目录
1.技术选型
springboot、mybatisplus、vue、elementui、html、css、js、mysql、jdk1.8
2.开发工具
idea、navicat
3.功能
3.1【角色】
管理员、用户
3.2【前端功能模块】
- 登录
- 注册
- 系统首页
- 房源信息（预约看房、立即租赁）
- 公告信息
- 留言板
- 个人中心（个人中心、修改密码、预约看房、订单信息、合同信息、维修申请、合同终止、维修情况、我的收藏）
3.3【后端功能模块】
- 登录
- 首页
- 用户
- 类别
- 房源信息
- 预约看房
- 订单信息
- 合同信息
- 维修申请
- 合同终止
- 维修情况
- 留言板管理
- 系统管理
4.项目演示截图
4.1 系统首页
4.2 房源详情
4.3 房源信息
4.4 公告信息
4.5 个人中心
4.6 用户管理
4.7 房源信息
4.8 预约看房
5.核心代码
5.1拦截器
package com.interceptor;
import com.alibaba.fastjson.JSONObject;
import com.annotation.IgnoreAuth;
import com.entity.TokenEntity;
import com.service.TokenService;
import com.utils.R;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.HandlerInterceptor;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.PrintWriter;
/**
* 权限(Token)验证
*/
@Component
public class AuthorizationInterceptor implements HandlerInterceptor {
public static final String LOGIN_TOKEN_KEY = "Token";
@Autowired
private TokenService tokenService;
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
//支持跨域请求
response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
response.setHeader("Access-Control-Max-Age", "3600");
response.setHeader("Access-Control-Allow-Credentials", "true");
response.setHeader("Access-Control-Allow-Headers", "x-requested-with,request-source,Token, Origin,imgType, Content-Type, cache-control,postman-token,Cookie, Accept,authorization");
response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin"));
// 跨域时会首先发送一个OPTIONS请求，这里我们给OPTIONS请求直接返回正常状态
if (request.getMethod().equals(RequestMethod.OPTIONS.name())) {
response.setStatus(HttpStatus.OK.value());
return false;
}
IgnoreAuth annotation;
if (handler instanceof HandlerMethod) {
annotation = ((HandlerMethod) handler).getMethodAnnotation(IgnoreAuth.class);
} else {
return true;
}
//从header中获取token
String token = request.getHeader(LOGIN_TOKEN_KEY);
/**
* 不需要验证权限的方法直接放过
*/
if(annotation!=null) {
return true;
}
TokenEntity tokenEntity = null;
if(StringUtils.isNotBlank(token)) {
tokenEntity = tokenService.getTokenEntity(token);
}
if(tokenEntity != null) {
request.getSession().setAttribute("userId", tokenEntity.getUserid());
request.getSession().setAttribute("role", tokenEntity.getRole());
request.getSession().setAttribute("tableName", tokenEntity.getTablename());
request.getSession().setAttribute("username", tokenEntity.getUsername());
return true;
}
PrintWriter writer = null;
response.setCharacterEncoding("UTF-8");
response.setContentType("application/json; charset=utf-8");
try {
writer = response.getWriter();
writer.print(JSONObject.toJSONString(R.error(401, "请先登录")));
} finally {
if(writer != null){
writer.close();
}
}
return false;
}
}5.2分页工具类
package com.utils;
import java.io.Serializable;
import java.util.List;
import java.util.Map;
import com.baomidou.mybatisplus.plugins.Page;
/**
* 分页工具类
*/
public class PageUtils implements Serializable {
private static final long serialVersionUID = 1L;
//总记录数
private long total;
//每页记录数
private int pageSize;
//总页数
private long totalPage;
//当前页数
private int currPage;
//列表数据
private List<?> list;
/**
* 分页
* @param list 列表数据
* @param totalCount 总记录数
* @param pageSize 每页记录数
* @param currPage 当前页数
*/
public PageUtils(List<?> list, int totalCount, int pageSize, int currPage) {
this.list = list;
this.total = totalCount;
this.pageSize = pageSize;
this.currPage = currPage;
this.totalPage = (int)Math.ceil((double)totalCount/pageSize);
}
/**
* 分页
*/
public PageUtils(Page<?> page) {
this.list = page.getRecords();
this.total = page.getTotal();
this.pageSize = page.getSize();
this.currPage = page.getCurrent();
this.totalPage = page.getPages();
}
/*
* 空数据的分页
*/
public PageUtils(Map<String, Object> params) {
Page page =new Query(params).getPage();
new PageUtils(page);
}
public int getPageSize() {
return pageSize;
}
