struts标签库: logic:iterate Action

最新推荐文章于 2021-03-04 18:10:47 发布

原创最新推荐文章于 2021-03-04 18:10:47 发布 · 292 阅读

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本文介绍了一个使用Struts框架实现的迭代测试案例。该案例通过创建包含多个User对象的List集合并将其传递给JSP页面进行迭代展示。每个User对象都关联了一个Group对象，模拟了简单的用户分组情况。

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package com.bjpowernode.struts;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/**
 * 测试迭代标签
 * @author Administrator
 *
 */
public class IterateTestAction extends Action {

	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		
		Group group = new Group();
		group.setName("动力节点");
		
		@SuppressWarnings("rawtypes")
		List userList = new ArrayList();
		
		for (int i=0; i<10; i++) {
			User user = new User();
			user.setUsername("张三_" + i);
			user.setAge(22 + i);
			user.setGroup(group);
			
			userList.add(user);
		}
		
		request.setAttribute("user_list", userList);
		
		return mapping.findForward("success");
	}

}

package com.bjpowernode.struts;

public class Group {

	private String name;

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}
}

package com.bjpowernode.struts;

public class User {

	private String username;
	
	private int age;
	
	private Group group;

	public String getUsername() {
		return username;
	}

	public void setUsername(String username) {
		this.username = username;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

	public Group getGroup() {
		return group;
	}

	public void setGroup(Group group) {
		this.group = group;
	}
}