Ajax与servlet后台交互，数据类型JSON

package org.crazyit.ajax.domain; /** * Description: * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> * <br/>Copyright (C), 2001-2014, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee kongyeeku@163.com * @version 1.0 */ public class Book { private Integer id; private String name; private String author; private double price; // 无参数的构造器 public Book() { } // 初始化全部成员变量的构造器 public Book(Integer id , String name , String author , double price) { this.id = id; this.name = name; this.author = author; this.price = price; } // id的setter和getter方法 public void setId(Integer id) { this.id = id; } public Integer getId() { return this.id; } // name的setter和getter方法 public void setName(String name) { this.name = name; } public String getName() { return this.name; } // author的setter和getter方法 public void setAuthor(String author) { this.author = author; } public String getAuthor() { return this.author; } // price的setter和getter方法 public void setPrice(double price) { this.price = price; } public double getPrice() { return this.price; } }