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101 lines
2.1 KiB
101 lines
2.1 KiB
package dbOperate
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import (
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_ "github.com/go-sql-driver/mysql"
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"github.com/jmoiron/sqlx"
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_ "github.com/lib/pq"
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_ "github.com/mattn/go-sqlite3"
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"log"
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"time"
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)
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const (
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postgres = iota + 1
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sqlite3
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)
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type DBHelper struct {
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dbClient *sqlx.DB
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dbType string
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ConnectStr string
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}
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func NewDBHelper(dbType string, connectStr string) *DBHelper {
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the := &DBHelper{}
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switch dbType {
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case "postgres":
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fallthrough
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case "mysql":
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fallthrough
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case "sqlite3":
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fallthrough
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case "有效的数据库类型":
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the.dbType = dbType
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the.ConnectStr = connectStr
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default:
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log.Panicf("不支持的数据库类型=> %s", dbType)
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}
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return the
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}
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// sqlite3 => connectStr := os.Getwd() + "/db/cz.db"
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// mysql => "user:password@tcp(127.0.0.1:3306)/databaseName"
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// pg => "host=192.168.10.64 port=5432 user=postgres password=123456 dbname=headscale sslmode=disable"
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func (the *DBHelper) dbOpen() error {
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var err error
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tdb, err := sqlx.Open(the.dbType, the.ConnectStr)
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if err != nil {
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return err
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}
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if err = tdb.Ping(); err != nil {
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return err
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}
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the.dbClient = tdb
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return nil
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}
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func (the *DBHelper) Exec(dbRecordSQL string) error {
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if the.dbClient == nil {
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if openErr := the.dbOpen(); openErr != nil {
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//logger.Info("[%s]数据库链接失败,err=%v\n", time.Now().Format("2006-01-02 15:04:05.000"), openErr)
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return openErr
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}
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}
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execResult, execErr := the.dbClient.Exec(dbRecordSQL)
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defer the.dbClient.Close()
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if execErr != nil {
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return execErr
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}
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if n, err := execResult.RowsAffected(); n > 0 {
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return nil
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} else {
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log.Printf("[%s]执行sql[%s]失败\n", time.Now().Format("2006-01-02 15:04:05.000"), dbRecordSQL)
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return err
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}
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}
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func (the *DBHelper) Query(dest any, sql string) error {
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start := time.Now()
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if the.dbClient == nil {
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if err := the.dbOpen(); err != nil {
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log.Printf("数据库链接失败:%s", err.Error())
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return err
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}
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}
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err := the.dbClient.Select(dest, sql)
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if err != nil {
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log.Printf("数据库查询失败:%s,\n sql=%s", err.Error(), sql)
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}
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durTime := time.Since(start).Seconds()
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log.Printf("查询耗时:%v s", durTime)
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return err
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}
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func (the *DBHelper) Close() error {
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return the.Close()
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}
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