createtxt.java

java生成txt文件.将结果集生成一个txt文件。

package com.width.test;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

public class CreateTxt {

	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
//		long start = System.currentTimeMillis();
//		CreateTxt.create();
//        long end = System.currentTimeMillis();
//        System.out.println("耗时："+(end-start)+"ms");
		CreateTxt.del();
	}
	public static void create() throws IOException{
		FileOutputStream fos = new FileOutputStream("e:/test.txt");
		String test = "this is a test case for 10W.\r\n";
		for(int i=0;i<100000;i++){
		    fos.write(test.getBytes());
		}
        fos.close();
	}
	public static void del(){
		File file = new File("e:/test.txt");
		file.delete();
	}

}