一想起验证，“头痛”，“麻烦”？费了点力气，一周时间终于写完了验证框架。纯js，以后验证轻松了。
不想看代码的朋友直接看最后的示例好了。

//验证框架基础类
【JS验证框架xValidate|JS验证框架xValidate 7.01（20090830）】var xValidate = {
promptValidate: true,
tipCss: null,
validateState: 0,
errObjSummary: null,
errTipSummary: null,
tipFormat: null,
$Tag: function(n) { return document.getElementsByTagName(n); },
init: function(promptvalidate, tipcss, tipformat) {
xValidate.promptValidate = promptvalidate;
xValidate.tipFormat = tipformat || "{num}.{tip}/n/r";
xValidate.tipCss = tipcss;
if (xValidate.promptValidate) {
var vs;
var inputs = xValidate.$Tag("input");
for (var i = 0; i < inputs.length; i++) {
vs = inputs[i].getAttribute("validateclass") || inputs[i].getAttribute("validatestyle");
if (vs && vs.length > 0)
addEvent(inputs[i], "blur", xValidate.xValidatingOne);
}
inputs = xValidate.$Tag("textarea");
for (var i = 0; i < inputs.length; i++) {
vs = inputs[i].getAttribute("validateclass") || inputs[i].getAttribute("validatestyle");
if (vs && vs.length > 0)
addEvent(inputs[i], "blur", xValidate.xValidatingOne);
}
inputs = xValidate.$Tag("select");
for (var i = 0; i < inputs.length; i++) {
vs = inputs[i].getAttribute("validateclass") || inputs[i].getAttribute("validatestyle");
if (vs && vs.length > 0)
addEvent(inputs[i], "change", xValidate.xValidatingOne);
}
}
},
xValidatingAll: function() {
xValidate.validateState = 2;
xValidate.errObjSummary = new Array();
xValidate.errTipSummary = new Array();
var vs;
var vr = true;
var inputs = new Array();
var tmps = xValidate.$Tag("input");
for (var i = 0; i < tmps.length; i++) {
vs = tmps[i].getAttribute("validatestyle") || tmps[i].getAttribute("validateclass");
if (vs && vs.length > 0)
inputs.push(tmps[i]);
}
tmps = xValidate.$Tag("select");
for (var i = 0; i < tmps.length; i++) {
vs = tmps[i].getAttribute("validatestyle") || tmps[i].getAttribute("validateclass");
if (vs && vs.length > 0)
inputs.push(tmps[i]);
}
tmps = xValidate.$Tag("textarea");
for (var i = 0; i < tmps.length; i++) {
vs = tmps[i].getAttribute("validatestyle") || tmps[i].getAttribute("validateclass");
if (vs && vs.length > 0)
inputs.push(tmps[i]);
}
for (var i = 0; i < inputs.length; i++) {
if (!xValidate.xValidatingOne(inputs[i]))
vr = false;
}
if (!vr) {
if (xValidate.errTipSummary.length > 0) {
var tiphtml = "";
for (var i = 0; i < xValidate.errTipSummary.length; i++) {
tiphtml += xValidate.tipFormat.replace(/{tip}/g, xValidate.errTipSummary[i]).replace(/{num}/g, i + 1);
}
xValidate.alertHandle(tiphtml, xValidate.errObjSummary[0]);
}
}
xValidate.validateState = 0;
return vr;
},
xValidatingOne: function(obj, vt) {
if (xValidate.validateState == 0)
xValidate.validateState = 1;
if (!obj.tagName)
obj = obj.srcElement ? obj.srcElement : obj.target;
var vs, vc, v, min, max, vr;
vs = obj.getAttribute("validatestyle");
vc = obj.getAttribute("validateclass");
if (vs && vs.length > 0 && vs.charAt(0) == "[")
vs = Json.decode(vs);
if (vc && vc.length > 0)
vc = xValidate.templateClass[vc.split("(")[0]];
