常用JS验证函数大全

[code language=js]/********************************************************************** * 常用JS验证函数 * QQ:12165743 * Email:wqb7156@163.com * Date:2007-06-06 ********************************************************************** 使用说明:正确匹配返回true,否则返回false ---------------------------------------------------------------------- 函数列表: CheckInput() 控件验证 IsLen() 判断长度 IsUsername() 验证用户名 IsPassword() 验证密码 IsEn() 验证是否为字母 IsCn() 验证是否为汉字 IsEmail() 验证E-mail IsMSN() 验证MSN IsQQ() 验证QQ号 IsHttpUrl() 验证网址 IsDoMainName() 验证域名 IsIpv4() 验证IPV4地址 IsImgURL() 验证图片地址 IsCellPhone() 验证手机号码 IsPhone() 验证固定电话 IsZipCode() 验证邮编 IsIdCard() 验证身份证号码 IsDateFormat() 验证日期格式YY-MM-DD IsRangeTime() 验证时间格式HH:MM:SS IsMoney() 验证金额格式 IsInt() 验证数字，并判断其范围 IsSearch() 验证关键字 ----------------------------------------------------------------------- 使用例子: <script language="javascript"> var email="username"; alert(email.IsEmail()); </script> <input name="email" type="text" id="email" value="wqb7156#163.com" /> <div id="Megdiv"></div> <script language="javascript"> if(!CheckInput("email","email","邮箱","notnull",'IsEmail',0,0,"Megdiv")) return flase; </script> ----------------------------------------------------------------------*/ //控件验证 CheckInput(Id,Name,Title,Null,Format, LengthMin, LengthMax,Megdiv) function CheckInput() { var Id=arguments[0]; var Name=arguments[1]; var Title=arguments[2]; var Null=arguments[3].toLowerCase(); var Format=arguments[4] var LengthMin=arguments[5] var LengthMax=arguments[6]; var Megdiv=(arguments[7]==null)?Id+'_meg':arguments[7]; var obj=document.getElementById(Id); var Name=document.getElementsByName(Name); var value=obj.value.replace(/(^/s*)|(/s*$)/g, ""); var type=obj.type.toLowerCase(); var showdiv=document.getElementById(Megdiv); //是否为空，如不为空判断长度范围 if(Null=='notnull') { switch(type){ //文件域 case"file": if( value=='' ) { showdiv.innerHTML='×请选择你要上传的图片'; obj.focus(); return false; } //文本框 case"text": if( value=='' ) { showdiv.innerHTML='×'+Title+'不能为空'; obj.focus(); return false; } break; //文本域 case"textarea": if( value=='' ) { showdiv.innerHTML='×'+Title+'不能为空'; obj.focus(); return false; } break; //密码框 　case"password": if( value=='' ) { showdiv.innerHTML='×'+Title+'不能为空'; obj.focus(); return false; } //确认密码 if(Id.substr(Id.length-2,2)=='re') { var pwd=Id.substr(0,Id.length-3); if(document.getElementById(pwd).value!=value) { showdiv.innerHTML='×'+'两次输入的密码不相同'; obj.focus(); return false; } } break; //单选按钮 case"radio": var flag=false; for (var i=0;i<Name.length;i++) { if(Name.checked) flag=true; //break; } if(!flag) { showdiv.innerHTML='×'+Title+'不能为空'; return false; } break; //复选框 case"checkbox": var flag=false; for (var i=0;i<Name.length;i++) { if(Name.checked) flag=true; //break; } if(!flag) { showdiv.innerHTML='×'+Title+'不能为空'; return false; } break; //列表框 case"select-one": if(obj.selectedIndex==0) { showdiv.innerHTML='×'+Title+'不能为空'; obj.focus(); return false; } break; } }else { //确认密码 if(type=='password'&&Id.substr(Id.length-2,2)=='re') { var pwd=Id.substr(0,Id.length-3); if(document.getElementById(pwd).value!=value) { showdiv.innerHTML='×'+'两次输入的密码不相同'; obj.focus(); return false; } } } //长度判断 if(value!=''&&!value.IsLen(LengthMin,LengthMax)) { showdiv.innerHTML='×'+Title+'长度必须在'+LengthMin+'和'+LengthMax+'之间'; obj.focus(); return false; } //验证数据格式 if(Format!='nocheck'&&value!='') { //选择函数 switch(Format) { case "IsLen": Format=value.IsLen(); break; case "IsUsername": Format=value.IsUsername(); break; case "IsPassword": Format=value.IsPassword(); break; case "IsEn": Format=value.IsEn(); break; case "IsCn": Format=value.IsCn(); break; case "IsEmail": Format=value.IsEmail(); break; case "IsMSN": Format=value.IsMSN(); break; case "IsQQ": Format=value.IsQQ(); break; case "IsHttpUrl": Format=value.IsHttpUrl(); break; case "IsDoMainName": Format=value.IsDoMainName(); break; case "IsIpv4": Format=value.IsIpv4(); break; case "IsImgURL": Format=value.IsImgURL(); break; case "IsCellPhone": Format=value.IsCellPhone(); break; case "IsPhone": Format=value.IsPhone(); break; case "IsZipCode": Format=value.IsZipCode(); break; case "IsIdCard": Format=value.IsIdCard(); break; case "IsDateFormat": Format=value.IsDateFormat(); break; case "IsRangeTime": Format=value.IsRangeTime(); break; case "IsMoney": Format=value.IsMoney(); break; case "IsInt": Format=value.IsInt(); break; case "IsSearch": Format=value.IsSearch(); break; } if(!Format) { showdiv.innerHTML='×'+Title+'格式不正确'; obj.focus(); return false; } } showdiv.innerHTML="√"; return true; } //判断长度(长度不限为0) String.prototype.IsLen = function() { var isRightFormat=false; var minnum=arguments[0]?arguments[0]:0; var maxnum=arguments[1]?arguments[1]:0; isRightFormat = (minnum == 0 && maxnum ==0 ? true : (calculate_byte(this) >= minnum && calculate_byte(this) <= maxnum ? true : false)); return isRightFormat; } //验证用户名 String.prototype.IsUsername = function() { var myReg = /^[0-9a-zA-Z/-]+$/; if(myReg.test(this)) return true; return false; } //验证密码 String.prototype.IsPassword = function() { var myReg = /^[0-9a-zA-Z]+$/; if(myReg.test(this)) return true; return false; } //验证是否为字母 String.prototype.IsEn = function() { var myReg = /^[a-zA-Z]+$/; if(myReg.test(this)) return true; return false; } //验证是否为汉字 String.prototype.IsCn = function() { var myReg =/^[/u0391-/uFFE5]+$/; if(myReg.test(this)) return true; return false; } //验证E-mail String.prototype.IsEmail = function() { var myReg = /([/w-/.]+)@((/[[0-9]{1,3}/.[0-9]{1,3}/.[0-9]{1,3}/.)|(([/w-]+/.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(/]?)/; if(myReg.test(this)) return true; return false; } //验证MSN String.prototype.IsMSN = function() { var myReg = /([/w-/.]+)@((/[[0-9]{1,3}/.[0-9]{1,3}/.[0-9]{1,3}/.)|(([/w-]+/.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(/]?)/; if(myReg.test(this)) return true; return false; } //验证QQ号码 String.prototype.IsQQ = function() { var myReg =/^[1-9]/d{4,9}$/; if(myReg.test(this)) return true; return false; } //验证网址 String.prototype.IsHttpUrl = function() { var myReg =/^http:[A-Za-z0-9]+/.[A-Za-z0-9]+[//=/?%/-&_~`@[/]/':+!]*([^<>/"/"])*$/; if(myReg.test(this)) return true; return false; } //验证域名 String.prototype.IsDoMainName = function() { var myReg =/^[0-9a-zA-Z]([0-9a-zA-Z/-]+/.){1,3}[a-zA-Z]{2,4}?$/; if(myReg.test(this)) return true; return false; } //验证IPV4地址 String.prototype.IsIpv4 = function() { var myReg =/^(2[0-5]{2}|1?[0-9]{1,2}).(2[0-5]{2}|1?[0-9]{1,2}).(2[0-5]{2}|1?[0-9]{1,2}).(2[0-5]{2}|1?[0-9]{1,2})$/; if(myReg.test(this)) return true; return false; } //验证图片地址(不支持由CGI动态生成的图片) String.prototype.IsImgURL = function() { var myReg =/^/.(jpeg|jpg|gif|bmp|png|pcx|tiff|tga|lwf)$/; if(myReg.test(this)) return true; return false; } //验证手机号码 String.prototype.IsCellPhone = function() { var myReg =/^((/(/d{3}/))|(/d{3}/-))?1[3,5]/d{9}$/; if(myReg.test(this)) return true; return false; } //验证固定电话 String.prototype.IsPhone = function() { var myReg =/^[+]{0,1}(/d){1,3}[ ]?([-]?((/d)|[ ]){1,12})+$/; if(myReg.test(this)) return true; return false; } //验证邮编 String.prototype.IsZipCode = function() { var myReg =/[0-9]{6}/; if(myReg.test(this)) return true; return false; } //验证身份证号码 String.prototype.IsIdCard = function() { var myReg =/(^([/d]{15}|[/d]{18}|[/d]{17}[xX]{1})$)/; if(myReg.test(this)) return true; return false; } //验证日期格式YY-MM-DD String.prototype.IsDateFormat = function() { var myReg =/^[0-9]{4}-[0-9]{1,2}-[0-9]{1,2}$/; if(myReg.test(this)) return true; return false; } //验证时间格式HH:MM:SS String.prototype.IsRangeTime = function() { var myReg =/^(/d{2}):(/d{2}):(/d{2})$/; if(myReg.test(this)) return true; return false; } //验证金额格式 String.prototype.IsMoney = function() { var myReg =/^[0-9]{1,8}[.]{0,1}[0-9]{0,2}$/; if(myReg.test(this)) return true; return false; } //字验证数字格式并判断数字的围(min:最小值;max:最大值.) String.prototype.IsInt = function() { var isRightFormat=false; var minnum=arguments[0]?arguments[0]:0; var maxnum=arguments[1]?arguments[1]:0; var myReg =/^[-/+]?/d+$/; if(myReg.test(this)) { isRightFormat = (minnum == 0 && maxnum ==0 ? true : (this > minnum && this < maxnum ? true : false)); } return isRightFormat; } //验证搜索关键字 String.prototype.IsSearch = function() { var myReg=/^[/|/"/'<>,.*&@#$;:!^()]/; if(myReg.test(this)) return false; return true; } //js准确计算字符串长度 function calculate_byte( sTargetStr ) { var sTmpStr, sTmpChar; var nOriginLen = 0; var nStrLength = 0; sTmpStr = new String(sTargetStr); nOriginLen = sTmpStr.length; for ( var i=0 ; i < nOriginLen ; i++ ) { sTmpChar = sTmpStr.charAt(i); if (escape(sTmpChar).length > 4) { nStrLength += 2; } else if (sTmpChar!='/r') { nStrLength ++; } } return nStrLength; }