常用JS工具包 

  1 /***********
  2 *时间辅助类
  3 ***********/
  4 var DateHelper = {
  5     //得到两个时间的差值（天数）
  6     DateDiff: function (startDate, endDate) {
  7         var strSeparator = "-"; //日期分隔符
  8         var oDate1;
  9         var oDate2;
 10         var iDays;
 11         oDate1 = startDate.split(strSeparator);
 12         oDate2 = endDate.split(strSeparator);
 13         var strDateS = new Date(oDate1[0], oDate1[1] - 1, oDate1[2]);
 14         var strDateE = new Date(oDate2[0], oDate2[1] - 1, oDate2[2]);
 15         iDays = parseInt(Math.abs(strDateS - strDateE) / 1000 / 60 / 60 / 24)//把相差的毫秒数转换为天数
 16         return iDays;
 17     },
 18     //比较时间大小
 19     DateCompare: function (startDate, endDate) {
 20         var result = false;
 21         if (new Date(endDate) > new Date(startDate)) {
 22             result = true;
 23         }
 24         return result;
 25     }
 26 };
 27 /***********
 28 *常用验证类
 29 ***********/
 30 var Validator = {
 31     // 中文
 32     isChinese: function (s) {
 33         var p = /^[\u4e00-\u9fa5]+$/;
 34         return this.test(s, p);
 35     },
 36     // 英文
 37     isEnglish: function (s) {
 38         var p = /^[A-Za-z]+$/;
 39         return this.test(s, p);
 40     },
 41     // 邮箱
 42     isEmail: function (s) {
 43         var p = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
 44         return this.test(s, p);
 45     },
 46 
 47 
 48     // 手机号码
 49     isMobile: function (s) {
 50         return this.test(s, /(\d{11})|^((\d{7,8})|(\d{4}|\d{3})-(\d{7,8})|(\d{4}|\d{3})-(\d{3,8})-(\d{4}|\d{3}|\d{2}|\d{1})|(\d{7,8})-(\d{4}|\d{3}|\d{2}|\d{1}))$/);
 51     },
 52     // 电话号码
 53     isPhone: function (s) {
 54         return this.test(s, /^[0-9]{3,4}\-[0-9]{7,8}$/);
 55     },
 56     // 邮编
 57     isPostCode: function (s) {
 58         return this.test(s, /^[1-9][0-9]{5}$/);
 59     },
 60     // 数字
 61     isNumber: function (s, d) {
 62         return !isNaN(s.nodeType == 1 ? s.value : s) && (!d || !this.test(s, '^-?[0-9]*\\.[0-9]*$'));
 63     },
 64     // 判断是否为空
 65     isEmpty: function (s) {
 66         return jQuery.isEmptyObject(s) || (s == "" ? true : false);
 67     },
 68     //判断是否是图片
 69     isImage: function (s) {
 70         return this.test(s, /\.(gif|jpg|jpeg|png|GIF|JPG|PNG)$/);
 71     },
 72     // 正则匹配
 73     test: function (s, p) {
 74         s = s.nodeType == 1 ? s.value : s;
 75         return new RegExp(p).test(s);
 76     }
 77 };
 78 
 79 //去除字符串头尾空格或指定字符  
 80 String.prototype.Trim = function (c) {
 81     if (c == null || c == "") {
 82         var str = this.replace(/^s*/, '');
 83         var rg = /s/;
 84         var i = str.length;
 85         while (rg.test(str.charAt(--i)));
 86         return str.slice(0, i + 1);
 87     }
 88     else {
 89         var rg = new RegExp("^" + c + "*");
 90         var str = this.replace(rg, '');
 91         rg = new RegExp(c);
 92         var i = str.length;
 93         while (rg.test(str.charAt(--i)));
 94         return str.slice(0, i + 1);
 95     }
 96 }
 97 
 98 //去除字符串头部空格或指定字符  
 99 String.prototype.TrimStart = function (c) {
100     if (c == null || c == "") {
101         var str = this.replace(/^s*/, '');
102         return str;
103     }
104     else {
105         var rg = new RegExp("^" + c + "*");
106         var str = this.replace(rg, '');
107         return str;
108     }
109 }
110 
111 //去除字符串尾部空格或指定字符  
112 String.prototype.trimEnd = function (c) {
113     if (c == null || c == "") {
114         var str = this;
115         var rg = /s/;
116         var i = str.length;
117         while (rg.test(str.charAt(--i)));
118         return str.slice(0, i + 1);
119     }
120     else {
121         var str = this;
122         var rg = new RegExp(c);
123         var i = str.length;
124         while (rg.test(str.charAt(--i)));
125         return str.slice(0, i + 1);
126     }
127 }

//修改字符长度，超过者以...代替
String.prototype.FixedLenth = function (lenth, ext) {
    var str = this;

    if (length == null || length == "") {
        length = 10;
    }

    if (ext == null || ext == "") {
        ext = "..";
    }

    if (str.length > length) {
        str = str.substring(0, 10) + ext;
    }

    return str;
}

 

平时常用的工具类，会持续维护此工具类

posted @ 2017-03-22 21:16  Rich.W  阅读(762)  评论(0)  编辑  收藏  举报