React 下的 http-proxy-middleware 转发错误 - V2EX
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Gav1nw
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React 下的 http-proxy-middleware 转发错误

  •  
  •   Gav1nw 2023-03-15 16:50:59 +08:00 1453 次点击
    这是一个创建于 970 天前的主题,其中的信息可能已经有所发展或是发生改变。

    最近写了一个前后端分离的框架,因为涉及到多个 API 的调用,存在跨域的问题,所以使用了 http-proxy-middleware (以下称为 HPM )

    版本:

    1. React 18.2.0
    2. HPM 版本 2.0.6 npm 最新版本 使用 Typescript

    目标: "/map_services/v1/getVersion" -> "http://localhost:8810/v1/getVersion"

    问题: 1. /map_services 确实被代理了,但后端服务器显示请求的是"http://localhost:8810/map_services/v1/getVersion" 即 PathRewrite 并没有生效 2. 我发起的是 POST 请求,但后端服务器显示收到的是 GET 请求

    后端请求

    export const getVersion = async (): Promise<string> => { return await http("/map_services/v1/getVersion", { method: HTTP_METHODS.POST, data: {} }).then((response) => { if (response.data !== "") { return response.data; } return "null"; }) } const http = async (url: string, {data, headers, ...customConfig}: ICOnfig= {})=>{ 数据处理就不写了 return await window.fetch(url, config).then(async (res) => { let dataRes: IRemoteRespOnse= await res.json(); if (dataRes.info !== SUCCESS_FLAG) { return Promise.reject({message: "Bad Request!"}); } if (dataRes.info) { return dataRes; } else { return Promise.reject(dataRes); } }); } 

    setupProxy.js

     const {createProxyMiddleware} = require('http-proxy-middleware'); module.exports = function (app) { app.use( '/map_services', createProxyMiddleware({ target: 'http://localhost:8810', PathRewrite: { '^/map_services': '/' } }) ); } 
    4 条回复    2023-03-16 21:46:56 +08:00
    abelyao
        1
    abelyao  
       2023-03-15 17:01:19 +08:00
    试试 target: 'http://localhost:8810/'
    以 / 结尾,然后去掉 PathRewrite
    wzdsfl
        2
    wzdsfl  
       2023-03-15 17:03:37 +08:00
    我在项目里是这么设置的
    ```
    '/api/example': {
    target: 'http://example.com',
    changeOrigin: true,
    rewrite: (path) => path.replace(/^\/api\/example/, '')
    },
    ```
    7anshuai
        3
    7anshuai  
       2023-03-15 18:42:35 +08:00   1
    PathRewrite -> pathRewrite ,大小写问题?
    Gav1nw
        4
    Gav1nw  
    OP
       2023-03-16 21:46:56 +08:00
    看了一下真的是!!!太感谢了
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