1.2.8 新增ObjUtil 对类（对象）进行处理，提供深度克隆

src/main/java/com/yexuejc/base/util/ObjUtil.java

@@ -0,0 +1,101 @@
+package com.yexuejc.base.util;
+
+import com.fasterxml.jackson.databind.util.BeanUtil;
+import com.sun.org.apache.xml.internal.serializer.OutputPropertyUtils;
+
+import java.io.*;
+
+/**
+ * 对象工具：对类的操作
+ *
+ * @author maxf
+ * @version 1.0
+ * @ClassName ObjUtil
+ * @Description
+ * @date 2018/12/28 15:54
+ */
+public class ObjUtil {
+    private ObjUtil() {
+    }
+
+    /**
+     * <h2>深度克隆对象</h2>
+     * <p>
+     * 将该对象序列化成流,因为写在流里的是对象的一个拷贝，而原对象仍然存在于JVM里面。所以利用这个特性可以实现对象的深拷贝
+     * </p>
+     * <i>注：克隆对象必须序列化</i>
+     *
+     * @param t
+     * @param <T>
+     * @return
+     */
+    public static <T> T depthClone(T t) {
+        T outer = null;
+        try {
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            ObjectOutputStream oos = new ObjectOutputStream(baos);
+            oos.writeObject(t);
+            ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
+            ObjectInputStream ois = new ObjectInputStream(bais);
+            outer = (T) ois.readObject();
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        }
+        return outer;
+    }
+
+//    public static void main(String[] args) {
+////        test1();
+////        test2();
+//
+//    }
+//
+//    private static void test2() {
+//        B t = new B();
+//        t.sex = "男";
+//        t.age = 18;
+//        A test = new A();
+//        test.name = "张三";
+//        t.test = test;
+//        B b = depthClone(t);
+//        System.out.println(JsonUtil.obj2Json(b));
+//    }
+//
+//    static class A implements Serializable {
+//        private static final long serialVersionUID = -8462118058721865488L;
+//        public String name;
+//    }
+//
+//    static class B implements Serializable {
+//        private static final long serialVersionUID = 3297717505428005316L;
+//        public int age;
+//        public String sex;
+//        public A test;
+//    }
+//
+//    static class C implements Serializable {
+//        private static final long serialVersionUID = 3297717505428005316L;
+//        public int age;
+//        public String sex;
+//        public A test;
+//    }
+//
+//    private static void test1() {
+//        ApiVO apiVO = new ApiVO(ApiVO.STATUS.S);
+//        apiVO.setMsg("asdsadsad");
+//        apiVO.setObject1("sadsadsad");
+//
+//        Resps<String> obj = new Resps<>();
+//        obj.setSucc("安达圣斗士", "ok");
+//        System.out.println(obj);
+//        apiVO.setObject2(obj);
+//        ApiVO apiVO1 = depthClone(apiVO);
+//        System.out.println(apiVO == apiVO1);
+//        System.out.println(JsonUtil.obj2Json(apiVO1));
+//        System.out.println(JsonUtil.obj2Json(apiVO1.getObject1(String.class)));
+//        System.out.println(JsonUtil.obj2Json(apiVO1.getObject2(Resps.class)));
+//        System.out.println(apiVO1.getObject2(Resps.class) == obj);
+//    }
+}