1. 实现配置文件解析

2. 实现数据库连接

vendor/gorm.io/gorm/schema/interfaces.go

@@ -0,0 +1,42 @@
+package schema
+
+import (
+	"gorm.io/gorm/clause"
+)
+
+// ConstraintInterface database constraint interface
+type ConstraintInterface interface {
+	GetName() string
+	Build() (sql string, vars []interface{})
+}
+
+// GormDataTypeInterface gorm data type interface
+type GormDataTypeInterface interface {
+	GormDataType() string
+}
+
+// FieldNewValuePool field new scan value pool
+type FieldNewValuePool interface {
+	Get() interface{}
+	Put(interface{})
+}
+
+// CreateClausesInterface create clauses interface
+type CreateClausesInterface interface {
+	CreateClauses(*Field) []clause.Interface
+}
+
+// QueryClausesInterface query clauses interface
+type QueryClausesInterface interface {
+	QueryClauses(*Field) []clause.Interface
+}
+
+// UpdateClausesInterface update clauses interface
+type UpdateClausesInterface interface {
+	UpdateClauses(*Field) []clause.Interface
+}
+
+// DeleteClausesInterface delete clauses interface
+type DeleteClausesInterface interface {
+	DeleteClauses(*Field) []clause.Interface
+}