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gorm.go
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gorm.go
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// PhalGo-Grom
// 数据库处理,使用Grom
// 喵了个咪 <wenzhenxi@vip.qq.com> 2016/5/11
// 依赖情况:
// "github.com/jinzhu/gorm"
package phalgo
import (
"github.com/jinzhu/gorm"
_ "github.com/jinzhu/gorm/dialects/mysql"
_ "github.com/jinzhu/gorm/dialects/postgres"
_ "github.com/jinzhu/gorm/dialects/mssql"
_ "github.com/jinzhu/gorm/dialects/sqlite"
"fmt"
)
var Gorm map[string]*gorm.DB
func init() {
Gorm = make(map[string]*gorm.DB)
}
// 初始化Gorm
func NewDB(dbname string) {
var orm *gorm.DB
var err error
//默认配置
Config.SetDefault(dbname, map[string]interface{}{
"dbHost" : "127.0.0.1",
"dbName" : "phalgo",
"dbUser" : "root",
"dbPasswd" : "",
"dbPort" : 3306,
"dbIdleconns_max" : 0,
"dbOpenconns_max" : 20,
"dbType" : "mysql",
})
dbHost := Config.GetString(dbname + ".dbHost")
dbName := Config.GetString(dbname + ".dbName")
dbUser := Config.GetString(dbname + ".dbUser")
dbPasswd := Config.GetString(dbname + ".dbPasswd")
dbPort := Config.GetString(dbname + ".dbPort")
dbType := Config.GetString(dbname + ".dbType")
orm, err = gorm.Open(dbType, dbUser + ":" + dbPasswd + "@tcp(" + dbHost + ":" + dbPort + ")/" + dbName + "?charset=utf8")
//开启sql调试模式
//GDB.LogMode(true)
if err != nil {
fmt.Println("数据库连接异常!")
}
//连接池的空闲数大小
orm.DB().SetMaxIdleConns(Config.GetInt(dbname + ".idleconns_max"))
//最大打开连接数
orm.DB().SetMaxIdleConns(Config.GetInt(dbname + ".openconns_max"))
Gorm[dbname] = orm
//defer Gorm[dbname].Close()
}
// 通过名称获取Gorm实例
func GetORMByName(dbname string) *gorm.DB {
return Gorm[dbname]
}
// 获取默认的Gorm实例
func GetORM() *gorm.DB {
return Gorm["dbDefault"]
}