工具类
import java.util.HashMap;import java.util.Map;import java.util.regex.Pattern;import javax.servlet.http.Cookie;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;/** ** @author Administrator * */public class WebUtil { /*** * 获取URI的路径,如路径为http://www.babasport.com/action/post.htm?method=add, 得到的值为"/action/post.htm" * @param request * @return */ public static String getRequestURI(HttpServletRequest request){ return request.getRequestURI(); } /** * 获取完整请求路径(含内容路径及请求参数) * @param request * @return */ public static String getRequestURIWithParam(HttpServletRequest request){ return getRequestURI(request) + (request.getQueryString() == null ? "" : "?"+ request.getQueryString()); } /** * 添加cookie * @param response * @param name cookie的名称 * @param value cookie的值 * @param maxAge cookie存放的时间(以秒为单位,假如存放三天,即3*24*60*60; 如果值为0,cookie将随浏览器关闭而清除) */ public static void addCookie(HttpServletResponse response, String name, String value, int maxAge) { Cookie cookie = new Cookie(name, value); cookie.setPath("/"); if (maxAge>0) cookie.setMaxAge(maxAge); response.addCookie(cookie); } /** * 获取cookie的值 * @param request * @param name cookie的名称 * @return */ public static String getCookieByName(HttpServletRequest request, String name) { Map<String, Cookie> cookieMap = WebUtil.readCookieMap(request); if(cookieMap.containsKey(name)){ Cookie cookie = (Cookie)cookieMap.get(name); return cookie.getValue(); }else{ return null; } } protected static Map<String, Cookie> readCookieMap(HttpServletRequest request) { Map<String, Cookie> cookieMap = new HashMap<String, Cookie>(); Cookie[] cookies = request.getCookies(); if (null != cookies) { for (int i = 0; i < cookies.length; i++) { cookieMap.put(cookies.getName(), cookies); } } return cookieMap; } /** * 去除html代码 * @param inputString * @return */ public static String HtmltoText(String inputString) { 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_ba; java.util.regex.Matcher m_ba; try { String regEx_script = "<[\\s]*?script[^>]*?>[\\s\\S]*?<[\\s]*?\\/[\\s]*?script[\\s]*?>"; //定义script的正则表达式{或<script[^>]*?>[\\s\\S]*?<\\/script> } String regEx_style = "<[\\s]*?style[^>]*?>[\\s\\S]*?<[\\s]*?\\/[\\s]*?style[\\s]*?>"; //定义style的正则表达式{或<style[^>]*?>[\\s\\S]*?<\\/style> } String regEx_html = "<[^>]+>"; //定义HTML标签的正则表达式 String patternStr = "\\s+"; 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_ba = Pattern.compile(patternStr,Pattern.CASE_INSENSITIVE); m_ba = p_ba.matcher(htmlStr); htmlStr = m_ba.replaceAll(""); //过滤空格 textStr = htmlStr; }catch(Exception e) { System.err.println("Html2Text: " + e.getMessage()); } return textStr;//返回文本字符串 }}
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