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  • Struts2 删除后直接直接到List显示页面

    package com.sun;
    
    import java.util.List;
    import java.util.Map;
    
    import org.hibernate.Session;
    import org.hibernate.SessionFactory;
    import org.hibernate.Transaction;
    import org.hibernate.cfg.Configuration;
    
    import com.denglu.domain.User;
    import com.opensymphony.xwork2.ActionContext;
    import com.opensymphony.xwork2.ActionSupport;
    
    public class TestAction extends ActionSupport{
    	private Map request;
    	public Configuration config;
    	public SessionFactory  sessionfactory;
    	public Session session;
    	public Transaction ts;
    	private User user;
    	public TestAction(){
    		 config = new Configuration();
    		 sessionfactory = config.configure("hibernate.cfg.xml").buildSessionFactory();
    		 session = sessionfactory.openSession();
    	}
    	public String List(){
    		//User uu = new User();
    		List uu = (List) session.createQuery("from User").list();
    		System.out.println("lalalal ");
    		
    		for(int i =0;i<uu.size();i++){
    			User user = (User) uu.get(i);
    			System.out.println(user.getName() + user.getPwd());
    		}
    		request = (Map) ActionContext.getContext().get("request");
    		request.put("user", uu);
    		session.close();
    		return "sucess";
    	}
    	public String Del(){
    		 ts = session.beginTransaction();
    		User u=(User) session.load(User.class,4);
    		session.delete(u);
    		ts.commit();
    		return "sucess";
    	}
    
    }
    
    <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <constant name="struts.devMode" value="true" /> <package name="default" namespace="" extends="struts-default"> <action name="index" class="com.sun.TestAction" method="List"> <result name="sucess"> /WEB-INF/index.jsp </result> </action> <action name="del" class="com.sun.TestAction" method="Del"> <result name="sucess" type="redirect"> index </result> </action> </package> <!-- Add packages here --> </struts>

     通过配置action中的result 元素的返回方式为重定向,返回是调用某个Action就能够实现

    一般删除一条记录之后,都会想跳转会原来的显示记录的页面,就跟你在百度留言后,直接显示出你的留言一样,这里通过Struts2进行实现

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  • 原文地址:https://www.cnblogs.com/sunxun/p/4263899.html
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