jsonutil 学习使用

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packagecomm;
 importjava.text.SimpleDateFormat;
 importjava.util.ArrayList;
 importjava.util.Collection;
 importjava.util.Date;
 importjava.util.HashMap;
 importjava.util.Iterator;
 importjava.util.List;
 importjava.util.Map;
 importnet.sf.ezmorph.MorpherRegistry;
 importnet.sf.ezmorph.object.DateMorpher;
 importnet.sf.json.JSONArray;
 importnet.sf.json.JSONObject;
 importnet.sf.json.JsonConfig;
 importnet.sf.json.processors.JsonValueProcessor;
 importnet.sf.json.util.JSONUtils;
 importnet.sf.json.xml.XMLSerializer;
 publicclassJsonUtil{
/**
*设置日期转换格式
*/
 static{
//注册器
MorpherRegistrymr=JSONUtils.getMorpherRegistry();
//可转换的日期格式，即Json串中可以出现以下格式的日期与时间
 DateMorpherdm=newDateMorpher(newString[]{Util.YYYY_MM_DD,
Util.YYYY_MM_DD_HH_MM_ss,Util.HH_MM_ss,Util.YYYYMMDD,
Util.YYYYMMDDHHMMSS,Util.HHMMss});
mr.registerMorpher(dm);
}
/**
*从json串转换成实体对象
*@paramjsonObjStre.g.{'name':'get','dateAttr':'2009-11-12'}
*@paramclazzPerson.class
*@return
*/
 publicstaticObjectgetDtoFromJsonObjStr(StringjsonObjStr,Classclazz){
 returnJSONObject.toBean(JSONObject.fromObject(jsonObjStr),clazz);
}
/**
*从json串转换成实体对象，并且实体集合属性存有另外实体Bean
*@paramjsonObjStre.g.{'data':[{'name':'get'},{'name':'set'}]}
*@paramclazze.g.MyBean.class
*@paramclassMape.g.classMap.put("data",Person.class)
*@returnObject
*/
 publicstaticObjectgetDtoFromJsonObjStr(StringjsonObjStr,Classclazz,MapclassMap){
 returnJSONObject.toBean(JSONObject.fromObject(jsonObjStr),clazz,classMap);
}
/**
*把一个json数组串转换成普通数组
*@paramjsonArrStre.g.['get',1,true,null]
*@returnObject[]
*/
 publicstaticObject[]getArrFromJsonArrStr(StringjsonArrStr){
 returnJSONArray.fromObject(jsonArrStr).toArray();
}
/**
*把一个json数组串转换成实体数组
*@paramjsonArrStre.g.[{'name':'get'},{'name':'set'}]
*@paramclazze.g.Person.class
*@returnObject[]
*/
 publicstaticObject[]getDtoArrFromJsonArrStr(StringjsonArrStr,Classclazz){
JSONArrayjsonArr=JSONArray.fromObject(jsonArrStr);
 Object[]objArr=newObject[jsonArr.size()];
 for(inti=0;i
objArr[i]=JSONObject.toBean(jsonArr.getJSONObject(i),clazz);
}
 returnobjArr;
}
/**
*把一个json数组串转换成实体数组，且数组元素的属性含有另外实例Bean
*@paramjsonArrStre.g.[{'data':[{'name':'get'}]},{'data':[{'name':'set'}]}]
*@paramclazze.g.MyBean.class
*@paramclassMape.g.classMap.put("data",Person.class)
*@returnObject[]
*/
 publicstaticObject[]getDtoArrFromJsonArrStr(StringjsonArrStr,Classclazz,
MapclassMap){
JSONArrayarray=JSONArray.fromObject(jsonArrStr);
 Object[]obj=newObject[array.size()];
 for(inti=0;i
JSONObjectjsonObject=array.getJSONObject(i);
obj[i]=JSONObject.toBean(jsonObject,clazz,classMap);
}
 returnobj;
}
/**
*把一个json数组串转换成存放普通类型元素的集合
*@paramjsonArrStre.g.['get',1,true,null]
*@returnList
*/
 publicstaticListgetListFromJsonArrStr(StringjsonArrStr){
JSONArrayjsonArr=JSONArray.fromObject(jsonArrStr);
 Listlist=newArrayList();
 for(inti=0;i
list.add(jsonArr.get(i));
}
 returnlist;
}
/**
*把一个json数组串转换成集合，且集合里存放的为实例Bean
*@paramjsonArrStre.g.[{'name':'get'},{'name':'set'}]
*@paramclazz
*@returnList
*/
 publicstaticListgetListFromJsonArrStr(StringjsonArrStr,Classclazz){
JSONArrayjsonArr=JSONArray.fromObject(jsonArrStr);
 Listlist=newArrayList();
 for(inti=0;i
list.add(JSONObject.toBean(jsonArr.getJSONObject(i),clazz));
}
 returnlist;
}
/**
*把一个json数组串转换成集合，且集合里的对象的属性含有另外实例Bean
*@paramjsonArrStre.g.[{'data':[{'name':'get'}]},{'data':[{'name':'set'}]}]
*@paramclazze.g.MyBean.class
*@paramclassMape.g.classMap.put("data",Person.class)
*@returnList
*/
 publicstaticListgetListFromJsonArrStr(StringjsonArrStr,Classclazz,MapclassMap){
JSONArrayjsonArr=JSONArray.fromObject(jsonArrStr);
 Listlist=newArrayList();
 for(inti=0;i
list.add(JSONObject.toBean(jsonArr.getJSONObject(i),clazz,classMap));
}
 returnlist;
}
/**
*把json对象串转换成map对象
