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首页 > 解决方案 > http-proxy-middleware 代理在 React js 和 Spring Boot 项目中不起作用。GET API 返回 415 状态错误

reactjs - http-proxy-middleware 代理在 React js 和 Spring Boot 项目中不起作用。GET API 返回 415 状态错误

问题描述

我正在使用http-proxy-middleware 中间件。Content-Type：应用程序/json 必须在使用邮递员执行时添加到 API 的标头中。我在 React 中添加了我的 API 的标头配置。

我认为该错误是由于我没有正确发送标头引起的。其实我不知道。请帮我。

谢谢

弹簧靴

电影控制器.java

@RestController
@RequestMapping("/movie")
public class MovieController {

    @Autowired
    private IMovieService movieService;

    @GetMapping(value = "/fetchAllMovieList", produces = MediaType.APPLICATION_JSON_VALUE, consumes = MediaType.APPLICATION_JSON_VALUE)
    public ResponseEntity<List<Movie>> fetchAllMovieList() {
        return new ResponseEntity<>(movieService.fetchAllMovieList(), HttpStatus.OK);
    }
}

反应

电影动作.js

import {API_BASE} from "../config/env";
import axios from 'axios';

const headers = {
    'Content-Type': 'application/json;charset=UTF-8',
    "Access-Control-Allow-Origin": "*",
    "Accept": "application/json"
}

export function fetchMovies() {
    return dispatch => {
        dispatch({
            type: "FETCH_MOVIES",
            payload: axios.get(`${API_BASE}/movie/fetchAllMovieList`, {
                headers: headers
            }).then(response => console.log("Action/moviesAction.js -> response -> ", response))
        })
    }
}

setupProxy.js

import {API_BASE} from "./env";
const createProxyMiddleware = require("http-proxy-middleware");

module.exports = function (app) {
    app.use(
        createProxyMiddleware("/movie/fetchAllMovieList",{
            target: `${API_BASE}`,
            changeOrigin: true
        })
    );
};

环境.js

export const API_BASE = "http://localhost:8080";

控制台中的结果

GET http://localhost:8080/movie/fetchAllMovieList 415
Uncaught (in promise) Error: Request failed with status code 415
    at createError (createError.js:16)
    at settle (settle.js:17)
    at XMLHttpRequest.handleLoad (xhr.js:62)

网络中的结果

{
  "timestamp": "2021-01-04T07:24:51.116+00:00",
  "status": 415,
  "error": "Unsupported Media Type",
  "message": "",
  "path": "/movie/fetchAllMovieList"
}

标签： reactjsspring-bootproxyhttp-proxy-middlewarehttp-status-code-415

解决方案

我更仔细地查看了代码，发现了许多错误。这是真的。

环境.js

module.exports = {
  API_BASE: "http://localhost:8000",
};

将此添加到 package.json

"proxy":"http://localhost:8000",

setupProxy.js

const { createProxyMiddleware } = require("http-proxy-middleware"); // import module
const { API_BASE } = require("./env");

module.exports = function (app) {
  app.use(
    "/movie/",
    createProxyMiddleware({
      target: API_BASE,
      changeOrigin: true,
    })
  );
};

电影动作.js

import axios from "axios";

const headers = {
  "Content-Type": "application/json;charset=UTF-8",
  "Access-Control-Allow-Origin": "*",
  Accept: "application/json",
};

export function fetchMovies() {
  console.log("action run...");
  return async (dispatch) => {
    console.log("async action run..");

    const response = await axios.get(`/movie/fetchAllMovieList`, {
      headers: headers,
    });

    console.log(response.data);

    dispatch({
      type: "FETCH_MOVIES",
      payload: response.data,
    });
  };
}

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