dart - 未发送 Flutter POST 请求正文

Question

我想用下面的代码在 Flutter 中发出一个 post 请求:

// Body: {"email": "example@email.com", "pass": "passw0rd"}

Future<dynamic> post(String url, var body) async {
  var response = await http.post(url, body: body);
  final String res = response.body;
  return res;
}

// That's not the full code. I removed some lines because they are useless for this thread.
// Most of them are only some debug outputs or conditional statements

问题是我的发帖请求没有包含请求的正文。我用服务器上的一些输出检查了这一点。

Answer 1

您只需在发送前对正文进行编码:

import 'dart:convert';
...

var bodyEncoded = json.encode(body);
var response = await http.post(url, body: bodyEncoded , headers: {
  "Content-Type": "application/json"
},);