validcode.js

来自「LiteBlaster 是一款基于 .NET Framework 原创的 ASP」· JavaScript 代码 · 共 35 行

// for valid code
// ajax.js, x_core.js, main.js needed

function reloadValidCode(){
	var img = xGetElementById('ValidCodeImg');
	img.src = 'ValidCode.aspx?t=' + Math.random();
}
reloadValidCode();

function validInputCode_onload(){
	var xmlDoc = this.req.responseXML;
	var re = getXmlElementText(xmlDoc, 'Return');
	reloadValidCode();
	if(re == 'True'){
		this.onsuccess.call(this);
	}else{
		this.onfail.call(this);
	}
}
function validInputCode_onfail(){
	alert('验证码错误或者请求验证失败。');
}
function validInputCode(input, onsuccess, onfail){
	if(!onfail){
		onfail = validInputCode_onfail;
	}
	if(!xStr(input) || input.length == 0){
		onfail.call(this);
		return;
	}
	var params = 'input=' + encodeURIComponent(input);
	var loader = new ajax.loader('ValidCode.aspx', 'POST', validInputCode_onload, onfail, params);
	loader.onsuccess = onsuccess;
	loader.onfail = onfail;
}