会比 Currency digits 短一截，肉眼对不上。

MQL5 / C++

StringReplace(mode,"_"," ");
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
  class="type">class="kw">string header="Margin mode:";
  class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
  PrintFormat("%*s%-*s%-s",indent,"",w,header,mode);
  class=class="str">"cmt">/* Sample output:
       Margin mode: Retail hedging
   */
  }
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| Print a description of the number of                              |
class=class="str">"cmt">//| decimal places for an account currency                            |
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">void AccountCurrencyDigitsPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
  class="type">class="kw">string header="Currency digits:";
  class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
  PrintFormat("%*s%-*s%-s",indent,"",w,header,(class="type">class="kw">string)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS));
  class=class="str">"cmt">/* Sample output:
       Currency digits: class="num">2
   */
  }
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| Print a description of the flag indicating                        |
class=class="str">"cmt">//| that positions can only be closed using the FIFO rule             |
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">void AccountFIFOClosePrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
  class="type">class="kw">string header="FIFO close:";
  class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- Depending on the class="type">bool value of the class="kw">property, pass the "Yes" or "No" line as a parameter
  PrintFormat("%*s%-*s%-s",indent,"",w,header,((class="type">bool)AccountInfoInteger(ACCOUNT_FIFO_CLOSE) ? "Yes" : "No"));
  class=class="str">"cmt">/* Sample output:
       FIFO close: No
   */
  }
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| Print a description of the flag indicating                        |
class=class="str">"cmt">//| opposite positions are allowed on a single symbol                |
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">void AccountHedgeAllowedPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {

「把账户基础属性打进日志的三种写法」

在 MT5 里排查账户状态，最麻烦的是手敲 Print 每次格式都飘。下面这组函数把对冲许可、余额、信用额三个属性统一成带缩进和对齐头的日志输出，直接抄进 EA 的初始化段就能用。对冲许可走的是整数布尔属性 ACCOUNT_HEDGE_ALLOWED，命中返回 true 就打 Yes，否则 No。样例输出里看到的是 Hedge allowed: Yes，说明当前账户类型支持同品种双向持仓——外汇和贵金属账户里这属性不一定都开，开之前先在策略测试器里跑一遍确认。余额和信用额都依赖 ACCOUNT_CURRENCY_DIGITS 决定小数位，再用 ACCOUNT_CURRENCY 补后缀。样例里 Balance: 10015.00 USD 就是 digits=2 时的结果；若你的账户币种是 JPY，digits 通常为 0，输出就会变成 10015 JPY 不带小数。 header_width 传 0 时，列宽自动取头文本长度+1，所以多属性混打也不会错位。想自己验证，把三个 Print 函数依次调用，打开 MT5 专家日志看对齐效果即可。

MQL5 / C++

class="type">class="kw">string header="Hedge allowed:";
class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
PrintFormat("%*s%-*s%-s",indent,"",w,header,((class="type">bool)AccountInfoInteger(ACCOUNT_HEDGE_ALLOWED) ? "Yes" : "No"));

class="type">void AccountBalancePrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
  class="type">class="kw">double ballance=AccountInfoDouble(ACCOUNT_BALANCE);
  class="type">int digits=(class="type">int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
  class="type">class="kw">string currency=AccountInfoString(ACCOUNT_CURRENCY);
  class="type">class="kw">string header="Balance:";
  class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
  PrintFormat("%*s%-*s%-.*f %-s",indent,"",w,header,digits,ballance,currency);
  }

class="type">void AccountCreditPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
  class="type">class="kw">double credit=AccountInfoDouble(ACCOUNT_CREDIT);
  class="type">int digits=(class="type">int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
  class="type">class="kw">string currency=AccountInfoString(ACCOUNT_CURRENCY);
  class="type">class="kw">string header="Credit:";
  class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
  PrintFormat("%*s%-*s%-.*f %-s",indent,"",w,header,digits,credit,currency);

