welcome-file-list是一个配置在web.xml中的一个欢迎页，用于当用户在url中输入工程名称或者输入web容器url（如http://localhost:8080/）时直接跳转的页面.
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>，直接去找webcontent下的index.jsp
</welcome-file-list>
这样直接就能去index.jsp页面了，但是若是首页需要经过一些数据处理才能显示的话只能这样，在webcontent下的index.jsp中写上这样的话
<%@ page language="java" pageEncoding="UTF-8"%> <jsp:forward page="/index.do"/>
这样就去调用struts.xml中的
<action name="index" class="com.appsino.www.action.IndexProAction">
</action>
在action中是这样子的
private String templetPath;
public IndexProAction(){}
public String execute(){
try {
String basePath="/www/templet/";
templetPath=basePath+"index.html";//index.html是freemarker生成的模板网页
Map<String, Object> data = new HashMap<String, Object>();
setData(data);
getHttpResponse().setCharacterEncoding("UTF-8");
FreeMarkerUtil.createWriter(getServletContext(), data, templetPath,getHttpResponse().getWriter());
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
所有的数据处理都放在setData(data);这个方法中进行处理，FreeMarkerUtil.createWriter()方法主要是生成静态模板
/**
* 设置静态化参数
*
* @param data
*/
public void setData(Map<String, Object> data) {
HttpServletRequest request=getHttpRequest();
data.put("contextPath", getContextPath());//主要是用于在html页面中的绝对路径，放在url前面的
String traAgId=String.valueOf(getTraAgId());
if(StringUtils.isNotEmpty(traAgId)){
data.put("traAgId", traAgId);//有这个id的话就是网店的数据
}
if(StringUtils.isNotEmpty(traAgCode)){
data.put("traAgCode", traAgCode);//有这个code的话就是网店的数据
}else{
//当地址栏没有cityCode参数则重新获取cityCode
if(StringUtils.isEmpty(cityCode)){//没有cityCode参数时
String c=readCityCookie();//主要是获取cookie
String[] city=c.split(";");
if(city.length>1){
data.put("cityCode", city[0]);
data.put("cityName", city[1]);
}else{
data.put("cityCode", "beijing");//要是没有cookie的话就放入默认的值
data.put("cityName", "北京");
}
}else{//有cityCode参数时则是自动放入当前的
data.put("cityCode", cityCode);
data.put("cityName", cityName);
}
}
// 获取参数并放入data
Enumeration<String> paramNames = getHttpRequest().getParameterNames();
if (paramNames != null && paramNames.hasMoreElements()) {
String name;
while (paramNames.hasMoreElements()) {
name = paramNames.nextElement();
if (name != null) {
data.put(name, getHttpRequest().getParameter(name));
}
}
}
//这个主要是当有游客登录时将登陆信息放在session中若是session不过期的话直接显示出游客的信息
Tourist tourist=null;
tourist=((Tourist)getHttpSession().getAttribute(TCConstant.LOGIN_TOURIST));
if(tourist==null){
String touristCookie=readTAccountCookie();//获取用户的cookie
if(touristCookie!=null){
tourist=getTourist(touristCookie);
getHttpSession().setAttribute(TCConstant.LOGIN_TOURIST, tourist);
}
}
if(tourist!=null){
data.put("touristName", tourist.getTouristName());//放入游客名
}
}
涉及到两个方法readCityCookie()主要是获取到城市的cookie
private String cookieName="local_zone";
//读取cookie
private String readCityCookie(){
String reCookie=null;
HttpServletRequest request=getHttpRequest();
Cookie[] cookies = request.getCookies();
if(null!=cookies){
/**
* 读取cookie
* if cookie.getName.equals cityCode 则返回rcookie="";
* if cookie 未找到 把cityCode cityName 写入 COOKIE
*/
for(Cookie cookie : cookies){
if(cookieName.equals(cookie.getName())){
try {
reCookie=URLDecoder.decode(cookie.getValue(), "UTF-8");
return reCookie;
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}else{
reCookie= "beijing;北京";
setCookie(reCookie);
return reCookie;
}
}
//如果没有cookie的话
}else{
AddressUtils addressUtils = new AddressUtils();//根据IP获取城市
String ip = getIpAddr();//正式环境使用
try {
