java 从网页中获取图片路径与从js中获取图片路径

package test;

/**
* Created by yuantongqin on 2016/12/5.
*/
import java.io.*;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class getHtml2 {

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 = "F:\\FocuSimple\\test\\src\\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();
}
}

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 "js中内容";
return content;
}

public void get(String url) throws IOException {

String searchImgReg = "(?x)(src|SRC|background|BACKGROUND)=('|\")/?(([\\w-]+/)*([\\w-]+\\.(jpg|JPG|png|PNG|gif|GIF)))('|\")";
String searchImgReg2 = "http://[/,+&=\\.\\w-]+\\.(jpg|JPG|png|PNG|gif|GIF|jpeg)";
//        String searchImgReg2 = "(?x)(http://([\\w-]+\\.)+[\\w-]+(:[0-9]+)*(/[\\w-]+)*(/[\\w-]+\\.(jpg|JPG|png|PNG|gif|GIF|jpeg)))";

String content = this.getHtmlCode(url);
System.out.println(content);

Pattern pattern = Pattern.compile(searchImgReg2);
Matcher matcher = pattern.matcher(content);
//        while (matcher.find()) {
////            this.getHtmlPicture(url+matcher.group(3));
//            String group = matcher.group();
//            System.out.println(group);
//            mList.add(group);
//
//        }
//
//        pattern = Pattern.compile(searchImgReg2);
//        matcher = pattern.matcher(content);
while (matcher.find()) {
String group = matcher.group();
System.out.println(group);
mList.add(group);
//            this.getHtmlPicture(matcher.group(3));

}
}

static  List<String> mList = new ArrayList<String>();

public static void main(String[] args) throws IOException {
//        String url = "http://image.baidu.com/search/index?tn=baiduimage&ct=201326592&lm=-1&cl=2&ie=gbk&word=%B8%DF%C7%E5%B1%DA%D6%BD&fr=ala&ala=1&pos=0&alatpl=wallpaper&oriquery=%E9%AB%98%E6%B8%85%E5%A3%81%E7%BA%B8";
String url = "http://www.daimg.com/photo/list_4_1.html";
getHtml2 gcp = new getHtml2();
gcp.get(url);
System.out.println("==长度=="+mList.size());

}
}