把账户浮盈和净值打进日志

在 MT5 的 EA 或脚本里，实时把账户层面的关键数字输出到「专家日志」，比盯着终端窗口更利于复盘。下面两个函数分别打印当前浮盈（ACCOUNT_PROFIT）与净值（ACCOUNT_EQUITY），都带缩进与表头宽度参数，方便你和多品种状态混排。函数先用 AccountInfoDouble 取数值，再用 AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS) 拿存款币种的小数位，最后用 AccountInfoString(ACCOUNT_CURRENCY) 取币种名。表头宽度若传 0，则自动按表头字符串长度 +1 处理。日志格式串 "%*s%-*s%-.*f %-s" 里，第一个 * 吃缩进，第二个 * 吃表头宽，.* 吃小数位；示例输出里 Equity 一行曾打出 10015.00 USD，说明当时账户净值较初始入金有变动，外汇与贵金属杠杆账户下这种跳动很常见，属高风险环境下的正常浮值。

MQL5 / C++

class="type">void AccountProfitPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Get the current profit, the number of decimal places for the symbol and its name
   class="type">class="kw">double profit=AccountInfoDouble(ACCOUNT_PROFIT);
   class="type">int digits=(class="type">int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
   class="type">class="kw">string currency=AccountInfoString(ACCOUNT_CURRENCY);
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
   class="type">class="kw">string header="Profit:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- To display the value correctly, replace the asterisk in the format line with the digits value for the symbol
   PrintFormat("%*s%-*s%-.*f %-s",indent,"",w,header,digits,profit,currency);
  }
class="type">void AccountEquityPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Get the equity, the number of decimal places for the symbol and its name
   class="type">class="kw">double equity=AccountInfoDouble(ACCOUNT_EQUITY);
   class="type">int digits=(class="type">int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
   class="type">class="kw">string currency=AccountInfoString(ACCOUNT_CURRENCY);
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
   class="type">class="kw">string header="Equity:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- To display the value correctly, replace the asterisk in the format line with the digits value for the symbol
   PrintFormat("%*s%-*s%-.*f %-s",indent,"",w,header,digits,equity,currency);
  }

◍ 把账户保证金状态打进日志

做 EA 调试时，账户层面的保证金占用、可用保证金和保证金水平这三项是排查爆仓预警的第一手数据。下面这组函数直接调 AccountInfo 系列接口，把数值按统一格式输出到 MT5 专家日志，方便你对比下单前后的资金变化。外汇和贵金属杠杆高，保证金水平掉到经纪商强平线附近时可能瞬间砍仓，盯日志不能替代实时监控。 AccountMarginPrint 取 ACCOUNT_MARGIN 得到已用保证金，样例里输出为 Margin: 0.00 USD，说明当时无持仓占用。AccountMarginFreePrint 取 ACCOUNT_MARGIN_FREE，样例给出 Margin free: 10015.00 USD，也就是账户还有万余单位本位币可开仓。两者都靠 AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS) 拿小数位，避免 USD 类货币硬编码 2 位而出错。格式化核心在 PrintFormat 的 %*s%-*s%-.*f %-s：前两个星号吃缩进和表头宽，.*f 动态填 digits 控制金额精度。表头宽传 0 时自动取 header.Length()+1，你批量打印多项属性时对不齐的问题就解决了。

MQL5 / C++

class="type">void AccountMarginPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Get the reserved collateral, the number of decimal places for the symbol and its name
   class="type">class="kw">double margin=AccountInfoDouble(ACCOUNT_MARGIN);
   class="type">int digits=(class="type">int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
   class="type">class="kw">string currency=AccountInfoString(ACCOUNT_CURRENCY);
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
   class="type">class="kw">string header="Margin:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- To display the value correctly, replace the asterisk in the format line with the digits value for the symbol
   PrintFormat("%*s%-*s%-.*f %-s",indent,"",w,header,digits,margin,currency);
   class=class="str">"cmt">/* Sample output:
       Margin: class="num">0.00 USD
   */
  }
class=class="str">"cmt">//+--------------------------------------------------------------------------------------+
class=class="str">"cmt">//| Print a description of the free funds,                                                 |
class=class="str">"cmt">//| available for opening a position on an account in a deposit currency, in the journal  |
class=class="str">"cmt">//+--------------------------------------------------------------------------------------+
class="type">void AccountMarginFreePrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Get the reserved collateral, the number of decimal places for the symbol and its name
   class="type">class="kw">double margin_free=AccountInfoDouble(ACCOUNT_MARGIN_FREE);
   class="type">int digits=(class="type">int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
   class="type">class="kw">string currency=AccountInfoString(ACCOUNT_CURRENCY);
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
   class="type">class="kw">string header="Margin free:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- To display the value correctly, replace the asterisk in the format line with the digits value for the symbol
   PrintFormat("%*s%-*s%-.*f %-s",indent,"",w,header,digits,margin_free,currency);
   class=class="str">"cmt">/* Sample output:
       Margin free: class="num">10015.00 USD
   */
  }
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| Print a description                                              |
class=class="str">"cmt">//| of the collateral level on an account in %                       |
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">void AccountMarginLevelPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
   class="type">class="kw">string header="Margin level:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);

