json lib

PackageDemo4;Importjava.io.Serializable;Importnet.sf.json.JSONString; Public classUserImplementsjsonstring,serializable{/** * */ Private Static Final LongSerialversionuid = 1L; Private LongID; PrivateString name; PrivateString password;

Add the following configuration information in the MAVEN configuration file Pom.xml:Dependency> groupId>Net.sf.json-libgroupId> Artifactid>Json-libArtifactid> version>2.4version> classifier>Jdk15classifier>Dependency>Note:In the MAVEN

JSON-lib test class: Package COM. jadyer. JSON; Import Java. util. arraylist; Import Java. util. hashmap; Import Java. util. hashset; Import Java. util. list; Import Java. util. map; Import Java. util. set; Import net. SF. JSON. jsonarray;

1. from object to stringTo construct a jsonobject or Jsonarray object with object, then call its ToString () method to(1) Example one1 book Book=new book ();2 Book.setname ("Java");3 Book.setprice (52.3f);4 Jsonobject object=jsonobject.fromobject

jsonobject This object can be seen as a mapTwo methods of construction:Jsonobject Jo = new Jsonobject ();jsonobject Jo = Jsonobject.fromobject ( requires a Map object or JavaBean object here ) ;Convert to JSON string: string json = jo.tostring ();

1.Json stringPrintWriter Out=response.getwriter ();String resultjson= "{\" name\ ": \" Zhang san \ ", \" age\ ": 22}";Jsonobject resultjson=new jsonobject ();Resultjson.put ("name", "Zhang San");Resultjson.put ("Age", 22);Out.println

Java object and json data conversion method 1-use json-lib Test code: Package com. yanek. util. json; import java. util. arrayList; import java. util. list; import net. sf. json. JSONArray; import net. sf. json. JSONObject; public class

1, FastjsonIntroduction Packagecom.alibabafastjson1.2.16JSON string goto Jsonobject/jsonarrayJsonobject Jsonobject = Jsonobject.parseobject (jsonstring);Get child nodesJsonobject. getString ();Jsonobject. GetArray ();Jsonobject. getDate

Dependent jar:Commons-beanutils-1.9.3.jar?Commons-collections-3.1.jarCommons-lang-2.4.jarCommons-logging-1.2.jarEzmorph-1.0.6.jarJson-lib-2.4-jdk15.jarTest procedure:1, Person.java: import java.util.List; /** * Created by Administrator to 2017/5

Arrays and lists, collection, etc. are parsed with Jsonarray Boolean[] Boolarray =New Boolean[]{true,false,true}; Jsonarray Jsonarray=Jsonarray.fromobject (Boolarray); System.out.println (Jsonarray); //prints [true,false,true]List List

The package used:Commons-beanutils.jarCommons-collections-3.1.jarCommons-lang.jarCommons-logging-1.1.3.jarEzmorph-1.0.jarJson-lib-2.2.2-jdk15.jarLet's look at the interaction between JSON and string.User.java User Object Package test; Public class

Android cannot use Json-lib-2.4-jdk15.jar, to use its own Org.json pack Use the following methods: public static int getplatforminfolist (String json){int count=0;try {Jsonarray jarr=new Jsonarray (JSON);int length = Jarr.length ();for (int i =

JSON lib 2.4 required Jar pack The official statement is that at least the following packages are required Jakarta Commons-lang 2.5 Jakarta Commons-beanutils 1.8.0 Jakarta commons-collections 3.2.1 Jakarta commons-logging 1.1.1 E Zmorph 1.0.6

Recently done some performance optimization work, in the selection of JSON class library, found in addition to the commonly used json-lib, there is also known as the fastest performance of the JSON processor Jackson, and then used the newly learned

This article transferred from: http://blog.csdn.net/yangbobo1992/article/details/83507651. from object to stringTo construct a jsonobject or Jsonarray object with object, then call its ToString () method to(1) Example one1 book Book=new Book (), 2

Net. SF. JSON format date Similar to other types Date is before formatting createdate ": {" date ": 4," day ": 2," hours ": 17," Minutes ": 18," month ": 7, "seconds": 34, "Time": 1249377514000, "timezoneoffset":-480, "year": 109}  

Dependent jar:Commons-beanutils-1.9.3.jar?Commons-collections-3.1.jarCommons-lang-2.4.jarCommons-logging-1.2.jarEzmorph-1.0.6.jarJson-lib-2.4-jdk15.jarDirectly on the program1, Person.java: import java.util.List; /** * Created by Administrator

Second, the list and JSON string of the mutual transferlist--"JSON string Public Static voidListtojson () {Student stu=NewStudent (); Stu.setname ("JSON"); Stu.setage ("23"); Stu.setaddress ("Haidian District, Beijing"); List lists=NewArraylist();

1. from object to stringTo construct a jsonobject or Jsonarray object with object, then call its ToString () method to(1) Example one1 book book=new Book (); 2 book.setname ("Java"); 3 book.setprice (52.3f); 4 jsonobject

This problem is easy to use with Hibernate, mainly due to the cascading relationship of Pojo class attributes. For example, employees and departments, which have departmental attributes in the employee table, and a collection of employees in the