json和bean转换(转)
- package com.testjson;
- public class Person
- {
- private String name;
- private Integer age;
- public String getName()
- {
- return name;
- }
- public void setName(String name)
- {
- this.name = name;
- }
- public Integer getAge()
- {
- return age;
- }
- public void setAge(Integer age)
- {
- this.age = age;
- }
- }
package com.testjson;
public class Person
{
private String name;
private Integer age;
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public Integer getAge()
{
return age;
}
public void setAge(Integer age)
{
this.age = age;
}
}
- package com.testjson;
- import net.sf.json.JSONObject;
- public class test
- {
- public static void main(String[] args)
- {
- Person p = new Person();
- p.setAge(11);
- p.setName("测试");
- JSONObject jsonObj1 = JSONObject.fromObject(p);
- System.out.println("JSON输出后的:" + jsonObj1.toString());
- JSONObject jsonObj2 = JSONObject.fromObject(jsonObj1);
- System.out.println("JSONObject输出后的:" + jsonObj2.toString());
- Person p2 = (Person)JSONObject.toBean(jsonObj1, Person.class);
- System.out.println("json转化为对象:姓名:" + p2.getName() + ";年龄:" + p2.getAge());
- /*********处理js格式问题************/
- // JsonConfig config = new JsonConfig();
- // config.setIgnoreDefaultExcludes(false);
- // config.registerJsonBeanProcessor(Date.class, new JsDateJsonBeanProcessor());
- /**************处理Integer为null时输出为0的问题 版本需要2.3**************/
- // JsonConfig jsonConfig = new JsonConfig();
- // jsonConfig.registerDefaultValueProcessor(Integer.class, new MyDefaultIntegerValueProcessor());
- // JsonConfig jsonConfig = new JsonConfig();
- // jsonConfig.findJsonValueProcessor(Integer.class, new DefaultValueProcessor()
- // {
- // public Object getDefaultValue(Class type)
- // {
- // return null;
- // }
- // });
- }
- }
package com.testjson;
import net.sf.json.JSONObject;
public class test
{
public static void main(String[] args)
{
Person p = new Person();
p.setAge(11);
p.setName("测试");
JSONObject jsonObj1 = JSONObject.fromObject(p);
System.out.println("JSON输出后的:" + jsonObj1.toString());
JSONObject jsonObj2 = JSONObject.fromObject(jsonObj1);
System.out.println("JSONObject输出后的:" + jsonObj2.toString());
Person p2 = (Person)JSONObject.toBean(jsonObj1, Person.class);
System.out.println("json转化为对象:姓名:" + p2.getName() + ";年龄:" + p2.getAge());
/*********处理js格式问题************/
// JsonConfig config = new JsonConfig();
// config.setIgnoreDefaultExcludes(false);
// config.registerJsonBeanProcessor(Date.class, new JsDateJsonBeanProcessor());
/**************处理Integer为null时输出为0的问题 版本需要2.3**************/
// JsonConfig jsonConfig = new JsonConfig();
// jsonConfig.registerDefaultValueProcessor(Integer.class, new MyDefaultIntegerValueProcessor());
// JsonConfig jsonConfig = new JsonConfig();
// jsonConfig.findJsonValueProcessor(Integer.class, new DefaultValueProcessor()
// {
// public Object getDefaultValue(Class type)
// {
// return null;
// }
// });
}
}
- package com.testjson;
- import net.sf.json.JSONNull;
- import net.sf.json.processors.DefaultValueProcessor;
- public class MyDefaultIntegerValueProcessor implements DefaultValueProcessor
- {
- public Object getDefaultValue(Class type)
- {
- if (type != null && Integer.class.isAssignableFrom(type))
- {
- return Integer.valueOf(9999);
- }
- return JSONNull.getInstance();
- }
- }
package com.testjson;
import net.sf.json.JSONNull;
import net.sf.json.processors.DefaultValueProcessor;
public class MyDefaultIntegerValueProcessor implements DefaultValueProcessor
{
public Object getDefaultValue(Class type)
{
if (type != null && Integer.class.isAssignableFrom(type))
{
return Integer.valueOf(9999);
}
return JSONNull.getInstance();
}
}
posted on 2013-09-24 10:47 TouTou9055 阅读(465) 评论(0) 收藏 举报

浙公网安备 33010602011771号