cityName = addressUtils.getAddresses("ip=" + ip, "UTF-8");
if(StringUtil.isNotEmpty(cityName)){
if(cityName.contains("市")){
cityName=cityName.replaceAll("市", "").trim();
}
}
//addressUtils.getAddresses("ip=" + ip, "utf-8");//返回城市名
logger.info("根据ip地址获取的城市名"+cityName);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
cityCode=getDCityCode(cityName);
logger.info(cityCode+"code");
Cookie cookie=null;
/**
* 根据IP地址找到DepartureCity表的 cityCode cityName
* 如果返回 unknown 则 此IP地址 所在城市 不在DepartureCity中
* 设置默认COOKIE为 “beijing;北京”
*/
if("unknown".equals(cityCode)){
reCookie= "beijing;北京";
setCookie(reCookie);
return reCookie;
}else{
reCookie=cityCode+";"+cityName;
setCookie(reCookie);
return reCookie;
}
}
return reCookie;
}
public void setCookie(String cookieCode){
HttpServletResponse response=getHttpResponse();
Cookie cookie=null;
try {
logger.info("没找到匹配的时候:"+cookieCode);
cookie= new Cookie(cookieName,URLEncoder.encode(cookieCode,"UTF-8"));
logger.info("转化成UTF-8的时候:"+cookieName);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
cookie.setMaxAge(60*60*24*365);
response.addCookie(cookie);
}
public void rewriteCookie(String cityCode,String cityName){//重写cookie
HttpServletResponse response=getHttpResponse();
AddressUtils addressUtils = new AddressUtils();
Cookie cookie=null;
try {
cookie= new Cookie(cookieName,cityCode+URLEncoder.encode(";"+cityName,"UTF-8"));
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
cookie.setMaxAge(60*60*24*365);
response.addCookie(cookie);
}
public String getDCityCode(String cityName){//根据城市获取cityCode
init("departureCityService");
DepartureCity dc=new DepartureCity();
dc.setCityName(cityName);
List<DepartureCity> dList=departureCityService.find(dc, "");
if(dList!=null && dList.size()>0){
logger.info("获得的城市还是code："+dList.get(0).getCityName());
return dList.get(0).getCityCode();
}
return "unknown";
}
//获取IP地址
public String getIpAddr() {
HttpServletRequest request=getHttpRequest();
String ip = request.getHeader("X-Real-IP");
if (!StringUtils.isBlank(ip) && !"unknown".equalsIgnoreCase(ip)) {
return ip;
}
ip = request.getHeader("X-Forwarded-For");
if (!StringUtils.isBlank(ip) && !"unknown".equalsIgnoreCase(ip)) {
// 多次反向代理后会有多个IP值，第一个为真实IP。
int index = ip.indexOf(',');
if (index != -1) {
return ip.substring(0, index);
} else {
return ip;
}
} else {
return request.getRemoteAddr();
}
}
获取ip的工具类
package com.appsino.www.util; import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLDecoder; import java.net.URLEncoder; /** * 根据IP地址获取详细的地域信息 * * @project:personGocheck * @class:AddressUtils.java * @author:heguanhua E-mail:[email protected] * @date：Nov 14, 2012 6:38:25 PM */ public class AddressUtils { /** * * @param content * 请求的参数 格式为：name=xxx&pwd=xxx * @param encoding * 服务器端请求编码。如GBK,UTF-8等 * @return * @throws UnsupportedEncodingException */ public String getAddresses(String content, String encodingString) throws UnsupportedEncodingException { // 这里调用taobao的接口 String urlStr = "http://ip.taobao.com/service/getIpInfo.php"; // 从taobao取得IP所在的省市区信息 String returnStr = this.getResult(urlStr, content, encodingString); if (returnStr != null) { // 处理返回的省市区信息 System.out.println(returnStr); //{"code":0,"data":{"country":"\u672a\u5206\u914d\u6216\u8005\u5185\u7f51IP","country_id":"IANA","area":"","area_id":"","region":"","region_id":"","city":"","city_id":"","county":"","county_id":"","isp":"","isp_id":"","ip":"127.0.0.1"}} String[] temp = returnStr.split(","); /*for (int i = 0; i < temp.length; i++) { System.out.println(temp[i]); } 结果 {"code":0 "data":{"country":"\u4e2d\u56fd" "country_id":"CN" "area":"\u534e\u5317" "area_id":"100000" "region":"\u5317\u4eac\u5e02" "region_id":"110000" "city":"\u5317\u4eac\u5e02" "city_id":"110000" "county":"" "county_id":"-1" "isp":"\u6b4c\u534e\u7f51\u7edc" "isp_id":"100080" "ip":"58.30.15.255"}} */ if (temp.length < 3) { return "0";// 无效IP，局域网测试 } String region = (temp[7].split(":"))[1].replaceAll("\"", ""); region = decodeUnicode(region);// 省份 /** * String country = ""; String area = ""; String region = ""; String * city = ""; String county = ""; String isp = ""; for(int * i=0;i<temp.length;i++){ switch(i){ case 1:country = * (temp[i].split(":"))[2].replaceAll("\"", ""); country = * decodeUnicode(country);//国家 break; case 3:area = * (temp[i].split(":"))[1].replaceAll("\"", ""); area = * decodeUnicode(area);//地区 break; case 5:region = * (temp[i].split(":"))[1].replaceAll("\"", ""); region = * decodeUnicode(region);//省份 break; case 7:city = * (temp[i].split(":"))[1].replaceAll("\"", ""); city = * decodeUnicode(city);//市区 break; case 9:county = * (temp[i].split(":"))[1].replaceAll("\"", ""); county = * decodeUnicode(county);//地区 break; case 11:isp = * (temp[i].split(":"))[1].replaceAll("\"", ""); isp = * decodeUnicode(isp);//ISP公司 break; } } */ // System.out.println(country+"="+area+"="+region+"="+city+"="+county+"="+isp); return region; } return null; } /** * @param urlStr * 请求的地址 * @param content * 请求的参数 格式为：name=xxx&pwd=xxx * @param encoding * 服务器端请求编码。如GBK,UTF-8等 * @return */ private String getResult(String urlStr, String content, String encoding) { URL url = null; HttpURLConnection connection = null; try { url = new URL(urlStr); connection = (HttpURLConnection) url.openConnection();// 新建连接实例 connection.setConnectTimeout(2000);// 设置连接超时时间，单位毫秒 connection.setReadTimeout(2000);// 设置读取数据超时时间，单位毫秒 connection.setDoOutput(true);// 是否打开输出流 true|false connection.setDoInput(true);// 是否打开输入流true|false connection.setRequestMethod("POST");// 提交方法POST|GET connection.setUseCaches(false);// 是否缓存true|false connection.connect();// 打开连接端口 DataOutputStream out = new DataOutputStream( connection.getOutputStream());// 打开输出流往对端服务器写数据 out.writeBytes(content);// 写数据,也就是提交你的表单 name=xxx&pwd=xxx out.flush();// 刷新 out.close();// 关闭输出流 BufferedReader reader = new BufferedReader(new InputStreamReader( connection.getInputStream(), encoding));// 往对端写完数据对端服务器返回数据 // ,以BufferedReader流来读取 StringBuffer buffer = new StringBuffer(); String line = ""; while ((line = reader.readLine()) != null) { buffer.append(line); } reader.close(); return buffer.toString(); } catch (IOException e) { e.printStackTrace(); } finally { if (connection != null) { connection.disconnect();// 关闭连接 } } return null; } /** * unicode 转换成 中文 * * @author fanhui 2007-3-15 * @param theString * @return */ public static String decodeUnicode(String theString) { char aChar; int len = theString.length(); StringBuffer outBuffer = new StringBuffer(len); for (int x = 0; x < len;) { aChar = theString.charAt(x++); if (aChar == '\\') { aChar = theString.charAt(x++); if (aChar == 'u') { int value = 0; for (int i = 0; i < 4; i++) { aChar = theString.charAt(x++); switch (aChar) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': value = (value << 4) + aChar - '0'; break; case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': value = (value << 4) + 10 + aChar - 'a'; break; case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': value = (value << 4) + 10 + aChar - 'A'; break; default: throw new IllegalArgumentException( "Malformed encoding."); } } outBuffer.append((char) value); } else { if (aChar == 't') { aChar = '\t'; } else if (aChar == 'r') { aChar = '\r'; } else if (aChar == 'n') { aChar = '\n'; } else if (aChar == 'f') { aChar = '\f'; } outBuffer.append(aChar); } } else { outBuffer.append(aChar); } } return outBuffer.toString(); } /** * 将字符串转成unicode * @param str 待转字符串 * @return unicode字符串 */ public static String unicode(String str) { str = (str == null ? "" : str); String tmp; StringBuffer sb = new StringBuffer(1000); char c; int i, j; sb.setLength(0); for (i = 0; i < str.length(); i++) { c = str.charAt(i); sb.append("\\u"); j = (c >>> 8); // 取出高8位 tmp = Integer.toHexString(j); if (tmp.length() == 1) sb.append("0"); sb.append(tmp); j = (c & 0xFF); // 取出低8位 tmp = Integer.toHexString(j); if (tmp.length() == 1) sb.append("0"); sb.append(tmp); } return (new String(sb)); } // 测试 public static void main(String[] args) throws UnsupportedEncodingException { /*AddressUtils addressUtils = new AddressUtils(); // 测试ip 219.136.134.157 中国=华南=广东省=广州市=越秀区=电信 String ip = "58.30.15.255";//北京市歌华有线的ip String address = ""; try { address = addressUtils.getAddresses("ip=" + ip, "utf-8").replaceAll("市", "").trim(); } catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); }*/ //System.out.println(address);//通过ip查到是北京 //System.out.println(decodeUnicode("北京")); //System.out.println(unicode("北京"));//把北京换成unicode吗\u5317\u4eac /* gb2312的操作 System.out.println(URLEncoder.encode("beijing;北京","gb2312"));//把字符串转化成gb2312编码：beijing%3B%B1%B1%BE%A9 System.out.println(URLEncoder.encode("|","gb2312"));//|的unicode编码是%7C System.out.println(URLEncoder.encode(";","gb2312"));//;的unicode编码是%3B System.out.println(URLDecoder.decode("beijing%3B%B1%B1%BE%A9", "gb2312"));//把gb2312编码的字符串转化为中文 */ //utf-8的操作 System.out.println(URLEncoder.encode("beijing;北京","UTF-8"));//把字符串转化成UTF-8编码：beijing%3B%E5%8C%97%E4%BA%AC System.out.println(URLEncoder.encode(";","UTF-8"));//;的unicode编码是%3B System.out.println(URLDecoder.decode("beijing%3B%E5%8C%97%E4%BA%AC", "UTF-8"));//把UTF-8编码的字符串转化为中文 }
最后是freemarkerUtil
package com.appsino.www.util;
public class FreeMarkerUtil {
/**
* 生成静态页面主方法 默认编码为UTF-8
* @param context ServletContext
* @param data 一个Map的数据结果集
* @param templatePath ftl模版路径
* @param htmlPath 生成静态页面的路径
* @throws TemplateException
* @throws IOException
*/
public static void createHTML(ServletContext context,Map<String,Object> data,String templatePath,String htmlPath) throws IOException, TemplateException{
createHTML(context, data, "UTF-8", templatePath, "UTF-8", htmlPath);
}
/**
* 生成静态页面主方法
* @param context ServletContext
* @param data 一个Map的数据结果集
* @param templatePath ftl模版路径
* @param templateEncode ftl模版编码
* @param htmlPath 生成静态页面的路径
* @param htmlEncode 生成静态页面的编码
* @throws IOException
* @throws TemplateException
*/
public static void createHTML(ServletContext context,Map<String,Object> data,String templetEncode,String templatePath,String htmlEncode,String htmlPath) throws IOException, TemplateException{
Configuration freemarkerCfg=initCfg(context, templetEncode);
//指定模版路径
