commit

安瑾然

2022-07-12 da52a1ba7e8fc2d8e633655484e7ff4abed319c8

commit

 src/main/java/com/example/jz/config/DefaultExceptionHandlerConfig.java

@@ -2,6 +2,7 @@

import com.example.jz.enums.BusinessHttpStatus;
import com.example.jz.exception.BusinessException;
import com.example.jz.modle.entity.R;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
@@ -19,21 +20,21 @@


    @ExceptionHandler(BindException.class)
    public ResponseEntity<String> bindExceptionHandler(BindException e) {
    public R<String> bindExceptionHandler(BindException e) {
        e.printStackTrace();
        return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(e.getBindingResult().getFieldErrors().get(0).getDefaultMessage());
        return R.failed(e.getBindingResult().getFieldErrors().get(0).getDefaultMessage());

    }

    @ExceptionHandler(MethodArgumentNotValidException.class)
    public ResponseEntity<String> methodArgumentNotValidExceptionHandler(MethodArgumentNotValidException e) {
    public R<String> methodArgumentNotValidExceptionHandler(MethodArgumentNotValidException e) {
        e.printStackTrace();
        return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(e.getBindingResult().getFieldErrors().get(0).getDefaultMessage());
        return R.failed(e.getBindingResult().getFieldErrors().get(0).getDefaultMessage());
    }

    @ExceptionHandler(BusinessException.class)
    public ResponseEntity<String> unauthorizedExceptionHandler(BusinessException e) {
    public R<String> unauthorizedExceptionHandler(BusinessException e) {
        e.printStackTrace();
        return ResponseEntity.status(e.getHttpStatusCode()).body(e.getMessage());
        return R.failed(e.getMessage());
    }
}

 src/main/java/com/example/jz/controller/AnnouncementController.java

@@ -2,11 +2,10 @@

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.api.ApiController;
import com.baomidou.mybatisplus.extension.api.R;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.example.jz.modle.entity.Announcement;
import com.example.jz.modle.entity.R;
import com.example.jz.service.AnnouncementService;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
@@ -36,8 +35,8 @@
     * @return 所有数据
     */
    @GetMapping
    public ResponseEntity<Page<Announcement>> selectAll(Page<Announcement> page, Announcement announcement) {
        return ResponseEntity.ok(this.announcementService.page(page, new QueryWrapper<>(announcement)));
    public R<Page<Announcement>> selectAll(Page<Announcement> page, Announcement announcement) {
        return R.ok(this.announcementService.page(page, new QueryWrapper<>(announcement)));
    }

    /**
@@ -48,7 +47,7 @@
     */
    @GetMapping("{id}")
    public R selectOne(@PathVariable Serializable id) {
        return success(this.announcementService.getById(id));
        return R.ok(this.announcementService.getById(id));
    }

    /**
@@ -59,7 +58,7 @@
     */
    @PostMapping
    public R insert(@RequestBody Announcement announcement) {
        return success(this.announcementService.save(announcement));
        return R.ok(this.announcementService.save(announcement));
    }

    /**
@@ -70,7 +69,7 @@
     */
    @PutMapping
    public R update(@RequestBody Announcement announcement) {
        return success(this.announcementService.updateById(announcement));
        return R.ok(this.announcementService.updateById(announcement));
    }

    /**
@@ -81,7 +80,7 @@
     */
    @DeleteMapping
    public R delete(@RequestParam("idList") List<Long> idList) {
        return success(this.announcementService.removeByIds(idList));
        return R.ok(this.announcementService.removeByIds(idList));
    }
}


 src/main/java/com/example/jz/enums/BusinessHttpStatus.java

@@ -3,7 +3,10 @@
public enum BusinessHttpStatus {

    // 未登录
    UNAUTHORIZED(401, "未授权");
    UNAUTHORIZED(401, "未登录"),
    BAD_EXCEPTION(10000, "系统异常"),
    // 成功
    SUCCESS(200, "成功");

    private final int value;


 src/main/java/com/example/jz/exception/BusinessException.java

@@ -3,7 +3,7 @@
import com.example.jz.enums.BusinessHttpStatus;
import org.springframework.http.HttpStatus;

public class BusinessException extends RuntimeException{
public class BusinessException extends RuntimeException {

    /**
     *
@@ -35,7 +35,7 @@

    public BusinessException(String msg) {
        super(msg);
        this.httpStatusCode = HttpStatus.BAD_REQUEST.value();
        this.httpStatusCode = BusinessHttpStatus.BAD_EXCEPTION.value();
    }



 src/main/java/com/example/jz/modle/entity/R.java

New file
@@ -0,0 +1,71 @@
package com.example.jz.modle.entity;

import com.example.jz.enums.BusinessHttpStatus;
import lombok.*;
import lombok.experimental.Accessors;

import java.io.Serializable;

/**
 * 响应信息主体
 *
 * @param <T>
 * @author lengleng
 */
@ToString
@NoArgsConstructor
@AllArgsConstructor
@Accessors(chain = true)
public class R<T> implements Serializable {

    private static final long serialVersionUID = 1L;

    @Getter
    @Setter
    private int code;

    @Getter
    @Setter
    private String msg;

    @Getter
    @Setter
    private T data;

    public static <T> R<T> ok() {
        return restResult(null, BusinessHttpStatus.SUCCESS.value(), null);
    }

    public static <T> R<T> ok(T data) {
        return restResult(data, BusinessHttpStatus.SUCCESS.value(), null);
    }

    public static <T> R<T> ok(T data, String msg) {
        return restResult(data, BusinessHttpStatus.SUCCESS.value(), msg);
    }

    public static <T> R<T> failed() {
        return restResult(null, BusinessHttpStatus.BAD_EXCEPTION.value(), null);
    }

    public static <T> R<T> failed(String msg) {
        return restResult(null,  BusinessHttpStatus.BAD_EXCEPTION.value(), msg);
    }

    public static <T> R<T> failed(T data) {
        return restResult(data,  BusinessHttpStatus.BAD_EXCEPTION.value(), null);
    }

    public static <T> R<T> failed(T data, String msg) {
        return restResult(data,  BusinessHttpStatus.BAD_EXCEPTION.value(), msg);
    }

    private static <T> R<T> restResult(T data, int code, String msg) {
        R<T> apiResult = new R<>();
        apiResult.setCode(code);
        apiResult.setData(data);
        apiResult.setMsg(msg);
        return apiResult;
    }

}