从网上下载图片到本地

导入
import java.io.*;
import java.net.MalformedURLException;
import java.net.URL;
 

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;
  File f = new File("d:\\webimg\\");
  f.mkdirs();
  try{
   os = new FileOutputStream("d:\\webimg\\"+fileName);
   int bytesRead = 0;
   byte[] buffer = new byte[8192];
   
   while((bytesRead = is.read(buffer,0,8192))!=-1){
    os.write(buffer,0,bytesRead);
   }
  }catch(FileNotFoundException e){
   
  } catch (IOException e) {
   e.printStackTrace();
  }
 }

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