1. 实现配置文件解析

2. 实现数据库连接

vendor/gorm.io/gorm/callbacks/interfaces.go

@@ -0,0 +1,39 @@
+package callbacks
+
+import "gorm.io/gorm"
+
+type BeforeCreateInterface interface {
+	BeforeCreate(*gorm.DB) error
+}
+
+type AfterCreateInterface interface {
+	AfterCreate(*gorm.DB) error
+}
+
+type BeforeUpdateInterface interface {
+	BeforeUpdate(*gorm.DB) error
+}
+
+type AfterUpdateInterface interface {
+	AfterUpdate(*gorm.DB) error
+}
+
+type BeforeSaveInterface interface {
+	BeforeSave(*gorm.DB) error
+}
+
+type AfterSaveInterface interface {
+	AfterSave(*gorm.DB) error
+}
+
+type BeforeDeleteInterface interface {
+	BeforeDelete(*gorm.DB) error
+}
+
+type AfterDeleteInterface interface {
+	AfterDelete(*gorm.DB) error
+}
+
+type AfterFindInterface interface {
+	AfterFind(*gorm.DB) error
+}