报错信息:
Access to XMLHttpRequest at 'http://localhost:8182/cooperationRequest/getList' from origin 'http://localhost:3004' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
解决方法:
在项目根目录下新建vue.config.js文件
module.exports = { devServer: { proxy: { '/api': { target: 'http://127.0.0.1:8182/api/',// 后端接口 changeOrigin: true, // 是否跨域 pathRewrite: { '/api': '' } } } } }
- 39 Access Access-Control-Allow-Origin XMLHttpRequest requested39 access access-control-allow-origin xmlhttprequest access-control-allow-origin requested 39 resource access-control-allow-origin 39 contains multiple access-control-allow-origin access-control-allow-origin control access origin origin access-control-allow-origin same-origin origin access-control-allow-origin字段 头部 xmlhttprequest access问题to origin 39 xmlhttprequest supported 39 xmlhttprequest responsetext property