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Java code:
this.systemRelService.addSystemRelInfo(loginNo, systemCode, flag);
printWriter.write("{success:true}");
return null;
}catch(Exception e) {
e.printStackTrace();
printWriter.write("{success:false,text:'ϵͳÒì³££¬ÇëÁªÏµ¹ÜÀíÔ±'}");
return null;


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Java code:
this.systemRelService.addSystemRelInfo(loginNo, systemCode, flag);
printWriter.write("{success:true}");
return null;
}catch(Exception e) {
e.printStackTrace();
printWriter.write("{success:false,text:'ϵͳÒì³££¬ÇëÁªÏµ¹ÜÀíÔ±'}");
return null;


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Struts1.2 ½áºÏajax ¿ò¼Ü ÕûºÏÉý¼¶ - Java / Java EE

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AjaxµÄÒ»¸öСÎÊÌâ - Java / Web ¿ª·¢

function callback(){
  if (req.readyState == 4){
  if(req.status == 200){
  var msg = req.responseXML.getElementsByTagName("msg")[0];
  // alert(msg.chil ......
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