JAVA获取指定标签的属性值

package com.zving.teachPlat.util;

import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.zving.framework.utility.StringUtil;

public class MatchUtil {

/**
* 获取指定标签的属性值
* @param source: html
* @param element: 标签
* @param attr: 标签属性
*/
public static String match(String source, String element, String attr) {
String reg = "<" + element + ".*?" + attr + "=[‘\"]?(.*?)[‘\"].*?";
Matcher m = Pattern.compile(reg).matcher(source);
String r = "";
while (m.find()) {
r = m.group(1);
}
if (StringUtil.isNotEmpty(r) && r.indexOf("\"")!=-1) {
r = r.substring(0, r.indexOf("\""));
}
return r;
}

}

原文地址：https://www.cnblogs.com/liuyi-clover/p/9406263.html