public class Person {

    private int id;

    private String name;

    private String gender;

    private int age;

    public void setId(int id) {

        this.id = id;

    }

    public String getName() {

        return name;

}

。。。

}

var person = { id:'001', name:'test1', gender:'男', age:'15' };

var people =[{ id:'001', name:'test1', gender:'男', age:'15' },{ id:'002', name:'test2', gender:'女', age:'13' } ]

public ActionForward excute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {

    try {

        String text = null;

        // 用户登录名

        String logonName = request.getParameter("logonName");

        logonName = StringUtil.convertEncoding(logonName,"ISO8859_1");

        // 到数据库中进行检验...

        System.out.println("logonName:" + logonName);

        // 该用户已经存在

        text = logonName;

        // 将结果返回页面

        response.setContentType("text/xml; charset=UTF-8");

        response.setHeader("Cache-Control", "no-cache");

        PrintWriter pw = response.getWriter();

        pw.write(text);

        pw.close();

    } catch (Exception e) {

        e.printStackTrace();

    }

    //注意

    return null;

}

/*

增加人员

*/

function writePerson() {

    var url = 'ajax.do?method=showTableRows';

  var pars = Form.serialize(document.all.personForm);

     new Ajax.Request(

      url,

      {method: 'get', parameters: pars, onComplete: personResult}

  );

}

function personResult(result){

    fillTable(eval(result.responseText));

}

import java.lang.reflect.Field;

import java.lang.reflect.InvocationTargetException;

import java.util.List;

import org.apache.commons.beanutils.BeanUtils;

public class AjaxUtil {

    /**

     * 将list结构转变成js的array结构，要求list中包含的是model

     * 例如：[{id:'1001',name:'test1'},{id:'1002',name:'test2'},{id:'1003',name:'test3'}]

     *

     * @param list

     *            List结构

     * @return js的array结构

     *

     * @throws IllegalAccessException

     * @throws InvocationTargetException

     * @throws NoSuchMethodException

     */

    public static String list2StrArray(List list) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {

        StringBuffer strMap = new StringBuffer();

        strMap.append("[");

        int listSize = list.size();

        for (int i = 0; i < listSize; i++) {

            Object obj = list.get(i);

            if (i != listSize - 1)

                strMap.append(model2StrMap(obj)).append(",");

            else

                strMap.append(model2StrMap(obj));

        }

        strMap.append("]");

        return strMap.toString();

    }

    /**

     * 将model的结构转变成js的map结构

     * 例如：{id:'1001',name:'test'}

     *

     * @param obj

     *            任一对象

     * @return js的map结构

     *

     * @throws IllegalAccessException

     * @throws InvocationTargetException

     * @throws NoSuchMethodException

     */

    public static String model2StrMap(Object obj) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {

        StringBuffer strMap = new StringBuffer();

        // 获得model的属性字段

        Class clazz = obj.getClass();

        Field[] fields = clazz.getDeclaredFields();

        // 取出mode的属性值

        strMap.append("{");

        for (int i = 0; i < fields.length; i++) {

            String fieldName = fields[i].getName();

            String fieldValue = BeanUtils.getProperty(obj, fieldName);

            if (i != fields.length - 1)

                strMap.append(fieldName + ":'" + fieldValue + "',");

            else

                strMap.append(fieldName + ":'" + fieldValue + "'");

        }

        strMap.append("}");

        return strMap.toString();

    }

}