Java基于微信小程序的无人值守自习室预约选座 系统 uniapp

    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.UserEntity;
    import com.service.TokenService;
    import com.service.UserService;
    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 UserController{
    	
    	@Autowired
    	private UserService userService;
    	
    	@Autowired
    	private TokenService tokenService;
    
    	/** * 登录
    	 */
    	@IgnoreAuth
    	@PostMapping(value = "/login")
    	public R login(String username, String password, String captcha, HttpServletRequest request) {
    		UserEntity user = userService.selectOne(new EntityWrapper<UserEntity>().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 UserEntity user){
    //    	ValidatorUtils.validateEntity(user);
    	if(userService.selectOne(new EntityWrapper<UserEntity>().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){
    	UserEntity user = userService.selectOne(new EntityWrapper<UserEntity>().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,UserEntity user){
        EntityWrapper<UserEntity> ew = new EntityWrapper<UserEntity>();
    	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( UserEntity user){
       	EntityWrapper<UserEntity> ew = new EntityWrapper<UserEntity>();
      	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){
        UserEntity 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");
        UserEntity user = userService.selectById(id);
        return R.ok().put("data", user);
    }
    
    /** * 保存
     */
    @PostMapping("/save")
    public R save(@RequestBody UserEntity user){
    //    	ValidatorUtils.validateEntity(user);
    	if(userService.selectOne(new EntityWrapper<UserEntity>().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 UserEntity user){
    //        ValidatorUtils.validateEntity(user);
    	UserEntity u = userService.selectOne(new EntityWrapper<UserEntity>().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();
    }
    }