从html文本中获取img标签的src、a标签的href内容

灰太狼 2022-11-16 10:53 379阅读 0赞

/**
    * 从html文本中获取img标签的src内容
    */
    private List<String> getImgsrcs(String content){
        List<String> srcList = new ArrayList<>();
        Pattern p = Pattern.compile("<(img|IMG)(.*?)(>|></img>|/>");
        Matcher matcher = p.matcher(content);
        boolean hasPic = mathcher.find();
        if(hasPic == true){
            while(hasPic){
                String group = matcher.group(2);
                Pattern srcText = Pattern.compile("(src|SRC)=(\"|\')(.*?)(\"|\')");
                Matcher matcher2 = srcText.matcher(group);
                if(matcher2.find()){
                    srcList.add(matcher2.group(3));
                }
                hasPic = matcher.find();
            }
        }
        return srcList;
    
    }

/**
    * 从html文本中获取a标签的href内容
    */
    private List<String> getAhrefs(String content){
        List<String> srcList = new ArrayList<>();
        String regex = "<a.*?/a>";
        //正则忽略大小写
        Pattern p = Pattern.compile(regex,Pattern.CASE_INSENSITIVE);
        Matcher matcher = p.matcher(content);
        boolean hasPic = mathcher.find();
        while(hasPic){
                String regex2= "href=\"(.*?)\"";
                Pattern p2= Pattern.compile(regex2,Pattern.CASE_INSENSITIVE);
                Matcher m2= p2.matcher(matcher.group());
                if(m2.find()){
                    srcList.add(m2.group(1));
                }
                hasPic = matcher.find();
        }
        return srcList;
    
    }

验证截图如下：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2Roa2xzbA_size_16_color_FFFFFF_t_70][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2Roa2xzbA_size_16_color_FFFFFF_t_70 1][]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2Roa2xzbA_size_16_color_FFFFFF_t_70]: /images/20221022/0f690761907e47829b474c7581c11002.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2Roa2xzbA_size_16_color_FFFFFF_t_70 1]: /images/20221022/7d700bef6a474e7d982d098a1adc9de5.png