/**
 * 缁欐棩鏈熷璞¤繘琛屾墿灞曪紝澧炲姞format鏂规硶
 * 
 * var time1 = new Date().format("yyyy-MM-dd hh:mm:ss");   
 *
 * var time2 = new Date().format("yyyy-MM-dd"); 
 * 
*/
Date.prototype.format = function(fmt)  { //author: meizz 
	var o = { 
	    "M+" : this.getMonth()+1,                 //鏈堜唤 
	    "d+" : this.getDate(),                    //鏃 
	    "h+" : this.getHours(),                   //灏忔椂 
	    "m+" : this.getMinutes(),                 //鍒 
	    "s+" : this.getSeconds(),                 //绉 
	    "q+" : Math.floor((this.getMonth()+3)/3), //瀛ｅ害 
	    "S"  : this.getMilliseconds()             //姣 
	}; 
	if(/(y+)/.test(fmt)) {
		fmt=fmt.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length));
	}
	for(var k in o) {
		if(new RegExp("("+ k +")").test(fmt)) {
			fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length)));
		}
	}
	return fmt; 
}

/**
 * 澧炲姞startWith鏂规硶
 */
String.prototype.startWith = function(str){  
    if( str == null || str == "" || this.length == 0 || str.length > this.length) {
    	return false; 
    }
    if(this.substr(0,str.length) == str) {
    	return true; 
    } else {
    	return false; 
    }
    return true;  
}  
/**
 * 澧炲姞endtWith鏂规硶
 */
String.prototype.endWith = function(str) {
    if(str == null || str=="" || this.length == 0 || str.length > this.length) {
    	return false;  
    }
    if(this.substring(this.length-str.length) == str) {
    	return true; 
    } else {
    	return false; 
    }
    return true;  
}


SimpleDateFormat = function (pattern,type)
{
    var reg = /[\-\/\.]/g;
    var dateFormat = new RegExp ("^[ymd]+" + reg.source + "[ymd]+" + reg.source + "[ymd]+$", "i");
    var yearFormat = new RegExp ("^[y]+", "i");
    var monthFormat = new RegExp("^[ym]+" + reg.source + "[ym]+$");
    if(type && (type == "year") && !yearFormat.test (pattern)){
        throw new Error ("the pattern paramters is not legal !");
    }else if(type && (type == "month") && !monthFormat.test (pattern)){
        throw new Error ("the pattern paramters is not legal !");
    }else if (type && (type == "date") && !dateFormat.test (pattern) )
    {
        throw new Error ("the pattern paramters is not legal !");
    }
    this.pattern = pattern;
    this.reg = reg;
    this.spliter = pattern.replace (/[ymd]/gi, '').substr (1);
};

SimpleDateFormat.prototype.format = function (date)
{
    if (!(date instanceof Date))
    {
        throw new Error ("the date paramter is not Date type.");
    }
    var spliter = this.spliter;
    var year = date.getFullYear();
    var month = date.getMonth();
    var day = date.getDate();
    return year + spliter + month + spliter + day;
};

SimpleDateFormat.prototype.parse = function (str,type)
{
    var pattern = this.pattern;
    var reg = new RegExp ("^" + pattern.replace (/[ymd]/gi, '\\d') + "$");
    if (!reg.test (str))
    {
        throw new Error ("the str paramter could not be pattered.");
    }
    var tempDate = str.split (this.spliter);
    if(type && type == "year"){
        return new Date (tempDate[0]);
    }
    if(type && type == "month"){
        return new Date (tempDate[0] , parseInt(tempDate[1]) -1);
    }
    return new Date (tempDate[0], parseInt(tempDate[1]) -1 , tempDate[2]);
};

