www.gusucode.com > php+excel通用课表查询系统 v2.1PHP源码程序 > php+excel通用课表查询系统 v2.1/Kebiao0602/Kebiao0602/Inc/js/ajax.js
var $=function(node){ return document.getElementById(node); } function $(objId){ return document.getElementById(objId); } var addressInit = function(_cmbProvince, _cmbCity, defaultProvince, defaultCity) { var cmbProvince = document.getElementById(_cmbProvince); var cmbCity = document.getElementById(_cmbCity); function cmbSelect(cmb, str) { for(var i=0; i<cmb.options.length; i++) { if(cmb.options[i].value == str) { cmb.selectedIndex = i; return; } } } function cmbAddOption(cmb, str, obj) { var option = document.createElement("OPTION"); cmb.options.add(option); option.innerHTML = str; option.value = str; option.obj = obj; } function changeProvince() { cmbCity.options.length = 0; if(cmbProvince.selectedIndex == -1)return; var item = cmbProvince.options[cmbProvince.selectedIndex].obj; for(var i=0; i<item.cityList.length; i++) { cmbAddOption(cmbCity, item.cityList[i], item.cityList[i]); } cmbSelect(cmbCity, defaultCity); } for(var i=0; i<provinceList.length; i++) { cmbAddOption(cmbProvince, provinceList[i].name, provinceList[i]); } cmbSelect(cmbProvince, defaultProvince); changeProvince(); cmbProvince.onchange = changeProvince; }