*@paramjsonObjStre.g.{'name':'get','int':1,'double',1.1,'null':null}
*@returnMap
*/
 publicstaticMapgetMapFromJsonObjStr(StringjsonObjStr){
JSONObjectjsonObject=JSONObject.fromObject(jsonObjStr);
 Mapmap=newHashMap();
 for(Iteratoriter=jsonObject.keys();iter.hasNext();){
Stringkey=(String)iter.next();
map.put(key,jsonObject.get(key));
}
 returnmap;
}
/**
*把json对象串转换成map对象，且map对象里存放的为其他实体Bean
*@paramjsonObjStre.g.{'data1':{'name':'get'},'data2':{'name':'set'}}
*@paramclazze.g.Person.class
*@returnMap
*/
 publicstaticMapgetMapFromJsonObjStr(StringjsonObjStr,Classclazz){
JSONObjectjsonObject=JSONObject.fromObject(jsonObjStr);
 Mapmap=newHashMap();
 for(Iteratoriter=jsonObject.keys();iter.hasNext();){
Stringkey=(String)iter.next();
map.put(key,JSONObject.toBean(jsonObject.getJSONObject(key),clazz));
}
 returnmap;
}
/**
*把json对象串转换成map对象，且map对象里存放的其他实体Bean还含有另外实体Bean
*@paramjsonObjStre.g.{'mybean':{'data':[{'name':'get'}]}}
*@paramclazze.g.MyBean.class
*@paramclassMape.g.classMap.put("data",Person.class)
*@returnMap
*/
 publicstaticMapgetMapFromJsonObjStr(StringjsonObjStr,Classclazz,MapclassMap){
JSONObjectjsonObject=JSONObject.fromObject(jsonObjStr);
 Mapmap=newHashMap();
 for(Iteratoriter=jsonObject.keys();iter.hasNext();){
Stringkey=(String)iter.next();
map.put(key,JSONObject
.toBean(jsonObject.getJSONObject(key),clazz,classMap));
}
 returnmap;
}
/**
*把实体Bean、Map对象、数组、列表集合转换成Json串
*@paramobj
*@return
*@throwsExceptionString
*/
 publicstaticStringgetJsonStr(Objectobj){
 StringjsonStr=null;
//Json配置
 JsonConfigjsonCfg=newJsonConfig();
//注册日期处理器
 jsonCfg.registerJsonValueProcessor(java.util.Date.class,
 newJsonDateValueProcessor(Util.YYYY_MM_DD_HH_MM_ss));
 if(obj==null){
 return"{}";
}
 if(objinstanceofCollection||objinstanceofObject[]){
jsonStr=JSONArray.fromObject(obj,jsonCfg).toString();
 }else{
jsonStr=JSONObject.fromObject(obj,jsonCfg).toString();
}
 returnjsonStr;
}
/**
*把json串、数组、集合(collectionmap)、实体Bean转换成XML
*XMLSerializerAPI：
*http://json-lib.sourceforge.net/apidocs/net/sf/json/xml/XMLSerializer.html
*具体实例请参考：
*http://json-lib.sourceforge.net/xref-test/net/sf/json/xml/TestXMLSerializer_writes.html
*http://json-lib.sourceforge.net/xref-test/net/sf/json/xml/TestXMLSerializer_writes.html
*@paramobj
*@return
*@throwsExceptionString
*/
 publicstaticStringgetXMLFromObj(Objectobj){
 XMLSerializerxmlSerial=newXMLSerializer();
//Json配置
 JsonConfigjsonCfg=newJsonConfig();
//注册日期处理器
 jsonCfg.registerJsonValueProcessor(java.util.Date.class,
 newJsonDateValueProcessor(Util.YYYY_MM_DD_HH_MM_ss));
 if((String.class.isInstance(obj)&&String.valueOf(obj).startsWith("["))
 ||obj.getClass().isArray()||Collection.class.isInstance(obj)){
JSONArrayjsonArr=JSONArray.fromObject(obj,jsonCfg);
 returnxmlSerial.write(jsonArr);
 }else{
JSONObjectjsonObj=JSONObject.fromObject(obj,jsonCfg);
 returnxmlSerial.write(jsonObj);
}
}
/**
*从XML转json串
*@paramxml
*@returnString
*/
 publicstaticStringgetJsonStrFromXML(Stringxml){
 XMLSerializerxmlSerial=newXMLSerializer();
 returnString.valueOf(xmlSerial.read(xml));
}
}
/**
*json日期值处理器实现
*(C)2009-9-11,jzj
*/
 classJsonDateValueProcessorimplementsJsonValueProcessor{
 privateStringformat=Util.YYYY_MM_DD_HH_MM_ss;
 publicJsonDateValueProcessor(){
}
 publicJsonDateValueProcessor(Stringformat){
 this.format=format;
}
 publicObjectprocessArrayValue(Objectvalue,JsonConfigjsonConfig){
 returnprocess(value,jsonConfig);
}
 publicObjectprocessObjectValue(Stringkey,Objectvalue,JsonConfigjsonConfig){
 returnprocess(value,jsonConfig);
}
 privateObjectprocess(Objectvalue,JsonConfigjsonConfig){
 if(valueinstanceofDate){
 Stringstr=newSimpleDateFormat(format).format((Date)value);
 returnstr;
}
 returnvalue==null?null:value.toString();
}
 publicStringgetFormat(){
 returnformat;
}
 publicvoidsetFormat(Stringformat){
 this.format=format;
}
}

