'commit'

src/main/java/com/dsideal/QingLong/MaxKB/Controller/MaxKbController.java

@@ -5,6 +5,7 @@ import com.dsideal.QingLong.Base.Model.BaseModel;
 import com.dsideal.QingLong.MaxKB.Model.MaxKbModel;
 import com.dsideal.QingLong.MaxKB.Service.Impl.MaxKbImpl;
 import com.dsideal.QingLong.MaxKB.Service.MaxKbService;
+import com.dsideal.QingLong.MaxKB.Util.ExportExcelUtil;
 import com.dsideal.QingLong.Util.CommonUtil;
 import com.dsideal.QingLong.Util.SessionKit;
 import com.jfinal.aop.Before;
@@ -17,7 +18,9 @@ import com.jfinal.plugin.activerecord.Record;
 import com.jfinal.ext.interceptor.GET;
 import com.jfinal.kit.StrKit;
 
+import java.io.File;
 import java.time.LocalDateTime;
+import java.util.List;
 import java.util.UUID;
 
 public class MaxKbController extends Controller {
@@ -101,4 +104,23 @@ public class MaxKbController extends Controller {
         kv.set("access_token", access_token);
         renderJson(kv);
     }
+
+    /**
+     * 导出Excel
+     *
+     * @param gather_regionc 县区名称，可以为空，表示全部
+     */
+    // http://10.10.21.20:9000/QingLong/maxkb/exportExcel?gather_regionc=直属代管
+    @Before(GET.class)
+    public void exportExcel(String gather_regionc) {
+        List<Record> list = mkm.SchoolClassStudentTeacherList(gather_regionc);
+        ExportExcelUtil exporter = new ExportExcelUtil();
+        //获取系统临时目录
+        String tmpDir = System.getProperty("java.io.tmpdir");
+        //使用guid生成一个临时文件名，然后拼接到tmpDir后面，生成完整的临时文件路径
+        String tmpFile = tmpDir + File.separator + UUID.randomUUID().toString() + ".xlsx";
+        exporter.exportToExcel(tmpFile, list);
+        //提供下载
+        renderFile(new File(tmpFile), gather_regionc + "统计报表.xlsx");
+    }
 }

src/main/java/com/dsideal/QingLong/MaxKB/Model/MaxKbModel.java

@@ -1,8 +1,11 @@
 package com.dsideal.QingLong.MaxKB.Model;
 
 import com.dsideal.QingLong.Const.DbConst;
+import com.jfinal.kit.Kv;
+import com.jfinal.kit.StrKit;
 import com.jfinal.plugin.activerecord.Db;
 import com.jfinal.plugin.activerecord.Record;
+import com.jfinal.plugin.activerecord.SqlPara;
 
 import java.time.LocalDateTime;
 import java.util.List;
@@ -121,7 +124,7 @@ public class MaxKbModel {
         Record record = getZsk(sourceZskName);
         if (record == null) {
             System.out.println(sourceZskName + "数据集不存在！");
-           return null;
+            return null;
         }
         //克隆出对象
         record = new Record().setColumns(record.getColumns());
@@ -275,4 +278,18 @@ public class MaxKbModel {
         String sql = "select * from application where \"desc\"=?";
         return Db.use(DbConst.MAXKB).findFirst(sql, person_id);
     }
+
+    /**
+     * 导出Excel
+     * @param gather_regionc
+     * @return
+     */
+    public List<Record> SchoolClassStudentTeacherList(String gather_regionc) {
+        Kv kv = Kv.create();
+        if (!StrKit.isBlank(gather_regionc)) {
+            kv.set("gather_regionc", gather_regionc);
+        }
+        SqlPara sqlPara = Db.getSqlPara("ExportExcel.SchoolClassStudentTeacherList", kv);
+        return Db.find(sqlPara);
+    }
 }

src/main/java/com/dsideal/QingLong/MaxKB/Util/ExportExcelUtil.java

@@ -1,4 +1,4 @@
-package Tools;
+package com.dsideal.QingLong.MaxKB.Util;
 
 import com.dsideal.QingLong.Util.PostgreSqlInit;
 import com.jfinal.kit.Kv;
@@ -11,7 +11,7 @@ import org.apache.poi.xssf.usermodel.*;
 import java.io.FileOutputStream;
 import java.util.List;
 
-public class ExportExcel {
+public class ExportExcelUtil {
 
     public void exportToExcel(String filePath, List<Record> list) {
         try (XSSFWorkbook workbook = new XSSFWorkbook()) {
@@ -155,7 +155,7 @@ public class ExportExcel {
         kv.set("gather_regionc","直属代管");
         SqlPara sqlPara = Db.getSqlPara("ExportExcel.SchoolClassStudentTeacherList",kv);
         List<Record> list = Db.find(sqlPara);
-        ExportExcel exporter = new ExportExcel();
+        ExportExcelUtil exporter = new ExportExcelUtil();
         exporter.exportToExcel("D:/学校统计数据.xlsx", list);
     }
 }