1 package com.test.fastjson.entity;  2   3 import java.util.Date;  4   5 public class User {  6     private Long id;  7     /**  8      * 登录名  9      */ 10     private String loginName; 11     /** 12      * 用户名 13      */ 14     private String userName; 15     /** 16      * 手机号码 17      */ 18     private String cellNO; 19      20     /** 21      * password 22      */ 23     private String password; 24     /** 25      * update时间 26      */ 27     private Date updateDate; 28      29     private String sex; 30      31     private Classes classes; 32      33     /** 34      * 是否可用 35      * [JPA没有boolean类型,在get/set方法中修改. 持久导的实体属性使用Character类型，则领域层可直接使用boolean类型。] 36      */ 37     private Character enabled; 38      39     // setter/getter 40      41     public Boolean getEnabled() { 42         if (enabled == null) 43             return null; 44         return enabled == ‘Y‘ ? Boolean.TRUE : Boolean.FALSE; 45     } 46  47     public void setEnabled(Boolean enabled) { 48         if (enabled == null) { 49             this.enabled = null; 50         } else { 51             this.enabled = enabled == true ? ‘Y‘ : ‘N‘; 52         } 53     } 54      55     public String getLoginName() { 56         return loginName; 57     } 58  59     public String getSex() { 60         return sex; 61     } 62  63     public void setSex(String sex) { 64         this.sex = sex; 65     } 66  67     public void setLoginName(String loginName) { 68         this.loginName = loginName; 69     } 70  71     public String getUserName() { 72         return userName; 73     } 74  75     public void setUserName(String userName) { 76         this.userName = userName; 77     } 78  79     public String getCellNO() { 80         return cellNO; 81     } 82  83     public void setCellNO(String cellNO) { 84         this.cellNO = cellNO; 85     } 86  87     public Long getId() { 88         return id; 89     } 90  91     public void setId(Long id) { 92         this.id = id; 93     } 94  95     public String getPassword() { 96         return password; 97     } 98  99     public void setPassword(String password) {100         this.password = password;101     }102 103     public Date getUpdateDate() {104         return updateDate;105     }106 107     public void setUpdateDate(Date updateDate) {108         this.updateDate = updateDate;109     }110 111     public Classes getClasses() {112         return classes;113     }114 115     public void setClasses(Classes classes) {116         this.classes = classes;117     }118 }

 1 package com.test.fastjson.entity; 2  3 import java.util.List; 4  5 public class Classes { 6      7     private String name; 8     private List<User> u; 9     10     public String getName() {11         return name;12     }13     public void setName(String name) {14         this.name = name;15     }16     public List<User> getU() {17         return u;18     }19     public void setU(List<User> u) {20         this.u = u;21     }22 23     24 }

 1 package com.test.fastjson; 2  3 import java.util.Date; 4  5 import com.alibaba.fastjson.JSON; 6 import com.alibaba.fastjson.serializer.SerializerFeature; 7 import com.test.fastjson.entity.Classes; 8 import com.test.fastjson.entity.User; 9 10 public class testFastjson {11 12     public static void main(String[] args) {13         Classes c=new Classes();14         c.setName("class one");15         16         User u=new User();17         u.setCellNO("1555555555");18         u.setId(232323L);19         u.setUpdateDate(new Date());20         u.setClasses(c);21         22         //obj2str 序列化23         String str=JSON.toJSONString(u);24         System.out.println(str);25         //str2obj 反序列化：26         User u2=JSON.parseObject(str, User.class);27 //        Object o=JSON.parse(str);28         System.out.println("cellNO= "+u2.getCellNO()+" UpdateDate= "+u2.getUpdateDate()+" class= "+u2.getClass().getName());29         30     }31     32 33 }

{"cellNO":"1555555555","classes":{"name":"class one"},"id":232323,"updateDate":1421047634650}cellNO= 1555555555 UpdateDate= Mon Jan 12 15:27:14 CST 2015 class= com.test.fastjson.entity.User