springboot/ssm城市垃圾分类管理系统Java代码编写web项目社区垃圾分类

基于springboot(可改ssm)+html+vue项目

开发语言：Java

框架：springboot/可改ssm + vue

JDK版本：JDK1.8（或11）

服务器：tomcat

数据库：mysql 5.7（或8.0）

数据库工具：Navicat/sqlyog

开发软件：eclipse/idea

依赖管理包：Maven

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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();
    }
}

原文地址：https://blog.csdn.net/2302_79459510/article/details/144408024

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