if (typeof vt == "string") {
if (vt.length > 0 && vt.charAt(0) == "[")
vt = Json.decode(vt);
else
vt = xValidate.templateClass[vt.split("(")[0]];
}
if ((!vs || vs.length == 0) && (!vc || vc.length == 0) && (!vt || vt.length == 0))
return false;
var vo = [];
var tmpv;
for (var j = 0; j < xValidate.validateTypes.length; j++) {
tmpv = xValidate.findValidateItme(vt, xValidate.validateTypes[j]);
if (tmpv == null)
tmpv = xValidate.findValidateItme(vs, xValidate.validateTypes[j]);
if (tmpv == null)
tmpv = xValidate.findValidateItme(vc, xValidate.validateTypes[j]);
if (tmpv != null)
vo.push(tmpv);
}
if (!vo || vo.length == 0)
return false;
for (var j = 0; j < vo.length; j++) {
if (vo[j].validating) {
if (!vo[j].validating(obj, vo[j]))
continue;
}
if (obj.getAttribute("required") && obj.getAttribute("required").toLowerCase() == "false" && obj.value.replace(/(^/s*)|(/s*$)/g, "").length == 0)
continue;
switch (vo[j].type) {
case "empty":
vr = obj.value.replace(/(^/s*)|(/s*$)/g, "").length == 0;
if (vo[j].mirror ? !vr : vr) {
xValidate.xValidated(obj, vo[j], false);
return false;
}
else
xValidate.xValidated(obj, vo[j], true);
break;
case "equal":
v = (vo[j].value.length > 10 && vo[j].value.indexOf("javascript:") == 0) ? eval(vo[j].value.substr(11)) : vo[j].value;
vr = v == obj.value;
if (vo[j].mirror ? !vr : vr)
xValidate.xValidated(obj, vo[j], true);
else {
xValidate.xValidated(obj, vo[j], false);
return false;
}
break;
case "include":
v = (vo[j].value.toString().indexOf("javascript:") == 0) ? eval(vo[j].value.substr(11)) : vo[j].value;
vr = true;
for (var i = 0; i < v.length; i++) {
if (obj.value.indexOf(v[i]) != -1) {
vr = false;
break;
}
}
if (vo[j].mirror ? !vr : vr)
xValidate.xValidated(obj, vo[j], true);
else {
xValidate.xValidated(obj, vo[j], false);
return false;
}
break;
case "length":
v = obj.value.length;
min = (vo[j].min.toString().length > 10 && vo[j].min.toString().indexOf("javascript:") == 0) ? eval(vo[j].min.substr(11)) : parseInt(vo[j].min);
max = (vo[j].max.toString().length > 10 && vo[j].max.toString().indexOf("javascript:") == 0) ? eval(vo[j].max.substr(11)) : parseInt(vo[j].max);
vr = v < min || v > max;
if (vo[j].mirror ? !vr : vr) {
xValidate.xValidated(obj, vo[j], false);
return false;
}
else
xValidate.xValidated(obj, vo[j], true);
break;
case "byte":
v = xValidate.getLengthByByte(obj.value);
min = (vo[j].min.toString().length > 10 && vo[j].min.toString().indexOf("javascript:") == 0) ? eval(vo[j].min.substr(11)) : parseInt(vo[j].min);
max = (vo[j].max.toString().length > 10 && vo[j].max.toString().indexOf("javascript:") == 0) ? eval(vo[j].max.substr(11)) : parseInt(vo[j].max);
vr = v < min || v > max;
if (vo[j].mirror ? !vr : vr) {
xValidate.xValidated(obj, vo[j], false);
return false;
}
else
xValidate.xValidated(obj, vo[j], true);
break;
case "number":
v = parseFloat(obj.value);
min = (vo[j].min.toString().length > 10 && vo[j].min.toString().indexOf("javascript:") == 0) ? eval(vo[j].min.substr(11)) : parseFloat(vo[j].min);
