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cross-origin request blocked / ajax 返回的HTTP状态码 status 为0
调试的时候可以这样处理:
@RequestMapping("/img")
@RestController
public class ImgController {
@GetMapping
public Object getImgList(HttpServletResponse response) {
String ret = "";
response.addHeader("Access-Control-Allow-Origin", "*");
return ret.toString();
}
}
具体参看: