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src/main/java/com/sqx/modules/search/Response/SearchResponse.java

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+package com.sqx.modules.search.Response;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class SearchResponse implements Serializable {
+
+    //用户的搜索记录
+    List<String> userSearchName = new ArrayList<>();
+    //所有搜索记录前几名
+    List<String> AllSerchName = new ArrayList<>();
+
+
+}

src/main/java/com/sqx/modules/search/controller/SearchController.java

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+package com.sqx.modules.search.controller;
+
+import com.sqx.common.utils.Result;
+import com.sqx.modules.search.entity.Search;
+import com.sqx.modules.search.service.SearchService;
+import com.sqx.modules.sys.controller.AbstractController;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@Api(value = "搜索记录", tags = {"搜索记录"})
+@RequestMapping(value = "/search")
+public class SearchController extends AbstractController {
+    @Autowired
+    private SearchService searchService;
+    @PostMapping("/insertSearch")
+    @ApiOperation("记录搜索信息")
+    public Result insertSearch(@RequestBody Search search){
+        return searchService.insertSearch(search);
+    }
+    @GetMapping("/selectByUserId")
+    @ApiOperation("查看搜索信息")
+    public Result selectByUserId(Long userId){
+        return searchService.selectByUserId(userId);
+    }
+
+    @GetMapping("/deleteById")
+    @ApiOperation("删除搜索信息")
+    public Result deleteById(Long id){
+        return searchService.deleteById(id);
+    }
+
+
+
+
+
+
+
+
+
+
+
+
+}

src/main/java/com/sqx/modules/search/controller/app/AppSearchController.java

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+package com.sqx.modules.search.controller.app;
+
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.sqx.common.utils.Result;
+import com.sqx.modules.app.annotation.Login;
+import com.sqx.modules.app.entity.App;
+import com.sqx.modules.search.entity.Search;
+import com.sqx.modules.search.service.AppSearchService;
+import com.sqx.modules.search.service.SearchService;
+import lombok.AllArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.*;
+
+/**
+ * 搜索记录
+ *
+ * @author liyuan
+ * @since 2021-07-17
+ */
+@RestController
+@RequestMapping("app/appSearchController")
+@AllArgsConstructor
+@Slf4j
+public class AppSearchController {
+
+    private AppSearchService appSearchService;
+    /**
+     * 查询搜索记录
+     */
+    @Login
+    @RequestMapping(value = "/selectAppSearchNum", method = RequestMethod.GET)
+    public Result selectAppSearchNum(@RequestAttribute Long userId) {
+        return appSearchService.selectAppSearchNum(userId);
+    }
+
+    /**
+     * 删除用户的搜索记录
+     */
+    @Login
+    @RequestMapping(value = "/deleteAppSearch", method = RequestMethod.GET)
+    public Result deleteAppSearch(@RequestAttribute Long userId) {
+        return appSearchService.deleteAppSearch(userId);
+    }
+
+
+
+}

src/main/java/com/sqx/modules/search/dao/AppSearchDao.java

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+package com.sqx.modules.search.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.sqx.common.utils.Result;
+import com.sqx.modules.search.entity.Search;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Mapper
+public interface AppSearchDao extends BaseMapper<Search> {
+
+    /**
+     * 经常搜索的名称
+     *
+     * @return
+     */
+    List<String> selectAppSearchNum();
+
+    /**
+     * 删除用户的搜索记录
+     */
+    int deleteAppSearch(Long userId);
+}

src/main/java/com/sqx/modules/search/dao/SearchDao.java

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+package com.sqx.modules.search.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.sqx.modules.search.entity.Search;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface SearchDao extends BaseMapper<Search> {
+}

src/main/java/com/sqx/modules/search/entity/Search.java

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+package com.sqx.modules.search.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.io.Serializable;
+@Data
+@TableName("search")
+public class Search implements Serializable {
+    private static final long serialVersionUID = 1L;
+    /**
+     * 搜索id
+     */
+    @TableId(type = IdType.AUTO)
+    private Long searchId;
+    /**
+     * 搜索名称
+     */
+    private String searchName;
+    /**
+     * 用户
+     */
+    private Long userId;
+
+    /**
+     * 更新时间
+     */
+    @TableField("update_time")
+    private String updateTime;
+
+    public Search() {}
+}

src/main/java/com/sqx/modules/search/service/AppSearchService.java

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+package com.sqx.modules.search.service;
+
+import com.sqx.common.utils.Result;
+import com.sqx.modules.search.entity.Search;
+import org.springframework.web.bind.annotation.RequestAttribute;
+
+/**
+ * app搜索
+ */
+public interface AppSearchService {
+
+    Result insetAppSearch(String searchName, Long userId);
+
+    Result  selectAppSearchNum(Long userId);
+
+    Result deleteAppSearch( Long userId);
+}