「把爆仓线与电话线打进日志」

MT5 账户里有两个红线数字最该被盯死：Margin Call 和 Stop Out。前者是券商要求补保证金的垫付阈值，后者是强平最亏仓位的点位，二者在账户信息里分别由 ACCOUNT_MARGIN_SO_CALL 与 ACCOUNT_MARGIN_SO_SO 给出。下面这段函数把 Margin Call 直接打印到专家日志。先取水平值、账户币种小数位和币种名；若止损模式是百分比（ACCOUNT_STOPOUT_MODE_PERCENT），就把币种字符串改成 "%" 且小数位锁死为 2，否则沿用账户货币的小数精度。示例输出里能看到 "Margin Call: 50.00 %"，说明该账户按百分比模式、阈值 50% 触发追缴。 Stop Out 函数结构完全一致，只是换成读 ACCOUNT_MARGIN_SO_SO。实盘中外汇与贵金属杠杆高，Stop Out 一旦触发便是被动砍仓，复制这两段到 EA 初始化里跑一次，能在回测或模拟盘直观看到自己账户的真实强平边界。

MQL5 / C++

class="type">void AccountMarginSOCallPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Get the MarginCall level values, the number of decimal places for the symbol and its name
   class="type">class="kw">double margin_so_call=AccountInfoDouble(ACCOUNT_MARGIN_SO_CALL);
   class="type">int digits=(class="type">int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
   class="type">class="kw">string currency=AccountInfoString(ACCOUNT_CURRENCY);
class=class="str">"cmt">//--- If the level of collateral for MarginCall is calculated as %,
class=class="str">"cmt">//--- specify &class="macro">#x27;currency&class="macro">#x27; in % rather than in account currency, while &class="macro">#x27;digits&class="macro">#x27; will be equal to class="num">2
   if(AccountInfoInteger(ACCOUNT_MARGIN_SO_MODE)==ACCOUNT_STOPOUT_MODE_PERCENT)
     {
      currency="%";
      digits=class="num">2;
     }
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header class="type">class="kw">string + class="num">1
   class="type">class="kw">string header="Margin Call:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- To display the value correctly, replace the asterisk in the format line with the digits value obtained above
   PrintFormat("%*s%-*s%-.*f %s",indent,"",w,header,digits,margin_so_call,currency);
   class=class="str">"cmt">/* Sample output:
      Margin Call: class="num">50.00 %
   */
  }

class="type">void AccountMarginStopOutPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Get the StopOut level values, the number of decimal places for the symbol and its name
   class="type">class="kw">double margin_so_so=AccountInfoDouble(ACCOUNT_MARGIN_SO_SO);
   class="type">int digits=(class="type">int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
   class="type">class="kw">string currency=AccountInfoString(ACCOUNT_CURRENCY);
class=class="str">"cmt">//--- If the level of collateral for StopOut is calculated as %,
class=class="str">"cmt">//--- specify &class="macro">#x27;currency&class="macro">#x27; in % rather than in account currency, while &class="macro">#x27;digits&class="macro">#x27; will be equal to class="num">2
   if(AccountInfoInteger(ACCOUNT_MARGIN_SO_MODE)==ACCOUNT_STOPOUT_MODE_PERCENT)
     {

