Java解决跨域的方案

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2022-07-27

   在后台加上,在数据返回之前添加

response.setHeader("Access-Control-Allow-Origin","*");

   就可以了,前台不用做任何处理!!!

   完整案例如下:

@RequestMapping("xxx")
@ResponseBody
public Today xxx(@PathVariable Integer id,HttpServletRequest request,HttpServletResponse response ){
request.setAttribute("xxx", xxx);
response.setHeader("Access-Control-Allow-Origin","*");
return xxx;
}

  



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