常用的验证规则js

/* 2015-12-21 更新*/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 (parseFloat(fstObj.value) <= parseFloat(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(parseFloat(fstObj.value) + inputObj.getAttribute('operate') + parseFloat(sndObj.value)))) { return false; } }return true;}this.limit = function (inputObj) {var len = inputObj.value.length;if (len) {var minv = parseInt(inputObj.getAttribute('min'));var maxv = parseInt(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 = parseInt(inputObj.getAttribute('min'));var maxv = parseInt(inputObj.getAttribute('max'));minv = minv || 0;maxv = maxv || Number.MAX_VALUE;return minv <= val && val <= maxv;}return true;}this.requireChecked = function (inputObj,formElements) {var minv = parseInt(inputObj.getAttribute('min'));var maxv = parseInt(inputObj.getAttribute('max'));var arrayName = null;var pos = inputObj.name.indexOf('[');if (pos!=-1)arrayName = inputObj.name.substr(0,pos);minv = minv || 1;maxv = maxv || Number.MAX_VALUE;var checked = 0;if (!arrayName) {var groups = document.getElementsByName(inputObj.name);for(var i=0;i<groups.length;i++) {if(groups[i].checked) checked++;}} else {for (var i=0;i<formElements.length;i++) {var e = formElements[i];if (e.checked==true && e.type=='checkbox' && e.name.substring(0,arrayName.length)==arrayName) {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.isTelephone = function (inputObj) { inputObj.value = inputObj.value.trim(); if (inputObj.value == '') { return true; } else { if (!RegExps.isMobile.test(inputObj.value) && !RegExps.isPhone.test(inputObj.value)) {return false;} } return true;} /* //验证IPV4地址this.checkIP = function (inputObj,reg,msg) {inputObj.value = inputObj.value.trim(); if (reg.test(inputObj.value)) return true; return false;}*/ this.checkReg = function(inputObj, reg, msg) { inputObj.value = inputObj.value.trim(); if (inputObj.value == '') { return true; } else { return reg.test(inputObj.value); } } 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=='text' || frt.type=='password') {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
";}fail(msg);}FormValid.succeed = function () {return true;}function validator(frm) {var formElements = frm.elements;var fv = new FormValid(frm);FormValid.allName = new Array();for (var i=0; i0) {for (n in msgs) {fv.addErrorMsg(formElements[i].name,msgs[n]);}}}return fv.passed();}function fvCheck(e,fv,formElements) {var validType = e.getAttribute('valid');var errorMsg = e.getAttribute('errmsg');if (!errorMsg) {errorMsg = '';}if (validType==null || validType=='') return [];fv.addAllName(e.name);var vts = validType.split('|');var ems = errorMsg.split('|');var r = [];for (var j=0; j<vts.length; j++) {var curValidType = vts[j];var curErrorMsg = ems[j];var validResult;switch (curValidType) {case 'isNumber':case 'isEmail':case 'isPhone':case 'isMobile':case 'isIdCard':case 'isMoney':case 'isZip':case 'isQQ':case 'isIP':case 'isInt':case 'isEnglish':case 'isChinese':case 'isUrl':case 'isDate':case 'isTime':validResult = fv.checkReg(e,RegExps[curValidType],curErrorMsg);break;case 'regexp':validResult = fv.checkReg(e,new RegExp(e.getAttribute('regexp'),"g"),curErrorMsg);break;case 'custom':validResult = eval(e.getAttribute('custom')+'(e,formElements)');break;default :validResult = eval('fv.'+curValidType+'(e,formElements)');break;}if (!validResult) r.push(curErrorMsg);}return r;}String.prototype.trim = function() {return this.replace(/^\s*|\s*$/g, "");}var RegExps = function(){};RegExps.isNumber = /^[-\+]?\d+(\.\d+)?$/;RegExps.isIP = /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$/ ;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|15|18|17)\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[s]?:\/\/[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}$/;demo:编号：