package comm;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import net.sf.ezmorph.MorpherRegistry;
import net.sf.ezmorph.object.DateMorpher;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import net.sf.json.JsonConfig;
import net.sf.json.processors.JsonValueProcessor;
import net.sf.json.util.JSONUtils;
import net.sf.json.xml.XMLSerializer;

public class JsonUtil {

	/**
	 * 设置日期转换格式
	 */
	static {
		//注册器
		MorpherRegistry mr = JSONUtils.getMorpherRegistry();

		//可转换的日期格式，即Json串中可以出现以下格式的日期与时间
		DateMorpher dm = new DateMorpher(new String[] { Util.YYYY_MM_DD,
				Util.YYYY_MM_DD_HH_MM_ss, Util.HH_MM_ss, Util.YYYYMMDD,
				Util.YYYYMMDDHHMMSS, Util.HHMMss });
		mr.registerMorpher(dm);
	}

	/**
	* 从json串转换成实体对象
	* @param jsonObjStr e.g. {'name':'get','dateAttr':'2009-11-12'}
	* @param clazz Person.class
	* @return
	*/
	public static Object getDtoFromJsonObjStr(String jsonObjStr, Class clazz) {
		return JSONObject.toBean(JSONObject.fromObject(jsonObjStr), clazz);
	}

	/**
	* 从json串转换成实体对象，并且实体集合属性存有另外实体Bean
	* @param jsonObjStr e.g. {'data':[{'name':'get'},{'name':'set'}]}
	* @param clazz e.g. MyBean.class
	* @param classMap e.g. classMap.put("data", Person.class)
	* @return Object
	*/
	public static Object getDtoFromJsonObjStr(String jsonObjStr, Class clazz, Map classMap) {
		return JSONObject.toBean(JSONObject.fromObject(jsonObjStr), clazz, classMap);
	}

