最近公司好多計算邏輯通過ognl表達式操作,需要將ongl配置到表中,每天寫入很多,深感眼睛的疲憊,所以想到以前做的導入excel數據的功能,利用這個實現了一個自動生成相應sql的程序
首先引入相應的jar包
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.8</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.8</version>
</dependency>
<!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.2</version>
</dependency>
通過poi實現excel數據讀取
package com.mk.sql.contorller;
import com.mk.sql.util.FileUpload;
import com.mk.sql.util.PathUtil;
import com.mk.sql.util.ReadExcelUtil;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Map;
/**
* @author xuzn @ClassName: RExcelController @ProjectName generator_sql
* @date 2020/5/20/10:45 下午
*/
@Controller
@RequestMapping(value = "/excel")
public class RExcelController {
public static final String FILEPATHFILE = "uploadFiles/file/";
/** 從EXCEL導入到數據庫 */
@RequestMapping(value = "/readExcel")
@ResponseBody
public String readExcel(@RequestParam(value = "excel", required = false) MultipartFile file) {
String ret = "success";
if (null != file && !file.isEmpty()) {
// 判斷excel文件是03版本還是07版本
String filePath = PathUtil.getClasspath() + FILEPATHFILE; // 文件上傳路徑
String fileName = FileUpload.fileUp(file, filePath, "excel"); // 執行上傳
List<Map<String, Object>> list = ReadExcelUtil.readExcel(filePath, fileName, 1, 0, 0);
if (list.size() == 0) {
ret = "list size is 0";
return ret;
}
Date date = new Date();
DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String dateStr = dateFormat.format(date);
/** */
for (int i = 0; i < list.size(); i++) {
try {
String id = list.get(i).get("var" + 0).toString();
String no = list.get(i).get("var" + 1).toString();
String desc = list.get(i).get("var" + 2).toString();
String name = list.get(i).get("var" + 3).toString();
Object o = list.get(i).get("var" + 4);
String value = "";
if (o != null && !"".equals(o)) {
value = o.toString();
}
String type = list.get(i).get("var" + 5).toString();
String calculate = list.get(i).get("var" + 6).toString();
String str =
"insert into `scdata`.`strategy` ( `pkid`,`id`, `strategy_no`, `channel_id`, `group_no`, `status`, `strategy_name`, `create_time`,"
+ " `update_time`, `desc`, `direct_key`, `direct_key_type`, `ognl_value`, `strategy_logic`) values "
+ "( '"
+ no
+ "', '"
+ no
+ "','"
+ no
+ "', '"
+ id
+ "', '1', '1', '"
+ calculate
+ "', '"
+ dateStr
+ "', '"
+ dateStr
+ "', "
+ "'"
+ desc
+ "', '"
+ name
+ "', '"
+ type
+ "', '"
+ value
+ "', '"
+ desc
+ "');";
System.out.println(str);
} catch (Exception e) {
ret = "fail";
return ret;
}
}
}
return ret;
}
}
其實如果不是經常操作插入sql的話,這個程序沒有什麼卵用,感興趣的朋友可以下載下來看看,2個積分,如果感覺不合理,可以私信我.
資源地址在此
