This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.
package gomysql
import (
"fmt"
"gorm.io/driver/mysql"
"gorm.io/gorm"
"log"
"time"
)
type App struct {
Db *gorm.DB
Dns string // 地址
}
func (app *App) InitClient() {
log.Printf("gomysql：%+v\n", app)
var err error
app.Db, err = gorm.Open(mysql.Open(app.Dns), &gorm.Config{})
if err != nil {
panic(fmt.Sprintf("连接数据库失败：%v", err))
sqlDB, err := app.Db.DB()
panic(fmt.Sprintf("连接数据库服务器失败：%v", err))
sqlDB.SetMaxIdleConns(10) // 设置空闲连接池中连接的最大数量
sqlDB.SetMaxOpenConns(100) // 设置打开数据库连接的最大数量。
sqlDB.SetConnMaxLifetime(time.Second * 600) // 设置了连接可复用的最大时间。