	/**
	* 把一个json数组串转换成普通数组
	* @param jsonArrStr  e.g. ['get',1,true,null]
	* @return Object[]
	*/
	public static Object[] getArrFromJsonArrStr(String jsonArrStr) {
		return JSONArray.fromObject(jsonArrStr).toArray();
	}

	/**
	* 把一个json数组串转换成实体数组
	* @param jsonArrStr e.g. [{'name':'get'},{'name':'set'}]
	* @param clazz e.g. Person.class
	* @return Object[]
	*/
	public static Object[] getDtoArrFromJsonArrStr(String jsonArrStr, Class clazz) {
		JSONArray jsonArr = JSONArray.fromObject(jsonArrStr);
		Object[] objArr = new Object[jsonArr.size()];
		for (int i = 0; i < jsonArr.size(); i++) {
			objArr[i] = JSONObject.toBean(jsonArr.getJSONObject(i), clazz);
		}
		return objArr;
	}

	/**
	* 把一个json数组串转换成实体数组，且数组元素的属性含有另外实例Bean
	* @param jsonArrStr e.g. [{'data':[{'name':'get'}]},{'data':[{'name':'set'}]}]
	* @param clazz e.g. MyBean.class
	* @param classMap e.g. classMap.put("data", Person.class)
	* @return Object[]
	*/
	public static Object[] getDtoArrFromJsonArrStr(String jsonArrStr, Class clazz,
			Map classMap) {
		JSONArray array = JSONArray.fromObject(jsonArrStr);
		Object[] obj = new Object[array.size()];
		for (int i = 0; i < array.size(); i++) {
			JSONObject jsonObject = array.getJSONObject(i);
			obj[i] = JSONObject.toBean(jsonObject, clazz, classMap);
		}
		return obj;
	}

	/**
	* 把一个json数组串转换成存放普通类型元素的集合
	* @param jsonArrStr  e.g. ['get',1,true,null]
	* @return List
	*/
	public static List getListFromJsonArrStr(String jsonArrStr) {
		JSONArray jsonArr = JSONArray.fromObject(jsonArrStr);
		List list = new ArrayList();
		for (int i = 0; i < jsonArr.size(); i++) {
			list.add(jsonArr.get(i));
		}
		return list;
	}

	/**
	* 把一个json数组串转换成集合，且集合里存放的为实例Bean
	* @param jsonArrStr e.g. [{'name':'get'},{'name':'set'}]
	* @param clazz
	* @return List
	*/
	public static List getListFromJsonArrStr(String jsonArrStr, Class clazz) {
		JSONArray jsonArr = JSONArray.fromObject(jsonArrStr);
		List list = new ArrayList();
		for (int i = 0; i < jsonArr.size(); i++) {
			list.add(JSONObject.toBean(jsonArr.getJSONObject(i), clazz));
		}
		return list;
	}

	/**
	* 把一个json数组串转换成集合，且集合里的对象的属性含有另外实例Bean
	* @param jsonArrStr e.g. [{'data':[{'name':'get'}]},{'data':[{'name':'set'}]}]
	* @param clazz e.g. MyBean.class
	* @param classMap e.g. classMap.put("data", Person.class)
	* @return List
	*/
	public static List getListFromJsonArrStr(String jsonArrStr, Class clazz, Map classMap) {
		JSONArray jsonArr = JSONArray.fromObject(jsonArrStr);
		List list = new ArrayList();
		for (int i = 0; i < jsonArr.size(); i++) {
			list.add(JSONObject.toBean(jsonArr.getJSONObject(i), clazz, classMap));
		}
		return list;
	}

	/**
	* 把json对象串转换成map对象
	* @param jsonObjStr e.g. {'name':'get','int':1,'double',1.1,'null':null}
	* @return Map
	*/
	public static Map getMapFromJsonObjStr(String jsonObjStr) {
		JSONObject jsonObject = JSONObject.fromObject(jsonObjStr);

		Map map = new HashMap();
		for (Iterator iter = jsonObject.keys(); iter.hasNext();) {
			String key = (String) iter.next();
			map.put(key, jsonObject.get(key));
		}
		return map;
	}

