JsonUtils工具类

public class JsonUtils<T> {
	
	/**
	 * Object转换为JSONString
	 * @return JSONString
	 */
    public static String obj2json(Object obj) throws Exception {
        return JSON.toJSONString(obj);
    }
    
    /**
	 * JSONString转换为Object
	 * @return Object
	 */
    public static <T> T json2obj(String jsonStr, Class<T> clazz) throws Exception {
        return JSON.parseObject(jsonStr, clazz);
    }
    
    /**
	 * JSONString转换为List<Object>
	 * @return Object
	 */
    public static <T> List<T> json2objList(String jsonStr, Class<T> clazz) throws Exception {
        return JSON.parseArray(jsonStr, clazz);
    }

    public static Map<String, Object> json2map(Object obj) {
        return JSON.parseObject(obj.toString()).getInnerMap();
    }

    public static <T> T map2obj(Map<?, ?> map, Class<T> clazz) throws Exception {
        return JSON.parseObject(JSON.toJSONString(map), clazz);
    }

    public static <T> T map2obj(Object object, Class<T> clazz) throws Exception {
        return JSON.parseObject(JSON.toJSONString(object), clazz);
    }

    /**
     * @param obj
     * @param clazz
     * @param <T>
     * @return 将Object转换成对应的model
     * 如 model = objToModel(map.get("model"), Model.class);
     */
    public static <T> T objToModel(Object obj, Class<T> clazz) {
        return JSON.parseObject(JSON.toJSONString(obj), clazz);
    }
}