把账户保证金占用打进日志的对齐写法

做账户监控时，止损爆仓线（Stop Out）和挂单预留保证金是两个常被忽略的数值。下面这段函数把 ACCOUNT_MARGIN_SO_SO 取出来，按账户币种小数位格式化后输出，样例里能看到 30.00 % 这种带百分比的结果，说明该账户止损线设在 30% 保证金占比。 currency="%"; digits=2; } //--- Define the header text and the width of the header field //--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + 1 string header="Margin Stop Out:"; uint w=(header_width==0 ? header.Length()+1 : header_width); //--- Print the property value in the log with a header with the required width and indentation //--- To display the value correctly, replace the asterisk in the format line with the digits value obtained above PrintFormat("%*s%-*s%-.*f %s",indent,"",w,header,digits,margin_so_so,currency); /* Sample output: Margin Stop Out: 30.00 % */ } //+------------------------------------------------------------------+

//	Print a description of the funds
//	reserved on the account for security
//	of a guarantee amount for all pending orders

//+------------------------------------------------------------------+ void AccountMarginInitialPrint(const uint header_width=0,const uint indent=0) { //--- Get the amount of the reserved funds, the number of decimal places for the symbol and its name double margin_initial=AccountInfoDouble(ACCOUNT_MARGIN_INITIAL); int digits=(int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS); string currency=AccountInfoString(ACCOUNT_CURRENCY); //--- Define the header text and the width of the header field //--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + 1 string header="Margin initial:"; uint w=(header_width==0 ? header.Length()+1 : header_width); //--- Print the property value in the log with a header with the required width and indentation //--- To display the value correctly, replace the asterisk in the format line with the digits value for the symbol PrintFormat("%*s%-*s%-.*f %-s",indent,"",w,header,digits,margin_initial,currency); /* Sample output: Margin initial: 0.00 USD */ } //+------------------------------------------------------------------+

//	Print a description of the funds
//	reserved on the account for security
//	of the min amount of all open positions

//+------------------------------------------------------------------+ void AccountMarginMaintenancePrint(const uint header_width=0,const uint indent=0) { //--- Get the amount of the reserved funds, the number of decimal places for the symbol and its name double margin_maintenance=AccountInfoDouble(ACCOUNT_MARGIN_MAINTENANCE); int digits=(int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS); string currency=AccountInfoString(ACCOUNT_CURRENCY); //--- Define the header text and the width of the header field 上面三个 Print 函数分别对应止损线、挂单初始保证金、持仓维护保证金。AccountMarginInitialPrint 的样例输出是 0.00 USD，意味着当前无挂单占用；若你有未成交限价单，这里就会跳出具体预留金额。 header_width 传 0 时，列宽自动取表头字符串长度加 1，所以你换长表头也不用手动算对齐。外汇和贵金属杠杆高，维护保证金随价格波动可能快速变化，建议把这些函数接进 EA 的 OnTimer，每隔几秒打一次日志观察占用趋势。

MQL5 / C++

currency="%";
digits=class="num">2;
}
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
  class="type">class="kw">string header="Margin Stop Out:";
  class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- To display the value correctly, replace the asterisk in the format line with the digits value obtained above
  PrintFormat("%*s%-*s%-.*f %s",indent,"",w,header,digits,margin_so_so,currency);
  class=class="str">"cmt">/* Sample output:
    Margin Stop Out: class="num">30.00 %
  */
  }
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| Print a description of the funds                    | 
class=class="str">"cmt">//| reserved on the account for security                | 
class=class="str">"cmt">//| of a guarantee amount for all pending orders        | 
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">void AccountMarginInitialPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Get the amount of the reserved funds, the number of decimal places for the symbol and its name
  class="type">class="kw">double margin_initial=AccountInfoDouble(ACCOUNT_MARGIN_INITIAL);
  class="type">int digits=(class="type">int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
  class="type">class="kw">string currency=AccountInfoString(ACCOUNT_CURRENCY);
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
  class="type">class="kw">string header="Margin initial:";
  class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- To display the value correctly, replace the asterisk in the format line with the digits value for the symbol
  PrintFormat("%*s%-*s%-.*f %-s",indent,"",w,header,digits,margin_initial,currency);
  class=class="str">"cmt">/* Sample output:
    Margin initial: class="num">0.00 USD
  */
  }
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| Print a description of the funds                    | 
class=class="str">"cmt">//| reserved on the account for security                | 
class=class="str">"cmt">//| of the min amount of all open positions             | 
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">void AccountMarginMaintenancePrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Get the amount of the reserved funds, the number of decimal places for the symbol and its name
  class="type">class="kw">double margin_maintenance=AccountInfoDouble(ACCOUNT_MARGIN_MAINTENANCE);
  class="type">int digits=(class="type">int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
  class="type">class="kw">string currency=AccountInfoString(ACCOUNT_CURRENCY);
class=class="str">"cmt">//--- Define the header text and the width of the header field

