我使用nodejs作为angular 5应用程序的后端。当我使用http post请求发布数据时,它会在nodejs中以错误的形式出现(值为属性) - 这是我的角度5的服务代码 -
login(email: string, password: string) {
let headers = new Headers({ 'Content-Type': 'application/x-www-form-urlencoded' });
let options = new RequestOptions({ headers: headers });
let body = { EmailAddress: email, Password: password };
return this.http.post('http://localhost:3000/api/user/login', body, options )
.map((response: Response) => {
let user = response.json();
if (user && user.token) {
localStorage.setItem('currentUser', JSON.stringify(user));
}
});
}
这是Node API - 在正文中我获得了作为属性的价值
app.post('/api/user/login', urlencodedBodyparser, function (req, res) {
console.log(req.body);
User.find({ "EmailAddress": req.body["EmailAddress"], "Password": req.body["Password"] }, function (err, users) {
console.log(users.length);
if (err != null) {
sendError(err, res);
}
if (users != null) {
var count = users.length;
if (count > 0) {
response.data = users[0];
res.json(response);
}
else {
sendError({ message :'No user found'}, res);
console.log("Login Failed");
}
}
else {
sendError(err, res);
}
})
});
正文解析器代码 -
var bodyParser = require(' body-parser');
var urlencodedBodyparser = bodyParser.urlencoded({extended:false});
app.use(urlencodedBodyparser);
答案 0 :(得分:2)
尝试将标题内容类型更改为json
像这样:应用/ JSON
options() {
const headers = new Headers({
'content-type': 'application/json'
});
const options = new RequestOptions({ headers: headers });
return options;
}
login(): Observable<any> {
return this.http.post('http://localhost:3000/api/user/login', this.options()).
map((res: Response) => res.json());
}
答案 1 :(得分:1)
您需要使用正文解析器中间件https://github.com/expressjs/body-parser
以下是更多信息What does body-parser do with express?
试着用这个:
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: false}));