原生Java+JQuery form表单serializeArray提交自动对应java实体，这是一个实际的例子：

html界面：

<form id="data-form">
    秒杀一：<input class="td_input" name="killA" type="number"><br>
    秒杀二：<input class="td_input" name="killB" type="number"><br>
    秒杀三：<input class="td_input" name="killC" type="number"><br>
    秒杀四：<input class="td_input" name="killD" type="number"><br>
</form>
<div>
    <span id = "killApple" style="padding: 20px;">开始秒杀</span>
</div>

JS脚本，表单序列化 + 异步请求：

//点击提交，发送异步请求
$("#killApple").click(function(content){
    //获取表单数据，并序列化
    var formData = $("#flop-form").serializeArray();
    //将序列化数据转为对象
    var formObject = {};
    for (var item in formData) {
        formObject[formData[item].name] = formData[item].value;
    }
    formData = JSON.stringify(formObject);
    //发送JSON到服务器
    $.ajax({
        type: "POST",
        url: "/kill/killOrder",
        contentType: "application/json",  //一定要设置这一行，很关键
        data : formData,
        datatype: "json",
        success: function (data) {
            alert(JSON.stringify(data));
        }
    });
});

秒杀下单控制器：

package com.seesun2012.controller;

import javax.servlet.http.HttpServletRequest;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import com.seesun2012.dao.entity.KillOrder;
import com.seesun2012.utils.Result;

/**
 * 【秒杀下单】控制器
 * 
 * @author [email protected]
 *
 */
@Controller
@RequestMapping("/kill")
public class GameController extends BaseController{

    /**
     * 衬衫秒杀
     */
    @RequestMapping(value = "/killApple", method = RequestMethod.POST, consumes = "application/json")
    @ResponseBody
    public Result killOrder(HttpServletRequest request, @RequestBody KillOrder ko){
        try {
            //具体业务实现
            return Result.build(200, "秒杀成功");
        } catch (Exception e) {
            return Result.build(500, e.getMessage());
        }
    }

}

秒杀实体Bean：

package com.seesun2012.dao.entity;

/**
 * 秒杀参数实体
 */
public class KillOrder {

    private Integer killA;
    private Integer killB;
    private Integer killC;
    private Integer killD;

    //TODO GET、SET方法...

}

秒杀结果返回工具类：

package com.seesun2012.utils;

import java.io.Serializable;
import java.util.HashMap;

/**
 * 统一返回结果类
 * 
 * @author [email protected]
 *
 *//
public class Result extends HashMap<String, Object> implements Serializable {

    private static final long serialVersionUID = 1L;
    public static final Result SUCCEED = new Result(0, "操作成功");

    public Result(int status, String massage) {
        super();
        this.put("status", status).put("message", massage);
    }

    public Result put(String key, Object value) {
        super.put(key, value);
        return this;
    }

    public static Result build(int i, String message) {
        return new Result(i, message);
    }

}