Json和Bean的互相转换

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这是Json和Bean的转换

废话不说上代码

/** * Use jacksonMapper Convert JSON to Bean *  * @param obj *            Source Object * @return JSON String * @throws CommonException */public static String bean2JSON(Object obj) throws CommonException {String errorMessage = "The operation of bean2Json has been error!";ObjectMapper objectMapper = null;StringBuffer strBuffer = new StringBuffer("");objectMapper = new ObjectMapper();try {strBuffer.append(objectMapper.writeValueAsString(obj));} catch (JsonGenerationException e) {throw new CommonException(errorMessage, e);} catch (JsonMappingException e) {throw new CommonException(errorMessage, e);} catch (IOException e) {throw new CommonException(errorMessage, e);}return strBuffer.toString();}/** * Use jacksonMapper Convert JSON to Bean *  * @param json *            JSON String * @param clz *            Target Class Object * @return Target Object * @throws CommonException */public static <T> T json2Bean(String json, Class<T> clz) throws CommonException {String errorMessage = "The operation of json2Bean has been error!";try {ObjectMapper objectMapper = new ObjectMapper();return (T) objectMapper.readValue(json, clz);} catch (JsonParseException e) {throw new CommonException(errorMessage, e);} catch (JsonMappingException e) {throw new CommonException(errorMessage, e);} catch (IOException e) {throw new CommonException(errorMessage, e);}}

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