获取传给showModalDialog的参数

父页面:

 var obj = new Object();   
  obj.instockdetailid=ids;  
  obj.num=invnum;
 var result = showModalDialog(strUrl + "inBoundAction&method=ricoExecReadSAP&instockdetailid=" + ids, obj, "dialogWidth=800px;dialogHeight=300px;");

result为 showModalDialog的返回值

showModalDialog页面(子页面) 

  var obj = window.dialogArguments;
  var  instockdetailid = obj.instockdetailid;
  var  num  = obj.num;

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