96 lines
2.6 KiB
Go
96 lines
2.6 KiB
Go
package db
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import (
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"fmt"
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"fonchain-artshow/cmd/model"
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"fonchain-artshow/pkg/m"
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"os"
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"strings"
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"time"
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"github.com/gin-gonic/gin"
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"gopkg.in/ini.v1"
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"gorm.io/driver/mysql"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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"gorm.io/gorm/schema"
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)
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var DbArtShow *gorm.DB
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var (
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Db string
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DbHost string
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DbPort string
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DbUser string
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DbPassWord string
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DbName string
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)
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func Init(confPath string) {
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//从本地读取环境变量
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file, err := ini.Load(confPath)
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if err != nil {
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fmt.Println(m.ERROR_SERVER, err)
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}
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//加载数据库配置
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LoadMysqlData(file)
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//MySQL数据库
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path := strings.Join([]string{DbUser, ":", DbPassWord, "@tcp(", DbHost, ":", DbPort, ")/", DbName, "?charset=utf8&parseTime=true&loc=Local"}, "")
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//连接数据库
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Database(path)
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//migration() //迁移表 按需打开
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}
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func LoadMysqlData(file *ini.File) {
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Db = file.Section("mysql").Key("Db").String()
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DbHost = file.Section("mysql").Key("DbHost").String()
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DbPort = file.Section("mysql").Key("DbPort").String()
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DbUser = file.Section("mysql").Key("DbUser").String()
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DbPassWord = file.Section("mysql").Key("DbPassWord").String()
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DbName = file.Section("mysql").Key("DbName").String()
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}
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func Database(conn string) {
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var ormLogger logger.Interface
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if gin.Mode() == "debug" {
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ormLogger = logger.Default.LogMode(logger.Info)
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} else {
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ormLogger = logger.Default
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}
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db, err := gorm.Open(mysql.New(mysql.Config{
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DSN: conn, // DSN data source name
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DefaultStringSize: 256, // string 类型字段的默认长度
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DisableDatetimePrecision: true, // 禁用 datetime 精度，MySQL 5.6 之前的数据库不支持
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DontSupportRenameIndex: true, // 重命名索引时采用删除并新建的方式，MySQL 5.7 之前的数据库和 MariaDB 不支持重命名索引
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DontSupportRenameColumn: true, // 用 `change` 重命名列，MySQL 8 之前的数据库和 MariaDB 不支持重命名列
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SkipInitializeWithVersion: false, // 根据版本自动配置
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}), &gorm.Config{
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Logger: ormLogger,
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NamingStrategy: schema.NamingStrategy{
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SingularTable: true,
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},
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})
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sqlDB, _ := db.DB()
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sqlDB.SetMaxIdleConns(20) //设置连接池，空闲
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sqlDB.SetMaxOpenConns(100) //打开
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sqlDB.SetConnMaxLifetime(time.Second * 30)
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DbArtShow = db
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if err != nil {
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panic(err)
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}
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}
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//执行数据迁移
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func migration() {
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//自动迁移模式
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err := DbArtShow.AutoMigrate(&model.ArtShow{},
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&model.ShowApply{}, &model.ArtworkPrice{}, &model.ShowRel{})
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if err != nil {
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fmt.Println("register table fail")
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os.Exit(0)
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}
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fmt.Println("register table success")
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}
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