常用的代码

 //获取距离今天的某一天日期
    getDateStr: function (AddDayCount) {
      var dd = new Date();
      dd.setDate(dd.getDate() + AddDayCount);//获取AddDayCount天后的日期
      var y = dd.getFullYear();
      var m = this.zero(dd.getMonth() + 1);//获取当前月份的日期
      var d = this.zero(dd.getDate());
      return y + "-" + m + "-" + d;
    },
    //判断字符串是否为空
    isNull: function (str) {
      if ($.trim(str).length == 0)return true;
      else return false;
    },
    //判断字符串是否为微信号
    isWx: function (str) {
      var rex = /^[a-zA-Zd_]{5,}$/;
      if (rex.test($.trim(str)))return true;
      return false;
    },
    //判断是否全为数字
    isNum: function (num) {
      var rex = /^[0-9]+$/;
      if (rex.test($.trim(num)))return true;
      return false;
    },
    //判断是否全为热线电话
    isHotline: function (num) {
      var rex = /^[0-9]([0-9]|-)*[0-9]$/;
      if (rex.test($.trim(num)))return true;
      return false;
    },
    //判断是否全为单价
    isPrice: function (num) {
      var rex = /^[0-9]+$/;
      //var num = n.trim();
      var _this = this;
      var numArr = num.toString().split('.');
      var len = numArr.length;
      var temp = 0;
      if (len > 2)return false;
      if (len == 2) {
        var l = numArr[1].length;
        var l1 = numArr[0].length;
        if (l > 2) {
          return false;
        }
        if (numArr[0].trim().length != l1)return false;
      }
      $.each(numArr, function (i) {
        if (numArr[i] < 0 || !_this.isNum(numArr[i])) {
          temp = 1
        }
      });
      if (temp)return false;
      return true;
    },
    isMoney: function (n) {
      var rex = /^[0-9]+$/;
      var num = n.trim();
      var _this = this;
      var numArr = num.toString().split('.');
      var len = numArr.length;
      var temp = 0;
      if (len > 2)return false;
      if (len == 2) {
        var l = numArr[1].length;
        var l1 = numArr[0].length;
        if (l > 2) {
          return false;
        }
        if (numArr[0].trim().length != l1)return false;
      }
      $.each(numArr, function (i) {
        if (numArr[i] < 0 || !_this.isNum(numArr[i])) {
          temp = 1
        }
      });
      if (temp)return false;
      return true;
    },

    //判断是否为url地址
    isUrl: function (str) {
      var rex = /^(http|https){1}://[^s]+$/;
      if (rex.test($.trim(str)))return true;
      else return false;
    },
    //验证email格式
    isEmail: function (str) {
      var reg = /^w+((-w+)|(.w+))*@[A-Za-z0-9]+((.|-)[A-Za-z0-9]+)*.[A-Za-z0-9]+$/;
      if (reg.test(str))return true;
    },
    isPhone: function (str) {
      var a = /^1d{10}$/, s = $.trim(str);
      if (a.test(s))return true;
    },
    istel: function (str) {
      var rex = /^[0-9]{3,4}-[0-9]{7,8}$/;
      if (rex.test(str))return true;
      else return false;
    },
    //验证银行卡号
    //Description:  银行卡号Luhm校验 //Luhm校验规则：16位银行卡号（19位通用）:
    //1.将未带校验位的 15（或18）位卡号从右依次编号 1 到 15（18），位于奇数位号上的数字乘以 2。
    // 2.将奇位乘积的个十位全部相加，再加上所有偶数位上的数字。
    // 3.将加法和加上校验位能被 10 整除。 //方法步骤很清晰，易理解，需要在页面引用Jquery.js     //bankno为银行卡号 banknoInfo为显示提示信息的DIV或其他控件
    isBankId: function (bankno) {
      var rex = /^[A-Za-z0-9]+$/;
      if (rex.test(bankno))return true;
      return false;

