根据需要进行调整,配置单独保存在配置文件中,需要的包 在import中下载即可
package util import ( "database/sql" "fmt" _ "github.com/go-sql-driver/mysql" "github.com/robfig/config" ) var ( DB_NAME, DB_USER, DB_PASS, DB_HOST, DB_PORT string ) func init() { c, _ := config.ReadDefault("config/config.ini") DB_USER, _ = c.String("DB", "DB_USER") DB_PASS, _ = c.String("DB", "DB_PASS") DB_HOST, _ = c.String("DB", "DB_HOST") DB_NAME, _ = c.String("DB", "DB_NAME") DB_PORT, _ = c.String("DB", "DB_PORT") fmt.Println("\n当前服务器IP及端口为:", DB_HOST, DB_PORT, DB_USER, DB_PASS, DB_NAME) } func GetDbConnetion() (db *sql.DB, errstr error) { db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8", DB_USER, DB_PASS, DB_HOST, DB_PORT, DB_NAME)) if err != nil { fmt.Println("\nconnection mysql error") return db, err } //defer db.Close() db.SetMaxOpenConns(2000) db.SetMaxIdleConns(1000) err = db.Ping() if err != nil { fmt.Println("\nopen mysql error ", err) return db, err } return db, nil }
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