refactor(payment): 重构支付服务实现类

- 为 PaymentServiceImpl 类添加统一支付服务标识
- 在 PaymentController 中明确引用统一支付服务

docs/run_shop_generator.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# 设置 JAVA_HOME（如果需要）
+# export JAVA_HOME=/path/to/java
+
+# 构建类路径
+CLASSPATH="target/test-classes:target/classes"
+
+# 添加 Maven 依赖
+MAVEN_REPO="$HOME/.m2/repository"
+
+# 添加必要的依赖 JAR 文件
+CLASSPATH="$CLASSPATH:$MAVEN_REPO/com/baomidou/mybatis-plus-generator/3.5.3/mybatis-plus-generator-3.5.3.jar"
+CLASSPATH="$CLASSPATH:$MAVEN_REPO/com/baomidou/mybatis-plus-core/3.4.3.3/mybatis-plus-core-3.4.3.3.jar"
+CLASSPATH="$CLASSPATH:$MAVEN_REPO/com/baomidou/mybatis-plus-annotation/3.4.3.3/mybatis-plus-annotation-3.4.3.3.jar"
+CLASSPATH="$CLASSPATH:$MAVEN_REPO/com/ibeetl/beetl/3.15.10.RELEASE/beetl-3.15.10.RELEASE.jar"
+CLASSPATH="$CLASSPATH:$MAVEN_REPO/mysql/mysql-connector-java/8.0.29/mysql-connector-java-8.0.29.jar"
+CLASSPATH="$CLASSPATH:$MAVEN_REPO/org/mybatis/mybatis/3.5.7/mybatis-3.5.7.jar"
+
+echo "运行 ShopGenerator..."
+echo "类路径: $CLASSPATH"
+
+# 运行生成器
+java -cp "$CLASSPATH" com.gxwebsoft.generator.ShopGenerator
+
+echo "生成器运行完成！"