dt_automate/dbpool/mysqldb.go

package dbpool

import (
	"database/sql"
	"dt_automate/conf"
	"dt_automate/tool"
	"log"

	_ "github.com/go-sql-driver/mysql"
)

var db *sql.DB

func init() {
	db, _ = sql.Open("mysql", tool.KeyStr(conf.GET_Config_yaml("mysql.root").(string))+":"+tool.KeyStr(conf.GET_Config_yaml("mysql.password").(string))+"@tcp(fanyu.online:53306)/?charset=utf8&parseTime=True&loc=Local")
	db.SetMaxOpenConns(20)
	db.SetMaxIdleConns(10)
	// DB.SetConnMaxLifetime(100)
	err := db.Ping()
	if err != nil {
		log.Println("database init failed, err: ", err)
		return
	}
	log.Println("mysql conn pool has initiated.")
}

// QueryRows 是一个通用的查询函数，它执行SQL查询并返回结果集
func QueryRows(query string, args ...any) (*sql.Rows, error) {

	rows, err := db.Query(query, args...)
	if err != nil {
		return nil, err
	}

	return rows, nil
}

// ExecuteSQL 是一个通用的插入函数，它执行SQL插入并返回结果集
func ExecuteSQL(query string, args ...any) (sql.Result, error) {

	result, err := db.Exec(query, args...)
	if err != nil {
		return nil, err
	}

	return result, nil
}

type Douy_info struct {
	Mobile_phone_number sql.NullString
	SerialNumber        sql.NullString
	Username            sql.NullString
	Initial_time        sql.NullString
	End_time            sql.NullString
	Surplus_time        sql.NullString
	Key                 sql.NullString
	Status              sql.NullString
}