(收藏)JS验证
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/**/
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function checkInput(_obj,type,errmsg,flag){
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var reg;
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var obj = $(_obj.id);
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var info = $(_obj.id+"Info");
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switch(type){
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case 'isEmpty':
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reg = /^\S+$/;
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break;
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case 'isEmail':
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reg = /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/;
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break;
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case 'isPostCode':
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reg = /^\d{6}$/;//国内的六位邮编格式
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break;
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case 'isTell':
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reg = /(^[0-9]{3,4}\-[0-9]{3,8}$)|(^[0-9]{3,8}$)|(^\([0-9]{3,4}\)[0-9]{3,8}$)|(^0{0,1}13[0-9]{9}$)/; //手机号码或区号-电话;
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break;
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case "isUserName":
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reg = /^\w+$/;//字母开头,允许数字,字母和下划线
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break;
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case "isEnglish":
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reg = /^[a-z]{3,20}$/;
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break;
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case "isNumber":
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reg =/^[1-9]\d*$/;
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break;
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case "indexChar":
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reg=/^[A-Z]$/
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break;
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case "isUrl":
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reg=/^\S+$/;
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break;
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}
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//提交表单或失去焦点进行验证
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if(flag){
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if(reg.test(trim(obj.value))==false){
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info.innerHTML ="<font color='red'>× "+errmsg+"</font>";
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return false;}
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else{
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info.innerHTML ="<font color='green'>√</font>";
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return true;}
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}
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//获得焦点时进行提示
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else{
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info.innerHTML ="<font color='blue'>"+errmsg+"</font>";
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}
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}
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function $(_id){
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return document.getElementById(_id);
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}
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//去掉开始和结束的空格
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function trim(string){ return string.replace(/(^\s*)|(\s*$)/g,"");}
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