src/org/redkale/convert/ConvertColumn.java

@@ -31,6 +31,13 @@ public @interface ConvertColumn {
      */
     String name() default "";
 
+    /**
+     * 给字段取个序号ID，值小靠前
+     *
+     * @return 字段排序ID
+     */
+    int index() default 0;
+
     /**
      * 解析/序列化时是否屏蔽该字段
      *

src/org/redkale/convert/ConvertColumnEntry.java

@@ -8,11 +8,15 @@ package org.redkale.convert;
 /**
  * ConvertColumn 对应的实体类
  *
- * <p> 详情见: https://redkale.org
+ * <p>
+ * 详情见: https://redkale.org
+ *
  * @author zhangjx
  */
 public final class ConvertColumnEntry {
 
+    private int index;
+
     private String name = "";
 
     private boolean ignore;
@@ -25,6 +29,7 @@ public final class ConvertColumnEntry {
     public ConvertColumnEntry(ConvertColumn column) {
         if (column == null) return;
         this.name = column.name();
+        this.index = column.index();
         this.ignore = column.ignore();
         this.convertType = column.type();
     }
@@ -32,7 +37,7 @@ public final class ConvertColumnEntry {
     public ConvertColumnEntry(String name) {
         this(name, false);
     }
-    
+
     public ConvertColumnEntry(String name, boolean ignore) {
         this.name = name;
         this.ignore = ignore;
@@ -45,6 +50,13 @@ public final class ConvertColumnEntry {
         this.convertType = convertType;
     }
 
+    public ConvertColumnEntry(String name, int index, boolean ignore, ConvertType convertType) {
+        this.name = name;
+        this.index = index;
+        this.ignore = ignore;
+        this.convertType = convertType;
+    }
+
     public String name() {
         return name == null ? "" : name;
     }
@@ -69,4 +81,12 @@ public final class ConvertColumnEntry {
         this.convertType = convertType;
     }
 
+    public int getIndex() {
+        return index;
+    }
+
+    public void setIndex(int index) {
+        this.index = index;
+    }
+
 }

src/org/redkale/convert/ConvertFactory.java

@@ -129,12 +129,16 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
 
     public abstract ConvertType getConvertType();
 
-    public abstract boolean isReversible();
+    public abstract boolean isReversible(); //是否可逆的
 
     public abstract ConvertFactory createChild();
 
     public abstract ConvertFactory createChild(boolean tiny);
 
+    public boolean isIndexSort() { //是否使用@ConvertColumn.index排序
+        return false;
+    }
+
     public Convert getConvert() {
         return convert;
     }

src/org/redkale/convert/DeMember.java

@@ -22,6 +22,8 @@ import org.redkale.util.Attribute;
 @SuppressWarnings("unchecked")
 public final class DeMember<R extends Reader, T, F> implements Comparable<DeMember<R, T, F>> {
 
+    protected int index;
+
     protected final Attribute<T, F> attribute;
 
     protected Decodeable<R, F> decoder;
@@ -68,9 +70,14 @@ public final class DeMember<R extends Reader, T, F> implements Comparable<DeMemb
         return this.attribute;
     }
 
+    public int getIndex() {
+        return this.index;
+    }
+
     @Override
     public final int compareTo(DeMember<R, T, F> o) {
         if (o == null) return 1;
+        if (this.index != o.index) return this.index - o.index;
         return this.attribute.field().compareTo(o.attribute.field());
     }
 

src/org/redkale/convert/EnMember.java

@@ -31,6 +31,8 @@ public final class EnMember<W extends Writer, T, F> implements Comparable<EnMemb
     //final boolean isnumber;
     final boolean isbool;
 
+    protected int index;
+
     public EnMember(Attribute<T, F> attribute, Encodeable<W, F> encoder) {
         this.attribute = attribute;
         this.encoder = encoder;
@@ -61,9 +63,14 @@ public final class EnMember<W extends Writer, T, F> implements Comparable<EnMemb
         return attribute.field().equals(name);
     }
 
+    public int getIndex() {
+        return this.index;
+    }
+
     @Override
     public final int compareTo(EnMember<W, T, F> o) {
         if (o == null) return 1;
+        if (this.index != o.index) return this.index - o.index;
         return this.attribute.field().compareTo(o.attribute.field());
     }