◍ 把账户净值结构打进日志的写法

想在 MT5 专家日志里整齐地列出账户维持保证金、总资产、总负债，核心是用 AccountInfoDouble 取数值、用 AccountInfoInteger 取币种小数位、用 AccountInfoString 取币种名，再交给 PrintFormat 统一排版。下面三个函数分别打印 Margin maintenance、Assets、Liabilities。当 header_width 传 0 时，字段宽度自动取表头字符串长度 +1，避免手工对齐；indent 控制左侧缩进空格数。格式串 "%*s%-*s%-.*f %-s" 里，第一个 * 吃 indent 输出空缩进，第二个 * 吃 w 控制表头列宽，.* 吃 digits 决定浮点小数位。样例中三种属性默认输出均为 "0.00 USD"，说明新账户或未持仓时这些项可能倾向为零。外汇与贵金属保证金波动剧烈，账户负债项在穿仓情形下可能变为正数，日志监控仅作辅助，不等于风险可控。

MQL5 / C++

class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
  class="type">class="kw">string header="Margin maintenance:";
  class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- To display the value correctly, replace the asterisk in the format line with the digits value for the symbol
  PrintFormat("%*s%-*s%-.*f %-s",indent,"",w,header,digits,margin_maintenance,currency);
  class=class="str">"cmt">/* Sample output:
        Margin maintenance: class="num">0.00 USD
  */
  }
class=class="str">"cmt">//+----------------------------------------------------------------------------+
class=class="str">"cmt">//| Print a description of the current asset size on the account in the journal|
class=class="str">"cmt">//+----------------------------------------------------------------------------+
class="type">void AccountAssetsPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Get the current asset size on the account, the number of decimal places for the symbol and its name
  class="type">class="kw">double assets=AccountInfoDouble(ACCOUNT_ASSETS);
  class="type">int digits=(class="type">int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
  class="type">class="kw">string currency=AccountInfoString(ACCOUNT_CURRENCY);
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
  class="type">class="kw">string header="Assets:";
  class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- To display the value correctly, replace the asterisk in the format line with the digits value for the symbol
  PrintFormat("%*s%-*s%-.*f %-s",indent,"",w,header,digits,assets,currency);
  class=class="str">"cmt">/* Sample output:
        Assets: class="num">0.00 USD
  */
  }
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| Print a description                                      | 
class=class="str">"cmt">//| of the current liabilities on the account                |
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">void AccountLiabilitiesPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Get the current liabilities on the account, the number of decimal places for the symbol and its name
  class="type">class="kw">double liabilities=AccountInfoDouble(ACCOUNT_LIABILITIES);
  class="type">int digits=(class="type">int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
  class="type">class="kw">string currency=AccountInfoString(ACCOUNT_CURRENCY);
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
  class="type">class="kw">string header="Liabilities:";
  class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- To display the value correctly, replace the asterisk in the format line with the digits value for the symbol
  PrintFormat("%*s%-*s%-.*f %-s",indent,"",w,header,digits,liabilities,currency);
  /* Sample output:
        Liabilities: class="num">0.00 USD

「把账户冻结佣金和登录信息打进日志」

在 MT5 的 EA 调试阶段，直接把账户层面的关键属性打印到“专家”标签页，比反复切去账户总览看要快。下面这段封装了三个函数，分别输出冻结佣金、客户名、交易服务器名，且都支持缩进与表头宽度参数，方便你做多级对齐的日志树。冻结佣金来自 ACCOUNT_COMMISSION_BLOCKED，这是券商在挂单或对冲占用保证金时可能锁住的一笔费用，外汇与贵金属品种在高波动时段出现该数值非零的概率会上升，属于高风险环境下的隐性成本。示例输出为 Comission blocked: 0.00 USD，说明当前演示账户没有冻结佣金。客户名与服务器名分别走 ACCOUNT_NAME 和 ACCOUNT_SERVER，输出如 Name: Artem 与 Server: MetaQuotes-Demo。把这三个打印函数塞进 OnTick 或初始化里，你能在几秒内确认 EA 正连着正确的账户和服务器，而不是默默跑在另一个环境。

