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,
	

	

		    })
	

	

		  );
	

	

		};
	

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