初始化项目框架，完成部分接口开发

internal/model/do/user_chapter_purchases.go

@@ -0,0 +1,21 @@
+// =================================================================================
+// Code generated and maintained by GoFrame CLI tool. DO NOT EDIT.
+// =================================================================================
+
+package do
+
+import (
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gtime"
+)
+
+// UserChapterPurchases is the golang structure of table user_chapter_purchases for DAO operations like Where/Data.
+type UserChapterPurchases struct {
+	g.Meta       `orm:"table:user_chapter_purchases, do:true"`
+	Id           interface{} // 购买记录ID
+	UserId       interface{} // 用户ID
+	BookId       interface{} // 小说ID
+	ChapterId    interface{} // 章节ID
+	PointsUsed   interface{} // 消耗积分数
+	PurchaseTime *gtime.Time // 购买时间
+}