/*
* 系统中JS的扩展函数
*
*
*/

// 清除两边的空格
String.prototype.trim = function() {
    return this.replace(/(^\s*)|(\s*$)/g, '');
};
// 合并多个空白为一个空白
String.prototype.ResetBlank = function() {
    var regEx = /\s+/g;
    return this.replace(regEx, ' ');
};

// 保留数字
String.prototype.GetNum = function() {
    var regEx = /[^\d]/g;
    return this.replace(regEx, '');
};

// 保留中文
String.prototype.GetCN = function() {
    var regEx = /[^\u4e00-\u9fa5\uf900-\ufa2d]/g;
    return this.replace(regEx, '');
};

// String转化为Number
String.prototype.ToInt = function() {
    return isNaN(parseInt(this)) ? this.toString() : parseInt(this);
};

// 得到字节长度
String.prototype.GetLen = function() {
    var regEx = /^[\u4e00-\u9fa5\uf900-\ufa2d]+$/;
    if (regEx.test(this)) {
        return this.length * 2;
    } else {
        var oMatches = this.match(/[\x00-\xff]/g);
        var oLength = this.length * 2 - oMatches.length;
        return oLength;
    }
};

// 获取文件全名
String.prototype.GetFileName = function() {
    var regEx = /^.*\/([^\/\?]*).*$/;
    return this.replace(regEx, '$1');
};

// 获取文件扩展名
String.prototype.GetExtensionName = function() {
    var regEx = /^.*\/[^\/]*(\.[^\.\?]*).*$/;
    return this.replace(regEx, '$1');
};

/******add By 刘景宁 2010-12-09 *******/
String.prototype.replaceAll = function(reallyDo, replaceWith, ignoreCase) {
    if (!RegExp.prototype.isPrototypeOf(reallyDo)) {
        return this.replace(new RegExp(reallyDo, (ignoreCase ? "gi" : "g")), replaceWith);
    } else {
        return this.replace(reallyDo, replaceWith);
    }
};
//格式化字符串 add By 刘景宁 2010-12-09 
String.Format = function() {
    if (arguments.length == 0) {
        return '';
    }

    if (arguments.length == 1) {
        return arguments[0];
    }

    var reg = /{(\d+)?}/g;
    var args = arguments;
    var result = arguments[0].replace(reg, function($0, $1) {
        return args[parseInt($1) + 1];
    });
    return result;
};

// 数字补零
Number.prototype.LenWithZero = function(oCount) {
    var strText = this.toString();
    while (strText.length < oCount) {
        strText = '0' + strText;
    }
    return strText;
};

// Unicode还原
Number.prototype.ChrW = function() {
    return String.fromCharCode(this);
};

// 数字数组由小到大排序
Array.prototype.Min2Max = function() {
    var oValue;
    for (var i = 0; i < this.length; i++) {
        for (var j = 0; j <= i; j++) {
            if (this[i] < this[j]) {
                oValue = this[i];
                this[i] = this[j];
                this[j] = oValue;
            }
        }
    }
    return this;
};

// 数字数组由大到小排序
Array.prototype.Max2Min = function() {
    var oValue;
    for (var i = 0; i < this.length; i++) {
        for (var j = 0; j <= i; j++) {
            if (this[i] > this[j]) {
                oValue = this[i];
                this[i] = this[j];
                this[j] = oValue;
            }
        }
    }
    return this;
};

// 获得数字数组中最大项
Array.prototype.GetMax = function() {
    var oValue = 0;
    for (var i = 0; i < this.length; i++) {
        if (this[i] > oValue) {
            oValue = this[i];
        }
    }
    return oValue;
};

// 获得数字数组中最小项
Array.prototype.GetMin = function() {
    var oValue = 0;
    for (var i = 0; i < this.length; i++) {
        if (this[i] < oValue) {
            oValue = this[i];
        }
    }
    return oValue;
};

// 获取当前时间的中文形式
Date.prototype.GetCNDate = function() {
    var oDateText = '';
    oDateText += this.getFullYear().LenWithZero(4) + new Number(24180).ChrW();
    oDateText += this.getMonth().LenWithZero(2) + new Number(26376).ChrW();
    oDateText += this.getDate().LenWithZero(2) + new Number(26085).ChrW();
    oDateText += this.getHours().LenWithZero(2) + new Number(26102).ChrW();
    oDateText += this.getMinutes().LenWithZero(2) + new Number(20998).ChrW();
    oDateText += this.getSeconds().LenWithZero(2) + new Number(31186).ChrW();
    oDateText += new Num