com.tmsps.ne4spring.utils.HtmlUtil Maven / Gradle / Ivy
package com.tmsps.ne4spring.utils;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
*
* @author zhangwei [email protected]
*
*/
public class HtmlUtil {
public static String html2Text(String inputString) {
if (inputString==null||"".equals(inputString)) {
return "";
}
String htmlStr = inputString; // 含html标签的字符串
String textStr = "";
java.util.regex.Pattern p_script;
java.util.regex.Matcher m_script;
java.util.regex.Pattern p_style;
java.util.regex.Matcher m_style;
java.util.regex.Pattern p_html;
java.util.regex.Matcher m_html;
java.util.regex.Pattern p_html1;
java.util.regex.Matcher m_html1;
try {
String regEx_script = "<[//s]*?script[^>]*?>[//s//S]*?<[//s]*?///[//s]*?script[//s]*?>"; // 定义script的正则表达式{或]*?>[//s//S]*?
String regEx_style = "<[//s]*?style[^>]*?>[//s//S]*?<[//s]*?///[//s]*?style[//s]*?>"; // 定义style的正则表达式{或]*?>[//s//S]*?
String regEx_html = "<[^>]+>"; // 定义HTML标签的正则表达式
String regEx_html1 = "<[^>]+";
p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE);
m_script = p_script.matcher(htmlStr);
htmlStr = m_script.replaceAll(""); // 过滤script标签
p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE);
m_style = p_style.matcher(htmlStr);
htmlStr = m_style.replaceAll(""); // 过滤style标签
p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);
m_html = p_html.matcher(htmlStr);
htmlStr = m_html.replaceAll(""); // 过滤html标签
p_html1 = Pattern.compile(regEx_html1, Pattern.CASE_INSENSITIVE);
m_html1 = p_html1.matcher(htmlStr);
htmlStr = m_html1.replaceAll(""); // 过滤html标签
textStr = htmlStr;
} catch (Exception e) {
System.err.println("Html2Text: " + e.getMessage());
}
return textStr;// 返回文本字符串
}
public static String htmlspecialchars(String str) {
str = str.replaceAll("&", "&");
str = str.replaceAll("<", "<");
str = str.replaceAll(">", ">");
str = str.replaceAll("\"", """);
return str;
}
public static String htmlbackspecialchars(String str) {
str = str.replaceAll("&", "&");
str = str.replaceAll("<", "<");
str = str.replaceAll(">", ">");
str = str.replaceAll(""", "\"");
return str;
}
/**
* 过滤html标签
* @param str 要过滤的字符串
* @return
*/
public static String filterHtml(String str) {
String regxpForHtml = "<.*?>| "; //<([^>]*)>
Pattern pattern = Pattern.compile(regxpForHtml);
Matcher matcher = pattern.matcher(str);
StringBuffer sb = new StringBuffer();
boolean result1 = matcher.find();
while (result1) {
matcher.appendReplacement(sb, "");
result1 = matcher.find();
}
matcher.appendTail(sb);
return sb.toString();
}
}