	/**
	* 把json对象串转换成map对象，且map对象里存放的为其他实体Bean
	* @param jsonObjStr e.g. {'data1':{'name':'get'},'data2':{'name':'set'}}
	* @param clazz e.g. Person.class
	* @return Map
	*/
	public static Map getMapFromJsonObjStr(String jsonObjStr, Class clazz) {
		JSONObject jsonObject = JSONObject.fromObject(jsonObjStr);

		Map map = new HashMap();
		for (Iterator iter = jsonObject.keys(); iter.hasNext();) {
			String key = (String) iter.next();
			map.put(key, JSONObject.toBean(jsonObject.getJSONObject(key), clazz));
		}
		return map;
	}

	/**
	 * 把json对象串转换成map对象，且map对象里存放的其他实体Bean还含有另外实体Bean
	 * @param jsonObjStr e.g. {'mybean':{'data':[{'name':'get'}]}}
	 * @param clazz e.g. MyBean.class
	 * @param classMap	e.g. classMap.put("data", Person.class)
	 * @return Map
	 */
	public static Map getMapFromJsonObjStr(String jsonObjStr, Class clazz, Map classMap) {
		JSONObject jsonObject = JSONObject.fromObject(jsonObjStr);

		Map map = new HashMap();
		for (Iterator iter = jsonObject.keys(); iter.hasNext();) {
			String key = (String) iter.next();
			map.put(key, JSONObject
					.toBean(jsonObject.getJSONObject(key), clazz, classMap));
		}
		return map;
	}

	/**
	 * 把实体Bean、Map对象、数组、列表集合转换成Json串
	 * @param obj 
	 * @return
	 * @throws Exception String
	 */
	public static String getJsonStr(Object obj) {
		String jsonStr = null;
		//Json配置    
		JsonConfig jsonCfg = new JsonConfig();

		//注册日期处理器
		jsonCfg.registerJsonValueProcessor(java.util.Date.class,
				new JsonDateValueProcessor(Util.YYYY_MM_DD_HH_MM_ss));
		if (obj == null) {
			return "{}";
		}

		if (obj instanceof Collection || obj instanceof Object[]) {
			jsonStr = JSONArray.fromObject(obj, jsonCfg).toString();
		} else {
			jsonStr = JSONObject.fromObject(obj, jsonCfg).toString();
		}

		return jsonStr;
	}

	/**
	 * 把json串、数组、集合(collection map)、实体Bean转换成XML
	 * XMLSerializer API：
	 * http://json-lib.sourceforge.net/apidocs/net/sf/json/xml/XMLSerializer.html
	 * 具体实例请参考：
	 * http://json-lib.sourceforge.net/xref-test/net/sf/json/xml/TestXMLSerializer_writes.html
	 * http://json-lib.sourceforge.net/xref-test/net/sf/json/xml/TestXMLSerializer_writes.html
	 * @param obj 
	 * @return
	 * @throws Exception String
	 */
	public static String getXMLFromObj(Object obj) {
		XMLSerializer xmlSerial = new XMLSerializer();

		//Json配置    
		JsonConfig jsonCfg = new JsonConfig();

		//注册日期处理器
		jsonCfg.registerJsonValueProcessor(java.util.Date.class,
				new JsonDateValueProcessor(Util.YYYY_MM_DD_HH_MM_ss));

		if ((String.class.isInstance(obj) && String.valueOf(obj).startsWith("["))
				|| obj.getClass().isArray() || Collection.class.isInstance(obj)) {
			JSONArray jsonArr = JSONArray.fromObject(obj, jsonCfg);
			return xmlSerial.write(jsonArr);
		} else {
			JSONObject jsonObj = JSONObject.fromObject(obj, jsonCfg);
			return xmlSerial.write(jsonObj);
		}
	}

	/**
	 * 从XML转json串
	 * @param xml
	 * @return String
	 */
	public static String getJsonStrFromXML(String xml) {
		XMLSerializer xmlSerial = new XMLSerializer();
		return String.valueOf(xmlSerial.read(xml));
	}

