6. mapper層
如果不了解，可以建議去看看mybatis-plus官方文檔
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.jgsu.entity.User;
import org.springframework.stereotype.Repository;
@Repository
public interface UserMapper extends BaseMapper {
}
7.controller層
import com.jgsu.entity.User;
import com.jgsu.service.UserService;
import com.jgsu.utils.CommonResult;
import com.jgsu.utils.ResultCode;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping("/user")
public class UserController {
@Autowired
UserService userService;
// 注冊，基于restful風(fēng)格
@GetMapping("/register/{username}/{password}")
public CommonResult register(@PathVariable("username") String username,@PathVariable("password") String password){
User user = userService.userRegister(username, password);
if (user != null){
return CommonResult.success(ResultCode.SUCCESS);
}else {
return CommonResult.failed(ResultCode.FAILED);
}
}
// 登錄，基于restful風(fēng)格
@GetMapping("/login/{username}/{password}")
public CommonResult login(@PathVariable("username") String username,@PathVariable("password") String password) {
User userLogin = userService.userLogin(username,password);
if (userLogin != null) {
return CommonResult.success(ResultCode.SUCCESS);
} else {
return CommonResult.failed(ResultCode.USERNAME_OR_PASSWORD_ERROR);
}
}
}8.配置類(返回json數(shù)據(jù)的類)
封裝錯(cuò)誤碼的接口
public interface IErrorCode {
long getState();
String getMessage();
}枚舉了一些常用API操作碼
public enum ResultCode implements IErrorCode {
/**
* 成功
*/
SUCCESS(200, "ok"),
/**
* 失敗
*/
FAILED(500, "server error"),
/**
* 驗(yàn)證過期
*/
VALIDATE_FAILED(404, "undefined"),
/**
* 未登錄
*/
UNAUTHORIZED(401, "未登錄"),
/**
* 用戶名或密碼錯(cuò)誤
*/
USERNAME_OR_PASSWORD_ERROR(405, "用戶名或密碼錯(cuò)誤"),
/**
* 數(shù)據(jù)查詢錯(cuò)誤
*/
DATA_Not_Exist_ERROR(603, "數(shù)據(jù)不存在"),
/**
* 數(shù)據(jù)添加出現(xiàn)問題
*/
DATA_ADD_ERROR(604, "數(shù)據(jù)添加異常"),
/**
* 文件
*/
FILE_ERROR(605, "上傳文件出現(xiàn)錯(cuò)誤"),
/**
* 數(shù)據(jù)查詢出現(xiàn)問題
*/
IMAGE_ERROR(606, "圖片處理出現(xiàn)錯(cuò)誤"),
/**
* 權(quán)限不夠
*/
FORBIDDEN(403, "forbidden");
private long state;
private String stateInfo;
ResultCode(long state, String stateInfo) {
this.state = state;
this.stateInfo = stateInfo;
}
@Override
public long getState() {
return state;
}
@Override
public String getMessage() {
return stateInfo;
}
}通用返回對象
public class CommonResult {
private long state;
private String stateInfo;
private T data;
public CommonResult() {
}
public CommonResult(long state, String stateInfo, T data) {
this.state = state;
this.stateInfo = stateInfo;
this.data = data;
}
public CommonResult(long state, String stateInfo) {
this.state = state;
this.stateInfo = stateInfo;
}
/**
* 成功返回結(jié)果
*
* @param data 獲取的數(shù)據(jù)
*/
public static CommonResult success(T data) {
return new CommonResult(ResultCode.SUCCESS.getState(), ResultCode.SUCCESS.getMessage(), data);
}
/**
* 成功返回結(jié)果
* @param data 獲取的數(shù)據(jù)
* @param message 提示信息
* @return
*/
public static CommonResult success(T data, String message) {
return new CommonResult(ResultCode.SUCCESS.getState(), message, data);
}
/**
* 失敗返回結(jié)果
* @param errorCode 錯(cuò)誤碼
*/
public static CommonResult failed(IErrorCode errorCode) {
return new CommonResult(errorCode.getState(), errorCode.getMessage(), null);
}
/**
* 失敗返回結(jié)果
* @param message 提示信息
*/
public static CommonResult failed(String message) {
return new CommonResult(ResultCode.FAILED.getState(), message, null);
}
/**
* 失敗返回結(jié)果
* @param code
* @param message
*/
public static CommonResult failed(int code, String message) {
return failed(ResultCode.FAILED);
}
/**
* 參數(shù)驗(yàn)證失敗返回結(jié)果
*/
public static CommonResult validateFailed() {
return failed(ResultCode.VALIDATE_FAILED);
}
/**
* 參數(shù)驗(yàn)證失敗返回結(jié)果
* @param message 提示信息
*/
public static CommonResult validateFailed(String message) {
return new CommonResult(ResultCode.VALIDATE_FAILED.getState(), message, null);
}
/**
* 未登錄返回結(jié)果
*/
public static CommonResult unauthorized(T data) {
return new CommonResult(ResultCode.UNAUTHORIZED.getState(), ResultCode.UNAUTHORIZED.getMessage(), data);
}
/**
* 未授權(quán)返回結(jié)果
*/
public static CommonResult forbidden(T data) {
return new CommonResult(ResultCode.FORBIDDEN.getState(), ResultCode.FORBIDDEN.getMessage(), data);
}
public long getState() {
return state;
}
public void setState(long state) {
this.state = state;
}
public String getStateInfo() {
return stateInfo;
}
public void setStateInfo(String stateInfo) {
this.stateInfo = stateInfo;
}
public T getData() {
return data;
}
public void setData(T data) {
this.data = data;
}
}
9. 異常類
全局異常攔截類
@Slf4j
@ControllerAdvice
@ResponseBody
public class GlobalExceptionHander {
@ExceptionHandler(value = Exception.class)
public CommonResult handlerException(Exception e){
if (e instanceof DataAddException){
log.error("【全局異常攔截】DataAddException: 請求方法 {}, 請求路徑 {}",((DataAddException)e).getCode(),((DataAddException)e).getMessage());
return CommonResult.failed(ResultCode.DATA_ADD_ERROR);
}else if (e instanceof DataMatchException){
log.error("【全局異常攔截】DataMatchException: 請求方法 {}, 請求路徑 {}",((DataMatchException)e).getCode(),((DataMatchException)e).getMessage());
return CommonResult.failed(ResultCode.USERNAME_OR_PASSWORD_ERROR);
} else {
log.error("服務(wù)器內(nèi)部出錯(cuò){}",e);
return CommonResult.failed(ResultCode.FAILED);
}
}
}自定義數(shù)據(jù)添加異常類
public class DataAddException extends RuntimeException {
private String code;
private String message;
public DataAddException(String code, String message) {
this.code = code;
this.message = message;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
@Override
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
}
自定義數(shù)據(jù)匹配異常類
public class DataMatchException extends RuntimeException {
private String code;
private String message;
public DataMatchException(String code, String message) {
this.code = code;
this.message = message;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
@Override
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
}springboot是什么
springboot一種全新的編程規(guī)范，其設(shè)計(jì)目的是用來簡化新Spring應(yīng)用的初始搭建以及開發(fā)過程，SpringBoot也是一個(gè)服務(wù)于框架的框架，服務(wù)范圍是簡化配置文件。
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當(dāng)前題目：springboot如何實(shí)現(xiàn)注冊加密與登錄解密功能
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