      var lastNum = bankno.substr(bankno.length - 1, 1);//取出最后一位（与luhm进行比较）
      var first15Num = bankno.substr(0, bankno.length - 1);//前15或18位
      var newArr = [];
      for (var i = first15Num.length - 1; i > -1; i--) {    //前15或18位倒序存进数组
        newArr.push(first15Num.substr(i, 1));
      }
      var arrJiShu = [];  //奇数位*2的积 <9
      var arrJiShu2 = []; //奇数位*2的积 >9
      var arrOuShu = [];  //偶数位数组
      for (var j = 0; j < newArr.length; j++) {
        if ((j + 1) % 2 == 1) {//奇数位
          if (parseInt(newArr[j]) * 2 < 9)
            arrJiShu.push(parseInt(newArr[j]) * 2);
          else
            arrJiShu2.push(parseInt(newArr[j]) * 2);
        }
        else //偶数位
          arrOuShu.push(newArr[j]);
      }
      var jishu_child1 = [];//奇数位*2 >9 的分割之后的数组个位数
      var jishu_child2 = [];//奇数位*2 >9 的分割之后的数组十位数
      for (var h = 0; h < arrJiShu2.length; h++) {
        jishu_child1.push(parseInt(arrJiShu2[h]) % 10);
        jishu_child2.push(parseInt(arrJiShu2[h]) / 10);
      }
      var sumJiShu = 0; //奇数位*2 < 9 的数组之和
      var sumOuShu = 0; //偶数位数组之和
      var sumJiShuChild1 = 0; //奇数位*2 >9 的分割之后的数组个位数之和
      var sumJiShuChild2 = 0; //奇数位*2 >9 的分割之后的数组十位数之和
      var sumTotal = 0;
      for (var m = 0; m < arrJiShu.length; m++) {
        sumJiShu = sumJiShu + parseInt(arrJiShu[m]);
      }

      for (var n = 0; n < arrOuShu.length; n++) {
        sumOuShu = sumOuShu + parseInt(arrOuShu[n]);
      }

      for (var p = 0; p < jishu_child1.length; p++) {
        sumJiShuChild1 = sumJiShuChild1 + parseInt(jishu_child1[p]);
        sumJiShuChild2 = sumJiShuChild2 + parseInt(jishu_child2[p]);
      }
      //计算总和
      sumTotal = parseInt(sumJiShu) + parseInt(sumOuShu) + parseInt(sumJiShuChild1) + parseInt(sumJiShuChild2);

      //计算Luhm值
      var k = parseInt(sumTotal) % 10 == 0 ? 10 : parseInt(sumTotal) % 10;
      var luhm = 10 - k;

      if (lastNum == luhm) {
        return true;
      }
      else {
        return false;
      }
    },
    //验证是否中文
    isCN: function (str) {
      var s = $.trim(str), reg = /^[u4e00-u9fa5]+$/;
      if (reg.test(s))return true;
      else return false;
    },
    //验证密码格式
    isPwd: function (str) {
      var reg = /^[A-Za-z0-9_-]+$/;
      if (reg.test(str))return true;
    },
    isCard: function (str) {
      /* var reg = /^d{17}[d|x]|d{15}$/;
       if(reg.test(str))return true;
       return false*/
      //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
      var reg = /(^d{15}$)|(^d{17}(d|X|x)$)/;
      if (reg.test(str.trim())) {
        return true;
      }

      return false;
    },
    /**
     * @description 清除脚本内容
     * @param s
     * @returns {String}
     */
    stripscript: function (s) {
      return s.replace(/<script.*?>.*?</script>/ig, '');
    },
    //设置cookie
    setCookie: function (cname, cvalue, exdays) {
      var data = {path: '/'};
      if (exdays) {
        data.expires = exdays;
      }
      $.cookie(cname, cvalue, data);
    },
    //清除cookie
    clearCookie: function (name) {
      this.setCookie(name, null, -1);
    },
    //获取cookie
    getCookie: function (cname) {
      return $.cookie(cname);
    },