No ‘Access-Control-Allow-Origin‘ header is present on the requested resource. Origin
参考https://blog.csdn.net/zhoucheng05_13/article/details/53580683
一、服务器端解决
???@ResponseBody ???@GetMapping("/userSource.json") ???public Object userSource(String search,HttpServletResponse response) { ???????System.out.println(search); ???????response.setHeader("Access-Control-Allow-Origin", "*"); ???????return getUserSourceService().findAll(); ???}一、Ajax跨域访问
原文地址：https://www.cnblogs.com/black-/p/8969008.html