js的验证
// 格式化数字,保持小数点位数if(!Number.prototype.toFixed) {Number.prototype.toFixed=function(num) {with(Math)return round(this.valueOf()*pow(10,num))/pow(10,num); };}// 身份证号码验证function isIdCardNo(num) {var factorArr = new Array(7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2,1);//var error;var varArray = new Array();var intValue;var lngProduct = 0;var intCheckDigit;var intStrLen = num.length;var idNumber = num; // 输入身份证号码长度判断 if ((intStrLen != 15) && (intStrLen != 18)) { return false; } // 数字位判断 for(i=0;i<intStrLen;i++) { varArray[i] = idNumber.charAt(i); if ((varArray[i] < '0' || varArray[i] > '9') && (i != 17)) { return false; } else if (i < 17) { varArray[i] = varArray[i]*factorArr[i]; } } if (intStrLen == 18) { // 出生日期判断 var date8 = idNumber.substring(6,14); if (isDate8(date8) == false) { return false; } // 计算校验位 for(i=0;i<17;i++) { lngProduct = lngProduct + varArray[i]; } intCheckDigit = 12 - lngProduct % 11; switch (intCheckDigit) { case 10: intCheckDigit = 'X'; break; case 11: intCheckDigit = 0; break; case 12: intCheckDigit = 1; break; } // 判断校验位 if (varArray[17].toUpperCase() != intCheckDigit) { return false; } } else{ // 出生日期判断 var date6 = idNumber.substring(6,12); if (isDate6(date6) == false) { return false; } } return true;}// email验证function isEmail(email) {if (email=="") return true;return /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i.test(email);}// 手机号码验证function isMobilePhone(mobilePhone) {if (mobilePhone=="") return true;return (mobilePhone.length == 11 && /^(((13[0-9]{1})|(14[0-9]{1})|(15[0-9]{1})|(18[0-9]{1}))+\d{8})$/.test(mobilePhone));}// YYYYMM日期格式验证function isDate6(sDate) {return isDate8("19"+sDate);} // YYYYMMDD日期格式验证function isDate8(sDate) {if(!/^[0-9]{8}$/.test(sDate)) {return false;}var year, month, day;year = sDate.substring(0, 4);month = sDate.substring(4, 6);day = sDate.substring(6, 8);var iaMonthDays = [31,28,31,30,31,30,31,31,30,31,30,31];if (year < 1900 || year > 2100) return false;if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) iaMonthDays[1]=29;if (month < 1 || month > 12) return false;if (day < 1 || day > iaMonthDays[month - 1]) return false;return true;} /** * 判断字符串的长度，超出部分用省略号表示 */function strlong(str,num){var showstr = "";if(str.length > num){showstr = str.substring(0,num)+"...";}else{showstr = str;}return showstr;}/** * 判断字符串的长度，超出部分用省略号表示 */ function SetString(str,len){ var strlen = 0; var s = "";for(var i = 0;i < str.length;i++){if(str.charCodeAt(i) > 128)strlen += 2;else strlen++; s += str.charAt(i);if(strlen >= len) return s + "...";}return s;}/** *判断浏览器类型 */function getOs() { var OsObject = ""; if(navigator.userAgent.indexOf("MSIE")>0) { return "MSIE"; } if(isFirefox=navigator.userAgent.indexOf("Firefox")>0){ return "Firefox"; } } // 获取元素的绝对坐标function gE(x){return document.getElementById(x);}function gETop(x){var t=0;while(x){t+=x.offsetTop;x=x.offsetParent;}return t;}function gEBottom(x){return (x.offsetHeight+gETop(x));}function gELeft(x){var l=0;while(x){l+=x.offsetLeft;x=x.offsetParent;}return l;}function gERight(x){return (x.offsetWidth+gELeft(x));}// 获取两个日期的间隔天数function getDateDiff(startDate, endDate) { var startTime = new Date(Date.parse(startDate.replace(/-/g, "/"))).getTime(); var endTime = new Date(Date.parse(endDate.replace(/-/g, "/"))).getTime(); var dates = Math.abs((startTime - endTime))/(1000*60*60*24); return dates; }var specialDateMap = {"2012-02-06":"元宵节","2012-02-07":"十六","2012-02-14":"情人节","2012-04-04":"清明节","2012-05-01":"劳动节","2012-06-01":"儿童节","2012-06-23":"端午节","2012-08-01":"建军节","2012-09-10":"教师节","2012-09-30":"中秋节","2012-10-01":"国庆节","2012-12-25":"圣诞节","2013-01-01":"元旦节","2013-02-10":"春节","2013-02-24":"元宵节","2013-04-04":"清明节","2013-05-01":"劳动节","2013-06-01":"儿童节","2013-06-12":"端午节","2013-09-10":"教师节","2013-09-19":"中秋节","2013-10-01":"国庆节","2013-12-25":"圣诞节","2014-01-01":"元旦节"};var weekArr = new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");function getSpecialDateTip(strDate) {var nowdt = new Date(); var today = nowdt.getFullYear()+"-"+(nowdt.getMonth()+1)+"-"+ nowdt.getDate(); var d = getDateDiff(today, strDate); if(d==0) {return '今天'; } else if(d==1) {return '明天';} else if(d==2) {return '后天';}if(specialDateMap[strDate]) {return specialDateMap[strDate];}else {var date = new Date(Date.parse(strDate.replace(/-/g, "/")));return weekArr[date.getDay()];}}??