js 验证非常好_转

http://justshare.iteye.com/blog/226479

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//the?common?event,If?your?brower?is?firefox,you?should?use?this?function?instead?of?"window.event"??????function?getEvent()?{??????????if(document.all)???????????????return?window.event;?//get?ie?event??????????func=getEvent.caller;??????????while(func!=null)?{??????????????var?arg0=func.arguments[0];//alert(arg0);??????????????if(arg0)?{??????????????????if((arg0.constructor==Event?||?arg0.constructor?==MouseEvent)?||?(typeof(arg0)=="object"?&&?arg0.preventDefault?&&?arg0.stopPropagation))?{??????????????????????return?arg0;??????????????????}?????????????????????????}??????????????func=func.caller;??????????}??????????return?null;??????}??????//去除左侧空格?????????function?LTrim(str)?????????{??????????return?str.replace(/^\s*/g,"");?????????}??????????????????//去右空格?????????function?RTrim(str)?????????{?????????return?str.replace(/\s*$/g,"");?????????}???????????????//去掉字符串两端的空格????????function?trim(str)????????{?????????return?str.replace(/(^\s*)|(\s*$)/g,?"");?????????}?????????????//去除字符串中间空格????????function?CTim(str)????????{?????????return?str.replace(/\s/g,'');????????}??????????????//是否为由数字组成的字符串????????function?is_digitals(str)???????{?????????var?reg=/^[0-9]*$/;//匹配整数????????return?reg.test(str);??????????????}???????????????//验证是否为整数，包括正负数；????????function?Is_Int(str)????????{?????????var?reg=/^(-|\+)?\d+$/;?????????return?reg.test(str);????????}???????????????//是大于0的整数?????????function?Is_positive_num(str)????????{?????????var?reg=/^\d+$/;?????????return?reg.test(str);????????}???????????????//负整数的验证????????function?Is_minus(str)????????{?????????var?reg=/^-\d+$/;?????????return?reg.test(str);????????}???????????????//验证是否为浮点数（正数）????????function?IsPositiveFloat(str)????????{?????????var?check_float?=new?RegExp("^[1-9][0-9]*\.[0-9]+$");//匹配浮点数?????????return?check_float.exec(str);????????}??????????????//是否为固定电话，区号3到4位，号码7到8位,区号和号码用"－"分割开，转接号码为1到6位，用小括号括起来紧跟在号码后面???????function?IsTelphone(str)????????{?????????var?reg=/^[0-9]{3,4}\-\d{7,8}(\(\d{1,6}\))?$/;?????????????????????????if?(reg.test(str))??????????return?true;????????????else???????????????return?false;????????}???????????????//手机号码验证，验证13系列和158，159几种号码，长度11位????????function?IsMobel(str)????????{????????var?reg0?=?/^13\d{9}$/;????????????var?reg1?=?/^158\d{8}$/;????????????var?reg2?=?/^159\d{8}$/;?????????????????????return?(reg0.test(str)||reg1.test(str)||reg2.test(str))???????}???????????????//验证是否为中文???????function?IsChinese(str)????????{?????????var?reg=/^[\u0391-\uFFE5]+$/;?????????return?reg.test(str);???????}???????????????//验证是否为qq号码，长度为5－10位????????function?IsQq(str)????????{?????????var?reg=/^[1-9]\d{4,9}$/;?????????return?reg.test(str);????????}???????????????//验证邮编????????function?IsPostId(str)????????{?????????var?reg=/^\d{6}$/;?????????return?reg.test(str);???????}?????????????//验证是否未email???????function?IsEmail(str)???????{????????var?reg=/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;????????return?reg.test(str);???????}?????????????//验证IP地址???????function?IsIp(str)???????{????????var?check=function(v)????????{?????????try????????{??????????return?(v<=255?&&?v>=0)?????????}catch(x){???????????return?false;??????????}????????}????????var?re=str.split(".")????????return?(re.length==4)?(check(re[0])?&&?check(re[1])?&&?check(re[2])?&&?check(re[3])):false??????}?????????????