初始化项目框架，完成部分接口开发

internal/dao/categories.go

@@ -0,0 +1,27 @@
+// =================================================================================
+// This file is auto-generated by the GoFrame CLI tool. You may modify it as needed.
+// =================================================================================
+
+package dao
+
+import (
+	"server/internal/dao/internal"
+)
+
+// internalCategoriesDao is an internal type for wrapping the internal DAO implementation.
+type internalCategoriesDao = *internal.CategoriesDao
+
+// categoriesDao is the data access object for the table categories.
+// You can define custom methods on it to extend its functionality as needed.
+type categoriesDao struct {
+	internalCategoriesDao
+}
+
+var (
+	// Categories is a globally accessible object for table categories operations.
+	Categories = categoriesDao{
+		internal.NewCategoriesDao(),
+	}
+)
+
+// Add your custom methods and functionality below.