使用Fastjson序列化与反序列化对象

1. public class JSONobject {  
2.   
3. private String obj;  
4. private String color;  
5.   
6. public String getObj() { return obj; }  
7. public void setObj(String obj) { this.obj = obj; }  
8. public String getcolor() { return color; }  
9. public void setcolor(String color) { this.color = color; }  
10.   
11.       
12. }

1. public class fastjson {  
2.   
3. public static void main(String[] args) {  
4. // TODO Auto-generated method stub  
5. new JSONobject();  
6. "red");  
7. "s");  
8. //序列化  
9.         String text = JSON.toJSONString(ins);  
10.         System.out.println(text);  
11. //反序列化  
12. class);  
13.         System.out.println(ins1.getColor());  
14.         System.out.println(ins1.getObj());  
15.     }  
16.   
17. }

显示的结果是：

{"color":"red","obj":"s"}
 red
 s

先建立JSONobject类，对于类里面的每个变量分别都有两个配套函数，一个都不可以少，一个是set，一个是get,其中set,与get后面的字母必须以大写字母开头

如果解析List<object[]>类型的话，需要新版本的fastjson,旧版本的会出错，而且一定要有默认的构造函数

1. public class part {  
2. public String attr;  
3. public String value;  
4. public String obj;  
5.       
6.     part(String obj,String attr,String value){  
7. this.obj = obj;  
8. this.attr = attr;  
9. this.value = value;  
10.     }  
11.     part(){  
12.           
13.     }  
14. public String getObj() { return obj; }  
15. public void setObj(String obj) { this.obj = obj; }  
16. public String getAttr() { return attr; }  
17. public void setAttr(String attr) { this.attr = attr; }  
18. public String getValue() { return value; }  
19. public void setValue(String value) { this.value = value; }  
20. }

1. import java.util.ArrayList;  
2. import java.util.List;  
3.   
4. public class JSONobject {  
5.   
6. private String obj;  
7. private String color;  
8. private List<part> parts = new ArrayList<part>();  
9.       
10. public List<part> getPart() { return parts; }  
11. public void setPart(List<part> parts) { this.parts = parts; }  
12.   
13. public String getObj() { return obj; }  
14. public void setObj(String obj) { this.obj = obj; }  
15.       
16. public String getColor() { return color; }  
17. public void setColor(String color) { this.color = color; }  
18.       
19.       
20. }

1. import com.alibaba.fastjson.JSON;  
2.   
3. public class fastjson {  
4.   
5. public static void main(String[] args) {  
6. // TODO Auto-generated method stub  
7. new JSONobject();  
8. "red");  
9. "s");  
10.           
11. new part("head","color","red");  
12. new part("foot","color","green");  
13.           
14.         ins.getPart().add(p1);  
15.         ins.getPart().add(p2);  
16. //序列化  
17.         String text = JSON.toJSONString(ins);  
18.         System.out.println(text);  
19. //反序列化  
20. class);  
21.         System.out.println(ins1.getColor());  
22.         System.out.println(ins1.getObj());  
23.     }  
24.   
25. }

​​http://code.alibabatech.com/wiki/display/FastJSON/Tutorial​​