JS如何封装一些列方法为一个对象的操作，然后集中管理这些操作，方便修改和调用

var Api = {
    ajax:{
        // 添加项目 旧！
        add_project : function(pro_name, html, css, js,callback) {
            $.post("/action/project/add", {
                "v_code":User.v_code,
                "pro_name" : pro_name,
                "html" : html,
                "css" : css,
                "js" : js
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 添加代码 新！
        add_code : function(code_name, html, css, js,callback) {
            $.post("/action/code/add", {
                "v_code":User.v_code,
                "code_name" : code_name,
                "html" : html,
                "css" : css,
                "js" : js
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 保存当前代码 旧！
        update : function(id, html, css, js,sign,callback,force) {
            $.post("/action/project/update", {
                "v_code":User.v_code,
                "id" : id,
                "css" : css,
                "js" : js,
                "html" : html,
                "sign":sign,
                "force":force
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 保存当前代码 新！
        update_code : function(id, html, css, js,sign,callback,force) {
            $.post("/action/code/update", {
                "v_code":User.v_code,
                "id" : id,
                "css" : css,
                "js" : js,
                "html" : html,
                "sign":sign,
                "force":force
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 存为新版本
        new_version : function(id, html, css, js,callback) {
            $.post("/action/project/new_version", {
                "v_code":User.v_code,
                "id" : id,
                "css" : css,
                "js" : js,
                "html" : html
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // fork代码 旧！
        fork : function(pro_id, ver, pro_name,callback) {
            $.post("/action/project/fork", {
                "v_code":User.v_code,
                "pro_id" : pro_id,
                "ver" : ver,
                "pro_name" : pro_name
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // fork代码 新！
        fork_code : function(id, code_name,callback) {
            $.post("/action/code/fork", {
                "v_code":User.v_code,
                "id" : id,
                "code_name" : code_name
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 删除指定版本的代码
        delete_version : function(captcha,pro_id, ver,sign,callback,force) {
            $.post("/action/project/delete_version", {
                "captcha_":captcha,
                "v_code":User.v_code,
                "pro_id" : pro_id,
                "ver" : ver,
                "sign":sign,
                "force":force
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },

        /**
         * 删除代码，新!
         * 
         */
        delete_code:function(captcha,id,callback){
            $.post("/action/code/delete", {
                "captcha_":captcha,
                "v_code":User.v_code,
                "id" : id
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },

        // 删除项目
        delete_project : function(captcha,pro_id,callback) {
            $.post("/action/project/delete_project", {
                "captcha_":captcha,
                "v_code":User.v_code,
                "id" : pro_id
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 添加评论
        add_comment　: function(code_id, content,callback) {
            $.post("/action/project/add_comment", {
                "v_code":User.v_code,
                "id" : code_id,
                "content" : content
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 删除评论
        delete_comment : function(comment_id,callback) {
            $.post("/action/project/delete_comment", {
                "v_code":User.v_code,
                "id" : comment_id
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 投票，顶踩等
        vote : function (code_id, type,callback) {
            $.post("/action/project/vote", {
                "v_code":User.v_code,
                "id" : code_id,
                "type" : type
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },

