java_http

为什么80%的码农都做不了架构师？>>>   

package com.java.http;

import java.io.BufferedInputStream;

import java.io.BufferedOutputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.net.HttpURLConnection;

import java.net.MalformedURLException;

import java.net.URL;

import java.net.URLConnection;

public class httpUtils {

private final String http_url = "http://192.168.1.22:8080/javaweb/aa.png";

private URL url = null;

private HttpURLConnection urlConnection;

private InputStream inputStream;

public httpUtils(){

try {

url = new URL(http_url);

} catch (MalformedURLException e) {

// TODO: handle exception

e.printStackTrace();

}

}

public void getImage(){

try {

urlConnection = (HttpURLConnection)url.openConnection();

urlConnection.setConnectTimeout(3000);

urlConnection.setRequestMethod("GET");

urlConnection.setDoInput(true);

urlConnection.setDoOutput(true);

int responseCode = urlConnection.getResponseCode();

if (responseCode == 200){

inputStream = urlConnection.getInputStream();

byte [] data = new byte[1024];

BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream);

BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(new FileOutputStream("D:\\1.png"));

int len = 0 ;

while ((len = bufferedInputStream.read(data)) != -1){

bufferedOutputStream.write(data,0,len);

}

inputStream.close();

bufferedInputStream.close();

bufferedOutputStream.close();

urlConnection.disconnect();

}

} catch (IOException e) {

// TODO: handle exception

e.printStackTrace();

}

}

public static void main(String[] args) {

httpUtils s = new httpUtils();

s.getImage();

}

}

转载于:https://my.oschina.net/plentx/blog/138517