max = (vo[j].max.toString().length > 10 && vo[j].max.toString().indexOf("javascript:") == 0) ? eval(vo[j].max.substr(11)) : parseFloat(vo[j].max);
vr = isNaN(v) || isNaN(min) || isNaN(max) || v < min || v > max;
if (vo[j].mirror ? !vr : vr) {
xValidate.xValidated(obj, vo[j], false);
return false;
}
else
xValidate.xValidated(obj, vo[j], true);
break;
case "digit":
v = parseFloat(obj.value);
min = (vo[j].min.toString().length > 10 && vo[j].min.toString().indexOf("javascript:") == 0) ? eval(vo[j].min.substr(11)) : parseInt(vo[j].min);
max = (vo[j].max.toString().length > 10 && vo[j].max.toString().indexOf("javascript:") == 0) ? eval(vo[j].max.substr(11)) : parseInt(vo[j].max);
var idx = v.toString().indexOf(".");
idx = (idx == -1) ? 0 : obj.value.length - idx - 1;
vr = isNaN(v) || isNaN(min) || isNaN(max) || isNaN(idx) || idx < min || idx > max;
if (vo[j].mirror ? !vr : vr) {
xValidate.xValidated(obj, vo[j], false);
return false;
}
else
xValidate.xValidated(obj, vo[j], true);
break;
case "int":
v = parseInt(obj.value);
min = (vo[j].min.toString().length > 10 && vo[j].min.toString().indexOf("javascript:") == 0) ? eval(vo[j].min.substr(11)) : parseInt(vo[j].min);
max = (vo[j].max.toString().length > 10 && vo[j].max.toString().indexOf("javascript:") == 0) ? eval(vo[j].max.substr(11)) : parseInt(vo[j].max);
vr = isNaN(v) || isNaN(min) || isNaN(max) || v < min || v > max;
if (vo[j].mirror ? !vr : vr) {
xValidate.xValidated(obj, vo[j], false);
return false;
}
else
xValidate.xValidated(obj, vo[j], true);
break;
case "date":
v = Date.formString(obj.value);
min = (vo[j].min.toString().length > 10 && vo[j].min.toString().indexOf("javascript:") == 0) ? eval(vo[j].min.substr(1)) : Date.formString(vo[j].min);
max = (vo[j].max.toString().length > 10 && vo[j].max.toString().indexOf("javascript:") == 0) ? eval(vo[j].max.substr(1)) : Date.formString(vo[j].max);
vr = isNaN(v) || isNaN(min) || isNaN(max) || v < min || v > max;
if (vo[j].mirror ? !vr : vr) {
xValidate.xValidated(obj, vo[j], false);
return false;
}
else
xValidate.xValidated(obj, vo[j], true);
break;
case "regex":
vr = vo[j].pattern.test(obj.value);
if (vo[j].mirror ? !vr : vr)
xValidate.xValidated(obj, vo[j], true);
else {
xValidate.xValidated(obj, vo[j], false);
return false;
}
break;
case "function":
vr = vo[j].handle(obj, vo[j]);
if (vo[j].mirror ? !vr : vr)
xValidate.xValidated(obj, vo[j], true);
else {
xValidate.xValidated(obj, vo[j], false);
return false;
}
break;
}
}
if (xValidate.promptValidate) {
v = $((obj.name || obj.id) + "_tipdiv");
if (v)
document.body.removeChild(v);
}
v = obj.getAttribute("validatecorrectclass");
if (v)
obj.className = v;
if (xValidate.validateState == 1)
xValidate.validateState = 0;
return true;
},
xValidated: function(obj, voj, vr) {
if (!vr) {
var tip = voj.tip.replace(/%value%/g, obj.value).replace(/%length%/g, obj.value.length).replace(/%byte%/g, xValidate.getLengthByByte(obj.value));
