从excel获取数据写入txt文本中
import java.io.File;import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
public class ParseInTxt {
private File result = null;
private FileWriter writer;
private PrintWriter pw;
boolean bool;
// path动态指定路径
public void createTxT(String path){ // 创建新的txt数据文件
bool = false;
result = new File(path);
try {
result.createNewFile();// 在本地创建一个txt文件
bool = true;
} catch (IOException e) {
bool = false;
System.err.println(e);
}
if(bool){
try {
writer = new FileWriter(path);
} catch (IOException e) {
System.err.println(e);
}
try {
pw = new PrintWriter(path);
} catch (FileNotFoundException e) {
System.err.println(e);
}
}
}
public void aLine(List<Info> in) { //写入一个List集
for(int i=0;i<in.size();i++){
pw.println(in.get(i).getUserName()+" "+in.get(i).getUserPass());
}
}
/*public void aLint(String in){// 写入一行
pw.println(in);
}*/
public void finish() { //关闭输入流，将文字从缓存写入文件
try{
pw.flush();
writer.close();
}catch (IOException iox){
System.err.println(iox);
}
}
public static List<Info> readExcel(String pathname) {
List<Info> list = new ArrayList<Info>();
try {
//打开文件 6
Workbook book = Workbook.getWorkbook(new File(pathname)) ;
//取得第一个sheet
Sheet sheet = book.getSheet(0);
//取得行数
int rows = sheet.getRows();
for(int i = 1; i < rows; i++) {
Info info = new Info();
//getCell(列，行)
info.setUserName(sheet.getCell(0,i).getContents());
System.out.println("用户名："+sheet.getCell(0,i).getContents());
info.setUserPass(sheet.getCell(1,i).getContents());
System.out.println("密码："+sheet.getCell(1,i).getContents());
info.setTrueName(sheet.getCell(2,i).getContents());
System.out.println("真实名称："+sheet.getCell(2,i).getContents());
list.add(info);
}
//关闭文件
book.close();
} catch (BiffException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return list;
}
public static void main(String[] args) {
ParseInTxt c = new ParseInTxt();
c.createTxT("C:\\myTest.txt");//需要生成的文件路径
List<Info> in=readExcel("D:\\test.xls");
c.aLine(in);//list类型
c.finish();
}
}
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