30 lines
518 B
Go
30 lines
518 B
Go
package storage
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import (
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"database/sql"
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"fmt"
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"time"
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_ "github.com/go-sql-driver/mysql"
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)
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func NewMySQL(dsn string) (*sql.DB, error) {
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if dsn == "" {
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return nil, fmt.Errorf("mysql dsn is empty")
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}
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db, err := sql.Open("mysql", dsn)
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if err != nil {
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return nil, err
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}
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// 基本连接池配置（可后续放到配置里）
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db.SetMaxOpenConns(50)
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db.SetMaxIdleConns(10)
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db.SetConnMaxLifetime(30 * time.Minute)
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if err := db.Ping(); err != nil {
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_ = db.Close()
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return nil, err
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}
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return db, nil
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}
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