provcity.js

OA.....其他人不需帐号就可自由下载此源码其他人不需帐号就可自由下载此源码

function Roly_ProvCity() {
	this.obj = this;
	this.province = "";
	this.city = "";
	this.list = [];
}
function Roly_ProvCity_Province() {
	this.name = "";
	this.cityList = [];
}

Roly.ProvCity.prototype.parseXml = function() {
	var xml = document.all.ProvinceCity;
	if(xml == null || xml == undefined) {
		alert("Error:Can't find xml data!");
		return;
	}
	var root = xml.documentElement;
	
	var def = root.firstChild;
	this.province = def.getAttribute("province");
	this.city = def.getAttribute("city");
	
	for(var i=1;i<root.childNodes.length;i++) {
		var pNode = root.childNodes[i];
		var bean = new Roly.ProvCity.Province();
		bean.name = pNode.getAttribute("name");

		for(var j=0;j<pNode.childNodes.length;j++) {
			var cNode = pNode.childNodes[j];
			bean.cityList[bean.cityList.length] = cNode.getAttribute("name");
		}

		this.list[this.list.length] = bean;
	}
}

Roly.ProvCity.prototype.init = function(p,c) {
	this.parseXml();
	if(p=="null" || c=="null") {
		p = "";
		c = "";
	}
	this.province = p;
	this.city = c;
	var slt_usr = $("province");
	var slt_dpt = $("city");
	if(slt_usr == null || slt_dpt == null)
		return;
	slt_usr.length = 0;
	slt_usr.param = this;
	slt_usr.onchange = this.changeProxy;

	var blank = document.createElement("option");
	blank.setAttribute("value","");
	blank.appendChild(document.createTextNode("------"));
	slt_usr.appendChild(blank);

	slt_dpt.length = 0;
	for(var i=0;i<this.list.length;i++) {
		var bean = this.list[i];
		var op = document.createElement("option");
		op.setAttribute("value",bean.name);
		op.appendChild(document.createTextNode(bean.name));
		if(this.province == bean.name)
			op.selected = true;
		slt_usr.appendChild(op);
	}

	if(this.province != "") {
		this.change(this.province,this.city);
	} else {
		this.change(slt_usr.options[0].value,this.city);
	}

}

Roly.ProvCity.prototype.changeProxy = function() {
	var S = $("province");
	var obj = S.param;
	var prov_name = S.options[S.selectedIndex].value;
	obj.change(prov_name);
}

//褰撻