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	* sqlite 驱动从 github.com/jinzhu/gorm/dialects/sqlite 改为 github.com/glebarez/go-sqlite,以移除对 cgo 的依赖 * // 兼容已有配置中的 "sqlite3" 配置项 * Update models/init.go: 修改变量名
		
			
				
	
	
		
			106 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package model
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import (
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	"fmt"
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	"time"
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	"github.com/cloudreve/Cloudreve/v3/pkg/conf"
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	"github.com/cloudreve/Cloudreve/v3/pkg/util"
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	"github.com/gin-gonic/gin"
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	"github.com/jinzhu/gorm"
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	_ "github.com/glebarez/go-sqlite"
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	_ "github.com/jinzhu/gorm/dialects/mssql"
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	_ "github.com/jinzhu/gorm/dialects/mysql"
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	_ "github.com/jinzhu/gorm/dialects/postgres"
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)
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// DB 数据库链接单例
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var DB *gorm.DB
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// Init 初始化 MySQL 链接
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func Init() {
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	util.Log().Info("Initializing database connection...")
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	var (
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		db         *gorm.DB
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		err        error
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		confDBType string = conf.DatabaseConfig.Type
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	)
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	// 兼容已有配置中的 "sqlite3" 配置项
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	if confDBType == "sqlite3" {
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		confDBType = "sqlite"
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	}
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	if gin.Mode() == gin.TestMode {
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		// 测试模式下,使用内存数据库
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		db, err = gorm.Open("sqlite", ":memory:")
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	} else {
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		switch confDBType {
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		case "UNSET", "sqlite":
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			// 未指定数据库或者明确指定为 sqlite 时,使用 SQLite 数据库
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			db, err = gorm.Open("sqlite", util.RelativePath(conf.DatabaseConfig.DBFile))
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		case "postgres":
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			db, err = gorm.Open(confDBType, fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%d sslmode=disable",
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				conf.DatabaseConfig.Host,
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				conf.DatabaseConfig.User,
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				conf.DatabaseConfig.Password,
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				conf.DatabaseConfig.Name,
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				conf.DatabaseConfig.Port))
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		case "mysql", "mssql":
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			var host string
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			if conf.DatabaseConfig.UnixSocket {
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				host = fmt.Sprintf("unix(%s)",
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					conf.DatabaseConfig.Host)
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			} else {
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				host = fmt.Sprintf("(%s:%d)",
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					conf.DatabaseConfig.Host,
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					conf.DatabaseConfig.Port)
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			}
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			db, err = gorm.Open(confDBType, fmt.Sprintf("%s:%s@%s/%s?charset=%s&parseTime=True&loc=Local",
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				conf.DatabaseConfig.User,
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				conf.DatabaseConfig.Password,
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				host,
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				conf.DatabaseConfig.Name,
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				conf.DatabaseConfig.Charset))
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		default:
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			util.Log().Panic("Unsupported database type %q.", confDBType)
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		}
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	}
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	//db.SetLogger(util.Log())
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	if err != nil {
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		util.Log().Panic("Failed to connect to database: %s", err)
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	}
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	// 处理表前缀
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	gorm.DefaultTableNameHandler = func(db *gorm.DB, defaultTableName string) string {
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		return conf.DatabaseConfig.TablePrefix + defaultTableName
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	}
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	// Debug模式下,输出所有 SQL 日志
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	if conf.SystemConfig.Debug {
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		db.LogMode(true)
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	} else {
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		db.LogMode(false)
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	}
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	//设置连接池
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	db.DB().SetMaxIdleConns(50)
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	if confDBType == "sqlite" || confDBType == "UNSET" {
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		db.DB().SetMaxOpenConns(1)
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	} else {
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		db.DB().SetMaxOpenConns(100)
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	}
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	//超时
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	db.DB().SetConnMaxLifetime(time.Second * 30)
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	DB = db
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	//执行迁移
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	migration()
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}
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