调整common工程目录

mall-ebtp-cloud-libs/mall-ebtp-cloud-common/src/main/java/com/chinaunicom/ebtp/mall/cloud/common/utils/JsonUtils.java

@@ -0,0 +1,97 @@
+package com.chinaunicom.ebtp.mall.cloud.common.utils;
+
+import java.util.List;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import com.fasterxml.jackson.module.paramnames.ParameterNamesModule;
+
+import cn.hutool.core.exceptions.ExceptionUtil;
+import com.fasterxml.jackson.databind.JavaType;
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * json util
+ *
+ * @author 付庆吉
+ * @date 2020-09-16
+ */
+@Slf4j
+public class JsonUtils {
+
+    private static final ObjectMapper MAPPER = new ObjectMapper();
+
+    /**
+     * 将对象转换成json字符串。
+     * <p>Title: pojoToJson</p>
+     * <p>Description: </p>
+     *
+     * @param data
+     * @return
+     */
+    public static String objectToJson(Object data) {
+        try {
+            MAPPER.registerModule(new ParameterNamesModule())
+                    .registerModule(new Jdk8Module())
+                    .registerModule(new JavaTimeModule());
+            return MAPPER.writeValueAsString(data);
+        } catch (JsonProcessingException e) {
+            log.info(ExceptionUtil.stacktraceToString(e));
+        }
+        return null;
+    }
+
+    /**
+     * 将json结果集转化为对象
+     *
+     * @param jsonData json数据
+     * @param beanType 对象中的object类型
+     * @return
+     */
+    public static <T> T jsonToPojo(String jsonData, Class<T> beanType) {
+        try {
+            return MAPPER.readValue(jsonData, beanType);
+        } catch (Exception e) {
+            log.info(ExceptionUtil.stacktraceToString(e));
+        }
+        return null;
+    }
+
+    /**
+     * 将json数据转换成pojo对象list
+     * <p>Title: jsonToList</p>
+     * <p>Description: </p>
+     *
+     * @param jsonData
+     * @param beanType
+     * @return
+     */
+    public static <T> List<T> jsonToList(String jsonData, Class<T> beanType) {
+        JavaType javaType = MAPPER.getTypeFactory().constructParametricType(List.class, beanType);
+        try {
+            List<T> list = MAPPER.readValue(jsonData, javaType);
+            return list;
+        } catch (Exception e) {
+            log.info(ExceptionUtil.stacktraceToString(e));
+        }
+        return null;
+    }
+
+    /**
+     * 将List<DTO>转为List<VO>
+     * <p>Title: jsonToList</p>
+     * <p>Description: </p>
+     *
+     * @param jsonData
+     * @param beanType
+     * @return
+     */
+    public static <T> List<T> jsonToList(List jsonData, Class<T> beanType) {
+        String str = objectToJson(jsonData);
+
+        return jsonToList(str,beanType);
+    }
+
+}

mall-ebtp-cloud-libs/mall-ebtp-cloud-common/src/test/java/om/chinaunicom/ebtp/mall/cloud/common/AppTest.java

@@ -0,0 +1,38 @@
+package om.chinaunicom.ebtp.mall.cloud.common;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+/**
+ * Unit test for simple App.
+ */
+public class AppTest 
+    extends TestCase
+{
+    /**
+     * Create the test case
+     *
+     * @param testName name of the test case
+     */
+    public AppTest( String testName )
+    {
+        super( testName );
+    }
+
+    /**
+     * @return the suite of tests being tested
+     */
+    public static Test suite()
+    {
+        return new TestSuite( AppTest.class );
+    }
+
+    /**
+     * Rigourous Test :-)
+     */
+    public void testApp()
+    {
+        assertTrue( true );
+    }
+}