var ech = obj.getAttribute("validateclass");
if (ech && ech.indexOf("(") != -1)
ech = ech.split("(")[1].replace(//)$/, "");
else
ech = "";
tip = tip.replace(/{x}/g, ech);
if (xValidate.promptValidate) {
var v = $((obj.name || obj.id) + "_tipdiv");
if (v)
document.body.removeChild(v);
switch (voj.tipmode) {
case undefined:
default:
case 1:
if (!$((obj.name || obj.id) + "_tipdiv")) {
var xy = getPos(obj);
var tipDiv = document.createElement("div");
tipDiv.id = (obj.name || obj.id) + "_tipdiv";
tipDiv.style.position = "absolute";
tipDiv.style.zIndex = "255";
tipDiv.className = obj.getAttribute("validatetipclass") || xValidate.tipCss;
tipDiv.innerHTML = tip;
document.body.appendChild(tipDiv);
var vx = parseInt(obj.getAttribute("validatetipx"));
var vy = parseInt(obj.getAttribute("validatetipy"));
tipDiv.style.left = xy.x + (isNaN(vx) ? 0 : vx) + obj.offsetWidth + "px";
tipDiv.style.top = xy.y + (isNaN(vy) ? 0 : vy) - tipDiv.offsetHeight / 2 + obj.offsetHeight / 2 + "px";
}
else
$((obj.name || obj.id) + "_tipdiv").innerHTML = tip;
break;
case 0:
case 2: break;
case 3: $(voj.controlid).innerHTML = tip; break;
case 4: $(voj.controlid).value = https://www.it610.com/article/tip; break;
case 5: xValidate.alertHandle(tip); break;
}
}
if (xValidate.validateState == 2) {
if (!voj.tipmode || voj.tipmode != 0)
xValidate.errTipSummary.push(tip);
xValidate.errObjSummary.push(obj);
}
var vfc = obj.getAttribute("validatefailedclass");
if (vfc)
obj.className = vfc;
}
if (voj.validated)
voj.validated(obj, vr);
if (xValidate.validateState == 1)
xValidate.validateState = 0;
},
findValidateItme: function(vo, type) {
if (!vo || vo.length == 0)
return null;
if (typeof vo == "string")
vo = Json.decode(vo);
for (var i = 0; i < vo.length; i++) {
if (vo[i].type == type)
return vo[i];
}
return null;
},
getLengthByByte: function(s) {
if (!s)
return 0;
var c = 0;
for (var i = 0; i < s.length; i++)
c += (s.charCodeAt(i) < 0xFF) ? 1 : 2;
return c;
},
alertHandle: function(tip, focusObj) {
alert(tip);
if (focusObj) {
if (focusObj.tagName.toLowerCase() == "select")
focusObj.focus();
else
focusObj.select();
}
},
getCurrentStyle: function(o) {
return o.currentStyle || document.defaultView.getComputedStyle(o, null);
},
validateTypes: new Array("empty", "equal", "include", "length", "byte", "number", "digit", "int", "date", "regex", "function"),
templateClass: {
username: [{ type: "empty", tip: "请填写用户名称" }, { type: "byte", min: 4, max: 20, tip: "用户名应为4~20个字符(一个汉字算两个字符)" }, { type: "regex", pattern: /^([a-zA-Z]/w{2,18}[a-zA-Z0-9]|[/u4E00-/u9FA5][/u4E00-/u9FA5a-zA-Z0-9]{1,9})$/, tip: "您填写的用户名称包含特殊字符"}],
password: [{ type: "empty", tip: "请填写密码" }, { type: "length", min: 6, max: 16, tip: "请输入6~16个字符"}],
verify: [{ type: "empty", tip: "请填写确认密码" }, { type: "equal", value: "javascript:$('txtPassword').value", tip: '您两次填写的密码不一致。'}],
vcode: [{ type: "empty", tip: "请按照图片显示填写验证号码，如看不清请点击图片更换" }, { type: "length", min: 4, max: 4, tip: "您填写的验证号码不正确"}],
