fonchain-artistinfo/pkg/db/init.go

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package model
import (
"fmt"
"strings"
"time"
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"github.com/fonchain/fonchain-artistinfo/cmd/model"
"github.com/fonchain/fonchain-artistinfo/pkg/m"
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"github.com/gin-gonic/gin"
"gopkg.in/ini.v1"
"gorm.io/driver/mysql"
"gorm.io/gorm"
"gorm.io/gorm/logger"
"gorm.io/gorm/schema"
)
var DB *gorm.DB
var (
Db string
DbHost string
DbPort string
DbUser string
DbPassWord string
DbLogName string
)
func Init(confPath string) {
//从本地读取环境变量
file, err := ini.Load(confPath)
if err != nil {
fmt.Println(m.ERROR_SERVER, err)
}
//加载数据库配置
LoadMysqlData(file)
//MySQL数据库
path := strings.Join([]string{DbUser, ":", DbPassWord, "@tcp(", DbHost, ":", DbPort, ")/", DbLogName, "?charset=utf8&parseTime=true"}, "")
//连接数据库
Database(path)
migration() //迁移表 如果需要就打开使用
}
func LoadMysqlData(file *ini.File) {
Db = file.Section("mysql").Key("Db").String()
DbHost = file.Section("mysql").Key("DbHost").String()
DbPort = file.Section("mysql").Key("DbPort").String()
DbUser = file.Section("mysql").Key("DbUser").String()
DbPassWord = file.Section("mysql").Key("DbPassWord").String()
DbLogName = file.Section("mysql").Key("DbName").String()
}
func Database(conn string) {
var ormLogger logger.Interface
if gin.Mode() == "debug" {
ormLogger = logger.Default.LogMode(logger.Info)
} else {
ormLogger = logger.Default
}
db, err := gorm.Open(mysql.New(mysql.Config{
DSN: conn, // DSN data source name
DefaultStringSize: 256, // string 类型字段的默认长度
DisableDatetimePrecision: true, // 禁用 datetime 精度MySQL 5.6 之前的数据库不支持
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
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
SkipInitializeWithVersion: false, // 根据版本自动配置
}), &gorm.Config{
Logger: ormLogger,
NamingStrategy: schema.NamingStrategy{
SingularTable: true,
},
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DisableForeignKeyConstraintWhenMigrating: true, //表结构迁移时禁用外键约束(不会添加外键关联)
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})
sqlDB, _ := db.DB()
sqlDB.SetMaxIdleConns(20) //设置连接池,空闲
sqlDB.SetMaxOpenConns(100) //打开
sqlDB.SetConnMaxLifetime(time.Second * 30)
DB = db
if err != nil {
panic(err)
}
}
func migration() {
//自迁移模式
err := DB.AutoMigrate(
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&model.Bank{},
&model.RealName{},
&model.User{},
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&model.Invite{},
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&model.Artwork{},
&model.Contract{},
&model.SupplyInfo{},
&model.ExhVideo{},
&model.ExhExam{},
&model.ArtistInfo{},
&model.UserInvited{},
&model.ArtworkState{},
&model.ArtworkBatch{},
)
if err != nil {
fmt.Println("register table fail")
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//os.Exit(0)
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}
fmt.Println("register table success")
}