}

/**
 * json日期值处理器实现  
 * (C) 2009-9-11, jzj
 */
class JsonDateValueProcessor implements JsonValueProcessor {

	private String format = Util.YYYY_MM_DD_HH_MM_ss;

	public JsonDateValueProcessor() {

	}

	public JsonDateValueProcessor(String format) {
		this.format = format;
	}

	public Object processArrayValue(Object value, JsonConfig jsonConfig) {
		return process(value, jsonConfig);
	}

	public Object processObjectValue(String key, Object value, JsonConfig jsonConfig) {
		return process(value, jsonConfig);
	}

	private Object process(Object value, JsonConfig jsonConfig) {
		if (value instanceof Date) {
			String str = new SimpleDateFormat(format).format((Date) value);
			return str;
		}
		return value == null ? null : value.toString();
	}

	public String getFormat() {
		return format;
	}

	public void setFormat(String format) {
		this.format = format;
	}

}

• JsonUtilTest

packagecomm.test;
 importjava.text.SimpleDateFormat;
 importjava.util.ArrayList;
 importjava.util.Date;
 importjava.util.HashMap;
 importjava.util.Iterator;
 importjava.util.LinkedHashMap;
 importjava.util.LinkedHashSet;
 importjava.util.List;
 importjava.util.Map;
 importjava.util.Set;
 importjunit.framework.TestCase;
 importcomm.JsonUtil;
/**
*JsonUtil测试类
*(C)2009-9-11,jzj
*/
 publicclassJsonUtilTestextendsTestCase{
/**
*从json串转换成实体对象，且实体中Date属性能正确转换
*void
*/
 publicvoidtestGetDtoFromJsonObjStr1(){
 Stringjson="{'name':'get','dateAttr':'2009-11-12'}";
 Personps=(Person)JsonUtil.getDtoFromJsonObjStr(json,Person.class);
//print:get
System.out.println(ps.getName());
 SimpleDateFormatsdf=newSimpleDateFormat("yyyy-MM-dd");
//print:2009-11-12
System.out.println(sdf.format(ps.getDateAttr()));
}
/**
*从json串转换成实体对象，并且实体集合属性存有另外实体Bean
*void
*/
 publicvoidtestGetDtoFromJsonObjStr3(){
 Stringjson="{'data':[{'name':'get'},{'name':'set'}]}";
 MapclassMap=newHashMap();
 classMap.put("data",Person.class);
 MyBeanmyBean=(MyBean)JsonUtil.getDtoFromJsonObjStr(json,MyBean.class,
classMap);
//print:classcomm.test.Personname=get
 System.out.println(myBean.getData().get(0).getClass()+"name="
 +((Person)myBean.getData().get(0)).getName());
//print:classcomm.test.Personname=set
 System.out.println(myBean.getData().get(1).getClass()+"name="
 +((Person)myBean.getData().get(1)).getName());
}
/**
*把一个json数组串转换成普通数组
*void
*/
 publicvoidtestGetArrFromJsonArrStr(){
 Stringjson="['get',1,true,null]";
Object[]objArr=JsonUtil.getArrFromJsonArrStr(json);
 for(inti=0;i
 System.out.println(objArr[i].getClass()+""+objArr[i]);
}
/*print:
classjava.lang.Stringget
classjava.lang.Integer1
classjava.lang.Booleantrue
classnet.sf.json.JSONNullnull
*/
}
/**
*把一个json数组串转换成实体数组
*void
*/
 publicvoidtestGetDtoArrFromJsonArrStr1(){
 Stringjson="[{'name':'get'},{'name':'set'}]";
 Object[]objArr=JsonUtil.getDtoArrFromJsonArrStr(json,Person.class);
 for(inti=0;i
 System.out.println(objArr[i].getClass()+"name="
+((Person)objArr[i]).getName());
}
/*print:
classcomm.test.Personname=get
classcomm.test.Personname=set
*/
}
/**
*把一个json数组串转换成实体数组，且数组元素的属性含有另外实例Bean
*void
*/
 publicvoidtestGetDtoArrFromJsonArrStr2(){
 Stringjson="[{'data':[{'name':'get'}]},{'data':[{'name':'set'}]}]";
 MapclassMap=newHashMap();
 classMap.put("data",Person.class);
 Object[]objArr=JsonUtil.getDtoArrFromJsonArrStr(json,MyBean.class,classMap);
 for(inti=0;i
 System.out.println(((MyBean)objArr[i]).getData().get(0).getClass()
 +"name="
 +((Person)((MyBean)objArr[i]).getData().get(0)).getName());
}
/*print:
classcomm.test.Personname=get
classcomm.test.Personname=set
*/
}
/**
*把一个json数组串转换成存放普通类型元素的集合
*void
*/
 publicvoidtestGetListFromJsonArrStr1(){
 Stringjson="['get',1,true,null]";
Listlist=JsonUtil.getListFromJsonArrStr(json);
 for(inti=0;i
 System.out.println(list.get(i).getClass()+""+list.get(i));
}
/*print:
classjava.lang.Stringget
classjava.lang.Integer1
classjava.lang.Booleantrue
classnet.sf.json.JSONNullnull
*/
}
/**