address: [{ type: "empty", tip: "请填写{x}详细地址" }, { type: "length", min: 2, max: 200, tip: "您填写的{x}详细地址无效"}],
postcode: [{ type: "empty", tip: "请填写{x}邮政编码" }, { type: "regex", pattern: /^/d{6}$/, tip: "您填写的{x}邮政编码无效"}],
realname: [{ type: "empty", tip: "请填写{x}真实姓名" }, { type: "regex", pattern: /^[a-zA-Z]/w{2,18}[a-zA-Z0-9]|[/u4E00-/u9FA5]{2,5}$/, tip: "请填写正确的{x}真实姓名"}],
creditcard: [{ type: "empty", tip: "请填写{x}卡号" }, { type: "regex", pattern: /^[0-9]([0-9]|[/-/s]){11,20}[0-9]$/, tip: "您填写的{x}卡号格式不正确"}],
quantity: [{ type: "empty", tip: "请填写{x}数量" }, { type: "int", min: 1, max: 9999, tip: "您填写的{x}数量无效"}],
url: [{ type: "empty", tip: "请填写{x}地址" }, { type: "regex", pattern: /^(http|https)?:[A-Za-z0-9]+/.[A-Za-z0-9]+[//=/?%/-&_~`@[/]/':+!]*([^<>/"/"])*$/, tip: "您填写的{x}地址格式无效"}],
qq: [{ type: "empty", tip: "请填写{x}QQ号码" }, { type: "regex", pattern: /^[1-9]/d{4,8}$/, tip: "您填写的{x}QQ号码格式不正确"}],
ip: [{ type: "empty", tip: "请填写{x}IP地址" }, { type: "regex", pattern: /^(/d{1,2}|1/d/d|2[0-4]/d|25[0-5])/.(/d{1,2}|1/d/d|2[0-4]/d|25[0-5])/.(/d{1,2}|1/d/d|2[0-4]/d|25[0-5])/.(/d{1,2}|1/d/d|2[0-4]/d|25[0-5])$/, tip: "您填写的{x}IP地址格式无效"}],
email: [{ type: "empty", tip: "请填写{x}电子邮箱地址" }, { type: "length", min: 8, max: 50, tip: "您填写的{x}电子邮箱地址长度无效" }, { type: "regex", pattern: /^/w+([-+.]/w+)*@/w+([-.]/w+)*/./w+([-.]/w+)*$/, tip: "您填写的{x}电子邮箱格式不正确"}],
idcard: [{ type: "empty", tip: "请填写{x}身份证号码" }, { type: "function", handle: checkIdCard, tip: "您填写的{x}身份证号码无效"}],
money: [{ type: "empty", tip: "请填写{x}金额" }, { type: "number", min: 0, max: 99999999, tip: "您填写的{x}金额无效" }, { type: "dight", min: 0, max: 2, tip: "{x}金额最多可以填写2位小数"}],
mobile: [{ type: "empty", tip: "请填写{x}手机号码" }, { type: "regex", pattern: /^(((13[0-9]{1})|15[0-9]{1}|18[0-9]{1})+/d{8})$/, tip: "您填写的{x}手机号码格式不正确"}],
telephone: [{ type: "empty", tip: "请填写{x}座机电话号码" }, { type: "regex", pattern: /^([/d-+]{4,20})$/, tip: "您填写的{x}座机电话号码不正确"}],
fax: [{ type: "empty", tip: "请填写{x}传真号码" }, { type: "regex", pattern: /^([/d-+]{4,20})$/, tip: "您填写的{x}传真号码不正确"}],
date: [{ type: "empty", tip: "请填写{x}日期。" }, { type: "date", min: new Date(1900, 0, 1), max: new Date(2079, 5, 6), tip: "您填写的{x}日期无效"}]
}
};
//验证身份证的方法，验证模板中用到了
function checkIdCard(sNo) { if (sNo == null) return false; sNo = sNo.value.toString(); if (sNo.length == 18) { var a, b, c; if (isNaN(sNo.substr(0, 17))) { return false; } a = parseInt(sNo.substr(0, 1)) * 7 + parseInt(sNo.substr(1, 1)) * 9 + parseInt(sNo.substr(2, 1)) * 10; a = a + parseInt(sNo.substr(3, 1)) * 5 + parseInt(sNo.substr(4, 1)) * 8 + parseInt(sNo.substr(5, 1)) * 4; a = a + parseInt(sNo.substr(6, 1)) * 2 + parseInt(sNo.substr(7, 1)) * 1 + parseInt(sNo.substr(8, 1)) * 6; a = a + parseInt(sNo.substr(9, 1)) * 3 + parseInt(sNo.substr(10, 1)) * 7 + parseInt(sNo.substr(11, 1)) * 9; a = a + parseInt(sNo.substr(12, 1)) * 10 + parseInt(sNo.substr(13, 1)) * 5 + parseInt(sNo.substr(14, 1)) * 8; a = a + parseInt(sNo.substr(15, 1)) * 4 + parseInt(sNo.substr(16, 1)) * 2; b = a % 