java checkbox 多选_checkbox多选[总结]

1.

全选

2.

value="">

js代码:

var tag = false;

function doDelete()

{

if(deletecheck())

{

var theForm=document.projectSetForm;

theForm.action = "projectSet.do?do=delete&lotId=";

theForm.submit();

}

}

function deletecheck()

{

var theForm = document.projectSetForm;

var checked = false;

if(typeof(theForm.checkboxDelete.length)=="undefined"){

if(theForm.checkboxDelete.checked == true){

checked = true;

}

}else{

var len = theForm.checkboxDelete.length;

for (var i=0;i

if(theForm.checkboxDelete[i].checked == true){

checked = true;

break;

}

}

}

if(!checked){

alert("请至少选择一条要删除的记录！")

return(false);

}

if(confirm("确定要删除吗？")){

return(true);

}

return(false);

}

function allcheck(){

var theForm = document.projectSetForm;

var len = theForm.checkboxDelete.length;

var i = 0

if (tag == false)

for (i=0;i

theForm.checkboxDelete[i].checked = true;

tag = true;

}

else{

for ( i=0;i

theForm.checkboxDelete[i].checked = false;

tag = false;

}

}

}