按照页面原型设计
- 点击全部商店后加载一级商铺列表，加载对应的数据
- 点击特定的一级商铺列表，加载对应商铺列表下的数据
- 区域显示全部区域
- 店铺列表页面需要支持分页功能，使用无极滚动的样式
- 店铺列表页面需要支持多条件排列组合查询店铺信息
<select id="queryShopList" resultMap="shopMap">
SELECT
s.shop_id,
s.shop_name,
s.shop_desc,
s.shop_addr,
s.phone,
s.shop_img,
s.priority,
s.create_time,
s.last_edit_time,
s.enable_status,
s.advice,
a.area_id,
a.area_name,
sc.shop_category_id,
sc.shop_category_name
FROM
tb_shop s,
tb_area a,
tb_shop_category sc
<where>
<if
test="shopCondition.shopCategory!=null
and shopCondition.shopCategory.shopCategoryId!=null">
and s.shop_category_id =
#{shopCondition.shopCategory.shopCategoryId}
</if>
<if
test="shopCondition.shopCategory != null
and shopCondition.shopCategory.parent!=null
and shopCondition.shopCategory.parent.shopCategoryId!=null">
and s.shop_category_id in (select shop_category_id from
tb_shop_category
WHERE parent_id =
#{shopCondition.shopCategory.parent.shopCategoryId})
</if>
<if
test="shopCondition.area!=null and shopCondition.shopCategory.areaId!=null">
and shop_area_id = #{shopCondition.area.areaId}
</if>
<if test="shopCondition.shopName!=null">
and s.shop_name like ‘%${shopCondition.shopName}%‘
</if>
<if test="shopCondition.enableStatus!=null">
and s.enable_status = #{shopCondition.enableStatus}
</if>
<if
test="shopCondition.owner!=null and shopCondition.owner.userId!=null">
and s.owner_id = #{shopCondition.owner.userId}
</if>
AND
s.area_id = a.area_id
AND
s.shop_category_id = sc.shop_category_id
</where>
ORDER BY
s.priority DESC
LIMIT #{rowIndex},#{pageSize};
</select>
<select id="queryShopCount" resultType="int">
SELECT
count(1)
FROM
tb_shop s,
tb_area a,
tb_shop_category sc
<where>
<if
test="shopCondition.shopCategory!=null and shopCondition.shopCategory.shopCategoryId!=null">
and s.shop_category_id =
#{shopCondition.shopCategory.shopCategoryId}
</if>
<if
test="shopCondition.shopCategory != null
and shopCondition.shopCategory.parent!=null
and shopCondition.shopCategory.parent.shopCategoryId!=null">
and s.shop_category_id in (select shop_category_id from
tb_shop_category
WHERE parent_id =
#{shopCondition.shopCategory.parent.shopCategoryId})
</if>
<if
test="shopCondition.area!=null and shopCondition.shopCategory.areaId!=null">
and shop_area_id = #{shopCondition.area.areaId}
</if>
<if test="shopCondition.shopName!=null">
and s.shop_name like ‘%${shopCondition.shopName}%‘
</if>
<if test="shopCondition.enableStatus!=null">
and s.enable_status = #{shopCondition.enableStatus}
</if>
<if
test="shopCondition.owner!=null and shopCondition.owner.userId!=null">
and s.owner_id = #{shopCondition.owner.userId}
</if>
AND
s.area_id = a.area_id
AND
s.shop_category_id = sc.shop_category_id
</where>
</select>
为了找出二级目录
<if
test="shopCondition.shopCategory != null
and shopCondition.shopCategory.parent!=null
and shopCondition.shopCategory.parent.shopCategoryId!=null">
and s.shop_category_id in (select shop_category_id from
tb_shop_category
WHERE parent_id =
#{shopCondition.shopCategory.parent.shopCategotyId})
</if>
shopListController.java
1 package com.ryanxu.o2o.web.frontend;
2
3 import java.util.ArrayList;
4 import java.util.HashMap;
5 import java.util.List;
6 import java.util.Map;
7
8 import javax.servlet.http.HttpServletRequest;
9
10 import org.springframework.beans.factory.annotation.Autowired;
11 import org.springframework.stereotype.Controller;
12 import org.springframework.web.bind.annotation.RequestMapping;
13 import org.springframework.web.bind.annotation.RequestMethod;
14 import org.springframework.web.bind.annotation.ResponseBody;
15
16 import com.ryanxu.o2o.dto.ShopExecution;
17 import com.ryanxu.o2o.entity.Area;
18 import com.ryanxu.o2o.entity.Shop;
19 import com.ryanxu.o2o.entity.ShopCategory;
20 import com.ryanxu.o2o.service.AreaService;
21 import com.ryanxu.o2o.service.ShopCategoryService;
22 import com.ryanxu.o2o.service.ShopService;
23 import com.ryanxu.o2o.util.HttpServletRequestUtil;
24
25 @Controller
26 @RequestMapping(value="/frontend")
27 public class ShopListController {
28 @Autowired
29 private AreaService areaService;
30 @Autowired
31 private ShopCategoryService shopCategoryService;
32 @Autowired
33 private ShopService shopService;
34
35 /**
36 * 返回商品列表页里的ShopCategory列表（二级或一级），以及区域信息列表
37 *
38 * @param request
