public static final Object parse(String text); // 把JSON文本parse为JSONObject或者JSONArray
public static final JSONObject parSEObject(String text)； // 把JSON文本parse成JSONObject
public static final <T> T parSEObject(String text,Class<T> clazz); // 把JSON文本parse为JavaBean
public static final JSONArray parseArray(String text); // 把JSON文本parse成JSONArray
public static final <T> List<T> parseArray(String text,Class<T> clazz); //把JSON文本parse成JavaBean集合
public static final String toJSONString(Object object); // 将JavaBean序列化为JSON文本
public static final String toJSONString(Object object, boolean prettyFormat); // 将JavaBean序列化为带格式的JSON文本
public static final Object toJSON(Object javaObject); 将JavaBean转换为JSONObject或者JSONArray。

package lavasoft.stu.json;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializeConfig;
import com.alibaba.fastjson.serializer.SimpleDateFormatSerializer;

import java.util.*;

/**
* Created by IntelliJ IDEA.
*
* @author leizhimin 11-11-22 上午9:15
*/
public class Foo {
private String vString = "vStringhehhehe";
private char vchar = 'x';

private byte vbyte = 64;
private short vshort = 128;
private int vint = 65535;
private long vlong = 9999999L;

private float vfloat = 12.1f;
private double vdouble = 22.203d;

private boolean vboolean = false;

//private Date vdate = new Date();
private Date dddd = new Date();
private Date vDate = new Date();
private Date v_Date = new Date();
private Object vnull = null;

private String[] avString = { "aaa","bbb","ccc"};
private int[] avint = {1,2,3,4};
private boolean[] avboolean = { true,false,true,true};

private List<String> listString = new ArrayList<String>();
private Map<String,String> map = new HashMap<String,String>();

private Bar bar = new Bar();
private Bar[] avBar = { new Bar(),new Bar()};
private List<Bar> listBar = new ArrayList<Bar>();

{
listString.add( "listString1");
listString.add( "listString2");
listString.add( "listString3");

map.put( "x", "s11111x");
map.put( "y", "s22222y");
map.put( "z", "s33333z");

listBar.add( new Bar());
listBar.add( new Bar());
listBar.add( new Bar());
}



public String getvString() {
return vString;
}

public void setvString(String vString) {
this.vString = vString;
}

public char getVchar() {
return vchar;
}

public void setVchar( char vchar) {
this.vchar = vchar;
}

public byte getVbyte() {
return vbyte;
}

public void setVbyte( byte vbyte) {
this.vbyte = vbyte;
}

public short getVshort() {
return vshort;
}

public void setVshort( short vshort) {
this.vshort = vshort;
}

public int getVint() {
return vint;
}

public void setVint( int vint) {
this.vint = vint;
}

public long getVlong() {
return vlong;
}

public void setVlong( long vlong) {
this.vlong = vlong;
}

public float getVfloat() {
return vfloat;
}

public void setVfloat( float vfloat) {
this.vfloat = vfloat;
}

public double getVdouble() {
return vdouble;
}

public void setVdouble( double vdouble) {
this.vdouble = vdouble;
}

public boolean isVboolean() {
return vboolean;
}

public void setVboolean( boolean vboolean) {
this.vboolean = vboolean;
}

public Date getDddd() {
return dddd;
}

public void setDddd(Date dddd) {
this.dddd = dddd;
}

public Date getV_Date() {
return v_Date;
}

public void setV_Date(Date v_Date) {
this.v_Date = v_Date;
}

public Date getvDate() {
return vDate;
}

public void setvDate(Date vDate) {
this.vDate = vDate;
}

public Object getVnull() {
return vnull;
}

public void setVnull(Object vnull) {
this.vnull = vnull;
}

public String[] getAvString() {
return avString;
}

public void setAvString(String[] avString) {
this.avString = avString;
}

public int[] getAvint() {
return avint;
}

public void setAvint( int[] avint) {
this.avint = avint;
}

public boolean[] getAvboolean() {
return avboolean;
}

public void setAvboolean( boolean[] avboolean) {
this.avboolean = avboolean;
}

public List<String> getListString() {
return listString;
}

public void setListString(List<String> listString) {
this.listString = listString;
}

public Map<String,String> getMap() {
return map;
}

public void setMap(Map<String,String> map) {
this.map = map;
}

public Bar getBar() {
return bar;
}

public void setBar(Bar bar) {
this.bar = bar;
}

public Bar[] getAvBar() {
return avBar;
}

public void setAvBar(Bar[] avBar) {
this.avBar = avBar;
}

public List<Bar> getListBar() {
return listBar;
}

public void setListBar(List<Bar> listBar) {
this.listBar = listBar;
}
}

package lavasoft.stu.json;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializeConfig;
import com.alibaba.fastjson.serializer.SimpleDateFormatSerializer;

import java.util.Date;
import java.util.Random;

/**
* Created by IntelliJ IDEA.
*
* @author leizhimin 11-11-22 上午9:15
*/
public class Bar {
public static SerializeConfig mapping = new SerializeConfig();
private String barName;
private int barAge;
private Date barDate = new Date();
static {
mapping.put(Date. class, new SimpleDateFormatSerializer( "yyyy-MM-dd"));
}
{
Random r = new Random();
barName = "sss_"+String.valueOf(r.nextFloat());
barAge = r.nextInt();
}

public static void main(String[] args) {
Object obj = JSON.toJSON( new Bar());
String x1 = JSON.toJSONString( new Bar(),true);
System.out.println(x1);
String x2 = JSON.toJSONString( new Bar(),mapping);
System.out.println(x2);
}

public String getBarName() {
return barName;
}

public void setBarName(String barName) {
this.barName = barName;
}

public int getBarAge() {
return barAge;
}

public void setBarAge( int barAge) {
this.barAge = barAge;
}

public Date getBarDate() {
return barDate;
}

public void setBarDate(Date barDate) {
this.barDate = barDate;
}

@Override
public String toString() {
return "Bar{" +
"barName='" + barName + '\'' +
",barAge=" + barAge +
",barDate=" + barDate +
'}';
}
}