        login : function (name,callback) {
            $.post("/action/ajax/login", {
                "username" : name
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 登出
        logout : function (callback) {
            $.post("/action/ajax/logout",'uid='+User.user, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 通过id获取代码
        getCode : function(id,callback) {
            $.post("/action/api/getCode", {
                "id" : id
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 项目重命名
        project_rename : function(id,name,callback){
            $.post("/action/project/rename", {
                "v_code":User.v_code,
                "pro_id" : id,
                "name":name
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 代码重命名 旧！
        code_rename : function(id,name,callback){
            $.post("/action/project/rename_code", {
                "v_code":User.v_code,
                "code_id" : id,
                "name":name
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 代码重命名 新！
        code_rename : function(id,name,callback){
            $.post("/action/code/rename", {
                "v_code":User.v_code,
                "id" : id,
                "name":name
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 用户设置项，主题等
        setting : function(name,value,callback){
            $.post("/action/api/setting", {
                "v_code":User.v_code,
                "name" : name,
                "value":value
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 发布代码 旧！
         */
        publish : function(id,description,callback){
            $.post("/action/project/post", {
                "v_code":User.v_code,
                "id" : id,
                "description":description
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 发布代码 新！
         */
        publish_code : function(id,description,callback){
            $.post("/action/code/post", {
                "v_code":User.v_code,
                "id" : id,
                "description":description
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 更新代码信息 旧！
        update_info : function(id,name,description,callback){
            $.post("/action/project/update_info", {
                "v_code":User.v_code,
                "id" : id,
                "name" : name,
                "description":description
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 更新代码信息 新！
        update_code_info : function(id,name,description,callback){
            $.post("/action/code/update_info", {
                "v_code":User.v_code,
                "id" : id,
                "name" : name,
                "description":description
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        
        // 收藏
        favor : function(code_id,callback){
            $.post("/action/project/favor", {
                "v_code":User.v_code,
                "id" : code_id
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        // 取消收藏
        un_favor : function(favor_id,callback){
            $.post("/action/project/un_favor", {
                "v_code":User.v_code,
                "id" : favor_id
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 添加url文件
         */
        add_url_file : function(url,callback){
            $.post("/action/file/add_url_file",{
                "v_code":User.v_code,
                "url":url
            },function(msg){
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 删除文件
         */
        delete_file : function(captcha,id,callback){
            $.post("/action/file/delete_file", {
                "captcha_":captcha,
                "v_code":User.v_code,
                "id" : id
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 添加建议
         */
        add_advice : function(captcha,ident,email,content,callback){
            $.post("/action/advice/add_advice",{
                "captcha_":captcha,
                "ident":ident,
                "email":email,
                "content":content
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 发送消息
         */
        send_msg:function(receiver,content,callback){
            $.post("/action/msg/sendMsg",{
                "receiver":receiver,
                "content":content
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 阅读消息
         */
        read_msg:function(id,callback){
            var params = '?';
            $.each(id,function(i,cur){
                params+="id="+cur;
                if(i<id.length-1){
                    params+="&";
                }
            });
            if(params=='?'){
                params+="id="+id;
            }
            $.post("/action/msg/readMsg"+params,params, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 阅读所有的未读消息
         */
        read_all_msg:function(type,callback){
            $.post("/action/msg/readAllMsg",{
                "v_code":User.v_code,
                "type":type,
            }, function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 将插件加到市场
         */
        add_to_market:function(id,callback){
            $.post("/action/plugin/add_to_market",{
                "id":id
            },function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 将代码更新到插件市场，id为code的id.
         */
        update_to_market:function(id,callback){
            $.post("/action/plugin/update_to_market",{
                "id":id
            },function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 从插件市场移出
         */
        delete_from_market:function(id,callback){
            $.post("/action/plugin/delete_from_market",{
                "id":id
            },function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 将代码设置为插件
         */
        set_plugin:function(id,sys,callback){
            $.post("/action/plugin/set_code_plugin",{
                "id":id,
                "sys":sys
            },function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 审核插件
         */
        check_plugin:function(id,callback){
            $.post("/action/plugin/check",{
                "id":id
            },function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 取消审核插件
         */
        uncheck_plugin:function(id,callback){
            $.post("/action/plugin/uncheck",{
                "id":id
            },function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 加到广场
         */
        add_to_square:function(id,callback){
            $.post("/action/square/add",{
                "id":id
            },function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 更新到广场
         */
        update_to_square:function(id,callback){
            $.post("/action/square/update",{
                "id":id
            },function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 添加分类
         */
        add_catalog:function(name,callback){
            $.post("/action/catalog/add",{
                "name":name
            },function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 分类重命名
         */
        rename_catalog:function(name,id,callback){
            $.post("/action/catalog/rename",{
                "name":name,
                "id":id
            },function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 删除分类，该分类必须没有代码
         */
        delete_catalog:function(id,callback){
            $.post("/action/catalog/delete",{
                "id":id
            },function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 移动到分类
         */
        move_to_catalog:function(code_id,catalog_id,callback){
            $.post("/action/catalog/move_to",{
                "id":code_id,
                "catalog":catalog_id
            },function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        /**
         * 设置代码类型
         */
        set_code_type:function(id,code_type,type,callback){
            $.post("/action/code/set_code_type",{
                "id":id,
                "code":code_type,
                "type":type
            },function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        },
        less_compile:function(less,callback){
            $.post("/action/ajax/less_compile",less,function(msg) {
                if(typeof callback != 'undefined')return callback(msg);
            });
        }
    }
};