Template template = freemarkerCfg.getTemplate(templatePath,templetEncode);
template.setEncoding(templetEncode);
//静态页面路径
File htmlFile = new File(htmlPath);
if (!htmlFile.getParentFile().exists()) {
htmlFile.getParentFile().mkdirs();
}
Writer writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(htmlFile), htmlEncode));
//处理模版
template.process(data, writer);
writer.flush();
writer.close();
}
/**
* 处理页面后，装处理结果放入指定Out
* @param context
* @param data
* @param templatePath
* @throws TemplateModelException
*/
public static void createWriter(ServletContext context,Map<String,Object> data,String templatePath,Writer writer) throws TemplateModelException{
createWriter(context, data, "UTF-8", templatePath, "UTF-8",writer);
}
public static void createWriter(ServletContext context,Map<String,Object> data,String templetEncode,String templatePath,String htmlEncode,Writer writer) throws TemplateModelException{
Configuration freemarkerCfg=initCfg(context, templetEncode);
try {
//指定模版路径
Template template = freemarkerCfg.getTemplate(templatePath,templetEncode);
template.setEncoding(templetEncode);
//处理模版
template.process(data, writer);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 初始化freemarker配置
* @return
* @throws TemplateModelException
*/
public static Configuration initCfg(ServletContext context,String templetEncode) throws TemplateModelException{
Configuration freemarkerCfg=null;
//判断context中是否有freemarkerCfg属性
if (context.getAttribute("freemarkerCfg")!=null) {
freemarkerCfg=(Configuration)context.getAttribute("freemarkerCfg");
}else {
freemarkerCfg = new Configuration();
//加载模版
freemarkerCfg.setServletContextForTemplateLoading(context, "/");
freemarkerCfg.setEncoding(Locale.getDefault(), templetEncode);
//加载并设置freemarker.properties
Properties p = new Properties();
try {
p.load(Thread.currentThread().getContextClassLoader().getResourceAsStream("freemarker.properties"));
} catch (IOException e) {
e.printStackTrace();
}
try {
freemarkerCfg.setSettings(p);
} catch (TemplateException e) {
e.printStackTrace();
}
//加载自定义标签
//demo
freemarkerCfg.setSharedVariable("demo", new DemoDirective());
//首页布局
freemarkerCfg.setSharedVariable("storeLayout", new LayoutDirective());
//导航菜单
freemarkerCfg.setSharedVariable("productCategoryList", new StoreProductCategoryDirective());
//首页栏目
freemarkerCfg.setSharedVariable("productCategoryMenuList", new StoreProductCategoryMenuDirective());
freemarkerCfg.setSharedVariable("proCatMap", new StoreProductCategoryLineDirective());
//客服
freemarkerCfg.setSharedVariable("custList", new CustServiceDirective());
//友情链接
freemarkerCfg.setSharedVariable("blogList", new BlogDirective());
//最新预订
freemarkerCfg.setSharedVariable("reservationList", new NewBookDirective());
}
return freemarkerCfg;
}
}
在struts.xml中需要配置
<!-- freemarker管理器 --> <constant name="struts.freemarker.manager.classname" value ="com.appsino.www.freemarker.manager.TravelFreemarkerMannger" />
TravelFreemarkerMannger类
public class TravelFreemarkerMannger extends FreemarkerManager {
protected Configuration createConfiguration(ServletContext servletContext)
throws TemplateException {
// Configuration configuration =
// super.createConfiguration(servletContext);
Configuration configuration = FreeMarkerUtil.initCfg(servletContext,
"utf-8");
// configuration
// .setTemplateExceptionHandler(new FreemarkerExceptionHandler());
return configuration;
}
}
这就是整个的web流程