//删除html内容
jquery.removehtml = function (s) {
    return (s) ? jquery("<p>").append(s).text() : "";
}
//调用:$.removehtml(str)

//时间格式化
date.prototype.format = function (format) {
    /*
    * 使用例子:format="yyyy-mm-dd hh:mm:ss";
    */
    var o = {
        "m+": this.getmonth() + 1, // month
        "d+": this.getdate(), // day
        "h+": this.gethours(), // hour
        "m+": this.getminutes(), // minute
        "s+": this.getseconds(), // second
        "q+": math.floor((this.getmonth() + 3) / 3), // quarter
        "s": this.getmilliseconds() // millisecond
    }
    if (/(y+)/.test(format)) {
        format = format.replace(regexp.$1, (this.getfullyear() + "").substr(4
        - regexp.$1.length));
    }
    for (var k in o) {
        if (new regexp("(" + k + ")").test(format)) {
            format = format.replace(regexp.$1, regexp.$1.length == 1
            ? o[k]
            : ("00" + o[k]).substr(("" + o[k]).length));
        }
    }
    return format;
}

//调用:var time = new date(str.replace("-", "/"));
//var b = 24 * 60; //分钟数
//time.setminutes(time.getminutes() + b, time.getseconds(), -1);
//time.format("yyyy-mm-dd");

//添加收藏
function addfavorite(surl, stitle) {
    try {
        window.external.addfavorite(surl, stitle);
    }
    catch (e) {
        try {
            window.sidebar.addpanel(stitle, surl, "");
        }
        catch (e) {
            alert("加入收藏失败，请使用ctrl+d进行添加");
        }
    }
}


//获取当前url参数
function getquerystring(name) {

    var reg = new regexp("(^|&)" + name + "=([^&]*)(&|$)");

    var r = window.location.search.substr(1).match(reg);

    if (r != null) return decodeuri(r[2]); return null;

}

//删除html后 截取字符串添加。。。
jquery.substr = function (con, len) {
    return $.removehtml(con).length > len ? $.removehtml(con).substr(0, len) + "..." : $.removehtml(con);
}

string.prototype.trim = function () {
    return this.replace(/(^\s*)|(\s*$)/g, '');
};
//去除字符串尾部空格或指定字符  
string.prototype.trimend = function(c)  
{  
    if(c==null||c=="")  
    {  
        var str= this;  
        var rg = /\s/;  
        var i = str.length;  
        while (rg.test(str.charat(--i)));  
        return str.slice(0, i + 1);  
    }  
    else  
    {  
        var str= this;  
        var rg = new regexp(c);  
        var i = str.length;  
        while (rg.test(str.charat(--i)));  
        return str.slice(0, i + 1);  
    }  
}  

//去除字符串头部空格或指定字符  
string.prototype.trimstart = function(c)  
{  
    if(c==null||c=="")  
    {  
        var str= this.replace(/^\s*/g, '');  
        return str;  
    }  
    else  
    {  
        var rg=new regexp("^"+c+"*");  
        var str= this.replace(rg, '');  
        return str;  
    }  
}

//字符串正则表达式验证
string.prototype.regval = function(strreg) {
    var reg = new regexp(strreg);
    if (!reg.test(this)) {
        return false;
    } else {
        return true;
    }
};

// string转化为number  
string.prototype.toint = function () {
    return isnan(parseint(this)) ? this.tostring() : parseint(this);
};

//格式化字符串
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;
};


string.format2 = function (src) {
    if (arguments.length == 0) return null;
    var args = array.prototype.slice.call(arguments, 1);
    return src.replace(/\{(\d+)\}/g, function (m, i) {
        return args[i];
    });
};

//var str = '这是一个测试的字符串：{0} {1}'.format3('hello', 'world')
string.prototype.format3 = function (args) {
    var result = this;
    if (arguments.length > 0) {
        if (arguments.length == 1 && typeof (args) == "object") {
            for (var key in args) {
                if (args[key] != undefined) {
                    var reg = new regexp("({" + key + "})", "g");
                    result = result.replace(reg, args[key]);
                }
            }
        }
        else {
            for (var i = 0; i < arguments.length; i++) {
                if (arguments[i] != undefined) {
                    var reg = new regexp("({)" + i + "(})", "g");
                    result = result.replace(reg, arguments[i]);
                }
            }
        }
    }
    return result;
}

//容量单位换算 输入b单位
function bytestosize(bytes) {

    if (bytes === 0) return '0 b';
    var k = 1024; // or 1024
    sizes = ['b', 'kb', 'mb', 'gb', 'tb', 'pb', 'eb', 'zb', 'yb'];
    var i = math.floor(math.log(bytes) / math.log(k));
    return (bytes / math.pow(k, i)).toprecision(3) + ' ' + sizes[i];

}


//生成指定位数的随机码
function generaterandcode(n) {
    var chars = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'];
    var res = "";
    for (var i = 0; i < n ; i++) {
        var id = math.ceil(math.random() * 35);
        res += chars[id];
    }
    return res;
}

$("a.post").click(function () {
    e.stoppropagation();
    e.preventdefault();
    var href = this.href;
    var parts = href.split('?');
    var url = parts[0];
    var params = parts[1].split('&');
    var pp = '';
    //for (var i = 0, n = params.length; i < n; i++) {
    //    pp = params[i].split('=');
    //    inputs += '<input type="hidden" name="' + pp[0] + '" value="' + pp[1] + '" />';
    //}
    //$("body").append('<form action="' + url + '" method="post" id="poster">' + inputs + '</form>');
    //$("#poster").submit();


    var jform = $('<form></form>');
    jform.attr('action', url);
    jform.attr('method', 'post');
    for (var i = 0, n = params.length; i < n; i++) {
        pp = params[i].split('=');
        var jinput = $("<input>");
        jinput.attr('name', pp[0]);
        jinput.attr('value', pp[1]);
        jform.append(jinput);
    }
    document.write(jform);
    jform.submit();

});