- import java.util.ArrayList;
- import java.util.Collection;
- import java.util.Iterator;
- import java.util.List;
-
- import net.sf.json.JSONArray;
- import net.sf.json.JSONObject;
-
- public class MainClass {
-
- public static void main(String[] args) {
- TestJsonBean();
- TestJsonAttribute();
- TestJsonArray();
- }
-
- @SuppressWarnings("rawtypes")
- private static void TestJsonArray() {
- Student student1 = new Student();
- student1.setId(1);
- student1.setName("jag");
- student1.setSex("man");
- student1.setAge(25);
- student1.setHobby(new String[]{"籃球","游戲"});
-
- Student student2 = new Student();
- student2.setId(2);
- student2.setName("tom");
- student2.setSex("woman");
- student2.setAge(23);
- student2.setHobby(new String[]{"上網(wǎng)","跑步"});
-
- List<Student> list = new ArrayList<Student>();
- list.add(student1);
- list.add(student2);
-
- JSONArray jsonArray = JSONArray.fromObject(list);
- System.out.println(jsonArray.toString());
-
- JSONArray new_jsonArray=JSONArray.fromObject(jsonArray.toArray());
- Collection java_collection=JSONArray.toCollection(new_jsonArray);
- if(java_collection!=null && !java_collection.isEmpty())
- {
- Iterator it=java_collection.iterator();
- while(it.hasNext())
- {
- JSONObject jsonObj=JSONObject.fromObject(it.next());
- Student stu=(Student) JSONObject.toBean(jsonObj,Student.class);
- System.out.println(stu.getName());
- }
- }
- }
-
- private static void TestJsonAttribute() {
- /**
- * 創(chuàng)建json對象并為該對象設(shè)置屬性
- */
- JSONObject jsonObj = new JSONObject();
- jsonObj.put("Int_att",25);//添加int型屬性
- jsonObj.put("String_att","str");//添加string型屬性
- jsonObj.put("Double_att",12.25);//添加double型屬性
- jsonObj.put("Boolean_att",true);//添加boolean型屬性
- //添加JSONObject型屬性
- JSONObject jsonObjSon = new JSONObject();
- jsonObjSon.put("id", 1);
- jsonObjSon.put("name", "tom");
- jsonObj.put("JSONObject_att",jsonObjSon);
- //添加JSONArray型屬性
- JSONArray jsonArray = new JSONArray();
- jsonArray.add("array0");
- jsonArray.add("array1");
- jsonArray.add("array2");
- jsonArray.add("array3");
- jsonObj.put("JSONArray_att", jsonArray);
- System.out.println(jsonObj.toString());
- System.out.println("Int_att:"+jsonObj.getInt("Int_att"));
- System.out.println("String_att:"+jsonObj.getString("String_att"));
- System.out.println("Double_att:"+jsonObj.getDouble("Double_att"));
- System.out.println("Boolean_att:"+jsonObj.getBoolean("Boolean_att"));
- System.out.println("JSONObject_att:"+jsonObj.getJSONObject("JSONObject_att"));
- System.out.println("JSONArray_att:"+jsonObj.getJSONArray("JSONArray_att"));
- }
-
- /**
- * java對象與json對象互相轉(zhuǎn)換
- */
- private static void TestJsonBean() {
- /**
- * 創(chuàng)建java對象
- */
- Student student = new Student();
- student.setId(1);
- student.setName("jag");
- student.setSex("man");
- student.setAge(25);
- student.setHobby(new String[]{"籃球","上網(wǎng)","跑步","游戲"});
- /**
- * java對象轉(zhuǎn)換成json對象，并獲取json對象屬性
- */
- JSONObject jsonStu = JSONObject.fromObject(student);
- System.out.println(jsonStu.toString());
- System.out.println(jsonStu.getJSONArray("hobby"));
- /**
- * json對象轉(zhuǎn)換成java對象，并獲取java對象屬性
- */
- Student stu = (Student) JSONObject.toBean(jsonStu, Student.class);
- System.out.println(stu.getName());
- /**
- * 創(chuàng)建json對象
- */
- JSONObject jsonObj = new JSONObject();
- jsonObj.put("id",1);
- jsonObj.put("name","張勇");
- jsonObj.put("sex","男");
- jsonObj.put("age",24);
- //jsonObj.put("hobby",new String[]{"上網(wǎng)","游戲","跑步","音樂"});
- //System.out.println(jsonObj.toString());
- /**
- * json對象轉(zhuǎn)換成java對象
- */
- Student stud = (Student) JSONObject.toBean(jsonObj,Student.class);
- System.out.println(stud.getName());
- }
- }
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