这是一个例子，那么从例子中，我们可以学习到，如何封装一系列方法到一个对象中。

下面是如何调用已经封装好的方法，居然是如此的简练：

$(function() {
    if (typeof isIE6 != "undefined") {
        $(".logo").attr({
            "class" : "ie6_logo"
        })
    }
    $(window).bind("resize", function() {
        resize();
    })
    $(".comment").click(function() {
        $(".fork").attr("class", "nofocus fork");
        $(this).attr("class", "focus comment");
        $(".detail_comment").show();
        $(".detail_fork").hide();
    });
    $(".fork").click(function() {
        $(".comment").attr("class", "nofocus comment");
        $(this).attr("class", "focus fork");
        $(".detail_comment").hide();
        $(".detail_fork").show();
    });
    $("#logout").click(function() {
        logout();
    });
    $(".prelogin").click(function() {
        new $.Zebra_Dialog($("#user_login").html(), {
            'title' : '登录方式',
            'modal' : true,
            'width' : 460,
            'type' : false,
            'buttons' : [ {
                caption : '取消'
            } ]
        }).show();
        /*
         * var url; //转向网页的地址; var name; //网页名称，可为空; var iWidth; //弹出窗口的宽度; var
         * iHeight; //弹出窗口的高度; var iTop =
         * (window.screen.availHeight-30-iHeight)/2; //获得窗口的垂直位置; var iLeft =
         * (window.screen.availWidth-10-iWidth)/2; //获得窗口的水平位置;
         * window.open(url,name,'height='+iHeight+',,innerHeight='+iHeight+',width='+iWidth+',innerWidth='+iWidth+',top='+iTop+',left='+iLeft+',toolbar=no,menubar=no,scrollbars=auto,resizeable=no,location=no,status=no');
         */
    });
    resize();
    $("button.detail_comment_button").click(function() {
        addComment();
    });
    $("textarea[name='content']").keydown(function(event) {
        if (event.ctrlKey && event.keyCode == 13) {
            addComment();
        }
    });
    $("#view_scale").change(function() {
        var sc = $(this).val();
        var w = '100%';
        var h = '100%';
        var t = 'scale(1)';
        if (sc == '0.5') {
            w = '200%';
            h = '200%';
            t = 'scale(0.5)';
        } else if (sc == '2') {
            t = 'scale(2)';
        }
        $("#code_detail").css({
            'width' : w,
            'height' : h,
            '-webkit-transform' : t,
            'transform' : t
        });
    });
    $("#show_gist").mouseenter(function(){
        show_gist();
    });
});

