[feature]:支持Sqlite数据库 (#1467)

* add sqlite3 support

* 修改gorm.io/driver/sqlite 为 github.com/glebarez/sqlite 适配windows用户无cgo环境

---------

Co-authored-by: Kafumio <linzehong1_2020@qq.com>
Co-authored-by: Kafumio <73083337+Kafumio@users.noreply.github.com>
Co-authored-by: sliverhorn <sliver_horn@qq.com>

server/initialize/gorm.go

@@ -23,6 +23,8 @@ func Gorm() *gorm.DB {
 		return GormOracle()
 	case "mssql":
 		return GormMssql()
+	case "sqlite":
+		return GormSqlite()
 	default:
 		return GormMysql()
 	}

server/initialize/gorm_mysql.go

@@ -4,6 +4,7 @@ import (
 	"github.com/flipped-aurora/gin-vue-admin/server/config"
 	"github.com/flipped-aurora/gin-vue-admin/server/global"
 	"github.com/flipped-aurora/gin-vue-admin/server/initialize/internal"
+	_ "github.com/go-sql-driver/mysql"
 	"gorm.io/driver/mysql"
 	"gorm.io/gorm"
 )
@@ -20,7 +21,6 @@ func GormMysql() *gorm.DB {
 		DSN:                       m.Dsn(), // DSN data source name
 		DefaultStringSize:         191,     // string 类型字段的默认长度
 		SkipInitializeWithVersion: false,   // 根据版本自动配置
-
 	}
 	if db, err := gorm.Open(mysql.New(mysqlConfig), internal.Gorm.Config(m.Prefix, m.Singular)); err != nil {
 		return nil

server/initialize/gorm_oracle.go

@@ -40,7 +40,6 @@ func GormOracleByConfig(m config.Oracle) *gorm.DB {
 	oracleConfig := mysql.Config{
 		DSN:               m.Dsn(), // DSN data source name
 		DefaultStringSize: 191,     // string 类型字段的默认长度
-
 	}
 	if db, err := gorm.Open(mysql.New(oracleConfig), internal.Gorm.Config(m.Prefix, m.Singular)); err != nil {
 		panic(err)

server/initialize/gorm_sqlite.go

@@ -0,0 +1,42 @@
+package initialize
+
+import (
+	"github.com/flipped-aurora/gin-vue-admin/server/config"
+	"github.com/flipped-aurora/gin-vue-admin/server/global"
+	"github.com/flipped-aurora/gin-vue-admin/server/initialize/internal"
+	"github.com/glebarez/sqlite"
+	"gorm.io/gorm"
+)
+
+// GormSqlite 初始化Sqlite数据库
+func GormSqlite() *gorm.DB {
+	s := global.GVA_CONFIG.Sqlite
+	if s.Dbname == "" {
+		return nil
+	}
+
+	if db, err := gorm.Open(sqlite.Open(s.Dsn()), internal.Gorm.Config(s.Prefix, s.Singular)); err != nil {
+		panic(err)
+	} else {
+		sqlDB, _ := db.DB()
+		sqlDB.SetMaxIdleConns(s.MaxIdleConns)
+		sqlDB.SetMaxOpenConns(s.MaxOpenConns)
+		return db
+	}
+}
+
+// GormSqliteByConfig 初始化Sqlite数据库用过传入配置
+func GormSqliteByConfig(s config.Sqlite) *gorm.DB {
+	if s.Dbname == "" {
+		return nil
+	}
+
+	if db, err := gorm.Open(sqlite.Open(s.Dsn()), internal.Gorm.Config(s.Prefix, s.Singular)); err != nil {
+		panic(err)
+	} else {
+		sqlDB, _ := db.DB()
+		sqlDB.SetMaxIdleConns(s.MaxIdleConns)
+		sqlDB.SetMaxOpenConns(s.MaxOpenConns)
+		return db
+	}
+}