function checkAll(boolvalue)
{
var allCheckBoxs=document.getElementsByName("isBuy");
for(var i=0;i<allCheckBoxs.length;i++)
{
if(allCheckBoxs[i].type=="checkbox")
allCheckBoxs[i].checked=boolvalue;
} function selwhite()
{
white.getW(setwhite);
}
function setwhite(date)
{
var mybody = document.getElementsByTagName("body")[0];
var mytable = document.getElementById("mytable");
var mytablebody = document.createElement("tbody");
for(var i=0;i<date.length;i++)
{
var NewTr = document.createElement("tr");
var NewTd1 = document.createElement("td");
var NewTd2 = document.createElement("td");
var NewTd3 = document.createElement("td");
var NewTd4 = document.createElement("td");
var NewTd5 = document.createElement("td");
var NewTd6 = document.createElement("td");
var username=document.createTextNode(date[i].userName);
var projectname=document.createTextNode(date[i].projectName);
var sectionname=document.createTextNode(date[i].sectionName);
var filename=document.createTextNode(date[i].fileName);
var whiteId=document.createTextNode(date[i].whiteListId)
NewTd1.appendChild(username);
NewTd2.appendChild(projectname);
NewTd3.appendChild(sectionname);
NewTd4.appendChild(filename);
var input=document.createElement("input");
input.setAttribute("type","checkbox");
input.setAttribute("id","isBuy");
input.setAttribute("name","isBuy");
input.setAttribute("value",whiteId);//实验过whiteId有值
NewTd5.appendChild(input);
NewTd6.appendChild(whiteId);
NewTr.appendChild(NewTd1);
NewTr.appendChild(NewTd2);
NewTr.appendChild(NewTd3);
NewTr.appendChild(NewTd4);
NewTr.appendChild(NewTd5);
NewTr.appendChild(NewTd6);
mytablebody.appendChild(NewTr);
}
mytable.appendChild(mytablebody);
mybody.appendChild(mytable);
mytable.setAttribute("align", "center");
}这个是html
<td><input type="button" onClick="javascript:checkAll(true)" value="全选"><input type="button" onClick="javascript:checkAll(false)" value="全不选"></td>
<td><input type="button" onclick="document.getElementById('form1').submit()" value="删除"></td>处理页面
String id[]=(String[])request.getParameterValues("isBuy");id[]为空怎么回事,请高手指点!
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