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var i=1;
function add()
{
var j=i-1;
var tagname="project_contractor"+j;
var id="project_contractor"+i;
var head="<select class='InputStyle' name='project_contractor' id='"+id+"'><option value='0'>请选择</option>";
var project_no=document.getElementById(tagname);
var project_noIndex=project_no.selectedIndex;
var project_noValue=project_no.options[project_noIndex].value;
if(project_noValue==0)
{
alert("上一未选择,不需再增加!");
return false;
}
$.ajax( {
type: "POST", //提交方式
url : 'customerSerch.bia', //提交路径
success : function(data) {
var json=eval('(' + data + ')');
for(var i=0;i<json.length;i++){
head+="<option value='"+json[i].customer_no+"'>"+json[i].customer_name+"</option>";
}
var br = document.createElement("<br />");
var Selects = document.getElementById("project_contractorSelect");
Selects.appendChild(br);
alert(head+"</select>");
Selects.appendChild(document.createElement(head+"</select>"));
},
error : function() {
alert("系统报错,稍后重试!");
}
});
i++;
}
var i=1;
function add()
{
var j=i-1;
var tagname="project_contractor"+j;
var id="project_contractor"+i;
var project_no=document.getElementById(tagname);
var project_noIndex=project_no.selectedIndex;
var project_noValue=project_no.options[project_noIndex].value;
if(project_noValue==0)
{
alert("上一未选择,不需再增加!");
return false;
}
var sel=document.createElement("<select class='InputStyle' name='project_contractor' id='"+id+"'>");
$.ajax( {
type: "POST", //提交方式
url : 'customerSerch.bia', //提交路径
success : function(data) {
var json=eval('(' + data + ')');
for(var i=0;i<json.length;i++){
sel.options[i] = new Option(""+json[i].customer_name+"", ""+json[i].customer_no+"");
}
var br = document.createElement("<br />");
var Selects = document.getElementById("project_contractorSelect");
Selects.appendChild(br);
Selects.appendChild(sel);
},
error : function() {
alert("系统报错,稍后重试!");
}
});
i++;
}
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="js/jquery-1.7.1.min.js"></script>
<script type="text/javascript">
function add(){
var selects=$("#selects");
var select="<select><option value=''>请选择</option></select>";
selects.append(select);
}
</script>
</head>
<body>
<input type="button" onclick="add()" value="增加">
<div id="selects">
</div>
</body>
</html>
测试的