/**
 * 瑙ｅ喅 JSON.stringify(Object) 灏咼son杞垚瀛楃涓诧紝涓嶅吋瀹归棶棰
 * 
*/

if (typeof JSON !== 'object') {
    JSON = {};
}

(function () {
    'use strict';
    function f(n) {
        return n < 10 ? '0' + n : n;
    }
    if (typeof Date.prototype.toJSON !== 'function') {
        Date.prototype.toJSON = function () {
            return isFinite(this.valueOf())
                ? this.getUTCFullYear()     + '-' +
                    f(this.getUTCMonth() + 1) + '-' +
                    f(this.getUTCDate())      + 'T' +
                    f(this.getUTCHours())     + ':' +
                    f(this.getUTCMinutes())   + ':' +
                    f(this.getUTCSeconds())   + 'Z'
                : null;
        };
        String.prototype.toJSON      =
            Number.prototype.toJSON  =
            Boolean.prototype.toJSON = function () {
                return this.valueOf();
            };
    }

    var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
        escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
        gap,
        indent,
        meta = {    
            '\b': '\\b',
            '\t': '\\t',
            '\n': '\\n',
            '\f': '\\f',
            '\r': '\\r',
            '"' : '\\"',
            '\\': '\\\\'
        },
        rep;

    function quote(string) {
        escapable.lastIndex = 0;
        return escapable.test(string) ? '"' + string.replace(escapable, function (a) {
            var c = meta[a];
            return typeof c === 'string'
                ? c
                : '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
        }) + '"' : '"' + string + '"';
    }

    function str(key, holder) {
        var i,          
            k,          
            v,          
            length,
            mind = gap,
            partial,
            value = holder[key];
        if (value && typeof value === 'object' &&
                typeof value.toJSON === 'function') {
            value = value.toJSON(key);
        }
        if (typeof rep === 'function') {
            value = rep.call(holder, key, value);
        }
        switch (typeof value) {
        case 'string':
            return quote(value);
        case 'number':
            return isFinite(value) ? String(value) : 'null';
        case 'boolean':
        case 'null':
            return String(value);
        case 'object':
            if (!value) {
                return 'null';
            }
            gap += indent;
            partial = [];
            if (Object.prototype.toString.apply(value) === '[object Array]') {
                length = value.length;
                for (i = 0; i < length; i += 1) {
                    partial[i] = str(i, value) || 'null';
                }
                v = partial.length === 0
                    ? '[]'
                    : gap
                    ? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']'
                    : '[' + partial.join(',') + ']';
                gap = mind;
                return v;
            }
            if (rep && typeof rep === 'object') {
                length = rep.length;
                for (i = 0; i < length; i += 1) {
                    if (typeof rep[i] === 'string') {
                        k = rep[i];
                        v = str(k, value);
                        if (v) {
                            partial.push(quote(k) + (gap ? ': ' : ':') + v);
                        }
                    }
                }
            } else {
                for (k in value) {
                    if (Object.prototype.hasOwnProperty.call(value, k)) {
                        v = str(k, value);
                        if (v) {
                            partial.push(quote(k) + (gap ? ': ' : ':') + v);
                        }
                    }
                }
            }
            v = partial.length === 0
                ? '{}'
                : gap
                ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}'
                : '{' + partial.join(',') + '}';
            gap = mind;
            return v;
        }
    }
    if (typeof JSON.stringify !== 'function') {
        JSON.stringify = function (value, replacer, space) {
            var i;
            gap = '';
            indent = '';
            if (typeof space === 'number') {
                for (i = 0; i < space; i += 1) {
                    indent += ' ';
                }

            } else if (typeof space === 'string') {
                indent = space;
            }
            rep = replacer;
            if (replacer && typeof replacer !== 'function' &&
                    (typeof replacer !== 'object' ||
                    typeof replacer.length !== 'number')) {
                throw new Error('JSON.stringify');
            }
            return str('', {'': value});
        };
    }
    if (typeof JSON.parse !== 'function') {
        JSON.parse = function (text, reviver) {
            var j;
            function walk(holder, key) {
                var k, v, value = holder[key];
                if (value && typeof value === 'object') {
                    for (k in value) {
                        if (Object.prototype.hasOwnProperty.call(value, k)) {
                            v = walk(value, k);
                            if (v !== undefined) {
                                value[k] = v;
                            } else {
                                delete value[k];
                            }
                        }
                    }
                }
                return reviver.call(holder, key, value);
            }
            text = String(text);
            cx.lastIndex = 0;
            if (cx.test(text)) {
                text = text.replace(cx, function (a) {
                    return '\\u' +
                        ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
                });
            }
            if (/^[\],:{}\s]*$/
                    .test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@')
                        .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']')
                        .replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
                j = eval('(' + text + ')');
                return typeof reviver === 'function'
                    ? walk({'': j}, '')
                    : j;
            }
            throw new SyntaxError('JSON.parse');
        };
    }
}());