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  • http协议GET方式获取图片



    package
    com.http.get; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; public class HttpUtils { // 自定义的web服务器的资源 private static String URL_PATH = "http://172.16.47.156:8080/myhttp/2.jpg"; public HttpUtils() { // TODO Auto-generated constructor stub } public static void saveImageToDisk() throws IOException { InputStream inputStream = getInputStream(); byte[] data = new byte[1024]; int len = 0; FileOutputStream fileOutputStream = null; try { fileOutputStream = new FileOutputStream("D:\Temp\testhttp.jpg"); while ((len = inputStream.read(data)) != -1) { fileOutputStream.write(data, 0, len); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { if (inputStream != null) { try { inputStream.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } if (fileOutputStream != null) { try { fileOutputStream.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } /** * 获得服务器端数据,以InputStream形式返回 * * @return * @throws IOException */ public static InputStream getInputStream() throws IOException { InputStream inputStream = null; HttpURLConnection httpURLConnection = null; try { URL url = new URL(URL_PATH); if (url != null) { httpURLConnection = (HttpURLConnection) url.openConnection(); // 设置连接网络的超时时间 httpURLConnection.setConnectTimeout(3000); httpURLConnection.setDoInput(true); // 设置本次http请求使用get方式请求 httpURLConnection.setRequestMethod("GET"); int responseCode = httpURLConnection.getResponseCode(); if (responseCode == 200) { // 从服务器获得一个输入流 inputStream = httpURLConnection.getInputStream(); } } } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } return inputStream; } public static void main(String[] args) throws IOException { // 从服务器获得图片保存到本地 saveImageToDisk(); System.out.println("传输步骤完毕"); } }

    来源:http://blog.csdn.net/ysl296/article/details/14434655

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  • 原文地址:https://www.cnblogs.com/szlwork/p/3551834.html
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