Use JSON-lib to generate JSON text

JSON-lib test class:

Package COM. jadyer. JSON; </P> <p> Import Java. util. arraylist; <br/> Import Java. util. hashmap; <br/> Import Java. util. hashset; <br/> Import Java. util. list; <br/> Import Java. util. map; <br/> Import Java. util. set; </P> <p> Import net. SF. JSON. jsonarray; <br/> Import net. SF. JSON. jsonobject; </P> <p> Import COM. jadyer. model. student; <br/> Import COM. jadyer. model. teacher; </P> <p>/** <br/> * Java's support for JSON is not only reflected in JSON-lib, for more information, visit http://www.json.org <br/> * @ See also has a more powerful toolkit Jackson, its official website is http://jackson.codehaus.org <br/> * @ see has been tested on the internet, get the conclusion Jackson> gson> JSON-lib, for more information, see http://wangym.javaeye.com/blog/738933 <br/> * @ see JSON-lib to convert entity, MAP, collection, array, and XML in Java into JSON data formats <br/> * @ See note json-lib-2.4-jdk15.jar also dependent on other jar packages <br/> * @ see depends on ezmorph-1.0.6, commons-lang-2.5, commons-beanutils-1.8.0, commons-collections3.2.1, commons-logging-1.1.1 <br/> * @ See Official JSON-lib the website is http://json-lib.sourceforge.net <br/> * @ see ezmorph official website is http://ezmorph.sourceforge.net <br/> */<br/> public class jsonlibdemo {<br/> Public static void main (string [] ARGs) {<br/> testjavabean (); <br/> testmap (); <br/> testarray (); <br/>}</P> <p> Public static void testjavabean () {<br/> Student Stu = new student ("Shen Lang", 22 ); <br/> jsonobject = jsonobject. fromobject (Stu); <br/> system. out. println (jsonobject. tostring (); </P> <p> Teacher = new teacher (); <br/> teacher. setname ("Zhang qiling"); <br/> teacher. getstudents (). add (new student ("Wu xie", 25); <br/> teacher. getstudents (). add (new student ("black glasses", 26); <br/> teacher. getstudents (). add (new student ("Chen Wenjin", 27); <br/> jsonobject jsonobject22 = jsonobject. fromobject (teacher); <br/> system. out. println (jsonobject22.tostring (); <br/>}</P> <p> Public static void testmap () {<br/> Map <string, object> map = new hashmap <string, Object> (); <br/> map. put ("name", "Oil Bottle"); <br/> map. put ("favorate", new string [] {"sleeping", "Daze", "cool"}); <br/> map. put ("getfavorate", "function (I) {return this. favorate [I]} "); <br/> jsonobject = jsonobject. fromobject (MAP); <br/> system. out. println (jsonobject); <br/>}</P> <p> Public static void testarray () {<br/> string [] users = {"Zhao hongbing ", "Little Beijing", "dongba Tian" };< br/> jsonarray = jsonarray. fromobject (users); <br/> system. out. println (jsonarray. tostring (); </P> <p> integer [] numbers = {1, 2, 3}; <br/> jsonarray = jsonarray. fromobject (numbers); <br/> system. out. println (jsonarray. tostring (); </P> <p> Boolean [] booleanarray = {true, false, false, true}; <br/> jsonarray = jsonarray. fromobject (booleanarray); <br/> system. out. println (jsonarray. tostring (); </P> <p> List <string> List = new arraylist <string> (); <br/> list. add ("Zhang Xiaofan"); <br/> list. add ("Lin Jing Yu"); <br/> list. add ("tens of thousands"); <br/> jsonarray = jsonarray. fromobject (list); <br/> system. out. println (jsonarray. tostring (); </P> <p> set <student> students = new hashset <student> (); <br/> students. add (new student ("Lu Yi Zhi", 25); <br/> students. add (new student ("Yunlong", 26); <br/> students. add (new student ("Jin Yufeng", 27); <br/> jsonarray = jsonarray. fromobject (students); <br/> system. out. println (jsonarray. tostring (); <br/>}< br/>}

 

Entity classes used

Package COM. jadyer. model; <br/> public class student {<br/> private string name; <br/> private integer age; <br/>/* getter and setter methods for the two attributes */<br/> Public student () {}< br/> Public student (string name, integer age) {<br/> This. name = Name; <br/> This. age = age; <br/>}</P> <p> package COM. jadyer. model; <br/> Import Java. util. hashset; <br/> Import Java. util. set; <br/> public class teacher {<br/> private string name; <br/> private set <student> students = new hashset <student> (); <br/>/* The getter and setter methods of the two attributes are omitted */<br/>}