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package migrate
import (
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"SciencesServer/app/common/migrate"
"SciencesServer/serve/orm"
"SciencesServer/serve/orm/logic"
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"fmt"
"github.com/spf13/cobra"
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"gopkg.in/yaml.v2"
"os"
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)
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type Config struct {
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Debug bool `json:"debug" yaml:"debug"`
Mode string `json:"mode" yaml:"mode"`
MaxLifetime int `json:"max_lifetime" yaml:"max_lifetime"`
MaxOpenConns int `json:"max_open_conns" yaml:"max_open_conns"`
MaxIdleConns int `json:"max_idle_conns" yaml:"max_idle_conns"`
Engines map[string]interface{} `json:"engines" yaml:"engines"`
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}
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type Mysql struct {
Host string `yaml:"host"`
Port int `yaml:"port"`
Database string `yaml:"database"`
Username string `yaml:"username"`
Password string `yaml:"password"`
Parameters string `json:"parameters"`
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}
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type Sqlite struct {
Path string `yaml:"path"`
Name string `yaml:"name"`
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}
var (
Cmd = &cobra.Command{
Use: "init",
Short: "初始化配置",
Example: "serve init -m mysql -d sciences -u root -p 123456",
Run: func(cmd *cobra.Command, args []string) {
run()
},
}
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file string
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mode string
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_mysql = new(Mysql)
_sqlite = new(Sqlite)
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)
func init() {
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Cmd.PersistentFlags().StringVarP(&file, "file", "f", "./default_engine.yaml", "文件存储现支持yaml文件默认./default_engine.yaml")
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Cmd.PersistentFlags().StringVarP(&mode, "mode", "m", "mysql", "数据引擎支持mysql和sqlite默认mysql")
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Cmd.PersistentFlags().StringVarP(&_mysql.Host, "mysql_host", "H", "127.0.0.1", "主机名默认127.0.0.1")
Cmd.PersistentFlags().IntVarP(&_mysql.Port, "mysql_port", "P", 3306, "端口号默认为3306")
Cmd.PersistentFlags().StringVarP(&_mysql.Database, "mysql_database", "d", "", "数据库,默认为空")
Cmd.PersistentFlags().StringVarP(&_mysql.Username, "mysql_username", "u", "root", "用户名默认为root")
Cmd.PersistentFlags().StringVarP(&_mysql.Password, "mysql_password", "p", "", "密码,默认为空")
Cmd.PersistentFlags().StringVar(&_mysql.Parameters, "mysql_parameters", "charset=utf8mb4,utf8&parseTime=True&loc=Local", "附加参数")
Cmd.PersistentFlags().StringVarP(&_sqlite.Path, "sqlite_path", "a", "data", "Sqlite文件存放地址默认data")
Cmd.PersistentFlags().StringVarP(&_sqlite.Name, "sqlite_name", "n", "app.db", "Sqlite文件存放地址默认app.db")
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}
func run() {
fmt.Println("========================\n=== 初始化项目配置 ===\n========================")
// 初始化数据引擎
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engine := orm.NewInstance(
orm.WithDBMode(mode),
orm.WithMysqlOption(&logic.Mysql{
Host: _mysql.Host, Port: _mysql.Port,
Username: _mysql.Username, Password: _mysql.Password,
Database: _mysql.Database, Parameters: "charset=utf8mb4,utf8&parseTime=True&loc=Local",
}),
orm.WithSqliteOption(&logic.Sqlite{Path: _sqlite.Path, Name: _sqlite.Name}),
).Init()
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fmt.Println("========================\n=== 数据引擎创建成功 ===\n========================")
// 迁移数据
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migrate.NewInstance(migrate.WithGormDBOption(engine.Engine)).Handle()
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if err := saveFile(file, &Config{
Debug: true,
Mode: mode,
MaxLifetime: 3600,
MaxOpenConns: 2000,
MaxIdleConns: 1000,
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Engines: map[string]interface{}{
"mysql": _mysql,
"sqlite": _sqlite,
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},
}); err != nil {
fmt.Errorf("数据初始化文件错误:%v", err)
return
}
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fmt.Println("========================\n=== 数据初始化成功 ===\n========================")
}
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func saveFile(_file string, data *Config) error {
file, err := os.OpenFile(_file, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
if err != nil {
return err
}
defer file.Close()
enc := yaml.NewEncoder(file)
err = enc.Encode(data)
return err
}