//身份证验证???????function?IsIdnum(str)???????{????????var?City={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江?",????????????31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北?",????????????43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏?",????????????61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外?"}????????var?iSum=0???????var?info=""???????if(!/^\d{17}(\d|x)$/i.test(str))?????????return?false;????????str=str.replace(/x$/i,"a");????????if(City[parseInt(str.substr(0,2))]==null)????????{?????????alert(?"Error:非法地区");?????????return?false;????????}????????sBirthday=str.substr(6,4)+"-"+Number(str.substr(10,2))+"-"+Number(str.substr(12,2));????????var?d=new?Date(sBirthday.replace(/-/g,"/"))????????if(sBirthday!=(d.getFullYear()+"-"+?(d.getMonth()+1)?+?"-"?+?d.getDate()))????????{?????????alert("Error:非法生日");?????????return?false;????????}????????for(var?i?=?17;i>=0;i?--)??????????iSum?+=?(Math.pow(2,i)?%?11)?*?parseInt(str.charAt(17?-?i),11)????????if(iSum%11!=1)????????{?????????alert("Error:非法证号");?????????return?false;????????}????????return?City[parseInt(str.substr(0,2))]+","+sBirthday+","+(str.substr(16,1)%2?"男":"女")???????}?????????????//判断是否短时间，形如?(13:04:06)???????function?IsTime(str)???????{????????var?a?=?str.match(/^(\d{1,2})(:)?(\d{1,2})\2(\d{1,2})$/);????????if?(a?==?null)?????????{?????????alert('输入的参数不是时间格式');?return?false;????????}????????if?(a[1]>24?||?a[3]>60?||?a[4]>60)????????{?????????alert("时间格式不对");?????????return?false???????}????????return?true;???????}?????????????//短日期，形如?(2003-12-05)???????function?IsDate(str)???????{????????var?r?=?str.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);????????if(r==null)?????????return?false;????????var?d=?new?Date(r[1],?r[3]-1,?r[4]);????????return?(d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]);???????}?????????????//?长时间，形如?(2003-12-05?13:04:06)???????function?IsDateTime(str)???????{????????var?reg?=?/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})?(\d{1,2}):(\d{1,2}):(\d{1,2})$/;????????var?r?=?str.match(reg);????????if(r==null)?????????return?false;????????var?d=?new?Date(r[1],?r[3]-1,r[4],r[5],r[6],r[7]);????????return?(d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]&&d.getHours()==r[5]&&d.getMinutes()==r[6]&&d.getSeconds()==r[7]);???????}?????????????//?判断字符全部由a-Z或者是A-Z的字字母组成???????function?Is_Letters(str)???????{????????var?reg=/[^a-zA-Z]/g;????????return?reg.test(str);???????}?????????????//?判断字符由字母和数字组成。???????function?Is_letter_num(str)???????{????????var?reg=/[^0-9a-zA-Z]/g;????????return?reg.test(str);???????}?????????????//判断字符由字母和数字，下划线,点号组成.且开头的只能是下划线和字母???????function?IsUserName(str)???????{????????var?reg=/^([a-zA-z_]{1})([\w]*)$/g;????????return?reg.test(str);???????}?????????????//?判断浏览器的类型???????function?GetBrowseType()???????{????????alert(window.navigator.appName);???????}?????????????//判断ie的版本???????function?Get_Eidition()???????{????????alert(window.navigator.appVersion);???????}?????????????//判断客户端的分辨率???????function?GetResolution()???????{????????alert(window.screen.height);????????alert(window.screen.width);???????}?????????????//?判断用户名是否为数字字母下滑线?????????function?notchinese(str)???????{?????????var?reg=/[^A-Za-z0-9_]/g????????????if?(reg.test(str))????????{??????????????return?(false);????????????}?????????else???????{??????????return(true);???????????}????????}????????????????????????//验证url???????function?IsUrl(str)???????