Door/DAL/BaseDAL.go

package DAL

import (
	"database/sql"
	"flx/Common"
	"fmt"
	"net/url"

	_ "github.com/go-sql-driver/mysql"
	log "github.com/sirupsen/logrus"
	_ "kingbase.com/gokb"
)

var cdb *sql.DB

// /connect the database
func DBConnect() (*sql.DB, error) {

	defer func() {
		if r := recover(); r != nil {
			log.Error("DBConnect:", r)
		}
	}()

	cfig := Common.LoadConfig()

	// connStr := "host=" + cfig.Kingbase.IP + " user=" + cfig.Kingbase.Username + " password=" + cfig.Kingbase.Password + " dbname=" + cfig.Kingbase.Name + " sslmode=disable"
	password := url.QueryEscape(cfig.Kingbase.Password)
	connStr := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=utf8mb4&parseTime=True&loc=Local&tls=skip-verify",
		cfig.Kingbase.Username,
		password,
		cfig.Kingbase.IP,
		3306, // 确保这是数值类型（如 3306）
		cfig.Kingbase.Name,
	)

	db, err := sql.Open("mysql", connStr)
	if err != nil {
		fmt.Println(err.Error())
		return nil, err
	}
	err = db.Ping()
	if err != nil {
		fmt.Println(err.Error())
		return nil, err
	}
	return db, nil
}

func ConntectDB() *sql.DB {

	defer func() {
		if r := recover(); r != nil {
			log.Error("ConntectDB:", r)
		}
	}()

	if cdb == nil {
		cdb, _ = DBConnect()
	}
	return cdb
}

// close the database connect
func CloseDB() bool {

	defer func() {
		if r := recover(); r != nil {
			log.Error("CloseDB:", r)
		}
	}()

	if cdb != nil {
		err := cdb.Close()
		if err != nil {
			fmt.Println(err.Error())
			return false
		}
		return true
	}
	return false
}

func Text() {

	defer func() {
		if r := recover(); r != nil {
			log.Error("Text:", r)
		}
	}()

	// connStr := "host=114.64.231.197 user=SYSTEM password=system dbname=dbcongress sslmode=disable"

	connStr := "host=127.0.0.1 user=SYSTEM password=system dbname=dbcongress sslmode=disable"
	db, err := sql.Open("kingbase", connStr)
	if err != nil {
		fmt.Println(err.Error())
	}
	err = db.Ping()
	if err != nil {
		fmt.Println(err.Error())
	}
	rows, err := db.Query("SELECT \"St_ID\",\"St_Name\" FROM dbcongress.t_staffinfo")
	if err != nil {
		fmt.Println(err.Error())
	}
	defer rows.Close()

	var St_ID, St_Name string
	for rows.Next() {
		err := rows.Scan(&St_ID, &St_Name)
		if err != nil {
			break
		}
		fmt.Println(St_ID, St_Name)
	}

	db.Close()
}