create-react-app设置代理

在src目录新建setupProxy.js文件

v1:

const proxy = require('http-proxy-middleware');

module.exports = function(app) {
  app.use(proxy('/api', { target: 'http://localhost:4000/',changeOrigin:true,
  pathRewrite:{
   "^/api":"/"
  }
  }));
};

v2:

    

        // const proxy = require("http-proxy-middleware");
    

    

        const { createProxyMiddleware } = require("http-proxy-middleware");
    

    

        module.exports = function (app) {
    

    


    

    

          app.use(
    

    

            "/api",
    

    

            createProxyMiddleware({
    

    

              target: "http://127.0.0.1:9000",
    

    

              changeOrigin: true,
    

    

            })
    

    

          );
    

    

        };