MQL5 / C++

class="type">void AccountComissionBlockedPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Get the current blocked commissions on the account, the number of decimal places for the symbol and its name
   class="type">class="kw">double commission_blocked=AccountInfoDouble(ACCOUNT_COMMISSION_BLOCKED);
   class="type">int digits=(class="type">int)AccountInfoInteger(ACCOUNT_CURRENCY_DIGITS);
   class="type">class="kw">string currency=AccountInfoString(ACCOUNT_CURRENCY);
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header class="type">class="kw">string + class="num">1
   class="type">class="kw">string header="Comission blocked:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
class=class="str">"cmt">//--- To display the value correctly, replace the asterisk in the format line with the digits value for the symbol
   PrintFormat("%*s%-*s%-.*f %-s",indent,"",w,header,digits,commission_blocked,currency);
  }

class="type">void AccountNamePrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
   class="type">class="kw">string header="Name:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
   PrintFormat("%*s%-*s%-s",indent,"",w,header,AccountInfoString(ACCOUNT_NAME));
  }

class="type">void AccountServerPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
   class="type">class="kw">string header="Server:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
   PrintFormat("%*s%-*s%-s",indent,"",w,header,AccountInfoString(ACCOUNT_SERVER));
  }

把账户属性整齐打进日志

做账户巡检脚本时，最烦的就是终端日志里一堆属性挤成一团，肉眼对不齐。下面两个小函数专门解决『账户币种』和『券商公司名』的格式化输出，靠 header_width 和 indent 两个参数控制列宽与缩进。 AccountCurrencyPrint 默认表头写 "Currency:"，若 header_width 传 0，则列宽自动取表头字符数 +1；调用 AccountInfoString(ACCOUNT_CURRENCY) 抓取当前账户结算币种，例如样本输出就是 Currency: USD。AccountCompanyPrint 逻辑完全一致，只是换成 ACCOUNT_COMPANY，样本可能输出 Company: MetaQuotes Software Corp.。真正把所有属性串起来的是 AccountInfoPrint：它先 Print 出 "AccountInfoInteger properties:" 分段，再依次调 Login、TradeMode、Leverage 等十余个打印子函数；随后切到 "AccountInfoDouble properties:" 段，列 Balance、Credit、Equity、Margin 等浮点属性。你在 MT5 里挂一段 EA 初始化时跑一次 AccountInfoPrint()，就能在日志里拿到一份带缩进的账户全景，比手动翻终端选项快得多。外汇与贵金属保证金交易杠杆风险高，这类巡检只帮你看清账户状态，不预示任何行情方向。

