java把excel内容上传到mysql实例代码-创新互联
mysql 表列名 num1,num2,num3,num4,num5,num6 表名Excle
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package com.web.connection; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.poi.hssf.usermodel.HSSFCell; import org.apache.poi.hssf.usermodel.HSSFRow; import org.apache.poi.hssf.usermodel.HSSFSheet; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.apache.poi.xssf.usermodel.XSSFCell; import org.apache.poi.xssf.usermodel.XSSFRow; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; public class TestExcel { //记录类的输出信息 static Log log = LogFactory.getLog(TestExcel.class); //获取Excel文档的路径 //.xlsx文件用XSSFWorkbook .xlx 用HSSFWorkbook public static String filePath = "D://demoExcel.xlsx"; public static void main(String[] args) { try { // 创建对Excel工作簿文件的引用 XSSFWorkbook wookbook = new XSSFWorkbook(new FileInputStream(filePath)); // 在Excel文档中,第一张工作表的缺省索引是0 // 其语句为:HSSFSheet sheet = workbook.getSheetAt(0); XSSFSheet sheet = wookbook.getSheet("Sheet1"); //获取到Excel文件中的所有行数 int rows = sheet.getPhysicalNumberOfRows(); //遍历行 for (int i = 0; i < rows; i++) { // 读取左上端单元格 XSSFRow row = sheet.getRow(i); // 行不为空 if (row != null) { //获取到Excel文件中的所有的列 int cells = row.getPhysicalNumberOfCells(); String value = ""; //遍历列 for (int j = 0; j < cells; j++) { //获取到列的值 XSSFCell cell = row.getCell(j); if (cell != null) { switch (cell.getCellType()) { case HSSFCell.CELL_TYPE_FORMULA: break; case HSSFCell.CELL_TYPE_NUMERIC: value += cell.getNumericCellValue() + ","; break; case HSSFCell.CELL_TYPE_STRING: value += cell.getStringCellValue() + ","; break; default: value += "0"; break; } } } // 将数据插入到mysql数据库中 String[] val = value.split(","); TestEntity entity = new TestEntity(); entity.setNum1(val[0]); entity.setNum2(val[1]); entity.setNum3(val[2]); entity.setNum4(val[3]); entity.setNum5(val[4]); entity.setNum6(val[5]); TestMethod method = new TestMethod(); int a=method.add(entity); if(a>0){ System.out.println("插入成功"); } else{ System.out.println("插入失败"); } } } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } }
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