Java-文本下载

来源：互联网发布：c语言windows窗口程序编辑：程序博客网时间：2024/06/08 08:33

package src;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class TextDownLoad {
//单线程下载文本实例
private static String path ="http://192.168.199.1:8080/file.txt";
public static void main(String[] args){
try {
URL url = new URL(path);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("GET");
conn.setConnectTimeout(5000);
if(conn.getResponseCode() == 200){
InputStream in = conn.getInputStream();
String data = readInputstream(in);
File file = new File("file.txt");
FileOutputStream fos = new FileOutputStream(file);
fos.write(data.getBytes());
in.close();
fos.close();

System.out.println("文本已下载成功！");
}

} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private static String readInputstream(InputStream in) {

ByteArrayOutputStream baos = new ByteArrayOutputStream();
int len = 0;
byte[] buf = new byte[1024];
try {
while((len = in.read(buf))>0){
baos.write(buf,0,len);
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return baos.toString();
}
}

0 0