pb

src/main/java/org/redkale/convert/pb/ProtobufArrayEncoder.java

@@ -70,6 +70,12 @@ public class ProtobufArrayEncoder<T> extends ArrayEncoder<ProtobufWriter, T>
         }
     }
 
+    // 对象是否为空
+    @Override
+    public boolean isEmpty(ProtobufWriter out, T[] value) {
+        return value == null || value.length == 0;
+    }
+
     @Override
     public int computeSize(ProtobufWriter out, int tagSize, T[] value) {
         if (value == null || value.length == 0) {

src/main/java/org/redkale/convert/pb/ProtobufCollectionEncoder.java

@@ -70,6 +70,12 @@ public class ProtobufCollectionEncoder<T> extends CollectionEncoder<ProtobufWrit
         }
     }
 
+    // 对象是否为空
+    @Override
+    public boolean isEmpty(ProtobufWriter out, Collection<T> value) {
+        return value == null || value.isEmpty();
+    }
+
     @Override
     public int computeSize(ProtobufWriter out, int tagSize, Collection<T> value) {
         if (value == null || value.isEmpty()) {

src/main/java/org/redkale/convert/pb/ProtobufEncodeable.java

@@ -24,8 +24,11 @@ public interface ProtobufEncodeable<W extends Writer, T> extends Encodeable<W, T
         convertTo(out, value);
     }
 
+    // 对象是否为空
+    default boolean isEmpty(W out, T value) {
+        return false;
+    }
+
     // 计算内容长度
     public int computeSize(ProtobufWriter out, int tagSize, T value);
-
-
 }

src/main/java/org/redkale/convert/pb/ProtobufMapEncoder.java

@@ -87,6 +87,12 @@ public class ProtobufMapEncoder<K, V> extends MapEncoder<ProtobufWriter, K, V>
         return (keyMember.getTagSize() + keySize) + (valueMember.getTagSize() + valSize);
     }
 
+    // 对象是否为空
+    @Override
+    public boolean isEmpty(ProtobufWriter out, Map<K, V> value) {
+        return value == null || value.isEmpty();
+    }
+
     @Override
     public int computeSize(ProtobufWriter out, int tagSize, Map<K, V> value) {
         if (Utility.isEmpty(value)) {

src/main/java/org/redkale/convert/pb/ProtobufStreamEncoder.java

@@ -71,6 +71,13 @@ public class ProtobufStreamEncoder<T> extends StreamEncoder<ProtobufWriter, T>
         }
     }
 
+    // 对象是否为空
+    @Override
+    public boolean isEmpty(ProtobufWriter out, Stream<T> value) {
+        Object[] array = out.putStreamArray(value);
+        return array == null || array.length == 0;
+    }
+
     @Override
     public int computeSize(ProtobufWriter out, int tagSize, Stream<T> value) {
         Object[] array = out.putStreamArray(value);

src/main/java/org/redkale/convert/pb/ProtobufWriter.java

@@ -1065,6 +1065,9 @@ public abstract class ProtobufWriter extends Writer {
             return;
         }
         ProtobufEncodeable encoder = (ProtobufEncodeable) member.getEncoder();
+        if (encoder.isEmpty(this, value)) {
+            return;
+        }
         this.writeField(member);
         encoder.convertTo(this, member, value);
     }