RgggieCode.zip

package com.itheima.controller; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.itheima.common.Constants; import com.itheima.domain.Employee; import com.itheima.service.IEmployeeService; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.util.DigestUtils; import org.springframework.web.bind.annotation.*; import javax.servlet.http.HttpServletRequest; import java.nio.charset.StandardCharsets; /** * <p> * 员工信息 前端控制器 * </p> * * @author 黑马程序员小张 * @since 2022-08-26 */ @RestController @RequestMapping("/employee") @Slf4j public class EmployeeController { @Autowired private IEmployeeService iEmployeeService; //获取前端传来的员工信息，处理登录功能 //需要加一个过滤器，拦截未登陆的网页请求 @PostMapping("/login") public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee) { //1.将页面提交的密码password进行md5加密处理 String password = employee.getPassword(); String s = DigestUtils.md5DigestAsHex(password.getBytes(StandardCharsets.UTF_8)); //2.根据页面提交的用户名username查询数据库 LambdaQueryWrapper<Employee> wrapper = new LambdaQueryWrapper<>(); wrapper.eq(Employee::getUsername, employee.getUsername()); Employee emp = iEmployeeService.getOne(wrapper); //3.如果emp为空，就没有用户，失败 if (emp == null) { return R.error("登录失败"); } //4.如果emp不为空，获取密码比对 if (!emp.getPassword().equals(s)) { return R.error("登录失败"); } //5.如果状态为0，已禁用，登陆失败 if (emp.getStatus() == 0) { return R.error("登陆失败"); } //登录成功，加载到session中 request.getSession().setAttribute(Constants.EMPLOYEE, emp.getId()); return R.success(emp); } //实现退出功能 @PostMapping("/logout") public R<String> logout(HttpServletRequest request) { request.getSession().removeAttribute(Constants.EMPLOYEE); return R.success("退出成功"); } /** * 1.@Desription: 实现新增功能，并检查用户名是否重复 * 2.@Param: * 3.@return: * 4.@Date: 2022-08-27 */ @PostMapping public R<String> addEmp(HttpServletRequest request, @RequestBody Employee employee) { //设置密码，设置时间 employee.setPassword(DigestUtils.md5DigestAsHex(Constants.PASSWORD.getBytes(StandardCharsets.UTF_8))); iEmployeeService.save(employee); return R.success("成功"); } /** * 1.@Desription: 根据前端页面传来的page,pagesize和根据名字查询的名字，来从数据库中查询符合条件的内容 * 2.@Param: * 3.@return: * 4.@Date: 2022-08-27 */ @GetMapping("/page") public R<Page> pageSelect(@RequestParam int page, int pageSize, String name) { //分页构造器 Page pageInfo = new Page(page, pageSize); //获取name LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>(); if (name != null) { queryWrapper.like(Employee::getName, name); } queryWrapper.orderByDesc(Employee::getCreateTime); iEmployeeService.page(pageInfo, queryWrapper); log.info("pageinfo里{}", pageInfo.getRecords()); return R.success(pageInfo); } @PutMapping public R<String> update(HttpServletRequest request, @RequestBody Employee employee) { log.info("更新员工信息{}", employee); iEmployeeService.updateById(employee); return R.success("修改成功"); } /** * 1.@Desription: 回显页面， * 2.@Param: * 3.@return: * 4.@Date: 2022-08-27 */ @GetMapping("/{id}") public R<Employee> findById(@PathVariable Long id) { Employee emp1 = iEmployeeService.getById(id); return R.success(emp1); } }