package com.hopsun.util; import java.io.BufferedInputStream; import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.net.MalformedURLException; import java.net.URL; import java.util.regex.Matcher; import java.util.regex.Pattern; /* 获取网页中的图片* 2011-10-27* author 刘广*/ public class GetContentPicture /* 保存获取的图片* return void* date Oct 27, 2011* user 刘广*/ public void getHtmlPicture(String httpUrl) URL url; BufferedInputStream in; FileOutputStream file; try System.out.println(“取网络图片“); String fileName = httpUrl.substring(httpUrl.lastIndexOf(“/“); String filePath = “d:/pic/“; url = new URL(httpUrl); in = new BufferedInputStream(url.openStream(); file = new FileOutputStream(new File(filePath+fileName); int t; while (t = in.read() != -1) file.write(t); file.close(); in.close(); System.out.println(“图片获取成功“); catch (MalformedURLException e) e.printStackTrace(); catch (FileNotFoundException e) e.printStackTrace(); catch (IOException e) e.printStackTrace(); /* 获得网页代码* return String* date Oct 27, 2011* user 刘广*/ public String getHtmlCode(String httpUrl) throws IOException String content =“; URL uu = new URL(httpUrl); / 创建 URL 类对象 BufferedReader ii = new BufferedReader(new InputStreamReader(uu.openStream(); / /使用 openStream 得到一输入流并 由此构造一个 BufferedReader 对象 String input; while (input = ii.readLine() != null) / 建立读取循环，并判断是否有 读取值 content += input; ii.close(); return content; /* 通过正则匹配获取图片* return void* date Oct 27, 2011* user 刘广*/ public void get(String url) throws IOException String searchImgReg = “(?x)(src|SRC|background|BACKGROUND)=(|“)/?(w-+/)*(w- +.(jpg|JPG|png|PNG|gif|GIF)(|“)“; String searchImgReg2 = “(?x)(src|SRC|background|BACKGROUND)=(|“)(http:/(w-+.)+w- +(:0-9+)*(/w-+)*(/w-+.(jpg|JPG|png|PNG|gif|GIF)(|“)“;String content = this.getHtmlCode(url); System.out.println(content);Pattern pattern = Pattern.compile(searchImgReg); Matcher matcher = pattern.matcher(content); while (matcher.find() System.out.println(matcher.group(3); this.getHtmlPicture(url+matcher.group(3);pattern = Pattern.compile(searchImgReg2); matcher = pattern.matcher(content); while (matcher.find() System.out.println(matcher.group(3); this.getHtmlPicture(matcher.group(3); / searchImgReg = / “(?x)(src|SRC|background|BACKGROUND)=(|“)/?(w-+/)*(w- +.(jpg|JPG|png|PNG|gif|GIF)(|“)“; /*通过网页代码获取图片* return boolean* date Oct 27, 2011* user 刘广*/ public static boolean getImg(String content) throws IOException boolean f=false; String searchImgReg1 = “(?x)(src|SRC)=(|“)/?(w-+/)*(w- +.(jpg|JPG|png|PNG|gif|GIF)(|“)“; String searchImgReg2 = “(?x)(src|SRC)=(|“)(http:/(w-+.)+w- +(:0-9+)*(/w-+)*(/w-+.(jpg|JPG|png|PNG|gif|GIF)(|“)“;System.out.println(“内容：“+content);Pattern pattern = Pattern.compile(searchImgReg1); Matcher matcher = pattern.matcher(content); while (matcher.find() System.out.println(“searchImgReg1:“+matcher.group(3); f=true; break; pattern = Pattern.compile(searchImgReg2); matcher = pattern.matcher(content);while (matcher.find() System.out.println(“searchImgReg2:“+matcher.group(3); f=true; break; return f; public static void main(String args) throws IOException String url = “http:/www.baidu.com/“; GetContentPicture gcp = new GetContentPicture(); gcp.get(url);