mirror of https://github.com/ouqiang/gocron
89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
package models
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import (
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"fmt"
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_ "github.com/go-sql-driver/mysql"
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"github.com/go-xorm/core"
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"github.com/go-xorm/xorm"
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"gopkg.in/macaron.v1"
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"strings"
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"time"
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)
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type Status int8
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type CommonMap map[string]interface{}
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var Db *xorm.Engine
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const (
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Disabled Status = 0 // 禁用
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Failure Status = 0 // 失败
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Enabled Status = 1 // 启用
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Running Status = 1 // 运行中
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Finish Status = 2 // 完成
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)
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const (
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Page = 1 // 当前页数
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PageSize = 20 // 每页多少条数据
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MaxPageSize = 100000 // 每次最多取多少条
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)
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const DefaultTimeFormat = "2006-01-02 15:04:05"
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// 创建Db
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func CreateDb(config map[string]string) *xorm.Engine {
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dsn := getDbEngineDSN(config["engine"], config)
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engine, err := xorm.NewEngine(config["engine"], dsn)
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if err != nil {
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panic(err)
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}
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if config["prefix"] != "" {
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// 设置表前缀
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mapper := core.NewPrefixMapper(core.SnakeMapper{}, config["prefix"])
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engine.SetTableMapper(mapper)
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}
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// 本地环境开启日志
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if macaron.Env == macaron.DEV {
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engine.ShowSQL(true)
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engine.Logger().SetLevel(core.LOG_DEBUG)
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}
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go keepDbAlived(engine)
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return engine
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}
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// 创建临时数据库连接
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func CreateTmpDb(config map[string]string) (*xorm.Engine, error) {
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dsn := getDbEngineDSN(config["engine"], config)
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return xorm.NewEngine(config["engine"], dsn)
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}
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// 获取数据库引擎DSN mysql,sqlite
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func getDbEngineDSN(engine string, config map[string]string) string {
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engine = strings.ToLower(engine)
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var dsn string = ""
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switch engine {
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case "mysql":
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dsn = fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=%s",
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config["user"],
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config["password"],
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config["host"],
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config["port"],
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config["database"],
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config["charset"])
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}
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return dsn
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}
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// 定时ping, 防止因数据库超时设置被断开
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func keepDbAlived(engine *xorm.Engine) {
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t := time.Tick(180 * time.Second)
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for {
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<- t
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engine.Ping()
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}
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} |