package com.xncoding.pos.util; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.core.type.TypeReference; import com.fasterxml.jackson.databind.ObjectMapper; import java.io.IOException; /** * JacksonUtil * * @author XiongNeng * @version 1.0 * @since 2018/3/4 */ public class JacksonUtil { private static ObjectMapper mapper = new ObjectMapper(); public static String bean2Json(Object obj) { try { return mapper.writeValueAsString(obj); } catch (JsonProcessingException e) { e.printStackTrace(); return null; } } // public static <T> T json2Bean(String jsonStr, Class<T> objClass) { // try { // return mapper.readValue(jsonStr, objClass); // } catch (IOException e) { // e.printStackTrace(); // return null; // } // } public static <T> T json2Bean(String jsonStr, TypeReference<T> typeReference) { try { return mapper.readValue(jsonStr, typeReference); } catch (IOException e) { e.printStackTrace(); return null; } } }