增加条件编译，修复windows下gcc依赖问题

app/admin/middleware/db.go

@@ -1,12 +1,6 @@
 package middleware
 
 import (
-	"database/sql"
-	"errors"
-
-	"gorm.io/driver/mysql"
-	"gorm.io/driver/postgres"
-	"gorm.io/driver/sqlite"
 	"gorm.io/gorm"
 	"gorm.io/gorm/schema"
 
@@ -18,19 +12,6 @@ import (
 
 var WithContextDb = middleware.WithContextDb
 
-func getGormFromDb(driver string, db *sql.DB, config *gorm.Config) (*gorm.DB, error) {
-	switch driver {
-	case "mysql":
-		return gorm.Open(mysql.New(mysql.Config{Conn: db}), config)
-	case "postgres":
-		return gorm.Open(postgres.New(postgres.Config{Conn: db}), config)
-	case "sqlite3":
-		return gorm.Open(sqlite.Open(global.Source), config)
-	default:
-		return nil, errors.New("not support this db driver")
-	}
-}
-
 func GetGormFromConfig(cfg config.Conf) map[string]*gorm.DB {
 	gormDB := make(map[string]*gorm.DB)
 	if cfg.GetSaas() {

app/admin/middleware/db_other.go

@@ -0,0 +1,23 @@
+// +build !sqlite3
+
+package middleware
+
+import (
+	"database/sql"
+	"errors"
+
+	"gorm.io/driver/mysql"
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+)
+
+func getGormFromDb(driver string, db *sql.DB, config *gorm.Config) (*gorm.DB, error) {
+	switch driver {
+	case "mysql":
+		return gorm.Open(mysql.New(mysql.Config{Conn: db}), config)
+	case "postgres":
+		return gorm.Open(postgres.New(postgres.Config{Conn: db}), config)
+	default:
+		return nil, errors.New("not support this db driver")
+	}
+}

app/admin/middleware/db_sqlite3.go

@@ -0,0 +1,28 @@
+// +build sqlite3
+
+package middleware
+
+import (
+	"database/sql"
+	"errors"
+
+	"gorm.io/driver/mysql"
+	"gorm.io/driver/postgres"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+
+	"go-admin/common/global"
+)
+
+func getGormFromDb(driver string, db *sql.DB, config *gorm.Config) (*gorm.DB, error) {
+	switch driver {
+	case "mysql":
+		return gorm.Open(mysql.New(mysql.Config{Conn: db}), config)
+	case "postgres":
+		return gorm.Open(postgres.New(postgres.Config{Conn: db}), config)
+	case "sqlite3":
+		return gorm.Open(sqlite.Open(global.Source), config)
+	default:
+		return nil, errors.New("not support this db driver")
+	}
+}