MQL5 / C++

class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| Print a description of a deposit currency name                  |
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">void AccountCurrencyPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
   class="type">class="kw">string header="Currency:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
   PrintFormat("%*s%-*s%-s",indent,"",w,header,AccountInfoString(ACCOUNT_CURRENCY));
   class=class="str">"cmt">/* Sample output:
        Currency: USD
   */
  }
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| Print a description of the company name,                        |
class=class="str">"cmt">//| serving an account, into the journal                           |
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">void AccountCompanyPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Define the header text and the width of the header field
class=class="str">"cmt">//--- If the header width is passed to the function equal to zero, then the width will be the size of the header line + class="num">1
   class="type">class="kw">string header="Company:";
   class="type">uint w=(header_width==class="num">0 ? header.Length()+class="num">1 : header_width);
class=class="str">"cmt">//--- Print the class="kw">property value in the log with a header with the required width and indentation
   PrintFormat("%*s%-*s%-s",indent,"",w,header,AccountInfoString(ACCOUNT_COMPANY));
   class=class="str">"cmt">/* Sample output:
        Company: MetaQuotes Software Corp.
   */
  }
class=class="str">"cmt">//+------------------------------------------------------------------+
class=class="str">"cmt">//| Print account data into the journal                             |
class=class="str">"cmt">//+------------------------------------------------------------------+
class="type">void AccountInfoPrint(const class="type">uint header_width=class="num">0,const class="type">uint indent=class="num">0)
  {
class=class="str">"cmt">//--- Display descriptions of integer properties according to their location in ENUM_ACCOUNT_INFO_INTEGER
   Print("AccountInfoInteger properties:");
   AccountLoginPrint(header_width,indent);
   AccountTradeModePrint(header_width,indent);
   AccountLeveragePrint(header_width,indent);
   AccountLimitOrdersPrint(header_width,indent);
   AccountMarginSOModePrint(header_width,indent);
   AccountTradeAllowedPrint(header_width,indent);
   AccountTradeExpertPrint(header_width,indent);
   AccountMarginModePrint(header_width,indent);
   AccountCurrencyDigitsPrint(header_width,indent);
   AccountFIFOClosePrint(header_width,indent);
   AccountHedgeAllowedPrint(header_width,indent);
class=class="str">"cmt">//--- Display descriptions of real properties according to their location in class="type">ENUM_ACCOUNT_INFO_DOUBLE
   Print("AccountInfoDouble properties:");
   AccountBalancePrint(header_width,indent);
   AccountCreditPrint(header_width,indent);
   AccountProfitPrint(header_width,indent);
   AccountEquityPrint(header_width,indent);
   AccountMarginPrint(header_width,indent);
   AccountMarginFreePrint(header_width,indent);
   AccountMarginLevelPrint(header_width,indent);
   AccountMarginSOCallPrint(header_width,indent);

◍ 把账户属性一次性打印到日志

在 MT5 里排查保证金异常或核对账户状态时，逐个调 AccountInfoInteger / Double / String 太碎。上面这段把整组属性封装进一个 AccountInfoPrint 函数，OnStart 里只传两个参数就能在日志刷出全量账户档案。调用写的是 AccountInfoPrint(20,2)：第一个数 20 是字段名对齐宽度，第二个 2 是缩进空格数。改这两个值就能控制日志排版，接宽屏显示器时拉到 30 会更易读。样例输出里有一组值得盯的数：杠杆 1:100、StopOut 模式为 Percent、Margin Call 50.00%、Margin Stop Out 30.00%。这意味着当权益 / 保证金跌破 30% 时平台会强平，外汇和贵金属波动大，这个阈值随时可能在一根大阳线里被触到。函数内部依次跑了 StopOut、Initial、Maintenance、Assets、Liabilities、ComissionBlocked 等子打印，再切到字符串属性打印 Name / Server / Currency / Company。你直接把这段贴进 EA 的 OnStart 测一下，能立刻看到自己 demo 或实盘账号的真实配置。

MQL5 / C++

  AccountMarginStopOutPrint(header_width,indent);
  AccountMarginInitialPrint(header_width,indent);
  AccountMarginMaintenancePrint(header_width,indent);
  AccountAssetsPrint(header_width,indent);
  AccountLiabilitiesPrint(header_width,indent);
  AccountComissionBlockedPrint(header_width,indent);
class=class="str">"cmt">//--- Display descriptions of class="type">class="kw">string properties according to their location in ENUM_ACCOUNT_INFO_STRING
  Print("AccountInfoString properties:");
  AccountNamePrint(header_width,indent);
  AccountServerPrint(header_width,indent);
  AccountCurrencyPrint(header_width,indent);
  AccountCompanyPrint(header_width,indent);
}
class="type">void OnStart()
  {
class=class="str">"cmt">//--- Print trading account properties in the journal
  AccountInfoPrint(class="num">20,class="num">2);
  class=class="str">"cmt">/* Sample output:
    AccountInfoInteger properties:
      Login:                class="num">68008618
      Trade mode:           Demo
      Leverage:             class="num">1:class="num">100
      Limit orders:         class="num">200
      StopOut mode:         Percent
      Trade allowed:        Yes
      Trade expert:         Yes
      Margin mode:          Retail hedging
      Currency digits:      class="num">2
      FIFO close:           No
      Hedge allowed:        Yes
    AccountInfoDouble properties:
      Balance:              class="num">10015.00 USD
      Credit:               class="num">0.00 USD
      Profit:               class="num">2.11 USD
      Equity:               class="num">10017.11 USD
      Margin:               class="num">25.61 USD
      Margin free:          class="num">9991.50 USD
      Margin level:         class="num">39114.06 %
      Margin Call:          class="num">50.00 %
      Margin Stop Out:      class="num">30.00 %
      Margin initial:       class="num">0.00 USD
      Margin maintenance:   class="num">0.00 USD
      Assets:               class="num">0.00 USD
      Liabilities:          class="num">0.00 USD
      Comission blocked:    class="num">0.00 USD
    AccountInfoString properties:
      Name:                 Artem
      Server:               MetaQuotes-Demo
      Currency:             USD
      Company:              MetaQuotes Software Corp.
   */
  }

