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24 lines
594 B
Go
24 lines
594 B
Go
9 months ago
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package mydb
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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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)
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type ManageDb struct {
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Name string
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Db *sql.DB
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}
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func NewDatabase(dbName, user, password, host string, port int) (*ManageDb, error) {
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dsn := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s", user, password, host, port, dbName)
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db, err := sql.Open("mysql", dsn)
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db.SetConnMaxLifetime(time.Minute * 5) // 连接最大生命周期
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db.SetMaxOpenConns(50) // 最大连接数
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db.SetMaxIdleConns(10) // 最大空闲连接数
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if err != nil {
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return nil, err
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}
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return &ManageDb{Name: dbName, Db: db}, nil
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}
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