支持链式编程

hutool-db/src/main/java/org/dromara/hutool/db/Page.java

@@ -147,9 +147,11 @@ public class Page implements Segment<Integer>, Serializable {
 	 * 设置排序
 	 *
 	 * @param orders 排序
+	 * @return this
 	 */
-	public void addOrder(final Order... orders) {
+	public Page addOrder(final Order... orders) {
 		this.orders = ArrayUtil.append(this.orders, orders);
+		return this;
 	}
 	// ---------------------------------------------------------- Getters and Setters end
 

hutool-db/src/main/java/org/dromara/hutool/db/sql/Condition.java

@@ -336,10 +336,12 @@ public class Condition implements Cloneable, Serializable {
 	 * 设置与前一个Condition连接的逻辑运算符，可以是and或or
 	 *
 	 * @param linkOperator 与前一个Condition连接的逻辑运算符，可以是and或or
+	 * @return this
 	 * @since 5.4.3
 	 */
-	public void setLinkOperator(final LogicalOperator linkOperator) {
+	public Condition setLinkOperator(final LogicalOperator linkOperator) {
 		this.linkOperator = linkOperator;
+		return this;
 	}
 
 	// --------------------------------------------------------------- Getters and Setters end

hutool-db/src/main/java/org/dromara/hutool/db/sql/Order.java

@@ -79,10 +79,13 @@ public class Order implements Serializable{
 	}
 	/**
 	 * 设置排序方向
+	 *
 	 * @param direction 排序方向
+	 * @return this
 	 */
-	public void setDirection(final Direction direction) {
+	public Order setDirection(final Direction direction) {
 		this.direction = direction;
+		return this;
 	}
 	//---------------------------------------------------------- Getters and Setters end