1、添加POI jar包到项目的lib目录下
2、Excel文件目录:d://excel.xls
3、数据库字段为:num1 num2 num3 num4 num5 num6
4、数据库名:blog
5、表名:test
6、编写类:连接mysql的字符串方法、插入的方法、实体类
1 import java.io.FileInputStream;
2 import java.io.FileNotFoundException;
3 import java.io.IOException;
4 import org.apache.commons.logging.Log;
5 import org.apache.commons.logging.LogFactory;
6 import org.apache.poi.hssf.usermodel.HSSFCell;
7 import org.apache.poi.hssf.usermodel.HSSFRow;
8 import org.apache.poi.hssf.usermodel.HSSFSheet;
9 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
10
11 public class TestExcel {
12 //记录类的输出信息
13 static Log log = LogFactory.getLog(TestExcel.class);
14 //获取Excel文档的路径
15 public static String filePath = "D://excel.xls";
16 public static void main(String[] args) {
17 try {
18 // 创建对Excel工作簿文件的引用
19 HSSFWorkbook wookbook = new HSSFWorkbook(new FileInputStream(filePath));
21 // 在Excel文档中,第一张工作表的缺省索引是0
22 // 其语句为:HSSFSheet sheet = workbook.getSheetAt(0);
23 HSSFSheet sheet = wookbook.getSheet("Sheet1");
25 //获取到Excel文件中的所有行数
26 int rows = sheet.getPhysicalNumberOfRows();
28 //遍历行
29 for (int i = 0; i < rows; i++) {
30 // 读取左上端单元格
31 HSSFRow row = sheet.getRow(i);
32 // 行不为空
33 if (row != null) {
34 //获取到Excel文件中的所有的列
35 int cells = row.getPhysicalNumberOfCells();
36 String value = "";
37 //遍历列
38 for (int j = 0; j < cells; j++) {
39 //获取到列的值
40 HSSFCell cell = row.getCell(j);
41 if (cell != null) {
42 switch (cell.getCellType()) {
43 case HSSFCell.CELL_TYPE_FORMULA:
44 break;
45 case HSSFCell.CELL_TYPE_NUMERIC:
46 value += cell.getNumericCellValue() + ",";
47 break;
48 case HSSFCell.CELL_TYPE_STRING:
49 value += cell.getStringCellValue() + ",";
50 break;
51 default:
52 value += "0";
53 break;
54 }
55 }
56 }
57 // 将数据插入到mysql数据库中
58 String[] val = value.split(",");
59 TestEntity entity = new TestEntity();
60 entity.setNum1(val[0]);
61 entity.setNum2(val[1]);
62 entity.setNum3(val[2]);
63 entity.setNum4(val[3]);
64 entity.setNum5(val[4]);
65 entity.setNum6(val[5]);
66 TestMethod method = new TestMethod();
67 method.Add(entity);
68 }
69 }
70 } catch (FileNotFoundException e) {
71 e.printStackTrace();
72 } catch (IOException e) {
73 e.printStackTrace();
74 }
75 }
76 }
2 import java.io.FileNotFoundException;
3 import java.io.IOException;
4 import org.apache.commons.logging.Log;
5 import org.apache.commons.logging.LogFactory;
6 import org.apache.poi.hssf.usermodel.HSSFCell;
7 import org.apache.poi.hssf.usermodel.HSSFRow;
8 import org.apache.poi.hssf.usermodel.HSSFSheet;
9 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
10
11 public class TestExcel {
12 //记录类的输出信息
13 static Log log = LogFactory.getLog(TestExcel.class);
14 //获取Excel文档的路径
15 public static String filePath = "D://excel.xls";
16 public static void main(String[] args) {
17 try {
18 // 创建对Excel工作簿文件的引用
19 HSSFWorkbook wookbook = new HSSFWorkbook(new FileInputStream(filePath));
21 // 在Excel文档中,第一张工作表的缺省索引是0
22 // 其语句为:HSSFSheet sheet = workbook.getSheetAt(0);
23 HSSFSheet sheet = wookbook.getSheet("Sheet1");
25 //获取到Excel文件中的所有行数
26 int rows = sheet.getPhysicalNumberOfRows();
28 //遍历行
29 for (int i = 0; i < rows; i++) {
30 // 读取左上端单元格
31 HSSFRow row = sheet.getRow(i);
32 // 行不为空
33 if (row != null) {
34 //获取到Excel文件中的所有的列
35 int cells = row.getPhysicalNumberOfCells();
36 String value = "";
37 //遍历列
38 for (int j = 0; j < cells; j++) {
39 //获取到列的值
40 HSSFCell cell = row.getCell(j);
41 if (cell != null) {
42 switch (cell.getCellType()) {
43 case HSSFCell.CELL_TYPE_FORMULA:
44 break;
45 case HSSFCell.CELL_TYPE_NUMERIC:
46 value += cell.getNumericCellValue() + ",";
47 break;
48 case HSSFCell.CELL_TYPE_STRING:
49 value += cell.getStringCellValue() + ",";
50 break;
51 default:
52 value += "0";
53 break;
54 }
55 }
56 }
57 // 将数据插入到mysql数据库中
58 String[] val = value.split(",");
59 TestEntity entity = new TestEntity();
60 entity.setNum1(val[0]);
61 entity.setNum2(val[1]);
62 entity.setNum3(val[2]);
63 entity.setNum4(val[3]);
64 entity.setNum5(val[4]);
65 entity.setNum6(val[5]);
66 TestMethod method = new TestMethod();
67 method.Add(entity);
68 }
69 }
70 } catch (FileNotFoundException e) {
71 e.printStackTrace();
72 } catch (IOException e) {
73 e.printStackTrace();
74 }
75 }
76 }