首先申明所需jar包:
- ezmorph-1.0.6.jar
- jackson-all-1.7.6.jar
- jsoup-1.5.2.jar
一、创建一个实体类Emp.
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package com.hyx.entity;
public class Emp {
private Integer id;
private String name;
private Integer dptNo;
private String gender;
private String duty;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this .id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this .name = name;
}
public Integer getDptNo() {
return dptNo;
}
public void setDptNo(Integer dptNo) {
this .dptNo = dptNo;
}
public String getGender() {
return gender;
}
public void setGender(String gender) {
this .gender = gender;
}
public String getDuty() {
return duty;
}
public void setDuty(String duty) {
this .duty = duty;
}
}
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二、实体类转换为Json
(1)
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import java.io.IOException;
import net.sf.json.JSONObject;
import org.apache.struts2.json.JSONException;
import org.codehaus.jackson.map.ObjectMapper;
import com.hyx.entity.Emp;
public class MainTest {
public static <T> String objectToJson(T obj) throws JSONException, IOException {
ObjectMapper mapper = new ObjectMapper();
// Convert object to JSON string
String jsonStr = "" ;
try {
jsonStr = mapper.writeValueAsString(obj);
} catch (IOException e) {
throw e;
}
return JSONObject.fromObject(obj).toString();
}
// 主函数
public static void main(String[] args) {
Emp emp= new Emp();
emp.setId( 1 );
emp.setName( "张三" );
emp.setGender( "男" );
emp.setDptNo( 001 );
emp.setDuty( "职员" );
String jsonStr= "" ;
try {
jsonStr=objectToJson(emp);
} catch (JSONException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
System.out.println(jsonStr);
}
}
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(2)
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import net.sf.json.JSONObject;
import com.hyx.entity.Emp;
public class MainTest {
// 主函数
public static void main(String[] args) {
Emp emp= new Emp();
emp.setId( 1 );
emp.setName( "张三" );
emp.setGender( "男" );
emp.setDptNo( 001 );
emp.setDuty( "职员" );
JSONObject jsonObject = JSONObject.fromObject(emp);
System.out.println(jsonObject);
}
}
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://www.cnblogs.com/Yasha/p/6268562.html