public void setPageSize(int pageSize) {
this.pageSize = pageSize;
}
public int getCurrPage() {
return currPage;
}
public void setCurrPage(int currPage) {
this.currPage = currPage;
}
public List<?> getList() {
return list;
}
public void setList(List<?> list) {
this.list = list;
}
public long getTotalPage() {
return totalPage;
}
public void setTotalPage(long totalPage) {
this.totalPage = totalPage;
}
public long getTotal() {
return total;
}
public void setTotal(long total) {
this.total = total;
}
}5.3文件上传下载
package com.controller;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.UUID;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.util.ResourceUtils;
import org.springframework.web.bind.annotation.PathVariable;
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.RestController;
import org.springframework.web.multipart.MultipartFile;
import com.annotation.IgnoreAuth;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.entity.ConfigEntity;
import com.entity.EIException;
import com.service.ConfigService;
import com.utils.R;
/**
* 上传文件映射表
*/
@RestController
@RequestMapping("file")
@SuppressWarnings({"unchecked","rawtypes"})
public class FileController{
@Autowired
private ConfigService configService;
/**
* 上传文件
*/
@RequestMapping("/upload")
@IgnoreAuth
public R upload(@RequestParam("file") MultipartFile file,String type) throws Exception {
if (file.isEmpty()) {
throw new EIException("上传文件不能为空");
}
String fileExt = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf(".")+1);
File path = new File(ResourceUtils.getURL("classpath:static").getPath());
if(!path.exists()) {
path = new File("");
}
File upload = new File(path.getAbsolutePath(),"/upload/");
if(!upload.exists()) {
upload.mkdirs();
}
String fileName = new Date().getTime()+"."+fileExt;
File dest = new File(upload.getAbsolutePath()+"/"+fileName);
file.transferTo(dest);
if(StringUtils.isNotBlank(type) && type.equals("1")) {
ConfigEntity configEntity = configService.selectOne(new EntityWrapper<ConfigEntity>().eq("name", "faceFile"));
if(configEntity==null) {
configEntity = new ConfigEntity();
configEntity.setName("faceFile");
configEntity.setValue(fileName);
} else {
configEntity.setValue(fileName);
}
configService.insertOrUpdate(configEntity);
}
return R.ok().put("file", fileName);
}
/**
* 下载文件
*/
@IgnoreAuth
@RequestMapping("/download")
public ResponseEntity<byte[]> download(@RequestParam String fileName) {
try {
File path = new File(ResourceUtils.getURL("classpath:static").getPath());
if(!path.exists()) {
path = new File("");
}
File upload = new File(path.getAbsolutePath(),"/upload/");
if(!upload.exists()) {
upload.mkdirs();
}
File file = new File(upload.getAbsolutePath()+"/"+fileName);
if(file.exists()){
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
headers.setContentDispositionFormData("attachment", fileName);
return new ResponseEntity<byte[]>(FileUtils.readFileToByteArray(file),headers, HttpStatus.CREATED);
}
} catch (IOException e) {
e.printStackTrace();
}
return new ResponseEntity<byte[]>(HttpStatus.INTERNAL_SERVER_ERROR);
}
}5.4前端请求
import axios from 'axios'
import router from '@/router/router-static'
import storage from '@/utils/storage'
const http = axios.create({
timeout: 1000 * 86400,
withCredentials: true,
baseURL: '/furniture',
headers: {
'Content-Type': 'application/json; charset=utf-8'
}
})
// 请求拦截
http.interceptors.request.use(config => {
config.headers['Token'] = storage.get('Token') // 请求头带上token
return config
}, error => {
return Promise.reject(error)
})
// 响应拦截
http.interceptors.response.use(response => {
if (response.data && response.data.code === 401) { // 401, token失效
router.push({ name: 'login' })
}
return response
}, error => {
return Promise.reject(error)
})
export default http6.LW文档大纲参考
具体LW如何写法，可以咨询博主，耐心分享！