升级新版本

yzg-util-base/src/test/java/helper/TestJsonHelper.java

+package helper;
+
+import com.alibaba.fastjson.TypeReference;
+import com.yanzuoguang.util.helper.JsonHelper;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class TestJsonHelper {
+
+    @Test
+    public void test() {
+        Fanxing<FanxingData> from = new Fanxing<>(new FanxingData("颜佐光"));
+        from.setList(null);
+        from.setListNull(null);
+
+        String json = JsonHelper.serialize(from);
+        Fanxing<FanxingData> to = JsonHelper.deserialize(json, new TypeReference<Fanxing<FanxingData>>() {
+        });
+        Assert.assertNotEquals(from, to);
+        Assert.assertNotEquals(from.getData(), to.getData());
+        Assert.assertEquals(from.getData().getName(), to.getData().getName());
+        Assert.assertFalse(to.getList() == null);
+        Assert.assertTrue(to.getListNull() == null);
+    }
+
+    @Test
+    public void test1() {
+        Fanxing<Fanxing<FanxingData>> from = new Fanxing<>(new Fanxing<>(new FanxingData("颜佐光")));
+        from.setList(null);
+        from.setListNull(null);
+
+        String json = JsonHelper.serialize(from);
+        Fanxing<Fanxing<FanxingData>> to = JsonHelper.deserialize(json, new TypeReference<Fanxing<Fanxing<FanxingData>>>() {
+        });
+        Assert.assertNotEquals(from, to);
+        Assert.assertNotEquals(from.getData(), to.getData());
+        Assert.assertEquals(from.getData().getData().getName(), to.getData().getData().getName());
+        Assert.assertFalse(to.getList() == null);
+        Assert.assertTrue(to.getListNull() == null);
+    }
+}
+
+
+class Fanxing<T> {
+
+    private T data;
+
+    /**
+     * null值反序列化后不会为null
+     */
+    private List<T> list = new ArrayList<>();
+
+    /**
+     * null值反序列化后后会为null
+     */
+    private List<T> listNull;
+
+    /**
+     * 当没有无参构造函数时无法序列化
+     */
+    public Fanxing() {
+    }
+
+    public Fanxing(T data) {
+        this.data = data;
+    }
+
+    public T getData() {
+        return data;
+    }
+
+    public void setData(T data) {
+        this.data = data;
+    }
+
+    public List<T> getList() {
+        return list;
+    }
+
+    public void setList(List<T> list) {
+        this.list = list;
+    }
+
+    public List<T> getListNull() {
+        return listNull;
+    }
+
+    public void setListNull(List<T> listNull) {
+        this.listNull = listNull;
+    }
+}
+
+
+class FanxingData {
+
+    private String name;
+
+    /**
+     * 当没有无参构造函数时无法序列化
+     */
+    public FanxingData() {
+    }
+
+    public FanxingData(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}
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