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package DbUtil
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import (
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"dsAutoCode/Utils/CommonUtil"
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"dsAutoCode/Utils/ConfigUtil"
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"fmt"
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_ "github.com/go-sql-driver/mysql"
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"github.com/xormplus/xorm"
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"github.com/xormplus/xorm/log"
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"github.com/xormplus/xorm/names"
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"os"
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"time"
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)
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var Engine *xorm.Engine
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func init() {
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host := ConfigUtil.MysqlIp
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port := ConfigUtil.MysqlPort
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user := ConfigUtil.MysqlUser
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dbname := ConfigUtil.MysqlDataBase
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password := ConfigUtil.MysqlPwd
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//mysql
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master := fmt.Sprintf("%s:%s@%s(%s:%s)/%s?charset=utf8", user, password, "tcp", host, port, dbname)
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var err error
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Engine, err = xorm.NewEngine("mysql", master)
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if err != nil {
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fmt.Println(err)
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}
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//设置数据库连接池
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Engine.SetMaxOpenConns(100) //设置打开数据库的最大连接数，包含正在使用的连接和连接池的连接。
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Engine.SetMaxIdleConns(10) //设置连接池中的保持连接的最大连接数。
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Engine.SetConnMaxLifetime(time.Second * 30)
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//调用第一次
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Engine.Ping()
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//这段代码是黄海后加上的 2020-04-16
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//通过定时ping保持鲜活
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go func() {
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for{
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//https://studygolang.com/articles/12617
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time.Sleep(time.Duration(10)*time.Second)
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Engine.Ping()
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}
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}()
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//设置数据时区
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var location *time.Location
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location, err = time.LoadLocation("Asia/Shanghai")
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Engine.TZLocation = location
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//与 struct的映射方式，这里采用蛇型方法，默认是蛇形
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Engine.SetTableMapper(names.SnakeMapper{})
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//显示+记录SQL日志
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f, _ := os.Create(CommonUtil.GetCurrentPath()+"/Logs/sql.log")
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Engine.SetLogger(log.NewSimpleLogger(f))
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Engine.ShowSQL(true) // 则会在控制台打印出生成的SQL语句
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Engine.Logger().SetLevel(log.LOG_DEBUG) //则会在控制台打印info及以上的信息
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}
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