「从分时属性开始的时间（以毫秒为单位）」

MqlTick 结构旨在及时获得当前价格的最需要数据。 MqlTick类型的变量允许在 SymbolInfoTick（）函数的一次调用中获得Ask、Bid、Last和Volume值。此外，该结构还包含以毫秒为单位的分时时间。时间值在＜s1＞long＜/s1＞类型的变量中给定。换句话说，当在日志中打印这些数据时，我们只会得到一个特定的数字——自1970年1月1日以来经过的毫秒数。要以人类可读的时间格式显示这些数据，您需要将此数字转换为日期，并在生成的日期上添加毫秒。要获得带秒的日期，需要将毫秒数除以1000，要获得毫秒的时间，需要将日期的毫秒数的余数除以1000。一般来说，它看起来是这样的：让我们编写一个函数，它以毫秒为单位接收时间，并以“日期时间.毫秒”格式显示：要直接获取以毫秒为单位的日期和时间并将其显示在日记账中，可以使用以下函数： [CODE] void OnStart()   { //---    MqlTick tick;    if(SymbolInfoTick(Symbol(),tick))      {       string time_str=string((datetime)tick.time_msc / 1000)+"."+string(tick.time_msc % 1000);       Print("time_str=",time_str);      }    /* Sample output:       time_str=2023.07.10 18:49:36.463    */   }   //+------------------------------------------------------------------+ <span class="comme

别急着下结论

PrintFormat() 适合直接把账户属性按格式打到日志，但文本若要在程序多个位置复用，它就不够用了。StringFormat() 与之不同，返回的是格式化后的字符串，不强制输出到日志，可在 EA 不同模块拼装使用。下一篇会专门拆 StringFormat() 的调用特征与坑点，当前先记住：需要“一次性看日志”用 PrintFormat，需要“到处拼字符串”留好 StringFormat 的接口。外汇与贵金属自动化涉及高杠杆与滑点风险，任何输出函数只解决可读性问题，不替代策略本身的胜率验证。

←

研究PrintFormat（）并应用现成的示例·进阶篇

常见问题

用格式化输出把 AccountInfoDouble 的保证金相关字段按固定宽度左对齐打印，每笔下单前输出一次即可直观看余额。

把账户交易权限属性（如是否允许 EA 交易）用布尔值格式化进日志，开盘前跑一次就能提前发现权限问题。

可以，小布能按你设定的字段自动提取账户属性生成对齐日志，并在每日固定时间推送到你的看盘界面。

用带宽度的数值格式化把浮盈、净值都设成同样小数位和列宽，日志里就不会上下错位难读。

可用逐行直打、表格化对齐、或结构体遍历三种方式，重点在统一字段名与宽度，复制示例改参数即可用。

研究PrintFormat（）并应用现成的示例·综合运用

「把账户风控参数打进日志」

把账户交易权限打进日志

◍ 把账户属性打印成对齐日志

「把账户基础属性打进日志的三种写法」

把账户浮盈和净值打进日志

◍ 把账户保证金状态打进日志

「把爆仓线与电话线打进日志」

把账户保证金占用打进日志的对齐写法

◍ 把账户净值结构打进日志的写法

「把账户冻结佣金和登录信息打进日志」

把账户属性整齐打进日志

◍ 把账户属性一次性打印到日志

「从分时属性开始的时间（以毫秒为单位）」

别急着下结论

常见问题

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