Struts2 ajax json使用介绍

一、jar包

首先引入Struts和json所需的jar包。

二、前台代码

<body>
     <form >
	<table>
		<tr>
			<td>姓名:</td>
			<td> <input type="text" name="name" /> </td>
		</tr>
		<tr>
			<td>性别:</td>
			<td>
				<input type="radio" name="sex" value="1"> 男
				<input type="radio" name="sex" value="0"> 女
			</td>
		</tr>
		<tr>
			<td>年龄:</td>
			<td>
				<select name="age">
					<option value="20">20</option>
					<option value="21">21</option>
					<option value="22">22</option>
				</select>
			</td>
		</tr>
		<tr>
			<td colspan="2">
				<input type="button"  />
			</td>
		</tr>
	</table>
     </form>
     <div ></div>
</body>


三、Action

import java.util.HashMap;
import java.util.Map;
import net.sf.json.JSONObject;

public class RegisterAction {

	private String name;
	private String sex;
	private String age;

	private String result;

	public String register() {

		Map<String, Object> map = new HashMap<String, Object>();
		map.put("msg", true);
		map.put("name", name);
		map.put("sex", sex==null?"":("1".equals(sex)?"男":"女"));
		map.put("age", age);
		JSONObject json = JSONObject.fromObject(map);//将map对象转换成json类型数据
		result = json.toString();// 将result传给页面
		
		return "success";
	}

	public String getName() {
		return name;
	}

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

	public String getSex() {
		return sex;
	}

	public void setSex(String sex) {
		this.sex = sex;
	}

	public String getAge() {
		return age;
	}

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

	public String getResult() {
		return result;
	}

	public void setResult(String result) {
		this.result = result;
	}

}

四、Struts配置

<struts>
	<package name="build" extends="json-default">
		<action name="RegisterAction" method="register" class="com.home.RegisterAction">
 			 <result type="json">
                <param name="root">result</param> <!-- result为action中要返回的数据  -->
            </result>
		</action>
	</package>
</struts>

示比例如以下图：


作者：itmyhome
出处：http://blog.csdn.net/itmyhome1990/article/details/41960911
源代码：download