*把一个json数组串转换成集合，且集合里存放的为实例Bean
*void
*/
 publicvoidtestGetListFromJsonArrStr2(){
 Stringjson="[{'name':'get'},{'name':'set'}]";
 Listlist=JsonUtil.getListFromJsonArrStr(json,Person.class);
 for(inti=0;i
 System.out.println(list.get(i).getClass()+"name="
+((Person)list.get(i)).getName());
}
/*print:
classcomm.test.Personname=get
classcomm.test.Personname=set
*/
}
/**
*把一个json数组串转换成集合，且集合里的对象的属性含有另外实例Bean
*void
*/
 publicvoidtestGetListFromJsonArrStr3(){
 Stringjson="[{'data':[{'name':'get'}]},{'data':[{'name':'set'}]}]";
 MapclassMap=newHashMap();
 classMap.put("data",Person.class);
 Listlist=JsonUtil.getListFromJsonArrStr(json,MyBean.class,classMap);
 for(inti=0;i
 System.out.println(((MyBean)list.get(i)).getData().get(0).getClass()
 +"name="
 +((Person)((MyBean)list.get(i)).getData().get(0)).getName());
}
/*print:
classcomm.test.Personname=get
classcomm.test.Personname=set
*/
}
/**
*把json对象串转换成map对象
*void
*/
 publicvoidtestGetMapFromJsonObjStr(){
 Stringjson="{'name':'get','int':1,'double':1.1,'null':null}";
Mapmap=JsonUtil.getMapFromJsonObjStr(json);
 for(Iteratoriter=map.keySet().iterator();iter.hasNext();){
System.out.println(map.get(iter.next()).getClass());
}
/*print:
classjava.lang.Double
classnet.sf.json.JSONNull
classjava.lang.Integer
classjava.lang.String
*/
}
/**
*把json对象串转换成map对象，且map对象里存放的为其他实体Bean
*void
*/
 publicvoidtestGetMapFromJsonObjStr2(){
 Stringjson="{'data1':{'name':'get'},'data2':{'name':'set'}}";
 Mapmap=JsonUtil.getMapFromJsonObjStr(json,Person.class);
 for(Iteratoriter=map.keySet().iterator();iter.hasNext();){
Stringkey=(String)iter.next();
 System.out.println(map.get(key).getClass()+"name="
+((Person)map.get(key)).getName());
}
/*print:
classcomm.test.Personname=set
classcomm.test.Personname=get
*/
}
/**
*把json对象串转换成map对象，且map对象里
*存放的其他实体Bean还含有另外实体Bean
*void
*/
 publicvoidtestGetMapFromJsonObjStr3(){
 Stringjson="{'mybean':{'data':[{'name':'get'}]}}";
 MapclassMap=newHashMap();
 classMap.put("data",Person.class);
 Mapmap=JsonUtil.getMapFromJsonObjStr(json,MyBean.class,classMap);
 for(Iteratoriter=map.keySet().iterator();iter.hasNext();){
Stringkey=(String)iter.next();
 Objecto=((MyBean)map.get(key)).getData().get(0);
 System.out.println(o.getClass()+"name="+((Person)o).getName());
}
/*print:
classcomm.test.Personname=get
*/
}
/**
*实体Bean转json串
*void
*/
 publicvoidtestgetJsonStr1(){
 Personps=newPerson();
 ps.setDateAttr(newDate());
 ps.setName("get");
 MyBeanmyBean=newMyBean();
 Listlist=newArrayList();
list.add(ps);
myBean.setData(list);
//print:{"data":[{"dateAttr":"2009-09-1207:24:54","name":"get"}]}
System.out.println(JsonUtil.getJsonStr(myBean));
}
/**
*map转json串
*void
*/
 publicvoidtestgetJsonStr2(){
 Personps=newPerson();
 ps.setDateAttr(newDate());
 ps.setName("get");
 Mapmap=newLinkedHashMap();
 map.put("person1",ps);
//print:{"person1":{"dateAttr":"2009-09-1207:24:27","name":"get"}}
System.out.println(JsonUtil.getJsonStr(map));
}
/**
*数组转json串
*void
*/
 publicvoidtestgetJsonStr3(){
 Personps=newPerson();
 ps.setDateAttr(newDate());
 ps.setName("get");
 Person[]personArr=newPerson[1];
 personArr[0]=ps;
//print:[{"dateAttr":"2009-09-1207:23:54","name":"get"}]
System.out.println(JsonUtil.getJsonStr(personArr));
}
/**
*list转json串
*void
*/
 publicvoidtestgetJsonStr4(){
 Personps=newPerson();
 ps.setDateAttr(newDate());
 ps.setName("get");
 Listlist=newArrayList();
list.add(ps);
//print:[{"dateAttr":"2009-09-1207:22:49","name":"get"}]
System.out.println(JsonUtil.getJsonStr(list));
}
/**
*set转json串
*void
*/
 publicvoidtestgetJsonStr5(){
 Personps=newPerson();
 ps.setDateAttr(newDate());
 ps.setName("get");
 Setset=newLinkedHashSet();
set.add(ps);
//print:[{"dateAttr":"2009-09-1207:22:16","name":"get"}]
System.out.println(JsonUtil.getJsonStr(set));
}
/**
*json对象串转XML
*void
*/
 publicvoidtestGetXMLFromObj1(){
System.out.println(JsonUtil
 .getXMLFromObj("{/"name/":/"json/",/"bool/":true,/"int/":1}"));
/*print:


