import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @Author: lzw
* @Description: 過濾html標簽,轉化為純文本
* @Date: Created in 13:56 2018-03-20
*/
public class DelHtmlTagUtil {
//將html轉換為純文本,此方法最后保留了&nbps空格,使用時注意將空格替換掉
public static String delHTMLTag(String htmlStr) {
String regEx_script = "<script[^>]*?>[\\s\\S]*?<\\/script>"; //定義script的正則表達式
String regEx_style = "<style[^>]*?>[\\s\\S]*?<\\/style>"; //定義style的正則表達式
String regEx_html = "<[^>]+>"; //定義HTML標簽的正則表達式
Pattern p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE);
Matcher m_script = p_script.matcher(htmlStr);
htmlStr = m_script.replaceAll(""); //過濾script標簽
Pattern p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE);
Matcher m_style = p_style.matcher(htmlStr);
htmlStr = m_style.replaceAll(""); //過濾style標簽
Pattern p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);
Matcher m_html = p_html.matcher(htmlStr);
htmlStr = m_html.replaceAll(""); //過濾html標簽
return htmlStr.trim(); //返回文本字符串
}
}