最新更新修改了当input元件name有包含[]，把焦点移到元件上时会出现JS错误，只有IE是这种情况，没找到很好的解决办法，我只是把这种情况给排除了，就是当元件name有包含[]不把焦点移上去，哪果有好的解决办法请联系我。
并作了 demo8 - 结合jquery实现ajax自定义验证
下载：formvalid.zip
复制代码 代码如下:
/*
* Copyright (c) 2006-2008 coderhome.net
* All rights reserved.
* Support : 志凡(dzjzmj@163.com)
*
* Version : 0.5
*/
var FormValid = function(frm) {
this.frm = frm;
this.errMsg = new Array();
this.errName = new Array();
this.required = function(inputObj) {
if (typeof(inputObj) == "undefined" || inputObj.value.trim() == "") {
return false;
}
return true;
}
this.eqaul = function(inputObj, formElements) {
var fstObj = inputObj;
var sndObj = formElements[inputObj.getAttribute('eqaulName')];
if (fstObj != null && sndObj != null) {
if (fstObj.value != sndObj.value) {
return false;
}
}
return true;
}
this.gt = function(inputObj, formElements) {
var fstObj = inputObj;
var sndObj = formElements[inputObj.getAttribute('eqaulName')];
if (fstObj != null && sndObj != null && fstObj.value.trim()!='' && sndObj.value.trim()!='') {
if (fstObj.value <= sndObj.value) {
return false;
}
}
return true;
}
this.compare = function(inputObj, formElements) {
var fstObj = inputObj;
var sndObj = formElements[inputObj.getAttribute('objectName')];
if (fstObj != null && sndObj != null && fstObj.value.trim()!='' && sndObj.value.trim()!='') {
if (!eval('fstObj.value' + inputObj.getAttribute('operate') + 'sndObj.value')) {
return false;
}
}
return true;
}
this.limit = function (inputObj) {
var len = inputObj.value.length;
if (len) {
var minv = inputObj.getAttribute('min');
var maxv = inputObj.getAttribute('max');
minv = minv || 0;
maxv = maxv || Number.MAX_VALUE;
return minv <= len && len <= maxv;
}
return true;
}
this.range = function (inputObj) {
var val = parseInt(inputObj.value);
if (inputObj.value) {
var minv = inputObj.getAttribute('min');
var maxv = inputObj.getAttribute('max');
minv = minv || 0;
maxv = maxv || Number.MAX_VALUE;
return minv <= val && val <= maxv;
}
return true;
}
this.requireChecked = function (inputObj) {
var minv = inputObj.getAttribute('min');
var maxv = inputObj.getAttribute('max');
minv = minv || 1;
maxv = maxv || Number.MAX_VALUE;
var checked = 0;
var groups = document.getElementsByName(inputObj.name);
for(var i=0;i<groups.length;i++) {
if(groups[i].checked) checked++;
}
return minv <= checked && checked <= maxv;
}
this.filter = function (inputObj) {
var value = inputObj.value;
var allow = inputObj.getAttribute('allow');
if (value.trim()) {
return new RegExp("^.+\.(?=EXT)(EXT)$".replace(/EXT/g, allow.split(/\s*,\s*/).join("|")), "gi").test(value);
}
return true;
}
this.isNo = function (inputObj) {
var value = inputObj.value;
var noValue = inputObj.getAttribute('noValue');
return value!=noValue;
}
this.checkReg = function(inputObj, reg, msg) {
inputObj.value = inputObj.value.trim();
if (inputObj.value == '') {
return;
} else {
if (!reg.test(inputObj.value)) {
this.addErrorMsg(inputObj.name,msg);
}
}
}
this.passed = function() {
if (this.errMsg.length > 0) {
FormValid.showError(this.errMsg,this.errName,this.frm.name);
if (this.errName[0].indexOf('[')==-1) {
frt = document.getElementsByName(this.errName[0])[0];
if (frt.type!='radio' && frt.type!='checkbox') {
frt.focus();
}
}
return false;
} else {
return FormValid.succeed();
}
}
this.addErrorMsg = function(name,str) {
this.errMsg.push(str);
this.errName.push(name);
}
this.addAllName = function(name) {
FormValid.allName.push(name);
}
}
FormValid.allName = new Array();
FormValid.showError = function(errMsg) {
var msg = "";
for (i = 0; i < errMsg.length; i++) {
msg += "- " + errMsg[i] + "\n";
}
alert(msg);
}
FormValid.succeed = function () {
return true;
}
function validator(frm) {
var formElements = frm.elements;
var fv = new FormValid(frm);
for (var i=0; i<formElements.length;i++) {
var validType = formElements[i].getAttribute('valid');
var errorMsg = formElements[i].getAttribute('errmsg');
if (!errorMsg) {
errorMsg = '';
}
if (validType==null) continue;
fv.addAllName(formElements[i].name);
var vts = validType.split('|');
var ems = errorMsg.split('|');
for (var j=0; j<vts.length; j++) {
var curValidType = vts[j];
var curErrorMsg = ems[j];
switch (curValidType) {
case 'isNumber':
case 'isEmail':
case 'isPhone':
case 'isMobile':
case 'isIdCard':
case 'isMoney':
case 'isZip':
case 'isQQ':
case 'isInt':
case 'isEnglish':
case 'isChinese':
case 'isUrl':
case 'isDate':
case 'isTime':
fv.checkReg(formElements[i],RegExps[curValidType],curErrorMsg);
break;
case 'regexp':
fv.checkReg(formElements[i],new RegExp(formElements[i].getAttribute('regexp'),"g"),curErrorMsg);
break;
case 'custom':
if (!eval(formElements[i].getAttribute('custom')+'(formElements[i],formElements)')) {
fv.addErrorMsg(formElements[i].name,curErrorMsg);
}
break;
default :
if (!eval('fv.'+curValidType+'(formElements[i],formElements)')) {
fv.addErrorMsg(formElements[i].name,curErrorMsg);
}
break;
}
}
}
return fv.passed();
}
String.prototype.trim = function() {
return this.replace(/^\s*|\s*$/g, "");
}
var RegExps = function(){};
RegExps.isNumber = /^[-\+]?\d+(\.\d+)?$/;
RegExps.isEmail = /([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)/;
RegExps.isPhone = /^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/;
RegExps.isMobile = /^((\(\d{2,3}\))|(\d{3}\-))?13\d{9}$/;
RegExps.isIdCard = /(^\d{15}$)|(^\d{17}[0-9Xx]$)/;
RegExps.isMoney = /^\d+(\.\d+)?$/;
RegExps.isZip = /^[1-9]\d{5}$/;
RegExps.isQQ = /^[1-9]\d{4,10}$/;
RegExps.isInt = /^[-\+]?\d+$/;
RegExps.isEnglish = /^[A-Za-z]+$/;
RegExps.isChinese = /^[\u0391-\uFFE5]+$/;
RegExps.isUrl = /^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/;
RegExps.isDate = /^\d{4}-\d{1,2}-\d{1,2}$/;
RegExps.isTime = /^\d{4}-\d{1,2}-\d{1,2}\s\d{1,2}:\d{1,2}:\d{1,2}$/;