java如何实现txt下载 就是从远程FTP服务器上直接把TXT文本下载下来！

strUrl为文件地址，fileName为文件在本地的保存路首祥径，试试吧~

public static void writeFile(String strUrl, String fileName) {

URL url = null

try {

url = new URL(strUrl)

} catch (MalformedURLException e2) {

e2.printStackTrace()

}

InputStream is = null

try {

is = url.openStream()

} catch (IOException e1) {

e1.printStackTrace()

}

OutputStream os = null

try {

os = new FileOutputStream( fileName)

int bytesRead = 0

byte[] buffer = new byte[8192]

while ((bytesRead = is.read(buffer, 0, 8192)) != -1) {

os.write(buffer, 0, bytesRead)

}

System.out.println("者岁搏下载雀谈成功："+strUrl)

} catch (FileNotFoundException e) {

e.printStackTrace()

} catch (IOException e) {

e.printStackTrace()

}

}

import java.io.File

import java.io.FileNotFoundException

import java.io.IOException

import java.io.RandomAccessFile

public class Io{

public static void main(String [] s){

File filename = new File("F:\\suncity.txt"仿链)

String filein="你好！备磨孙"

RandomAccessFile mm = null

try {

mm = new RandomAccessFile(filename,"rw")

mm.writeBytes(filein)

} catch (IOException e1) {

// TODO 自动生成游空 catch 块

e1.printStackTrace()

} finally{

if(mm!=null){

try {

mm.close()

} catch (IOException e2) {

// TODO 自动生成 catch 块

e2.printStackTrace()

}

}

}

}

}

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