json-lib java.util.Date指定自己的格式

	/**
	 * 
	 * @Description 将JAVA对象转换为JSON格式的字符串 升级版本 
	 * @create Jul 5, 2010
	 * @auhtor 覃正平
	 * @param object ： 对象
	 * @return String
	 */
	public static String convert2Json2(Object object){
		JsonConfig jsonConfig = new JsonConfig();
		jsonConfig.registerJsonValueProcessor(java.util.Date.class, new JsonValueProcessor(){
			private final String format = "yyyy-MM-dd hh:mm:ss" ;
			public Object processArrayValue(Object object, JsonConfig jsonConfig) {
				return null;
			}

			public Object processObjectValue(String string, Object object,JsonConfig jsonConfig) {
				if(null == object ){
					return "" ;
				}else{
					if(object instanceof java.util.Date){
						SimpleDateFormat simpleDateFormat = new SimpleDateFormat(format) ;
						String dateStr = simpleDateFormat.format(object) ;
						return dateStr ;
					}
				}

				return object.toString();
			}
		}) ;

        if(object instanceof String)
            return object.toString();
        if((object instanceof Object[])||(object instanceof List)){
            JSONArray jsonObject = JSONArray.fromObject(object,jsonConfig);
            return jsonObject.toString()+'\n';
        }else{
            JSONObject jsonObject = JSONObject.fromObject(object,jsonConfig);
            return jsonObject.toString()+'\n';
        }
    }