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Response to preflight request doesn't pass access control check: Redirect is not allowed for a
vue中关于非简单请求跨域问题，跨域配置可如下： js devServer: { open: false, host: '127.0.0.1', port: 8080, proxy: { '/commonUrl': { target: `https://commonUrl`, //这里是重点，原本是http请求，后端写的是htt