实例模拟struts核心流程
<span style="font-family:Microsoft YaHei; font-size:18px"><?xml version="1.0" encoding="UTF-8"?>
<action-config>
<action path = "/addUser.action" type = "com.tigaoban.manager.AddUserAction">
<forward name = "success">/addSuccess.jsp</forward>
<forward name = "error">/addError.jsp</forward>
</action>
<action path = "/delUser.action" type = "com.tigaoban.manager.DelUserAction">
<forward name = "success">/delSuccess.jsp</forward>
<forward name = "error">/delError.jsp</forward>
</action>
<action path = "/modifyUser.action" type = "com.tigaoban.manager.ModifyUserAction">
<forward name = "success">/modifySuccess.jsp</forward>
<forward name = "error">/modifyError.jsp</forward>
</action>
<action path = "/queryUser.action" type = "com.tigaoban.manager.QueryUserAction">
<forward name = "success">/querySuccess.jsp</forward>
<forward name = "error">/queryError.jsp</forward>
</action>
</action-config>
</span>
<span style="font-family:Microsoft YaHei; font-size:18px">package com.tigaoban.domain;
import java.util.Map;
public class ActionMapping {
private String path;
private String type;
private Map<String, String> forwardMap;
public String getPath() {
return path;
}
public void setPath(String path) {
this.path = path;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public Map<String, String> getForwardMap() {
return forwardMap;
}
public void setForwardMap(Map<String, String> forwardMap) {
this.forwardMap = forwardMap;
}
}
</span>
<span style="font-family:Microsoft YaHei; font-size:18px">package com.tigaoban.util;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import com.tigaoban.domain.ActionMapping;
/**
* 采用单例模式解析ActionConfig.xml文件
* @author Haitao
*
*/
public class XmlConfigReader {
//懒汉式
private static XmlConfigReader instance = null;//XmlConfigReader 实例
//key=名称，value = 具体的动作实体类
private Map<String, ActionMapping> actionMap = new HashMap<String, ActionMapping>();
/**
* 构造方法
*/
private XmlConfigReader(){
SAXReader reader = new SAXReader();
InputStream in = Thread.currentThread().getContextClassLoader().getResourceAsStream("ActionConfig.xml");
try {
Document doc = reader.read(in);
//取得Action相关的配置信息,并存入ActionMapping实体中
List<Element> actionList = doc.selectNodes("//action");
for (Iterator<Element> iter = actionList.iterator(); iter.hasNext();){
Element element = iter.next();
String path = element.attributeValue("path");
String type = element.attributeValue("type");
//System.out.println(path);
List<Element> forwardList = element.elements("forward");
//存放forward中信息的map
Map<String,String> forwardMap = new HashMap<String, String>();
for (Iterator<Element> iterator = forwardList.iterator();iterator.hasNext();){
Element forward = iterator.next();
String name = forward.attributeValue("name");
String value = (String)forward.getData();
forwardMap.put(name, value);
}
//新建ActionMapping实体
ActionMapping actionMapping = new ActionMapping();
actionMapping.setPath(path);
actionMapping.setType(type);
actionMapping.setForwardMap(forwardMap);
//将actionMapping放入map中
actionMap.put(path, actionMapping);
}
} catch (DocumentException e) {
e.printStackTrace();
}
}
public static synchronized XmlConfigReader getInstance() {
if(instance == null){
instance = new XmlConfigReader();
}
return instance;
}
/**
* 取得action相关配置
* @return
*/
public Map<String, ActionMapping> getMap() {
return actionMap;
}
} </span>
补充：web前端 , HTML/CSS ,
