function initAreaSelect(firstLevelId, secondLevelId) {
var firstLevel=document.getElementById(firstLevelId);
var secondLevel=document.getElementById(secondLevelId);
//插入第一级数据
for (var i=0; i<localArea.data.children.length; i++) {
var firstLevelNode=localArea.data.children[i];
var optionNode = document.createElement("option");
optionNode.text=firstLevelNode.name;
optionNode.value=firstLevelNode.id;
firstLevel.appendChild(optionNode);
}
//第一级改变时，修改第二级的select
firstLevel.onchange=function() {
var selectId=firstLevel.options[firstLevel.selectedIndex].value;
var selectName=firstLevel.options[firstLevel.selectedIndex].text;
var formatFirstLevel = selectId +"-"+selectName;
var sLength=secondLevel.length;
for (var i=0; i<sLength; i++) secondLevel.remove(0);
for (var i=0; i<localArea.data.children.length; i++) {
var firstLevelNode=localArea.data.children[i];
if (firstLevelNode.id==selectId) {
if (firstLevelNode.children) {
var optionNode = document.createElement("option");
optionNode.text="请选择";
optionNode.value=-1;
secondLevel.appendChild(optionNode);
for (var j=0; j<firstLevelNode.children.length; j++) {
var secondLevelNode=firstLevelNode.children[j];
var optionNode = document.createElement("option");
optionNode.text=secondLevelNode.name;
optionNode.value=secondLevelNode.id;
secondLevel.appendChild(optionNode);
}
}
break;
}
}
secondLevel.onchange=function() {
var selectId=secondLevel.options[secondLevel.selectedIndex].value;
var selectName=secondLevel.options[secondLevel.selectedIndex].text;
var formatSecondLevel = selectName +"-"+selectId;
$("#localworkarea").val(formatFirstLevel +"，"+formatSecondLevel);
}
}
}
initAreaSelect("workCity", "workArea");