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1、ajax的定时调用每5秒调用一次_ 这篇文章主要介绍了关于ajax的定时调用,本例为每5秒调用一次,大家可以依据自己的需求更改 代码如下: function initXMLRequest() if (window.ActiveXObject) xmlRequest = new ActiveXObject(Microsoft.XMLHTTP); else if (window.XMLHttpRequest) xmlRequest = new XMLHttpRequest(); function sendHTTPRequest() initXMLRequest(); var url = monit
2、or!taskdata.action; /调用的servlet if (xmlRequest) xmlRequest.open(POST, url, true); xmlRequest.send(null); xmlRequest.onreadystatechange = isDataExists; /用法方法回调,每5秒调用一次 setTimeout(sendHTTPRequest(),5000); function isDataExists() if (xmlRequest.readyState = 4) if (xmlRequest.status = 200) var data = ev
3、al(+xmlRequest.responseText+); / 猎取tbody的表格内容 var taskTable = document.getElementById(tasktbody); for(var i=taskTable.childNodes.length-1;i=0;i-) taskTable.removeChild(taskTable.childNodesi); $.each(data, function(i,val) var newTR = taskTable.insertRow(taskTable.rows.length); newTR.id=taskdata_+(i+1
4、); newTR.ondblclick=getdetail; newTR.onclick=selectRow; backColor(val.taskstatus,newTR); var newNameTD=newTR.insertCell(0); newNameTD.innerHTML = val.taskname; newNameTD.id=taskname_+(i+1); var newStatusTD=newTR.insertCell(1); newStatusTD.innerHTML = val.taskstatus; newStatusTD.id=taskstatus_+(i+1);
5、 var newArgTD=newTR.insertCell(2); newArgTD.innerHTML = val.data_start_time; var newOtherArgTD=newTR.insertCell(3); newOtherArgTD.innerHTML = val.schedule_interval; var newdateformatTD=newTR.insertCell(4); newdateformatTD.innerHTML = val.next_execution_time; var newbackwordTD=newTR.insertCell(5); ne
6、wbackwordTD.innerHTML = val.taskdetailscount; var newpriorityTD=newTR.insertCell(6); newpriorityTD.innerHTML = val.statusruncount; var newleftTD=newTR.insertCell(7); newleftTD.innerHTML = val.statusfinishcount; var newlefttimeTD=newTR.insertCell(8); newlefttimeTD.innerHTML = val.statuserrorcount; ); 更多信息请查看IT技术专栏 .