json应用（2）

曾经终败给现在 2022-09-22 15:59 117阅读 0赞

jar包导入：[http://pan.baidu.com/s/1c1Irf4c][http_pan.baidu.com_s_1c1Irf4c]

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person.java

package com.dx.pojo;  
  
public class Person \{  
private String name;  
private String password;  
  
public Person()\{\};  
  
public Person(String name,String password)\{  
this.name = name;  
this.password = password;  
\}  
public String getName() \{  
return name;  
\}  
public void setName(String name) \{  
this.name = name;  
\}  
public String getPassword() \{  
return password;  
\}  
public void setPassword(String password) \{  
this.password = password;  
\}  
@Override  
public String toString() \{  
return "Person \[name=" + name + ", password=" + password + "\]";  
\}  
  
\}

ShopList.java

package com.dx.pojo;  
  
  
import java.util.List;  
  
  
public class ShopList \{  
private List<Person> shopList;  
  
  
public List<Person> getShopList() \{  
return shopList;  
\}  
  
public void setShopList(List<Person> shopList) \{  
this.shopList = shopList;  
\}  
\}

package com.dx.test;  
  
  
import java.util.ArrayList;  
import java.util.HashMap;  
import java.util.List;  
import java.util.Map;  
import net.sf.json.JSONArray;  
import net.sf.json.JSONObject;  
import net.sf.json.xml.XMLSerializer;  
import com.dx.pojo.Person;  
import com.dx.pojo.ShopList;  
  
  
public class Demo1 \{  
public static void main(String\[\] args) throws Exception \{   
//test1();  
//test2();  
//test3();  
test4();  
//test5();  
\}  
  
//将对象转换程json  
public static void test1()\{  
Person p = new Person("zhangsan","12345");  
JSONObject m = JSONObject.fromObject(p);  
System.out.println(m.toString());  
\}  
  
//将map集合转换成json  
public static void test2()\{  
HashMap map = new HashMap();  
map.put("name", "zhangsan");  
map.put("password", "123456");  
JSONObject m = JSONObject.fromObject(map);  
System.out.println(m.toString());  
\}  
  
//将list集合转换成json  
public static void test3()\{  
ArrayList<Person> list = new ArrayList<Person>();  
Person p1 = new Person("zhangsan","12345");  
Person p2 = new Person("lisi","432445");  
list.add(p1);  
list.add(p2);  
JSONArray m = JSONArray.fromObject(list);  
System.out.println(m.toString());  
\}  
  
//将string转换成bean  
public static void test4()\{  
HashMap<String,Object> map = new HashMap<String,Object>();  
map.put("shopList", Person.class);  
String person = "\{name:'zhangsan',password:'1233432'\}";  
Person p = (Person) JSONObject.toBean(JSONObject.fromObject(person), Person.class);  
System.out.println(p);  
  
//转换成集合对象  
String persons = "\{'shopList':\[\{name:'zhangsan',password:'1233432'\},\{name:'zhangsan',password:'1233432'\}\]\}";  
ShopList list = (ShopList)JSONObject.toBean(JSONObject.fromObject(persons), ShopList.class,map);  
List<Person> l = list.getShopList();  
for(int i = 0; i < l.size(); i++)\{  
System.out.println(l.get(i));  
\}  
\}  
  
//将json转换成xml  
public static void test5()\{  
String person = "\{name:'zhangsan',password:'1233432'\}";  
JSONObject o = JSONObject.fromObject(person);  
XMLSerializer out = new XMLSerializer();  
System.out.println(out.write(o));  
\}

[http_pan.baidu.com_s_1c1Irf4c]: http://pan.baidu.com/s/1c1Irf4c
[Center]: /images/20220721/5e894ebfc21e47b08f0ff23cc970af34.png