true
1
json

*/
}
/**
*json数组串转XML
*void
*/
 publicvoidtestGetXMLFromObj2(){
 System.out.println(JsonUtil.getXMLFromObj("[1,2,3]"));
/*print:



*/
}
/**
*java数组转XML
*void
*/
 publicvoidtestGetXMLFromObj3(){
 Personps=newPerson();
 ps.setDateAttr(newDate());
 ps.setName("get");
 Person[]personArr=newPerson[2];
 personArr[0]=ps;
System.out.println(JsonUtil.getXMLFromObj(personArr));
/*print:



*/
}
/**
*list转XML
*void
*/
 publicvoidtestGetXMLFromObj4(){
 Personps=newPerson();
 ps.setDateAttr(newDate());
 ps.setName("get");
 Listlist=newArrayList();
list.add(ps);
System.out.println(JsonUtil.getXMLFromObj(list));
/*print:



*/
}
/**
*set转XML
*void
*/
 publicvoidtestGetXMLFromObj5(){
 Personps=newPerson();
 ps.setDateAttr(newDate());
 ps.setName("get");
 Setset=newLinkedHashSet();
set.add(ps);
System.out.println(JsonUtil.getXMLFromObj(set));
/*print:



*/
}
/**
*map转XML
*void
*/
 publicvoidtestGetXMLFromObj6(){
 Personps=newPerson();
 ps.setDateAttr(newDate());
 ps.setName("get");
 Mapmap=newHashMap();
 map.put("person1",ps);
System.out.println(JsonUtil.getXMLFromObj(map));
/*print:



2009-09-1207:08:35
get


*/
}
/**
*实体Bean转XML
*void
*/
 publicvoidtestGetXMLFromObj7(){
 Personps=newPerson();
 ps.setDateAttr(newDate());
 ps.setName("get");
System.out.println(JsonUtil.getXMLFromObj(ps));
/*print:


2009-09-1207:13:02
get

*/
}
/**
*从XML对象串转json串
*void
*/
 publicvoidtestGetJsonStrFromXML1(){
 Stringxml="2009-09-1207:13:02"
 +"get";
//print:{"dateAttr":"2009-09-1207:13:02","name":"get"}
System.out.println(JsonUtil.getJsonStrFromXML(xml));
}
/**
*从XML数组串转json串
*void
*/
 publicvoidtestGetJsonStrFromXML2(){
 Stringxml="2009-09-1207:04:38"
 +"get";
//print:[{"dateAttr":"2009-09-1207:04:38","name":"get"}]
System.out.println(JsonUtil.getJsonStrFromXML(xml));
}
}