跨域问题:

我的解决:

1)如果使用谷歌浏览器,右键谷歌浏览器选择属性,添加一些不安全或者个人配置

"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --disable-web-security --user-data-dir=C:\MyChromeDevData

origin ‘http://localhost:8080‘ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin‘

 

2)后端controller加入注解

origin ‘http://localhost:8080‘ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin‘

还有其他方法,没试过 

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