src/main/java/com/sqx/modules/search/service/SearchService.java

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+package com.sqx.modules.search.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.sqx.common.utils.Result;
+import com.sqx.modules.search.entity.Search;
+
+public interface SearchService extends IService<Search> {
+    Result insertSearch(Search search);
+    Result selectByUserId(Long userId);
+    Result deleteById(Long id);
+}

src/main/java/com/sqx/modules/search/service/impl/AppSearchServiceImpl.java

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+package com.sqx.modules.search.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.Wrapper;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.sqx.common.utils.Result;
+import com.sqx.modules.search.Response.SearchResponse;
+import com.sqx.modules.search.dao.AppSearchDao;
+import com.sqx.modules.search.entity.Search;
+import com.sqx.modules.search.service.AppSearchService;
+import com.sqx.modules.search.service.SearchService;
+import lombok.AllArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+
+
+@Service
+@AllArgsConstructor
+public class AppSearchServiceImpl extends ServiceImpl<AppSearchDao, Search> implements AppSearchService {
+    private AppSearchDao appSearchDao;
+    private SearchService searchService;
+
+    /**
+     * 记录用户搜索的内容
+     *
+     *
+     * @param userId
+     * @return
+     */
+    @Override
+    public Result insetAppSearch(String searchName, Long userId) {
+        //判断传过来的搜索信息不为空
+        if (searchName != null) {
+            //去查询用户搜索内容是否有重复
+            QueryWrapper<Search> queryWrapper = new QueryWrapper<>();
+            queryWrapper.eq("search_name", searchName);
+            queryWrapper.eq("user_id", userId);
+            Search search1 = baseMapper.selectOne(queryWrapper);
+            //有重复则更新改变时间
+            if (search1 != null) {
+                SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+                search1.setUpdateTime(simpleDateFormat.format(new Date()));
+                int i = baseMapper.updateById(search1);
+                if (i > 0) {
+                    return Result.success("更新成功!");
+                } else {
+                    return Result.error("更新失败!");
+                }
+            } else {
+                //没有则记录
+                Search search=new Search();
+                       search.setUserId(userId);
+                       search.setSearchName(searchName);
+                int count = baseMapper.insert(search);
+                if (count > 0) {
+                    return Result.success("记录成功!");
+                } else {
+                    return Result.error("记录失败!");
+                }
+            }
+
+        } else {
+            return Result.error("搜索信息为空！");
+        }
+    }
+
+    /**
+     * 经常搜索的名称
+     *
+     * @return
+     */
+    @Override
+    public Result selectAppSearchNum(Long userId) {
+        //经常搜索的名称
+        List<String> list = appSearchDao.selectAppSearchNum();
+        //用户经常搜索的名称
+        Result result = searchService.selectByUserId(userId);
+        //创建返回对象
+        SearchResponse searchResponse = new SearchResponse();
+        searchResponse.setAllSerchName(list);
+        List<Search> searches = (List<Search>) result.get("data");
+        for (Search search : searches) {
+            searchResponse.getUserSearchName().add(search.getSearchName());
+        }
+
+        return Result.success().put("data", searchResponse);
+    }
+
+    /**
+     * 删除用户的搜索记录
+     *
+     * @param userId
+     * @return
+     */
+    @Override
+    public Result deleteAppSearch(Long userId) {
+        int count = appSearchDao.deleteAppSearch(userId);
+        if (count > 0) {
+            return Result.success("删除成功！");
+        } else {
+            return Result.error("删除失败！");
+        }
+    }
+}

src/main/java/com/sqx/modules/search/service/impl/SearchServiceImpl.java

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+package com.sqx.modules.search.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.sqx.common.utils.Result;
+import com.sqx.modules.search.dao.SearchDao;
+import com.sqx.modules.search.entity.Search;
+import com.sqx.modules.search.service.SearchService;
+import org.springframework.stereotype.Service;
+
+@Service
+public class SearchServiceImpl extends ServiceImpl<SearchDao, Search> implements SearchService {
+    @Override
+    public Result insertSearch(Search search) {
+        baseMapper.insert(search);
+        return Result.success();
+    }
+
+    @Override
+    public Result selectByUserId(Long userId) {
+        QueryWrapper<Search> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("user_id",userId);
+        return Result.success().put("data",baseMapper.selectList(queryWrapper));
+    }
+
+    @Override
+    public Result deleteById(Long id) {
+        baseMapper.deleteById(id);
+        return Result.success();
+    }
+}