我正在使用'express-namespace'來對我的路由進行分類。 這是我的代碼。「undefined不是函數」in nodejs/expressjs
..
9 var controllers = require('./controllers');
10 require('express-namespace');
..
46
47 app.namespace('/json', function(){
48 app.post('/', function(req, res, next){
49 res.header('Content-Type', 'application/json');
50 next();
51 });
52 /**
53 * Map the controller objects and its actions
54 * to the corresponding URL in lower case
55 */
56 for(var controller in controllers){
57 app.namespace('/' + controller.toLowerCase(), function(){
58 controller = controllers[controller];
59 for(var action in controller){
60 app.post('/' + action.toLowerCase(), function(req,res){
61 action = controller[action];
62 action(req, function(result){
63 res.send(result);
64 });
65 });
66 }
67 });
68 }
69 });
這裏是我./controllers.js代碼:
...
4 var Users = {
5 };
6
7 Users.create = function(req, result){
...
22 }
23
24 exports.Users = Users;
25
我的觀點是將我的控制器代碼到一個單一的.js文件和 我所有的控制器映射爲相應的小寫所以我的應用程序的網址是 非常整潔。
這對每次運行'node app.js'時的第一次POST都是相當不錯的。 如果我張貼到URL第二次,以下異常 發生:
TypeError: undefined is not a function
at CALL_NON_FUNCTION (native)
at /home/carl/source/node/funner/app.js:62:21
at callbacks (/usr/local/lib/node/.npm/express/2.4.6/package/lib/router/index.js:272:11)
at param (/usr/local/lib/node/.npm/express/2.4.6/package/lib/router/index.js:246:11)
at pass (/usr/local/lib/node/.npm/express/2.4.6/package/lib/router/index.js:253:5)
at Router._dispatch (/usr/local/lib/node/.npm/express/2.4.6/package/lib/router/index.js:280:4)
at Object.handle (/usr/local/lib/node/.npm/express/2.4.6/package/lib/router/index.js:45:10)
at next (/usr/local/lib/node/.npm/connect/1.7.0/package/lib/http.js:201:15)
at /usr/local/lib/node/.npm/connect/1.7.0/package/lib/middleware/session.js:323:9
at /usr/local/lib/node/.npm/connect/1.7.0/package/lib/middleware/session.js:342:9
誰能給我一個提示嗎?