增加JsonUtils

src/main/java/cn/wujc/util/JsonUtils.java

@@ -0,0 +1,44 @@
+package cn.wujc.util;
+
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.commons.lang3.StringUtils;
+
+public class JsonUtils {
+ private static final ObjectMapper mapper = new ObjectMapper();
+ static {
+ mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
+ }
+
+ /**
+ * 对象转换成json格式
+ *
+ * @param obj
+ * @return
+ */
+ public static String writeValueAsString(Object obj) {
+ try {
+ return mapper.writeValueAsString(obj);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ /**
+ * json格式转换成对象
+ *
+ * @param json
+ * @param clazz
+ * @return
+ */
+ public static <T> T readValue(String json, Class<T> clazz) {
+ if (StringUtils.isBlank(json)) {
+ return null;
+ }
+ try {
+ return mapper.readValue(json, clazz);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+}