Javascript 对象扩展积累

 

String.prototype.TrimEnd = function (c) {
        var str = this;
        var rg = new RegExp(c);
        var i = str.length;
        while (rg.test(str.charAt(--i)));
        return str.slice(0, i + 1);
    };

//过滤特殊字符  

String.prototype.filterSpecialChar = function () {var pattern = new RegExp("[`~!@@#$^&*()=\\-+|{}':;',\\[\\]\\.%<>/?~！#￥……&*（）—|{}【】‘；：”“'。，、？]");var rs = "";for (var i = 0; i < this.length; i++) {rs = rs + this.substr(i, 1).replace(pattern, '');} return rs;}; 

//eg."asdaisdias^&%&^$&$^#".filterSpecialChar() 

String.prototype.ToCharArray = function(){return this.split("");}

String.prototype.Reverse = function(){return this.split("").reverse().join("");}

String.prototype.IsContains = function(str) { return (this.indexOf(str) > -1); } /* include or not ?*/  

//格式化"aa{0},bb{1}".Format("1","2")
String.prototype.Format =function() { var args = arguments; returnthis.replace(/\{(\d+)\}/g, function(m, i, o, n) { return args[i]; }); };

//eg.alert('<a href="{clickurl}" target="_blank">{inner}</a>'.JsonFormat({clickurl:'http://www.baidu.com',inner:'baidu'}));

String.prototype.JsonFormat =function (config,reserve) {return this.replace(/\{([^}]*)\}/g,(typeof config=='object')?function (m,i) {var ret=config[i];return ret==null&&reserve?m:ret}:config); }; /*2010-1-3*/

String.prototype.ResetBlank = function(){return this.replace(/s+/g,"");}

String.prototype.LTrim = function(){return this.replace(/^s+/g, "");}

String.prototype.RTrim = function(){return this.replace(/s+$/g, "");}

String.prototype.Trim = function(){return this.replace(/(^\s*)|(\s*$)/g, ""); }

String.prototype.GetNum = function(){return this.replace(/[^d]/g, "");} /*num only*/

String.prototype.GetEn = function(){return this.replace(/[^A-Za-z]/g, ""); } /* english charctar only */

String.prototype.GetCn = function(){return this.replace(/[^\u4e00-\u9fa5\uf900-\ufa2d]/g, ""); } /* chinese charctar only */

String.prototype.ByteLength = function(){return this.replace(/[^\x00-\xff]/g, "aa").length; } /* get Byte Length */

String.prototype.Left = function(n){return this.slice(0, n);}

String.prototype.Right = function(n){return this.slice(this.length - n);}

String.prototype.Insert = function(index, str) { return this.substring(0, index) + str + this.substr(index);}

String.prototype.Copy = function(){if(IE) window.clipboardData.setData("text", this.toString()); }/* ie only */

String.prototype.HtmlEncode = function(){var i,e ={ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;' },t = this; for (i in e) t = t.replace(new RegExp(i, 'g'), e[i]);return t}

String.prototype.UrlEncode = function(){return encodeURIComponent(this); }

String.prototype.Unicode = function(){var tmpArr = []; for (var i = 0; i < this.length; i++) tmpArr.push("&#" + this.charCodeAt(i) + ";"); return tmpArr.join("");}

/*Validate*/

String.prototype.IsEmpty = function() { return this == ""; }

String.prototype.IsEmail = function(){return /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/.test(this);}

String.prototype.IsChinese = function(){return /^[\u0391-\uFFE5]+$/.test(this);}

String.prototype.IsQQ = function(){return /^[0-9]{5,9}$/.test(this);}

String.prototype.IsTel = function(){return /^(\(\d{3,4}\)|\d{3,4}-)?\d{7,8}$/.test(this);}

String.prototype.IsTelAll = function(){return /^(\(\d{3,4}\)|\d{3,4}-)?\d{7,8}$/.test(this) || /^\d{11}$/.test(this);} /* include cell phone */

String.prototype.IsNum = function() { return /^(\d+)$/.test(this); }

/*-- Array Class Extendtions --*/

Array.prototype.Add = function(itAdd) { var _index = this.indexOf(itAdd); if (_index < 0) {this.push(itAdd);}};

Array.prototype.Del = function(itDel) { var _index = this.indexOf(itDel); if (_index >= 0) { this.splice(_index, 1); }}; 

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Date.prototype.addSeconds = function(seconds) {
            this.setSeconds(this.getSeconds() + seconds);
            return this;
        };
Date.prototype.addMinutes = function(minutes) {
            this.setMinutes(this.getMinutes() + minutes);
            return this;
};

Date.prototype.addHours = function(hours) {
            this.setHours(this.getHours() + hours);
            return this;
};

Date.prototype.addDays = function(days) {
            this.setDate(this.getDate() + days);
            return this;
};

Date.prototype.addWeeks = function(weeks) {
            this.addDays(weeks*7);
            return this;
};

Date.prototype.addMonths = function (months) {
            var dt = this.getDate();

            this.setMonth(this.getMonth() + months);
            var currDt = this.getDate();

            if (dt !== currDt) {  
                this.addDays(-currDt);
            }

            return this;
};

Date.prototype.addYears = function(years) {
            var dt = this.getDate();

            this.setFullYear(this.getFullYear() + years);

            var currDt = this.getDate();

            if (dt !== currDt) {  
                this.addDays(-currDt);
            }

            return this;
};