package demo;import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;public class excelToSql {public static void executeInfo() throws IOException{String filePath = "D:/FavoriteVideo/testExcel.xlsx";    //指定本地的数据目录String slqPath = "D:/FavoriteVideo/testSql.sql";    //指定生成文件目录try {InputStream in = new FileInputStream(filePath);Workbook wb = new XSSFWorkbook(in);in.close();String sql = "";Sheet sheetAt = wb.getSheetAt(0);int lastRowNum = sheetAt.getLastRowNum();Map map = new HashMap();sql = "";List<ExcelBean> excelBean = getExcelBean(sql, sheetAt, lastRowNum);Map<String,String> map1 =new HashMap<>();for(ExcelBean bean :excelBean){map1.put(bean.getTestName(),bean.getUser_());}Iterator<Map.Entry<String, String>> it = map1.entrySet().iterator();while (it.hasNext()) {Map.Entry<String, String> entry = it.next();System.out.println("key= " + entry.getKey() + " and value= " + entry.getValue());sql += String.format("INSERT IGNORE INTO `test_table_info` (`testName`, `updateTime`, `createTime`, `user_`) VALUES ('%s', now(), now(), '%s');\n", entry.getKey(), entry.getValue());}System.out.println(map1);System.out.println(map1.size());File file = new File(slqPath);if(!file.exists()){file.createNewFile();}byte[] bytes = sql.getBytes();OutputStream os = new FileOutputStream(slqPath);os.write(bytes);os.flush();os.close();System.out.println("sheets");} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}private static List<ExcelBean> getExcelBean(String sql, Sheet sheetAt, int lastRowNum) {List<ExcelBean> list = new ArrayList<>();for (int rowNum=0; rowNum <= lastRowNum; rowNum++){ExcelBean bean = new ExcelBean();    //创建一个单独Bean、System.out.println("rowNum = "+rowNum);Row row = sheetAt.getRow(rowNum);String testName = "";String user_ = "";if (row != null){Cell cell = row.getCell(0);if (cell != null) {testName = cell.getStringCellValue();bean.setTestName(testName);}cell = row.getCell(1);if (cell != null) {user_ = cell.getStringCellValue();bean.setUser_(user_);}/*** 更多列在这里补充*/}list.add(bean);}return list;}public static void main(String args[]) throws IOException{long startTime = System.currentTimeMillis();executeInfo();long endTime = System.currentTimeMillis();System.out.println("耗时为m:" + (endTime - startTime)/1000);}}