{????????var?reg=/^(http\:\/\/)?([a-z0-9][a-z0-9\-]+\.)?[a-z0-9][a-z0-9\-]+[a-z0-9](\.[a-z]{2,4})+(\/[a-z0-9\.\,\-\_\%\?\=\&]?)?$/i;????????return?reg.test(str);???????}?????????????//判断是否含有汉字???????????????function?ContentWord(str)???????{?????????if?(escape(str).indexOf("%u")!=-1)??????????return?true;????????else????????return?false;???????}?????????????//页面里回车到下一控件的焦点???????function?Enter2Tab(e)???????{???????????try??????????{???????????????var?ob?=?IsFireFox???e.target?:?event.srcElement;???????????????if(ob.tagName?==?"INPUT"?&&(ob.type?==?"text"?||ob.type?==?"password"?||ob.type?==?"checkbox"?????????????????||ob.type?==?"radio")?||ob.tagName?==?"SELECT")???????????????{???????????????????var?key?=?IsFireFox???e.which?:?event.keyCode;???????????????????if?(key?==?13)???????????????????{???????????????????????if?(IsFireFox)???????????????????????{???????????????????????????event.which?=?9;???????????????????????}???????????????????????else??????????????????????{???????????????????????????event.keyCode?=?9;???????????????????????}???????????????????}???????????????}???????????}???????????catch(E){}???????}?????????????/**?????*?初始化一个xmlhttp对象?????*/??????function?InitAjax()???????{????????var?ajax=false;????????　?try?????????{????????　　??ajax?=?new?ActiveXObject("Msxml2.XMLHTTP");????????　?}?catch?(e)??????????{????????　　???try???????????{????????　　　???ajax?=?new?ActiveXObject("Microsoft.XMLHTTP");????????　　???}?catch?(E)????????????{????????　　　????ajax?=?false;????????　　????}????????　??}???????　?if?(!ajax?&&?typeof?XMLHttpRequest!='undefined')?????????{????????　　??ajax?=?new?XMLHttpRequest();????????　?}????????　?return?ajax;???????}?????????????function?callback(ajax)???????{????????//如果执行是状态正常，那么就把返回的内容赋值给上面指定的层???????　　if?(ajax.readyState?==?4?&&?ajax.status?==?200)?????????{??????????　　?show.innerHTML?=?ajax.responseText;????????　　}?????????else???????{?????????alert("there?was?a?problem?retrieving?the?xml?data:"+ajax.statusText);????????}???????}?????????????function?getNews(newsID)???????{???????　//如果没有把参数newsID传进来???????　if?(typeof(newsID)?==?'undefined')???????　{????????　　return?false;???????　}???????　//需要进行Ajax的URL地址???????　var?url?=?"show.php?id="+?newsID;???????　//获取新闻显示层的位置???????　var?show?=?document.getElementById("show_news");????????　//实例化Ajax对象???????　var?ajax?=?InitAjax();?????????????　//使用Get方式进行请求???????　ajax.open("GET",url,true);????????　//获取执行状态???????　ajax.onreadystatechange?=function()?{????????if?(ajax.readyState?==?4?&&?ajax.status?==?200)?????????{??????????　　?show.innerHTML?=?ajax.responseText;????????　　}????????}???????　//发送空???????　ajax.send(null);????????}??????????????//_______全选择__________???????function?SelectAll()???????{???????????var?empty;???????????var?f?=?document.forms[0];???????????for?(var?i?=?0;?i?<?f.length;?i++)???????????{???????????????empty?=?f[i];???????????????if?(empty.type?==?"checkbox"?&&?empty.disabled?==?false)???????????????????empty.checked?=?true;???????????}???????}?????????????//__________返选择_________???????function?SelectReverse()???????{???????????var?empty;???????????var?f?=?document.forms[0];???????????for?(var?i?=?0;?i?<?f.length;?i++)???????????{???????????????empty?=?f[i];???????????????if?(empty.type?==?"checkbox"?&&?empty.disabled?==?false)?????????if(empty.checked?==?true)?????????{????????????empty.checked?=?false;?????????}?????????else????????{????????????empty.checked?=?true;?????????}???????????}???????}