11; if (b == 2) { c = sNo.substr(17, 1).toUpperCase(); } else { c = parseInt(sNo.substr(17, 1)); } switch (b) { case 0: if (c != 1) { return false; } break; case 1: if (c != 0) { return false; } break; case 2: if (c != "X") { return false; } break; case 3: if (c != 9) { return false; } break; case 4: if (c != 8) { return false; } break; case 5: if (c != 7) { return false; } break; case 6: if (c != 6) { return false; } break; case 7: if (c != 5) { return false; } break; case 8: if (c != 4) { return false; } break; case 9: if (c != 3) { return false; } break; case 10: if (c != 2) { return false }; } } else { if (isNaN(sNo)) { return false; } } switch (sNo.length) { case 15: if (checkDateTime(sNo.substr(6, 2) + '-' + sNo.substr(8, 2) + '-' + sNo.substr(10, 2))) { return true; } case 18: if (checkDateTime(sNo.substr(6, 4) + '-' + sNo.substr(10, 2) + '-' + sNo.substr(12, 2))) { return true; } } return false; }

//一些库方法
Date.fromString = function(str) { return new Date(Date.parse(str.replace(//-/g, '/'))); }
function $(id) { return document.getElementById(id); }
var Json = { encode: function(o) { var s = [], p = {}, c = ""; p.isArr = o instanceof Array; if (p.isArr) { p.l = "["; p.r = "]" } else { p.l = "{"; p.r = "}" }; for (k in o) { if (!p.isArr) c = '"' + k + '":'; else c = ""; switch (typeof (o[k])) { case "object": if (o[k] instanceof Object) c += arguments.callee(o[k]); else c += o[k]; break; case "string": c += '"' + o[k].replace("//", "").replace('"', '//"') + '"'; break; case "number": case "boolean": case "null": c += o[k]; break; default: continue }; s.push(c) }; return p.l + s.join(",") + p.r }, decode: function(str) { var k; try { k = eval('(' + str + ')'); return (typeof k == "object") ? k : '' } catch (e) { return '' } } };
function addEvent(oElement, sEvent, func) { if (oElement.addEventListener) { oElement.addEventListener(sEvent, func, false); } else if (oElement.attachEvent) { oElement.attachEvent("on" + sEvent, func); } else { oElement["on" + sEvent] = func; } }
function getEvent() { if (window.event) return window.event; var func = getEvent.caller; var arg0 = null; while (func != null) { arg0 = func.arguments[0]; if (arg0 && ((arg0.constructor == window.top.Event || arg0.constructor == MouseEvent) || (typeof (arg0) == "object" && arg0.preventDefault && arg0.stopPropagation))) return arg0; func = func.caller; } return null; }
function getSrcElement() { var e = getEvent(); return e.srcElement ? e.srcElement : e.target; }
function getPos(o) { var x = 0, y = 0; x -= (o.style.borderLeftWidth ? parseInt(o.style.borderLeftWidth) : 0); y -= (o.style.borderTopWidth ? parseInt(o.style.borderTopWidth) : 0); do { x += o.offsetLeft + (o.style.borderLeftWidth ? parseInt(o.style.borderLeftWidth) : 0); y += o.offsetTop + (o.style.borderTopWidth ? parseInt(o.style.borderTopWidth) : 0); o = o.offsetParent; } while (o)return { x: x, y: y }; }

验证框架使用说明和实例

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