我在后端和使用 Node 以及尝试设置 $http POST 请求以将表单发送到 Express 方面经验不足。每次发出请求时,我的回调 data
都是 null
。也许我的 Express 路由配置不正确?我正在使用 Angular 与 Express/Node 通信以通过 nodemailer(我已经正确配置)发送电子邮件。
这是我的 $http
POST 请求:
客户端/服务/emailer/emailer.js
angular.module('public').factory('EmailerService',function($http) {
return {
postEmail: function(emailData, callback) {
console.log('call http with object', emailData);
$http({
method: 'POST',
url: 'http://my-website.com/server/routes/emailer',
data: emailData,
headers: { "Content-Type": "application/json" },
responseType: 'json'
}).success(function(data, status, headers, config) {
console.log('success', data, status);
}).error(function(data, status, headers, config) {
console.log('error', data, status);
}).catch(function(error){
console.log('catch', error);
});
}
};
});
这是我的服务器端 Express 配置:
服务器/路由/emailer.js
var express = require('express');
var router = express.Router();
var bodyParser = require('body-parser');
var logger = require('morgan');
var app = express();
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(logger('dev'));
app.post('/emailer', function(req,res) {
// NOTHING LOGS HERE
console.log(res, req, req.body, res.body);
});
module.exports = app;
这里没有任何日志记录到控制台,$http
请求的错误处理返回如下:
emailer.js:4 call http with Object {email: "asdf"}
angular.js:8632 OPTIONS http://matt-mcdaniel.com/server/routes/emailer net::ERR_CONNECTION_TIMED_OUT(anonymous function) @ angular.js:8632sendReq @ angular.js:8426$get.serverRequest @ angular.js:8146deferred.promise.then.wrappedCallback @ angular.js:11682deferred.promise.then.wrappedCallback @ angular.js:11682(anonymous function) @ angular.js:11768$get.Scope.$eval @ angular.js:12811$get.Scope.$digest @ angular.js:12623$get.Scope.$apply @ angular.js:12915(anonymous function) @ angular.js:19264jQuery.event.dispatch @ jquery.js:4676jQuery.event.add.elemData.handle @ jquery.js:4360
emailer.js:14 error null 0
emailer.js:16 catch Object {data: null, status: 0, headers: function, config: Object, statusText: ""}
为了更好地衡量,并且由于我是学习 Express 的新手,我将发布我的服务器端 app.js
。
服务器/app.js
var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var compression = require('compression');
var routes = require('./routes/index');
var contact = require('./routes/emailer');
var app = express();
// uncomment after placing your favicon in /public
//app.use(favicon(__dirname + '/public/favicon.ico'));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(compression());
app.use(require('connect-livereload')({
port: 35729,
ignore: ['.js']
}));
/** Development Settings */
if (app.get('env') === 'development') {
// This will change in production since we'll be using the dist folder
app.use(express.static(path.join(__dirname, '../client')));
// This covers serving up the index page
// app.use(express.static(path.join(__dirname, '../client/.tmp')));
// app.use(express.static(path.join(__dirname, '../client/public')));
// Error Handling
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: err
});
});
}
/**
* Production Settings
*/
if (app.get('env') === 'production') {
// changes it to use the optimized version for production
app.use(express.static(path.join(__dirname, '/dist')));
// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: {}
});
});
}
module.exports = app;
app.use(function(req, res) {
res.sendfile(__dirname + '/dist/index.html');
});
这是我的文件结构:
最佳答案
您的 emailer.js
路径肯定有问题。你应该只在那里有路由逻辑,你不应该重新创建你的快速应用程序。 Express 为您提供了一个 Router
对象来简化此操作。例如,您的 emailer.js
可能如下所示:
module.exports = express.Router()
.post('/emailer', function(req,res) {
console.log(res, req, req.body, res.body);
res.json({hello:'world'});
});
你可以像这样在 server/app.js
中映射这个路由:
var emailer = require('./routes/emailer');
// ...After all app.use statements, but *before* your error handlers
app.use('/server/routes', emailer);
关于angularjs - Angular $http POST 从 ExpressJS 获取空值,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/29932965/