苍穹外卖初始化代码

sky-server/src/main/java/com/sky/service/EmployeeService.java

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+package com.sky.service;
+
+import com.sky.dto.EmployeeLoginDTO;
+import com.sky.entity.Employee;
+
+public interface EmployeeService {
+
+    /**
+     * 员工登录
+     * @param employeeLoginDTO
+     * @return
+     */
+    Employee login(EmployeeLoginDTO employeeLoginDTO);
+
+}

sky-server/src/main/java/com/sky/service/impl/EmployeeServiceImpl.java

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+package com.sky.service.impl;
+
+import com.sky.constant.MessageConstant;
+import com.sky.constant.StatusConstant;
+import com.sky.dto.EmployeeLoginDTO;
+import com.sky.entity.Employee;
+import com.sky.exception.AccountLockedException;
+import com.sky.exception.AccountNotFoundException;
+import com.sky.exception.PasswordErrorException;
+import com.sky.mapper.EmployeeMapper;
+import com.sky.service.EmployeeService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.util.DigestUtils;
+
+@Service
+public class EmployeeServiceImpl implements EmployeeService {
+
+    @Autowired
+    private EmployeeMapper employeeMapper;
+
+    /**
+     * 员工登录
+     *
+     * @param employeeLoginDTO
+     * @return
+     */
+    public Employee login(EmployeeLoginDTO employeeLoginDTO) {
+        String username = employeeLoginDTO.getUsername();
+        String password = employeeLoginDTO.getPassword();
+
+        //1、根据用户名查询数据库中的数据
+        Employee employee = employeeMapper.getByUsername(username);
+
+        //2、处理各种异常情况（用户名不存在、密码不对、账号被锁定）
+        if (employee == null) {
+            //账号不存在
+            throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
+        }
+
+        //密码比对
+        // TODO 后期需要进行md5加密，然后再进行比对
+        if (!password.equals(employee.getPassword())) {
+            //密码错误
+            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
+        }
+
+        if (employee.getStatus() == StatusConstant.DISABLE) {
+            //账号被锁定
+            throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
+        }
+
+        //3、返回实体对象
+        return employee;
+    }
+
+}