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最新推荐文章于 2024-06-01 11:57:38 发布

iteye_3043

最新推荐文章于 2024-06-01 11:57:38 发布

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分类专栏： struts2 文章标签： Java JSP Struts Apache Go

本文链接：https://blog.youkuaiyun.com/iteye_3043/article/details/82036257

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本文详细介绍了如何使用Struts框架及其Action类进行Web应用开发，包括参数接收、页面跳转、表单提交处理和HTTP参数解析。同时，展示了如何在Action中处理字符串类型的参数并获取其值。

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//index.jsp
访问属性
		<a href="tags?username=u&password=p">tags</a> theme测试
		<a href="theme.action">go</a>
		<br />
		<br />
		<form action="user" method="post">
			name:
			<input name="name">
			age:
			<input name="age">
			<input type="submit" value="add">
			<s:token></s:token>
			<!-- 添加token，防止重复提交 -->
		</form>
		<br>
		<br /><!-- 从http接收的参数是String类型 -->
		<!-- d=1988-9-30&interests=asd,wa&ps=9,8&ps=8,0&p=0,9&users['qw']=q&points['a']=2,2 -->
		name:
		<s:property value="name" />
		<br />
		age:
		<s:property value="age" />
		<br />
		date:
		<s:property value="d" />
		<br />
		<s:date name="d" format="yyyy/MM/dd HH:mm:ss" />
		<br />
		interests:
		<s:property value="interests" />
		<br />
		users:
		<s:property value="users" />
		<br />
		p:
		<s:property value="p" />
		<br />
		ps:
		<s:property value="ps" />
		<br />
		points:
		<s:property value="points" />

//struts.xml
<constant name="struts.i18n.encoding" value="GBK" /> <!-- internationalization -->
	<package name="test" namespace="/" extends="struts-default">
		<action name="test" class="com.bjsxt.action.TestAction">
			<result>/index.jsp</result>
		</action>
	</package>

//action
package com.bjsxt.action;

import java.awt.Point;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Set;

import com.opensymphony.xwork2.ActionSupport;

@SuppressWarnings("serial")
public class TestAction extends ActionSupport { //http传的参数是String类型

	private String name = "awa";
	private int age = 23;
	private Date d;           //d=1988-9-30
	Set<String> interests;    //interests=asd,wa 传值
	Map<String, String> users;  //用users['qw']=q传值
	Point p;      //p=0,9

	List<Point> ps;        //ps=9,8&ps=8,0传值
	Map<String, Point> points; //用points['a']=2,2传值

	@Override
	public String execute() throws Exception {

		return super.execute();
	}

	public String getName() {
		return name;
	}

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

	public int getAge() {
		return age;
	}

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

	public Date getD() {
		return d;
	}

	public void setD(Date d) {
		this.d = d;
	}

	public Set<String> getInterests() {
		return interests;
	}

	public void setInterests(Set<String> interests) {
		this.interests = interests;
	}

	public Map<String, String> getUsers() {
		return users;
	}

	public void setUsers(Map<String, String> users) {
		this.users = users;
	}

	public Point getP() {
		return p;
	}

	public void setP(Point p) {
		this.p = p;
	}

	public List<Point> getPs() {
		return ps;
	}

	public void setPs(List<Point> ps) {
		this.ps = ps;
	}

	public Map<String, Point> getPoints() {
		return points;
	}

	public void setPoints(Map<String, Point> points) {
		this.points = points;
	}

}


package com.bjsxt.converter;

import java.awt.Point;
import java.util.Map;

import org.apache.struts2.util.StrutsTypeConverter;

public class MyPointConverter extends StrutsTypeConverter {

	@SuppressWarnings("unchecked")
	@Override
	public Object convertFromString(Map context, String[] values, Class toClass) {

		Point p = new Point();
		String[] strs = (String[]) values;
		String[] xy = strs[0].split(",");
		p.x = Integer.parseInt(xy[0]);
		p.y = Integer.parseInt(xy[1]);
		return p;

	}

	@SuppressWarnings("unchecked")
	@Override
	public String convertToString(Map context, Object o) {
		// TODO Auto-generated method stub
		return o.toString();
	}

}

//注册资源文件——xwork-conversion.properties
java.awt.Point=com.bjsxt.converter.MyPointConverter