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请教:如何实现一个锁单脚本,错误原因“invalid lots amount for ordersend function ”

程序代码如下,请各位帮帮忙 目前功能非常简陋,所有订单的止损止盈函数未添加 //+------------------------------------------------------------------+ //| 锁单脚本.mq4 | //| Copyright 2014, MetaQuotes Software Corp. | //| https://www.mql4.com | //+------------------------------------------------------------------+ #property copyright "Copyright