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📄 json数据与java数据的转换 - 两扇门 - javaeye技术网站.mht

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	/**
     * =
=E4=BB=8Ejson=E6=95=B0=E7=BB=84=E4=B8=AD=E5=BE=97=E5=88=B0=E7=9B=B8=E5=BA=
=94java=E6=95=B0=E7=BB=84
     * json=E5=BD=A2=E5=A6=82=EF=BC=9A["123", "456"]
     * @param jsonString
     * @return
     */
    public static Object[] getObjectArrayFromJson(String jsonString) {
        JSONArray jsonArray =3D JSONArray.fromObject(jsonString);
        return jsonArray.toArray();
    }


	/**
	 * =
=E6=8A=8A=E6=95=B0=E6=8D=AE=E5=AF=B9=E8=B1=A1=E8=BD=AC=E6=8D=A2=E6=88=90j=
son=E5=AD=97=E7=AC=A6=E4=B8=B2
	 * DTO=E5=AF=B9=E8=B1=A1=E5=BD=A2=E5=A6=82=EF=BC=9A{"id" : idValue, =
"name" : nameValue, ...}
	 * =E6=95=B0=E7=BB=84=E5=AF=B9=E8=B1=A1=E5=BD=A2=E5=A6=82=EF=BC=9A[{}, =
{}, {}, ...]
	 * map=E5=AF=B9=E8=B1=A1=E5=BD=A2=E5=A6=82=EF=BC=9A{key1 : {"id" : =
idValue, "name" : nameValue, ...}, key2 : {}, ...}
	 * @param object
	 * @return
	 */
	public static String getJSONString(Object object) throws Exception{
		String jsonString =3D null;
		//=E6=97=A5=E6=9C=9F=E5=80=BC=E5=A4=84=E7=90=86=E5=99=A8
		JsonConfig jsonConfig =3D new JsonConfig();
		jsonConfig.registerJsonValueProcessor(java.util.Date.class, new =
JsonDateValueProcessor());
		if(object !=3D null){
			if(object instanceof Collection || object instanceof Object[]){
				jsonString =3D JSONArray.fromObject(object, jsonConfig).toString();
			}else{
				jsonString =3D JSONObject.fromObject(object, jsonConfig).toString();
			}
		}
		return jsonString =3D=3D null ? "{}" : jsonString;
	}
=09
	private static void setDataFormat2JAVA(){
		=
//=E8=AE=BE=E5=AE=9A=E6=97=A5=E6=9C=9F=E8=BD=AC=E6=8D=A2=E6=A0=BC=E5=BC=8F=

		JSONUtils.getMorpherRegistry().registerMorpher(new DateMorpher(new =
String[] {"yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss"}));
	}
=09
	public static void main(String[] arg) throws Exception{
		String s =3D "{status : 'success'}";
		System.out.println(" object : " + JsonUtil.getJSONString(s));
	}
}</PRE>
<P>&nbsp;</P>
<P>=E5=AF=B9=E4=BA=8E=E5=AF=B9=E8=B1=A1=E4=B8=AD=E6=9C=89=E6=98=8E=E7=A1=AE=
=E7=B1=BB=E5=9E=8B=E7=9A=84=E5=AF=B9=E8=B1=A1=E5=B1=9E=E6=80=A7=EF=BC=8C=E5=
=8F=AF=E4=B8=8D=E7=AE=A1=EF=BC=9B=E4=BD=86=E5=AF=B9=E8=B1=A1=E4=B8=AD=E6=9C=
=89=E9=9B=86=E5=90=88=E5=B1=9E=E6=80=A7=E7=9A=84=EF=BC=8C=E7=94=B1=E4=BA=8E=
=E7=B1=BB=E5=9E=8B=E4=B8=8D=E6=98=8E=E7=A1=AE=EF=BC=8C=E6=89=80=E4=BB=A5=E8=
=A6=81=E5=85=88=E6=98=8E=E7=A1=AE=E7=B1=BB=E5=9E=8B=EF=BC=9A</P><PRE =
class=3Djava name=3D"code">String jsonString =3D =
request.getParameter("json");
//=E5=A2=9E=E5=8A=A0=E5=AF=B9=E8=B1=A1=E4=B8=AD=E7=9A=84=E9=9B=86=E5=90=88=
=E5=B1=9E=E6=80=A7=E7=9A=84=E7=B1=BB=E5=9E=8B=E4=BB=A5=E5=8F=8A=E5=AF=B9=E8=
=B1=A1=E5=85=83=E7=B4=A0=E4=B8=AD=E7=9A=84=E5=AF=B9=E8=B1=A1=E5=B1=9E=E6=80=
=A7=E7=9A=84=E9=9B=86=E5=90=88=E5=B1=9E=E6=80=A7=E7=9A=84=E7=B1=BB=E5=9E=8B=

Map clazzMap =3D new HashMap();
//secondItems=E6=98=AFFirstDTO=E9=87=8C=E7=9A=84=E9=9B=86=E5=90=88=E5=B1=9E=
=E6=80=A7
clazzMap.put("secondItems", SecondDTO.class);
//thirdItems=E6=98=AFSecondDTO=E9=87=8C=E7=9A=84=E9=9B=86=E5=90=88=E5=B1=9E=
=E6=80=A7
clazzMap.put("thirdItems", ThirdDTO.class);
FirstDTO firstDTO =3D (FirstDTO)JsonUtil.getDTO(jsonString, =
FirstDTO.class, clazzMap);</PRE>
<P>&nbsp;&nbsp;</P>
<P>&nbsp;</P>
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=E8=A7=81=E3=80=81=E9=97=AE=E9=A2=98=E6=88=96=E5=BB=BA=E8=AE=AE=EF=BC=8C=E6=
=AC=A2=E8=BF=8E=E6=8C=87=E5=87=BA=E3=80=81=E6=8C=87=E6=AD=A3=EF=BC=8C=E8=B0=
=A2=E8=B0=A2</P></DIV>
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