java通过jxl.jar实现excel导入导出
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
import jxl.write.Label;
import jxl.write.WritableImage;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;
public class CopyOfReaderDate {
public void execute(String sql) {
try {
Class.forName("com.mysql.jdbc.Driver");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Connection conn = null;
try {
conn = DriverManager.getConnection(
"jdbc:mysql://localhost:3306/ssh", "root", "123456");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
PreparedStatement ps = conn.prepareStatement(sql);
ps.execute();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
conn.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* 把excel的数据存入数据库
*/
public void executeAll() {
try {
Class.forName("com.mysql.jdbc.Driver");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Connection conn = null;
try {
conn = DriverManager.getConnection(
"jdbc:mysql://localhost:3306/ssh", "root", "123456");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
PreparedStatement ps = conn
.prepareStatement("insert into data(name) values(?)");
String str = readExcel();
String[] s = str.split("\\s");
System.out.println();
for (int j = 0; j < s.length; j++) {
// System.out.println(s.length);
System.out.println(s[j]);
// ps.setString(1, new String(s[j].getBytes("gbk"),"UTF-8"));
// ps.setString(1, new String(s[j].getBytes()));
if (s[j] != null && !"".equals(s[j])) {
ps.setString(1, s[j]);
ps.execute();
}
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
conn.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* 创建excel的数据 *
*
* @param fileName
*/
public void createExcel(String fileName) {
try {
WritableWorkbook wwb = Workbook.createWorkbook(new File(fileName));
WritableSheet sheet = wwb.createSheet("first", 0);
for (int i = 0; i < 10; i++) {
for (int j = 0; j < 5; j++) {
Label label = new Label(j, i, "这是第" + (i + 1) + "行，第"
+ (j + 1) + "列");
try {
sheet.addCell(label);
} catch (RowsExceededException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (WriteException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
wwb.write();
try {
wwb.close();
} catch (WriteException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* 读取excel中的数据，并在控制台输出
*
* @param fileName
*/
public String readExcel() {
String fileName = "e:/temp2/f.xls";
StringBuffer sb = new StringBuffer();
// List<Object> list = new ArrayList<Object>();
try {
Workbook wb = Workbook.getWorkbook(new File(fileName));
Sheet[] sheet = wb.getSheets();
for (int k = 0; k < sheet.length; k++) {
sb.append("\n" + sheet[k].getName() + "\n");
if (sheet[k] != null) {
for (int i = 0; i < sheet[k].getRows(); i++) {
Cell[] cells = sheet[k].getRow(i);
if (cells != null && cells.length > 0) {
for (int j = 0; j < cells.length; j++) {
String cellValue = cells[j].getContents();
// System.out.print(cellValue);
// System.out.println(cells[j].getType());
sb.append(cellValue + "\t");
// list.add(cellValue+ "\t");
}
}
sb.append("\r\n");
// list.add("\n");
}
}
}
} catch (BiffException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println(sb.toString());
// System.out.println(list.toString());
return sb.toString();
}
/**
* 把图片存入excel中
*
* @param filename
*/
public void writeImage(String filename) {
try {
WritableWorkbook wwb = Workbook.createWorkbook(new File(
"e:/temp2/f.xls"));
WritableSheet ws = wwb.createSheet("copysheet", 0);
File file = new File("E:/temp2/a.png");
// WritableImage image=new WritableImage(d, dg)
WritableImage i = new WritableImage(1, 4, 6, 18, file);
ws.addImage(i);
wwb.write();
try {
wwb.close();
} catch (WriteException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}