作者：张哲

时间：2023/05/11
类型：优化
描述：里程碑(1) 导出模版

src/main/java/com/redxun/knowledge/common/UserService.java

@@ -8,14 +8,25 @@ import com.redxun.dto.user.OsGroupDto;
 import com.redxun.dto.user.OsUserDto;
 import com.redxun.feign.org.OrgClient;
 import com.redxun.feign.org.UserClient;
+import com.redxun.knowledge.entity.vo.UserInfoVo;
+import com.redxun.knowledge.mapper.CommonMapper;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.xssf.usermodel.XSSFSheet;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
+import java.util.Arrays;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 /**
  * 文件名: UserService
@@ -36,6 +47,9 @@ public class UserService {
     @Autowired
     private OrgClient orgClient;
 
+    @Autowired
+    private CommonMapper commonMapper;
+
     @Value("${uploaderHead.male}")
     private String male;
 
@@ -168,4 +182,61 @@ public class UserService {
     }
 
 
+    public void downLoadXlsx(HttpServletResponse response) {
+        try {
+            //创建一个空的工作薄
+            XSSFWorkbook workbook = new XSSFWorkbook();
+            //在工作薄中创建一个工作表
+            XSSFSheet sheet = workbook.createSheet("知识创建统计");
+            //设置列宽
+            sheet.setColumnWidth(0, 5 * 256);
+            sheet.setColumnWidth(1, 8 * 256);
+            sheet.setColumnWidth(2, 15 * 256);
+            sheet.setColumnWidth(3, 15 * 256);
+            sheet.setColumnWidth(4, 30 * 256);
+            //处理标题
+            String[] titles = new String[]{"用户名", "创建数量", "部门信息"};
+
+            //创建标题行
+            Row titleRow = sheet.createRow(0);
+            Cell cell = null;
+            for (int i = 0; i < titles.length; i++) {
+                cell = titleRow.createCell(i);
+                cell.setCellValue(titles[i]);
+            }
+            //处理内容
+            List<UserInfoVo> userList = commonMapper.findUserInfo();
+            int rowIndex = 1;
+            Row row = null;
+            for (UserInfoVo user : userList) {
+                row = sheet.createRow(rowIndex);
+                cell = row.createCell(0);
+                cell.setCellValue(user.getFullName());
+
+                cell = row.createCell(1);
+                cell.setCellValue(user.getCount());
+
+                cell = row.createCell(2);
+                String deptPath = user.getPath();
+                if (StringUtils.isNotEmpty(deptPath)) {
+                    deptPath = deptPath.substring(deptPath.indexOf(".") + 1);
+                    String[] split = deptPath.split("\\.");
+                    String pathName = Arrays.stream(split).map(e -> this.findDeptByDeptId(e).getName()).collect(Collectors.joining(">"));
+                    cell.setCellValue(pathName);
+                }
+
+                rowIndex++;
+            }
+            //导出的文件名称
+            String filename = "创建知识数据.xlsx";
+            //设置文件的打开方式和mime类型
+            ServletOutputStream outputStream = response.getOutputStream();
+            response.setHeader("Content-Disposition", "attachment;filename=" +
+                    new String(filename.getBytes(), "ISO8859-1"));
+            response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+            workbook.write(outputStream);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
 }

src/main/java/com/redxun/knowledge/controller/TestController.java

@@ -21,6 +21,7 @@ import org.springframework.web.bind.annotation.*;
 
 import javax.annotation.Resource;
 import javax.print.attribute.standard.JobSheets;
+import javax.servlet.http.HttpServletResponse;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -134,5 +135,11 @@ public class TestController extends BaseController {
         return jsonResult;
     }
 
+    @GetMapping(value = "/downLoadXlsxByPoi",name = "使用POI下载Excle")
+    public void downLoadXlsx(HttpServletResponse response) throws Exception{
+        userService.downLoadXlsx(response);
+    }
+
+
 
 }

src/main/java/com/redxun/knowledge/entity/vo/UserInfoVo.java

@@ -0,0 +1,29 @@
+package com.redxun.knowledge.entity.vo;
+
+import cn.afterturn.easypoi.excel.annotation.Excel;
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * 文件名: UserInfoVo
+ * 作者: zizg
+ * 时间: 2023/5/15
+ * 描述:
+ * 修改人:
+ * 修改时间:
+ * 修改内容:
+ */
+@Data
+public class UserInfoVo implements Serializable {
+
+
+    @Excel(name = "用户名",orderNum = "0",width = 15)
+    private String fullName;
+
+    @Excel(name = "创建数量",orderNum = "1",width = 15)
+    private Integer count;
+
+    @Excel(name = "部门信息",orderNum = "2",width = 100)
+    private String path;
+}

src/main/java/com/redxun/knowledge/mapper/CommonMapper.java

@@ -4,6 +4,7 @@ import com.redxun.common.base.db.BaseDao;
 import com.redxun.knowledge.entity.dao.CommonEntity;
 import com.redxun.knowledge.entity.vo.DicVo;
 import com.redxun.knowledge.entity.vo.PositionSequenceVo;
+import com.redxun.knowledge.entity.vo.UserInfoVo;
 import org.apache.ibatis.annotations.Mapper;
 
 import java.util.List;
@@ -18,4 +19,6 @@ public interface CommonMapper extends BaseDao<CommonEntity> {
     List<PositionSequenceVo> queryPositionSequence();
 
     List<DicVo> queryDic(String alias);
+
+    List<UserInfoVo> findUserInfo();
 }

src/main/resources/mapper/knowledge/CommonMapper.xml

@@ -37,6 +37,15 @@
             ORDER BY update_time_ DESC
         </if>
     </select>
+
+    <select id="findUserInfo" resultType="com.redxun.knowledge.entity.vo.UserInfoVo">
+        select FULLNAME_ fullName,count(*) count ,PATH_ path from KM_KNOWLEDGE knowledge
+        join LEARNING_USER_DEV.OS_GROUP groups
+        on groups.GROUP_ID_ = knowledge.CREATE_DEP_ID_
+        join LEARNING_USER_DEV.OS_USER users
+        on knowledge.CREATE_BY_ = users.USER_ID_
+        group by knowledge.CREATE_BY_,FULLNAME_,PATH_,NAME_
+    </select>
 </mapper>