var resize = function() {
    var width = $(window).width();
    var cw = $(".comment").width();
    var w = width;
    if (w < 1000)
        w = 1000;
    w = w - 300 - 60;
    $(".detail_mainContent_left,.detail_comment_input textarea")
            .css("width", w);
    $(".detail_wrapper").css("width", width < 1000 ? 960 : width - 40);
    $(".fork").css("width", w - cw - 43);
}
function logout() {
    Api.ajax.logout(function(msg) {
        location.href = RURL;
    });
}
function login(op) {
    var url = "http://runjs.cn/action/openid/before_login?op=" + op; // 转向网页的地址;
    var name = "用" + op + "登录RunJS"; // 网页名称，可为空;
    var iWidth = 800; // 弹出窗口的宽度;
    var iHeight = 600; // 弹出窗口的高度;
    var iTop = (window.screen.availHeight - 30 - iHeight) / 2; // 获得窗口的垂直位置;
    var iLeft = (window.screen.availWidth - 10 - iWidth) / 2; // 获得窗口的水平位置;
    window
            .open(
                    url,
                    name,
                    'height='
                            + iHeight
                            + ',,innerHeight='
                            + iHeight
                            + ',width='
                            + iWidth
                            + ',innerWidth='
                            + iWidth
                            + ',top='
                            + iTop
                            + ',left='
                            + iLeft
                            + ',toolbar=no,menubar=no,scrollbars=auto,resizeable=no,location=no,status=no');
}
function addComment() {
    var ctn = $("textarea[name='content']");
    var content = ctn.val();
    if (content.length == 0 || content == "觉得怎么样？赶紧说几句"){
        alert("请输入评论内容");
        return;
    }
    Api.ajax
            .add_comment(
                    Code.id,
                    content,
                    function(msg) {
                        var msg = eval("(" + msg + ")");
                        if (msg.error) {
                            alert(msg.msg);
                            return false;
                        }
                        var comment = $('<li id="comment_'
                                + msg.id
                                + '">'
                                + '<img src="'
                                + User.portrait
                                + '" width="48" height="48">'
                                + '<p><a href="'
                                + (typeof User.space == "undefined" ? 'javascript:void(0);'
                                        : User.space)
                                + '">'
                                + User.name
                                + '</a><span class="time">1分钟前</span><span class="delete"><a href="javascript:removeComment('
                                + msg.id + ');">删除</a></span></p>' + '<p>'
                                + msg.content + '</p>' + '</li>');
                        comment.hide();
                        $(".detail_comment_list").prepend(comment);
                        comment.show(500);
                        $(".zeroComment").remove();
                        ctn.val("");
                    });
}
function removeComment(id) {
    if (confirm("确认删除此条评论？")) {
        Api.ajax
                .delete_comment(
                        id,
                        function(msg) {
                            var msg = eval("(" + msg + ")");
                            if (msg.error) {
                                alert(msg.msg);
                                return false;
                            }
                            $("#comment_" + id)
                                    .hide(
                                            500,
                                            function() {
                                                $(this).remove();
                                                if ($(".detail_comment_list li").length == 0) {
                                                    $(".detail_comment_list")
                                                            .prepend(
                                                                    '<li class="zeroComment" style="text-align:center;">还没有人评论哦，赶紧抢个沙发吧~~</li>');
                                                }
                                            });
                        });
    }
}

function viewAll(t) {
    $(".detail_otherProject li").show();
    $("#view_all_li").remove();
}
function add_to_square(id) {
    Api.ajax.add_to_square(id, function(msg) {
        var msg = eval("(" + msg + ")");
        if (msg.error) {
            alert(msg.msg);
            return false;
        } else {
            alert("添加成功");
            location.reload();
        }
    });
}
function update_to_square(id) {
    Api.ajax.update_to_square(id, function(msg) {
        var msg = eval("(" + msg + ")");
        if (msg.error) {
            alert(msg.msg);
            return false;
        } else {
            alert("更新成功");
            location.reload();
        }
    });
}

function delete_from_square(id) {
    $.post("/action/square/delete", {
        "id" : id
    }, function(msg) {
        var msg = eval("(" + msg + ")");
        if (msg.error) {
            alert(msg.msg);
            return false;
        } else {
            alert("去除成功");
            location.reload();
        }
    });
}
function love(id) {
    Api.ajax.vote(id, 1, function(m) {
        m = eval("(" + m + ")");
        if (m.error) {
            alert(m.msg);
        } else {
            var ar = $(".detail_interactArea_like a");
            ar.css({
                'background-image' : 'url(../img/liked.gif)'
            });
            ar.attr("href", "javascript:void(0);");
            love_count++;
            ar.html("已喜欢<span>（" + love_count + "）</span>");
        }
    });
}
function show_gist(){
    $("#gist_span").show();
    $("#gist_input").focus().select();
}