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在springboot中springmvc出現(xiàn)拋出全局異常如何解決?很多新手對此不是很清楚,為了幫助大家解決這個(gè)難題,下面小編將為大家詳細(xì)講解,有這方面需求的人可以來學(xué)習(xí)下,希望你能有所收獲。
springboot中拋出異常,springboot自帶的是springmvc框架,這個(gè)就不多說了。
springmvc統(tǒng)一異常解決方法這里要說明的是。只是結(jié)合了springboot的使用而已。直接上代碼,有效有用的才是ok。
1.定義異常捕獲
package com.example.rest.error; import org.springframework.http.HttpStatus; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.ResponseStatus; import org.springframework.web.bind.annotation.RestControllerAdvice; import org.springframework.web.servlet.NoHandlerFoundException; import javax.validation.ConstraintViolationException; /** * * @author ming 定義全局異常處理 * @RestControllerAdvice 是@controlleradvice 與@ResponseBody 的組合注解 */ @RestControllerAdvice public class GlobalControllerExceptionHandler { @ExceptionHandler(value = { ConstraintViolationException.class }) @ResponseStatus(HttpStatus.BAD_REQUEST) public ApiErrorResponse constraintViolationException(ConstraintViolationException ex) { return new ApiErrorResponse(500, 5001, ex.getMessage()); } @ExceptionHandler(value = { IllegalArgumentException.class }) @ResponseStatus(HttpStatus.BAD_REQUEST) public ApiErrorResponse IllegalArgumentException(IllegalArgumentException ex) { return new ApiErrorResponse(501, 5002, ex.getMessage()); } @ExceptionHandler(value = { NoHandlerFoundException.class }) @ResponseStatus(HttpStatus.NOT_FOUND) public ApiErrorResponse noHandlerFoundException(Exception ex) { return new ApiErrorResponse(404, 4041, ex.getMessage()); } @ExceptionHandler(value = { Exception.class }) @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR) public ApiErrorResponse unknownException(Exception ex) { return new ApiErrorResponse(500, 5002, ex.getMessage()); } }
2.定義一個(gè)返回對象
package com.example.rest.error; /** * @author ming */ public class ApiErrorResponse { private int status; private int code; private String message; public ApiErrorResponse(int status, int code, String message) { this.status = status; this.code = code; this.message = message; } public int getStatus() { return status; } public int getCode() { return code; } public String getMessage() { return message; } @Override public String toString() { return "ApiErrorResponse{" + "status=" + status + ", code=" + code + ", message=" + message + '}'; } }
3.定義一個(gè)啟動(dòng)Application
package com.example; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.web.servlet.config.annotation.EnableWebMvc; @SpringBootApplication @EnableWebMvc public class SpringBootExceptionHandlingApplication { public static void main(String[] args) { SpringApplication.run(SpringBootExceptionHandlingApplication.class, args); } }
4.最后一個(gè)測試類
package com.example.rest.controller; import org.springframework.http.MediaType; import org.springframework.util.Assert; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import javax.validation.ConstraintViolationException; import java.util.Collections; /** * @author ming */ @RestController public class TestController { @GetMapping(value = "/test", produces = MediaType.APPLICATION_JSON_VALUE) public void test(Long id) { Assert.notNull(id,"id不能為空!"); throw new ConstraintViolationException("error", Collections.emptySet()); } }
注意application.properties這個(gè)文件的配置
spring.mvc.throw-exception-if-no-handler-found=true
ok,springboot中解決springmvc異常拋出就可以這樣解決了。
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