[JavaScript知识库] 前后端分离vue跨域,devServer配置proxy代理 post请求无法接收json格式参数报错400, Could not proxy request... ECONNRESET | 您所在的位置:网站首页 › proxy error could not proxy › [JavaScript知识库] 前后端分离vue跨域,devServer配置proxy代理 post请求无法接收json格式参数报错400, Could not proxy request... ECONNRESET |
1. 问题描述 先说下问题,项目后端是微型Python框架flask,前端是vue-element, 本地开发我配置的是proxy代理,代码如下: devServer: { port: port, open: true, overlay: { warnings: false, errors: true }, before: require('./mock/mock-server.js'), proxy: { // 本地使用代理 线上使用nginx '/dev-api/api/': { target: `http://192.168.1.171:5100`, changeOrigin: true, pathRewrite: { '/dev-api/api/': '/api/' } } } },下面post请求接口:
Proxy error: Could not proxy request /api// from localhost:9525 to http://... (ECONNRESET) 2. 解决办法: 修改vue.config.js文件,改动代码如下: devServer: { host: 'localhost', port: port, overlay: { warnings: false, errors: true }, before: require('./mock/mock-server.js'), proxy: { // 本地使用代理 线上使用nginx '/dev-api/api': { target: `http://192.168.1.171:5100`, changeOrigin: true, onProxyReq:function (proxyReq, req, res, options) { if (req.body) { let bodyData = JSON.stringify(req.body); // incase if content-type is application/x-www-form-urlencoded -> we need to change to application/json proxyReq.setHeader('Content-Type','application/json'); proxyReq.setHeader('Content-Length', Buffer.byteLength(bodyData)); // stream the content proxyReq.write(bodyData); } }, pathRewrite: { '^/dev-api/api': '/api' } } } },再次请求,成功~~ 参考博客:nodejs中http-proxy使用小结 |
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