39 * @return
40 */
41 @RequestMapping(value = "/listshopspageinfo",method=RequestMethod.GET)
42 @ResponseBody
43 private Map<String, Object> listShopsPageInfo(HttpServletRequest request){
44 Map<String, Object> modelMap = new HashMap<String,Object>();
45 //试着从前端请求中获取parentId
46 long parentId = HttpServletRequestUtil.getLong(request, "parentId");
47 List<ShopCategory> shopCategoryList = new ArrayList<ShopCategory>();
48
49 if(parentId != -1) {
50 //如果存在parentId，则取出该一级ShopCategory下的二级ShopCategory列表
51 try {
52 ShopCategory shopCategoryCondition = new ShopCategory();
53 ShopCategory parent = new ShopCategory();
54 parent.setShopCategoryId(parentId);
55 shopCategoryCondition.setParent(parent);
56 shopCategoryList = shopCategoryService.getShopCategoryList(shopCategoryCondition);
57 }catch (Exception e) {
58 modelMap.put("success", false);
59 modelMap.put("errMsg", e.getMessage());
60 }
61 }else {
62 try {
63 //如果parentId不存在，则取出所有一级ShopCategory（用户在首页选择的是全部商品列表）
64 shopCategoryList = shopCategoryService.getShopCategoryList(null);
65 }catch (Exception e) {
66 modelMap.put("success", false);
67 modelMap.put("errMsg", e.getMessage());
68 }
69 }
70 modelMap.put("shopCategoryList", shopCategoryList);
71 List<Area> areaList = null;
72 try {
73 //获取区域列表信息
74 areaList = areaService.getAreaList();
75 modelMap.put("areaList", areaList);
76 modelMap.put("success", true);
77 return modelMap;
78 }catch (Exception e) {
79 modelMap.put("success", false);
80 modelMap.put("errMsg", e.getMessage());
81 }
82 return modelMap;
83 }
84
85 /**
86 * 获取指定查询条件下的店铺列表
87 *
88 * @param request
89 * @return
90 */
91 @RequestMapping(value="/listshops",method = RequestMethod.GET)
92 @ResponseBody
93 private Map<String, Object> listShops(HttpServletRequest request){
94 Map<String, Object> modelMap = new HashMap<String,Object>();
95 //获取页码
96 int pageIndex = HttpServletRequestUtil.getInt(request, "pageIndex");
97 //获取一页所需显示的数据条数
98 int pageSize = HttpServletRequestUtil.getInt(request, "pageSize");
99 //非空判断
100 if((pageIndex > -1)&&(pageSize > -1)) {
101 //试着获取一级类别Id
102 long parentId = HttpServletRequestUtil.getLong(request, "parentId");
103 //试着获取特定二级类别Id
104 long shopCategoryId = HttpServletRequestUtil.getLong(request, "shopCategoryId");
105 //试着获取区域Id
106 int areaId = HttpServletRequestUtil.getInt(request, "areaId");
107 //试着获取模糊查询的名字
108 String shopName = HttpServletRequestUtil.getString(request, "shopName");
109 //获取组合之后的查询条件
110 Shop shopCondition = compactShopCondition4Search(parentId,shopCategoryId,areaId,shopName);
111 //根据查询条件和分页信息获取店铺列表，并返回总数
112 ShopExecution se = shopService.getShopList(shopCondition, pageIndex, pageSize);
113 modelMap.put("shopList", se.getShopList());
114 modelMap.put("count", se.getCount());
115 modelMap.put("success", true);
116 }else {
117 modelMap.put("success", false);
118 modelMap.put("errMsg", "empty pageSize or pageIndex");
119 }
120 return modelMap;
121 }
122
123 /**
124 * 组合查询条件，并将条件封装到ShopCondition对象里返回
125 *
126 * @param parentId
127 * @param shopCategoryId
128 * @param areaId
129 * @param shopName
130 * @return
131 */
132 private Shop compactShopCondition4Search(long parentId, long shopCategoryId, int areaId, String shopName) {
133 Shop shopCondition = new Shop();
134 if(parentId != -1L) {
135 //查询某一个一级ShopCategory下面的所有二级ShopCategory里面的店铺列表
136 ShopCategory childCategory = new ShopCategory();
137 ShopCategory parentCategory = new ShopCategory();
138 parentCategory.setShopCategoryId(parentId);
139 childCategory.setParent(parentCategory);
140 shopCondition.setShopCategory(childCategory);
141 }
142 if(shopCategoryId != -1L) {
143 //查询某个二级ShopCategory下面的店铺列表
144 ShopCategory shopCategory = new ShopCategory();
145 shopCategory.setShopCategoryId(shopCategoryId);
146 shopCondition.setShopCategory(shopCategory);
147 }
148 if(areaId != -1L) {
149 //查询位于某个区域Id下的店铺列表
150 Area area = new Area();
151 area.setAreaId(areaId);
152 shopCondition.setArea(area);
153 }
154 if(shopName != null ) {
155 //查询名字里包含shopName的店铺列表
156 shopCondition.setShopName(shopName);
157 }
158 //前端展示的店铺都是审核通过的店铺
159 shopCondition.setEnableStatus(1);
160 return shopCondition;
161 }
162 }
第二个if相当于这样 shop表里的
原文地址：https://www.cnblogs.com/windbag7/p/9425997.html
时间： 2024-11-09 15:27:02