feat 签名算法支持嵌套参数优化, 新增支付演示模块

daxpay-single-sdk/pom.xml

@@ -51,23 +51,34 @@
     </properties>
 
     <dependencies>
+        <!-- 工具类 -->
         <dependency>
             <groupId>cn.hutool</groupId>
             <artifactId>hutool-all</artifactId>
             <version>${hutool.version}</version>
         </dependency>
+        <!-- 日志框架 -->
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
             <version>${logback-classic.version}</version>
             <scope>provided</scope>
         </dependency>
+        <!-- Lombok -->
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
             <version>${lombok.version}</version>
             <scope>provided</scope>
         </dependency>
+        <!-- 注解标识 -->
+        <dependency>
+            <groupId>org.jetbrains</groupId>
+            <artifactId>annotations</artifactId>
+            <version>13.0</version>
+            <scope>provided</scope>
+        </dependency>
+        <!-- 测试类 -->
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>