import java.io.File;
import java.io.IOException;
import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
import jxl.write.Label;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;
/**
*
* @ClassName: ExcelOperate
* @Description: TODO(使用jxl简单实现Excel导入导出)
* @date 2016年8月3日 下午2:12:53
*
*/
public class ExcelOperate {
public static void main(String[] args) {
//writeToFile();
// /this.readFromFile();
}
int col=100,row =100;
/**
*
* @Title: ExcelOperate
* @Description: TODO(读取excel文件里的内容)
* @param @param path 设定文件
* @return @param path 返回类型
* @throws
*/
public boolean readExcel(String path){
boolean flag=false;
File file = new File(path);
// File file = new File("C:/Users/Administrator/Desktop/mmonitor.xls");
StringBuffer sb = new StringBuffer();
try {
Workbook book = Workbook.getWorkbook(file);//拿到excel工作空间
try{
Sheet sheet = book.getSheet(0);
col = book.getSheet(0).getColumns();//获取excel文件有列
row = book.getSheet(0).getRows();//获取excel文件有行
System.out.println(col+"=="+row);
for(int i = 1 ; i < col ; i++){
for(int j = 1 ; j <row ; j++){
//第一个参数代表列，第二个参数代表行。(默认起始值都为0)
try{
Cell jj =sheet.getCell(j, i);//获取excel单个格子
if(jj!=null){
String cont=jj.getContents();//获取格子的内容
sb.append(cont+"\t");
System.out.println(cont);
}
}catch(Exception e){
System.out.println("这个表格没有值");
}
}
sb.append("\n");
}
flag=true;
//System.out.println(sb);
}finally{
if(book != null){
book.close();
}
}
} catch (BiffException e) {
System.err.println(e+"");
} catch (IOException e) {
System.err.println(e+"文件读取错误");
}
return flag;
}//end readFromFile
//witeToFile
public void writeToFile(){
File file = new File("C:/Users/Administrator/Desktop/mmonitor.xls");
try {
WritableWorkbook book = Workbook.createWorkbook(file);
//创建一个工作区。(默认的excel文件有三个sheet,在excel的左下角可以看到sheet1/sheet2/sheet3）
WritableSheet sheet = book.createSheet("第一页", 0);
//在工作区上面添加内容
try {
for(int i = 0; i < 10 ; i ++ ){
for(int j = 0 ; j < 10 ; j++){
Label newLabel;
if(0 == i){
//第一个参数代表列，第二个参数代表行(默认起始值都为0),第三个参数是要在单元格里面填写的内容发
newLabel = new Label(j,i,String.valueOf("的"));
}else if(0 == j){
newLabel = new Label(j,i,String.valueOf("的"));
}else{
newLabel = new Label(j,i,String.valueOf("的"));
}
//在单元格上面添加注释
// WritableCellFeatures cellFeatures = new WritableCellFeatures();
// cellFeatures.setComment("这里是"+i+"*"+j+"的值");
// System.out.println("这里是"+i+"*"+j+"的值");
// newLabel.setCellFeatures(cellFeatures);
sheet.addCell(newLabel);
}
}
} catch (RowsExceededException e) {
System.err.println(e+"行或列参数错误！");
} catch (WriteException e) {
System.err.println(e+"写入失败");
}finally{
if(book != null){
book.write();
try {
book.close();
} catch (WriteException e) {
System.err.println(e+"文件关闭失败！");
}
}
}
} catch (IOException e) {
System.err.println(e+"创建文件失败！");
}
}
}
