js常用的工具方法总结

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/** * 获取系统时间戳 */function getTimestamp() {return(new Date()).valueOf();}/** * 获取上一个页面传过来的参数,并组成一个对象返回 */function getArgs() {var args = new Object();var query = location.search.substring(1); // Get query stringvar pairs = query.split("&"); // Break at ampersandfor(var i = 0; i < pairs.length; i++) {var pos = pairs[i].indexOf('='); // Look for "name=value"if(pos == -1) continue; // If not found, skipvar argname = pairs[i].substring(0, pos); // Extract the namevar value = pairs[i].substring(pos + 1); // Extract the valuevalue = decodeURIComponent(value); // Decode it, if neededargs[argname] = value; // Store as a property}return args; // Return the object}/** * 截取字符串后的某一段 * @param {Object} str 字符串 * @param {Object} start 开始截取位置 * @param {Object} end 结束截取位置 */function subData(str,start,end) {return str.substr(start, end);}/** * 中文正则验证*/function isChinese(temp) {var re = /[^\u4e00-\u9fa5]/;if(re.test(temp)) return false;return true;}/** * 手机号码正则验证 * @param {Object} str */function isMobile(str) {if(!(/^1[34578]\d{9}$/.test(str))) {return false;}return true;}/** * 验证邮箱通过返回true,不通过返回false * @param {Object} email */function isEmail(email) {var regex = /[\w!#$%&'*+/=?^_`{|}~-]+(?:\.[\w!#$%&'*+/=?^_`{|}~-]+)*@(?:[\w](?:[\w-]*[\w])?\.)+[\w](?:[\w-]*[\w])?/;if(!regex.test(email)) {return false}else{return true;}}/** * 验证价格 ,只能是数字,小数点后只能保留两位或一位 * @param {Object} price */function isPrice(price) {if(!/^(([1-9]\d*)|0)(\.\d{1,2})?$/.test(price)) {return false;} else {return true;}}/** * 大于0的正整数,不包含0 * @param {Object} num */function isMoreZero(num) {if(!(/^[1-9]\d*$/).test(num)) {return false;}else{return true;}}/** * 大于或等于0的正整数 * @param {Object} num */function isMoreZeros(num) {if(!(/^([1-9]\d*|[0]{1,1})$/).test(num)) {return false;}else{return true;}}/** * 验证身份证号码,不通过返回false  * @param {Object} num */function isIdCardNo(num) {num = num.toUpperCase(); //身份证号码为15位或者18位,15位时全为数字,18位前17位为数字,最后一位是校验位,可能为数字或字符X。         if(!(/(^\d{15}$)|(^\d{17}([0-9]|X)$)/.test(num))) {//alert('输入的身份证号长度不对,或者号码不符合规定!\n15位号码应全为数字,18位号码末位可以为数字或X。');               // alert('身份证号长度不正确或不符合规定!');               return false;}//验证前2位,城市符合  var aCity = {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"};if(aCity[parseInt(num.substr(0, 2))] == null) {// alert('身份证号不正确或不符合规定!');  return false;}//alert('城市:'+aCity[parseInt(num.substr(0,2))]);  //下面分别分析出生日期和校验位  var len, re;len = num.length;if(len == 15) {re = new RegExp(/^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/);var arrSplit = num.match(re); //检查生日日期是否正确  var dtmBirth = new Date('19' + arrSplit[2] + '/' + arrSplit[3] + '/' + arrSplit[4]);var bGoodDay;bGoodDay = (dtmBirth.getYear() == Number(arrSplit[2])) && ((dtmBirth.getMonth() + 1) == Number(arrSplit[3])) && (dtmBirth.getDate() == Number(arrSplit[4]));if(!bGoodDay) {// alert('身份证号的出生日期不对!');             return false;} else { //将15位身份证转成18位 //校验位按照ISO 7064:1983.MOD 11-2的规定生成,X可以认为是数字10。         var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');var nTemp = 0,i;num = num.substr(0, 6) + '19' + num.substr(6, num.length - 6);for(i = 0; i < 17; i++) {nTemp += num.substr(i, 1) * arrInt[i];}num += arrCh[nTemp % 11];return true;}}if(len == 18) {re = new RegExp(/^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/);var arrSplit = num.match(re); //检查生日日期是否正确  var dtmBirth = new Date(arrSplit[2] + "/" + arrSplit[3] + "/" + arrSplit[4]);var bGoodDay;bGoodDay = (dtmBirth.getFullYear() == Number(arrSplit[2])) && ((dtmBirth.getMonth() + 1) == Number(arrSplit[3])) && (dtmBirth.getDate() == Number(arrSplit[4]));if(!bGoodDay) {//alert(dtmBirth.getYear());  //alert(arrSplit[2]);  //  mui.toast('身份证号的出生日期不对!');  return false;} else { //检验18位身份证的校验码是否正确。 //校验位按照ISO 7064:1983.MOD 11-2的规定生成,X可以认为是数字10。  var valnum;var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');var nTemp = 0,i;for(i = 0; i < 17; i++) {nTemp += num.substr(i, 1) * arrInt[i];}valnum = arrCh[nTemp % 11];if(valnum != num.substr(17, 1)) {//alert('18位身份证的校验码不正确!应该为:' + valnum);  //  mui.toast('18位身份证号的校验码不正确!');  return false;}return true;}}return false;}


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