java 根据网络地址保存图片

桃扇骨 2022-08-06 00:27 188阅读 0赞

import java.io.BufferedInputStream;
    import java.io.File;
    import java.io.FileOutputStream;
    import java.io.IOException;
    import java.net.HttpURLConnection;
    import java.net.URL;
    import java.util.Random;
    
    import sun.misc.BASE64Decoder;
    
    /**
     * 常用工具类
     * @author 胡汉三
     *
     * 2014-11-21 上午10:16:10
     */
    public class Tools {
    
    
    	public static void main(String[] args) throws Exception {
    		String str = "http://api.map.baidu.com/staticimage?center=106.720568,26.585137&width=697&height=550&markers=106.729443,26.593795&markerStyles=-1,http://api.map.baidu.com/images/marker_red.png,-1,23,25&zoom=15&labels=106.730143,26.594695&labelStyles=师大某小区包子铺,1,14,0xFFFFFF,0xEC624D,1";
    		Tools dw=new Tools();    
    		dw.saveToFile(str,"E:\\"+AnguoFileUtils.getRandomFileName()+".png");  
    	}
    
    	/**
    	 * 根据网络地址保存图片
    	 * @param destUrl 网络地址
    	 * @param filePath 图片存储路径
    	 */
    	public void saveToFile(String destUrl,String filePath) {  
    		FileOutputStream fos = null;  
    		BufferedInputStream bis = null;  
    		HttpURLConnection httpUrl = null;  
    		URL url = null;  
    		int BUFFER_SIZE = 1024;  
    		byte[] buf = new byte[BUFFER_SIZE];  
    		int size = 0;  
    		try {  
    			url = new URL(destUrl);  
    			httpUrl = (HttpURLConnection) url.openConnection();  
    			httpUrl.connect();  
    			bis = new BufferedInputStream(httpUrl.getInputStream());  
    			fos = new FileOutputStream(filePath);  
    			while ((size = bis.read(buf)) != -1) {   
    				fos.write(buf, 0, size);  
    			}  
    			fos.flush();  
    		} catch (IOException e) {  
    		} catch (ClassCastException e) {  
    		} finally {  
    			try {  
    				fos.close();  
    				bis.close();  
    				httpUrl.disconnect();  
    			} catch (IOException e) {  
    			} catch (NullPointerException e) {  
    			}  
    		}  
    	}  
    	
    }