Simple use of jsonobject and Jsonarray

One. Jar Package

1. Commons-lang.jar
2. Commons-beanutils.jar
3. Commons-collections.jar
4. Commons-logging.jar
5. Ezmorph.jar
6. Json-lib-2.2.2-jdk15.jar

Two. Code

 Packagecom.test;Importjava.util.ArrayList;ImportJava.util.HashMap;Importjava.util.List;ImportJava.util.Map;ImportNet.sf.json.JSONArray;ImportNet.sf.json.JSONObject; Public classTest { Public Static voidMain (string[] args) {NewTest (). Test1 (); NewTest (). Test2 (); NewTest (). TEST3 (); NewTest (). TEST4 (); NewTest (). TEST5 (); NewTest (). TEST6 (); NewTest (). TEST7 (); }    /*** JSON string to Jsonobject object*/     Public voidtest1 () {String jsonstr= "{\" name\ ": \" zhangsan\ ", \" sex\ ": \" boy\ ", \" age\ ": 18}"; Jsonobject Jsonobj=Jsonobject.fromobject (JSONSTR);    System.out.println (Jsonobj.tostring ()); }    /*** Simple Jsonobject object to Java object*/     Public voidtest2 () {jsonobject jsonobj=NewJsonobject (); Jsonobj.put ("Name", "LiSi"); Jsonobj.put ("Sex", "Girl"); Jsonobj.put ("Age", 17); Student Student= (Student) Jsonobject.tobean (Jsonobj, Student.class); System.out.println (Student.getname ()+ "|" + student.getsex () + "|" +student.getage ()); }    /*** Complex Jsonobject object to Java object*/@SuppressWarnings ("Rawtypes")     Public voidtest3 () {List<Student> students =NewArraylist<student>(); Students.add (NewStudent ("Zhangsan", "Boy", 18)); Students.add (NewStudent ("LiSi", "Girl", 17)); Banji Banji=NewBanji (); Banji.setbanjiname ("Japanese Class II");        Banji.setstudents (students); Jsonobject Jsonobj=Jsonobject.fromobject (Banji); Map<string, class> classmap =NewHashmap<string, class>(); Classmap.put ("Students", Student.class); Banji Banji2= (Banji) Jsonobject.tobean (Jsonobj, Banji.class, Classmap); System.out.println (Banji2.getstudents (). Get (0). GetName ());//Verify that the conversion was successful    }    /*** Simple Java Collection Object goto Jsonarray*/     Public voidtest4 () {List<Student> students =NewArraylist<student>(); Students.add (NewStudent ("Zhangsan", "Boy", 18)); Students.add (NewStudent ("LiSi", "Girl", 17)); Jsonarray Jsonarray=Jsonarray.fromobject (students);    System.out.println (Jsonarray.tostring ()); }    /*** Jsonarray to Java Collection Objects*/@SuppressWarnings ({"Unchecked", "deprecation" })     Public voidTest5 () {jsonobject jsonObj1=NewJsonobject (); Jsonobj1.put ("Name", "Zhangsan"); Jsonobj1.put ("Sex", "boy"); Jsonobj1.put ("Age", 18); Jsonobject JsonObj2=NewJsonobject (); Jsonobj2.put ("Name", "Lisi"); Jsonobj2.put ("Sex", "Girl"); Jsonobj2.put ("Age", 17); Jsonarray Jsonarray=NewJsonarray (); Jsonarray.add (0, jsonObj1); Jsonarray.add (1, JSONOBJ2); List<Student> students3 = jsonarray.tolist (Jsonarray, Student.class); System.out.println (Students3.get (0). GetName ()); System.out.println (Students3.get (1). GetName ()); }    /*** Complex Java Collection Object goto Jsonarray*/@SuppressWarnings ({"Rawtypes", "unchecked", "deprecation" })     Public voidTest6 () {Banji banji1=NewBanji (); Banji1.setbanjiname ("Japanese class"); List<Student> Students1 =NewArraylist<student>(); Students1.add (NewStudent ("Zhangsan", "Boy", 18));        Banji1.setstudents (STUDENTS1); Banji Banji2=NewBanji (); Banji2.setbanjiname ("Japanese Class II"); List<Student> students2 =NewArraylist<student>(); Students1.add (NewStudent ("LiSi", "Girl", 17));        Banji2.setstudents (STUDENTS2); List<BanJi> banjilist =NewArraylist<banji>();        Banjilist.add (BANJI1);        Banjilist.add (BANJI2); Jsonarray Jsonarray=Jsonarray.fromobject (banjilist); Map<string, class> classmap =NewHashmap<string, class>(); Classmap.put ("Students", Student.class); List<BanJi> banjiList2 = jsonarray.tolist (Jsonarray, Banji.class, Classmap); System.out.println (Banjilist2.get (0). getstudents (). Get (0). GetName ()); }    /*** Split Jsonarray to Jsonobject*/     Public voidtest7 () {jsonobject jsonObj1=NewJsonobject (); Jsonobj1.put ("Name", "Zhangsan"); Jsonobj1.put ("Sex", "boy"); Jsonobj1.put ("Age", 18); Jsonobject JsonObj2=NewJsonobject (); Jsonobj2.put ("Name", "Lisi"); Jsonobj2.put ("Sex", "Girl"); Jsonobj2.put ("Age", 17); Jsonarray Jsonarray=NewJsonarray (); Jsonarray.add (0, jsonObj1); Jsonarray.add (1, JSONOBJ2); Jsonobject Object= (jsonobject) jsonarray.get (0);    System.out.println (Object.ToString ()); }}

 Packagecom.test;Importjava.util.List;/*** Class Category*/ Public classBanji {PrivateString Banjiname;//class name    PrivateList<student> students;//Student    /*** Constructor Function*/     PublicBanji () {Super(); }    //getters/setters (slightly)}

 Packagecom.test;/*** Student Class*/ Public classStudent {PrivateString name;//name    PrivateString sex;//Sex    Private intAge//Age    /*** Constructor Function*/     PublicStudent () {Super(); }    /*** Constructor Function*/     PublicStudent (string name, String sex,intAge ) {        Super();  This. Name =name;  This. Sex =sex;  This. Age =Age ; }    //getters/setters (slightly)}

Simple use of jsonobject and Jsonarray