[GitHub] [servicecomb-java-chassis] zhangzc0419 commented on issue #905: 原有项目是springmvc改造成rest api的，swagger生成报错

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zhangzc0419 commented on issue #905: 原有项目是springmvc改造成rest api的，swagger生成报错
URL: https://github.com/apache/servicecomb-java-chassis/issues/905#issuecomment-485624886
 
 
   > 参数列表不支持HttpServletResponse，当前只支持HttpServletRequest，异常返回可以通过抛异常的方式
   > 
   > ```
   > throw new InvocationException(400, "Request Error", "An error!");
   > ```
   > 或者使用
   > 
   > ```
   >     @RequestMapping(value = "/test", produces = {"application/json"}, method = RequestMethod.GET)
   >     @ApiResponses({
   >             @ApiResponse(code = 500, message = "Internal error", response = User.class),
   >             @ApiResponse(code = 200, message = "normal", response = Test.class),
   >             @ApiResponse(code = 302, message = "normal")
   >     })
   >     public ResponseEntity<Object> getTest(@RequestParam(value = "name") String name) {
   >         if (name == null) {
   >             User u = new User();
   >             u.setName("test");
   >             return ResponseEntity.status(302)
   >                     .header("Location", "www.baidu.com")
   >                     .body(new InvocationException(Status.FOUND, ""));
   >         }
   >         Test test = new Test();
   >         test.setName("bb");
   >         ResponseEntity<Object> resp = ResponseEntity.ok(test);
   >         return resp;
   >     }
   > ```
   
   支持HttpServletRequest但不支持HttpServletResponse的原因是？

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