基于 SpringBoot2+Vue3 的大学生科创项目在线管理系统

核心实现

在用户认证模块中，我们采用了 Token 机制来管理会话状态。以下是 UsersController 的核心实现逻辑，展示了登录、注册及密码重置的处理流程。

package com.controller;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import com.annotation.IgnoreAuth;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.entity.TokenEntity;
import com.entity.UsersEntity;
import com.service.TokenService;
import com.service.UsersService;
import com.utils.CommonUtil;
import com.utils.MPUtil;
import com.utils.PageUtils;
import com.utils.R;
import com.utils.ValidatorUtils;

/**
 * 登录相关
 */
@RequestMapping("users")
@RestController
public class UsersController{
    @Autowired private UsersService userService;
    @Autowired private TokenService tokenService;

    /**
     * 登录
     */
    @IgnoreAuth
    @PostMapping(value = "/login")
    public R login(String username, String password, String captcha, HttpServletRequest request) {
        UsersEntity user = userService.selectOne(new EntityWrapper<UsersEntity>().eq("username", username));
        if(user==null || !user.getPassword().equals(password)) {
            return R.error("账号或密码不正确");
        }
        String token = tokenService.generateToken(user.getId(),username, "users", user.getRole());
        return R.ok().put("token", token);
    }

    /**
     * 注册
     */
    @IgnoreAuth
    @PostMapping(value = "/register")
    public R register(@RequestBody UsersEntity user){
        // ValidatorUtils.validateEntity(user);
        if(userService.selectOne(new EntityWrapper<UsersEntity>().eq("username", user.getUsername())) !=null) {
            return R.error("用户已存在");
        }
        userService.insert(user);
        return R.ok();
    }

    /**
     * 退出
     */
    @GetMapping(value = "logout")
    public R logout(HttpServletRequest request) {
        request.getSession().invalidate();
        return R.ok("退出成功");
    }

    /**
     * 密码重置
     */
    @IgnoreAuth
    @RequestMapping(value = "/resetPass")
    public R resetPass(String username, HttpServletRequest request){
        UsersEntity user = userService.selectOne(new EntityWrapper<UsersEntity>().eq("username", username));
        if(user==null) {
            return R.error("账号不存在");
        }
        user.setPassword("123456");
        userService.update(user,null);
        return R.ok("密码已重置为：123456");
    }

    /**
     * 列表
     */
    @RequestMapping("/page")
    public R page(@RequestParam Map<String, Object> params,UsersEntity user){
        EntityWrapper<UsersEntity> ew = new EntityWrapper<UsersEntity>();
        PageUtils page = userService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.allLike(ew, user), params), params));
        return R.ok().put("data", page);
    }

    /**
     * 列表
     */
    @RequestMapping("/list")
    public R list( UsersEntity user){
        EntityWrapper<UsersEntity> ew = new EntityWrapper<UsersEntity>();
        ew.allEq(MPUtil.allEQMapPre( user, "user"));
        return R.ok().put("data", userService.selectListView(ew));
    }

    /**
     * 信息
     */
    @RequestMapping("/info/{id}")
    public R info(@PathVariable("id") String id){
        UsersEntity user = userService.selectById(id);
        return R.ok().put("data", user);
    }

    /**
     * 获取用户的 session 用户信息
     */
    @RequestMapping("/session")
    public R getCurrUser(HttpServletRequest request){
        Long id = (Long)request.getSession().getAttribute("userId");
        UsersEntity user = userService.selectById(id);
        return R.ok().put("data", user);
    }

    /**
     * 保存
     */
    @PostMapping("/save")
    public R save(@RequestBody UsersEntity user){
        // ValidatorUtils.validateEntity(user);
        if(userService.selectOne(new EntityWrapper<UsersEntity>().eq("username", user.getUsername())) !=null) {
            return R.error("用户已存在");
        }
        userService.insert(user);
        return R.ok();
    }

    /**
     * 修改
     */
    @RequestMapping("/update")
    public R update(@RequestBody UsersEntity user){
        // ValidatorUtils.validateEntity(user);
        UsersEntity u = userService.selectOne(new EntityWrapper<UsersEntity>().eq("username", user.getUsername()));
        if(u!=null && u.getId()!=user.getId() && u.getUsername().equals(user.getUsername())) {
            return R.error("用户名已存在。");
        }
        userService.updateById(user);//全部更新
        return R.ok();
    }

    /**
     * 删除
     */
    @RequestMapping("/delete")
    public R delete(@RequestBody Long[] ids){
        userService.deleteBatchIds(Arrays.asList(ids));
        return R.ok();
    }
}

系统界面展示

设计文档示例