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would dispatch back to the current handler URL [/student] again. Check your ViewResolver setup! (Hint: This may be the result of an unspecified view, due to default view name generation.)

意思:会再次分派回当前处理程序URL [/student]。检查你的视图解析器设置!(提示:这可能是一个未指定视图的结果,由于默认视图名称的生成。

错误代码:

@Controller
@RequestMapping("/student")
public class StudentController {

   @Autowired
   private StudentService studentService;
    @GetMapping
    public List<Student> findAll(){
        return studentService.findAll();
    }
    @DeleteMapping("/{id}")
    public boolean del(@PathVariable int id){
        boolean flas=true;
        if (flas){
            System.out.print("删除成功");

        }else {
            System.out.print("删除失败");
        }
        return flas;
    }
}

解决问题:

@Controller把这个注解改成@RestController

本文标签: handlerurldispatchCurrentViewResolver