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fdzcxy212107135 10 months ago
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SystemController.java
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package com.zsz.controller;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.zsz.config.SystemUtil;
import com.zsz.pojo.Admin;
import com.zsz.pojo.LoginForm;
import com.zsz.pojo.Student;
import com.zsz.pojo.Teacher;
import com.zsz.service.AdminService;
import com.zsz.service.StudentService;
import com.zsz.service.TeacherService;
import com.zsz.util.*;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import javax.annotation.Resource;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Map;
import static com.zsz.config.ConfigurerAdapter.PATH_PREFIX;
@Api("系统控制器")
@RestController
@RequestMapping("/sms/system")
public class SystemController {
@Autowired
AdminService adminService;
@Autowired
StudentService studentService;
@Autowired
TeacherService teacherService;
@Resource
private SystemUtil systemUtil;
@Resource
private LocalUploadUtil localUploadUtil;
// http://localhost:8080/sms/system/headerImgUpload
@ApiOperation("头像上传")
@PostMapping("/headerImgUpload")
public Result headerImgUpload(
@RequestPart("multipartFile") MultipartFile multipartFile
) {
//保存图片
String upload = localUploadUtil.upload(multipartFile);
return Result.ok(upload);
}
//从请求头中的token信息获取用户类型，并响应用户信息
@ApiOperation("从请求头中的token信息中获取用户类型，并响应用户信息")
@GetMapping("/getInfo")
public Result getInfoByToken(
@ApiParam("请求头中的token信息") @RequestHeader("token") String token) {
//验证token是否已经失效
boolean expiration = JwtHelper.isExpiration(token);
if (expiration) {
return Result.build(null, ResultCodeEnum.TOKEN_ERROR);
}
Long userId = JwtHelper.getUserId(token);
Integer userType = JwtHelper.getUserType(token);
Map<String, Object> stringObjectLinkedHashMap = new LinkedHashMap<>();
switch (userType) {
case 1:
Admin admin = adminService.getAdminById(userId);
stringObjectLinkedHashMap.put("userType", 1);
stringObjectLinkedHashMap.put("user", admin);
break;
case 2:
Student student = studentService.getStudentById(userId);
stringObjectLinkedHashMap.put("userType", 2);
stringObjectLinkedHashMap.put("user", student);
break;
case 3:
Teacher teacher = teacherService.getTeacherById(userId);
stringObjectLinkedHashMap.put("userType", 3);
stringObjectLinkedHashMap.put("user", teacher);
break;
}
return Result.ok(stringObjectLinkedHashMap);
}
//将前端提交POST请求的信息封装起来，使用@RequestBody注解
@ApiOperation("登录功能实现，首先校验验证码是否失效和正确，然后从提交的表单中判断用户类型，获取不同的响应信息")
@PostMapping("/login")
public Result login(
@ApiParam("用户登录提交的表单") @RequestBody LoginForm loginForm,
@ApiParam("请求") HttpServletRequest request) {
//校验用户输入的验证码和session中的验证码
HttpSession session = request.getSession();
String sessionVerifiCode = (String) session.getAttribute("verifiCode");
String loginVerifiCode = loginForm.getVerifiCode();
//1.session中验证码失效了
if ("".equals(sessionVerifiCode)) {
return Result.fail().message("验证码失效，请刷新页面重试");
}
if (!loginVerifiCode.equalsIgnoreCase(sessionVerifiCode)) {
return Result.fail().message("验证码输入有误！");
}
//验证码使用完毕，移除当前请求域中的验证码
session.removeAttribute("verifiCode");
//准备一个map集合，存放用户响应的信息
Map<String, Object> map = new LinkedHashMap<>();
//2.根据选择的用户类型去不同角色的用户表中查询用户，判断用户名和密码是否正确
switch (loginForm.getUserType()) {
case 1:
try {
//调用服务层登录方法,根据用户提交的LoginInfo信息,查询对应的Admin对象,找不到返回Null
Admin admin = adminService.login(loginForm);
if (admin != null) {
//登录成功，将用户ID和用户类型转换为token口令，作为信息响应给前端
map.put("token", JwtHelper.createToken(admin.getId().longValue(), 1));
} else {
throw new RuntimeException("用户名或者密码有误！");
}
return Result.ok(map);
} catch (RuntimeException e) {
e.printStackTrace();
//捕获异常，向用户响应错误信息
return Result.fail().message(e.getMessage());
}
case 2:
try {
//调用服务层登录方法,根据用户提交的LoginInfo信息,查询对应的Admin对象,找不到返回Null
Student student = studentService.login(loginForm);
if (student != null) {
//登录成功，将用户ID和用户类型转换为token口令，作为信息响应给前端
map.put("token", JwtHelper.createToken(student.getId().longValue(), 2));
} else {
throw new RuntimeException("用户名或者密码有误！");
}
return Result.ok(map);
} catch (RuntimeException e) {
e.printStackTrace();
//捕获异常，向用户响应错误信息
return Result.fail().message(e.getMessage());
}
case 3:
try {
//调用服务层登录方法,根据用户提交的LoginInfo信息,查询对应的Admin对象,找不到返回Null
Teacher teacher = teacherService.login(loginForm);
if (teacher != null) {
//登录成功，将用户ID和用户类型转换为token口令，作为信息响应给前端
map.put("token", JwtHelper.createToken(teacher.getId().longValue(), 3));
} else {
throw new RuntimeException("用户名或者密码有误！");
}
return Result.ok(map);
} catch (RuntimeException e) {
e.printStackTrace();
//捕获异常，向用户响应错误信息
return Result.fail().message(e.getMessage());
}
}
return Result.fail().message("查无此人!");
}
@ApiOperation("获取验证码图片")
@GetMapping("/getVerifiCodeImage")
public void getVerifiCodeImage(HttpServletRequest request, HttpServletResponse response) {
//获取验证码图片
BufferedImage verifiCodeImage = CreateVerifiCodeImage.getVerifiCodeImage();
//获取图片上的验证码
String verifiCode = new String(CreateVerifiCodeImage.getVerifiCode());
//将验证码文本放入Session域，为下一次验证做准备
HttpSession session = request.getSession();
session.setAttribute("verifiCode", verifiCode);
//将验证码图片响应给浏览器
try {
ImageIO.write(verifiCodeImage, "JPEG", response.getOutputStream());
} catch (IOException e) {
e.printStackTrace();
}
}
// POST http://localhost:8080/sms/system/updatePwd/admin/admin123
@ApiOperation("修改密码")
@PostMapping("/updatePwd/{oldPwd}/{newPwd}")
public Result updatePwd(
@ApiParam("原密码") @PathVariable("oldPwd") String oldPwd,
@ApiParam("新密码") @PathVariable("newPwd") String newPwd,
@ApiParam("token信息，用来判断当前登录的用户类型") @RequestHeader String token
) {
//判断token是否失效
boolean expiration = JwtHelper.isExpiration(token);
if (expiration) {
return Result.fail().message("token失效，请重新登录。");
}
//从token中获取用户id，用户类型，判断从哪个表中查询
Long userId = JwtHelper.getUserId(token);
Integer userType = JwtHelper.getUserType(token);
//请求链接中原密码和新密码都是以明文方式传输的，数据库中的密码是以密文存储的，所以要将原密码和新密码转换成密文
String encryptOldPwd = MD5.encrypt(oldPwd);
String encryptNewPwd = MD5.encrypt(newPwd);
switch (userType) {
case 1:
QueryWrapper<Admin> adminQueryWrapper = new QueryWrapper<>();
adminQueryWrapper.eq("id", userId);
adminQueryWrapper.eq("password", encryptOldPwd);
Admin one = adminService.getOne(adminQueryWrapper);
if (one != null) {
one.setPassword(encryptNewPwd);
adminService.saveOrUpdate(one);
} else {
return Result.fail().message("原密码错误！");
}
break;
case 2:
QueryWrapper<Student> studentQueryWrapper = new QueryWrapper<>();
studentQueryWrapper.eq("id", userId);
studentQueryWrapper.eq("password", encryptOldPwd);
Student studentServiceOne = studentService.getOne(studentQueryWrapper);
if (studentServiceOne != null) {
studentServiceOne.setPassword(encryptNewPwd);
studentService.saveOrUpdate(studentServiceOne);
} else {
return Result.fail().message("原密码错误!");
}
break;
case 3:
QueryWrapper<Teacher> teacherQueryWrapper = new QueryWrapper<>();
teacherQueryWrapper.eq("id", userId);
teacherQueryWrapper.eq("password", encryptOldPwd);
Teacher teacherServiceOne = teacherService.getOne(teacherQueryWrapper);
if (teacherServiceOne != null) {
teacherServiceOne.setPassword(encryptNewPwd);
teacherService.saveOrUpdate(teacherServiceOne);
} else {
return Result.fail().message("原密码错误!");
}
break;
}
return Result.ok();
}
}
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