java房屋租赁系统(平台)

package com.example.sens.controller.home; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.example.sens.controller.common.BaseController; import com.example.sens.dto.JsonResult; import com.example.sens.entity.*; import com.example.sens.enums.OrderStatusEnum; import com.example.sens.enums.PostStatusEnum; import com.example.sens.service.*; import com.example.sens.util.DateUtil; import com.example.sens.util.FileUtil; import com.example.sens.util.PageUtil; import org.apache.commons.lang3.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.transaction.annotation.Transactional; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.*; import javax.servlet.ServletInputStream; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLEncoder; import java.text.DateFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.*; /** * @author 言曌 * @date 2020/3/11 4:59 下午 */ @Controller public class FrontPostController extends BaseController { @Autowired private CategoryService categoryService; @Autowired private PostService postService; @Autowired private CityService cityService; @Autowired private OrderService orderService; @Autowired private UserService userService; /** * 房屋列表 * * @param model * @return */ @GetMapping("/post") public String postList(@RequestParam(value = "page", defaultValue = "1") Integer pageNumber, @RequestParam(value = "size", defaultValue = "6") Integer pageSize, @RequestParam(value = "sort", defaultValue = "createTime") String sort, @RequestParam(value = "order", defaultValue = "desc") String order, @RequestParam(value = "postTitle", defaultValue = "") String postTitle, @RequestParam(value = "cityId", defaultValue = "-1") Long cityId, @RequestParam(value = "cateId", defaultValue = "-1") Long cateId, @RequestParam(value = "area", defaultValue = "") String area, @RequestParam(value = "price", defaultValue = "") String price, @RequestParam(value = "status", defaultValue = "-1") Integer status, HttpSession session, Model model) { Post condition = new Post(); List<Category> categoryList = categoryService.findAll(); model.addAttribute("categoryList", categoryList); List<City> cityList = cityService.findAll(); model.addAttribute("cityList", cityList); model.addAttribute("postCount", postService.count(null)); try { if (StringUtils.isNotEmpty(price)) { String[] priceArr = price.split("-"); if (priceArr.length == 2) { condition.setMinPrice(Integer.valueOf(priceArr[0])); condition.setMaxPrice(Integer.valueOf(priceArr[1])); } } if (StringUtils.isNotEmpty(area)) { String[] areaArr = price.split("-"); if (areaArr.length == 2) { condition.setMinArea(Integer.valueOf(areaArr[0])); condition.setMaxArea(Integer.valueOf(areaArr[1])); } } } catch (Exception e) { e.printStackTrace(); } // 查询日期列表 Page page = PageUtil.initMpPage(pageNumber, pageSize, sort, order); condition.setPostTitle(postTitle); condition.setPostStatus(status); condition.setCateId(cateId); condition.setCityId(cityId); Page<Post> postPage = postService.findPostByCondition(condition, page); model.addAttribute("page", postPage); model.addAttribute("postTitle", postTitle); model.addAttribute("cityId", cityId); model.addAttribute("cateId", cateId); model.addAttribute("status", status); model.addAttribute("area", area); model.addAttribute("price", price); // 侧边栏 model.addAttribute("onCount", postService.countByStatus(PostStatusEnum.ON_SALE.getCode())); model.addAttribute("offCount", postService.countByStatus(PostStatusEnum.OFF_SALE.getCode())); if (cityId != null && cityId != -1) { City city = cityService.get(cityId); if (city != null) { session.setAttribute("city", city); } } else { session.removeAttribute("city"); } return "home/postList"; } /** * 房屋详情 * * @param id * @param model * @return */ @GetMapping("/post/{id}") public String postDetails(@PathVariable("id") Long id, @RequestParam(value = "startDate", required = false) String start, @RequestParam(value = "quantity", defaultValue = "1") Integer quantity, HttpSession session, Model model) { // 房屋 Post post = postService.get(id); if (post == null) { return renderNotFound(); } // 分类和城市 Category category = categoryService.get(post.getCateId()); City city = cityService.get(post.getCityId()); User user = userService.get(post.getUserId()); post.setCategory(category); post.setCity(city); post.setUser(user); model.addAttribute("post", post); boolean allowEdit = getLoginUser() != null && (loginUserIsAdmin() || Objects.equals(post.getUserId(), getLoginUserId())); model.addAttribute("allowEdit", allowEdit); String[] imgUrlList = post.getImgUrl().split(","); model.addAttribute("imgUrlList", imgUrlList); List<Category> categoryList = categoryService.findAll(); model.addAttribute("categoryList", categoryList); List<City> cityList = cityService.findAll(); model.addAttribute("cityList", cityList); City citySession = (City) session.getAttribute("city"); Long cityId = citySession == null ? null : citySession.getId(); List<Post> latestPostList = postService.getLatestPost(cityId, 6); model.addAttribute("latestPostList", latestPostList); // 可以考虑优化下，暂时没有时间优化 List<Post> unionRentPost = postService.getUnionRentPost(post); List<Order> orderList = new ArrayList<>(); for (Post temp : unionRentPost) { Order order = orderService.findByPostId(temp.getId()); if (order == null) { order = new Order(); } else { order.setUser(userService.get(order.getUserId())); } order.setPost(temp); orderList.add(order); } model.addAttribute("orderList", orderList); return "home/post"; } /** * 结算页面 * * @param postId * @param start * @param quantity * @param model * @return */ @GetMapping("/checkout") public String checkout(@RequestParam("postId") Long postId, @RequestParam(value = "startDate", required = false) String start, @RequestParam(value = "quantity", defaultValue = "1") Integer quantity, Model model) { DateFormat dateFormat = new SimpleDateFormat(DateUtil.FORMAT); if (quantity == null |