136 lines
2.5 KiB
Go
136 lines
2.5 KiB
Go
package config
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import (
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"errors"
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"fmt"
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"github.com/spf13/viper"
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"regexp"
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"strconv"
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"strings"
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"time"
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)
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var DefaultConfig = &Config{}
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type (
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Config struct {
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Systems []System `json:"System" mapstructure:"System"`
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}
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System struct {
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Name string
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Db string
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Jobs []Job
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}
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Job struct {
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Name string
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Tasks []Task
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File string
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Size int //文件最大行数
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}
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Task struct {
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PK string `mapstructure:"pk"`
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Sql string
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Timestamp bool
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Elt string
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Order string
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}
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)
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func (c Config) GetSystem(name string) (System, error) {
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for _, s := range c.Systems {
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if s.Name == name {
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return s, nil
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}
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}
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return System{}, errors.New("没有找到相关配置:" + name)
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}
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func (s System) GetJob(name string) (Job, error) {
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for _, j := range s.Jobs {
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if j.Name == name {
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return j, nil
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}
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}
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return Job{}, errors.New("没有找到相关配置:" + name)
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}
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func (t Task) GetSql(params map[string]interface{}) string {
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sql := t.Sql
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m := regexp.MustCompile("({[a-zA-Z0-9]+})")
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if strings.Trim(t.Elt, " ") != "" {
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wehre := m.ReplaceAllFunc([]byte(t.Elt), func(b []byte) []byte {
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field := string(b[1 : len(b)-1])
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if val, ok := params[field]; ok {
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return []byte(t.getParam(val))
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}
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return b
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})
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sql = sql + " where " + string(wehre)
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}
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if strings.Trim(t.Order, " ") != "" {
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sql = sql + " order by " + t.Order
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}
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return sql
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}
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func (t Task) getParam(parm interface{}) string {
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switch p := parm.(type) {
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case time.Time:
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if t.Timestamp {
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return strconv.FormatInt(p.Unix(), 10)
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} else {
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return p.Format("2006-01-02 15:04:05")
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}
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case string:
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return p
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case int:
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return strconv.Itoa(p)
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case int32:
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return strconv.FormatInt(int64(p), 10)
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default:
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return fmt.Sprint(p)
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}
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}
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func LoadConfig(path string) *Config {
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var c Config
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viper.AddConfigPath(path) //设置读取的文件路径
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viper.SetConfigName("Config") //设置读取的文件名
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viper.SetConfigType("yaml") //设置文件的类型
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//尝试进行配置读取
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if err := viper.ReadInConfig(); err != nil {
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fmt.Println("请将config.yml.example拷贝为config.yaml")
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panic(err)
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}
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//v := viper.GetViper()
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//fmt.Println(v)
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if err := viper.Unmarshal(&c); err != nil {
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panic(err)
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}
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DefaultConfig = &c
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return &c
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}
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func GetJob(conf *Config, sys, job string) (Job, string, error) {
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s, err := conf.GetSystem(sys)
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if err != nil {
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return Job{}, "", err
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}
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j, err := s.GetJob(job)
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if err != nil {
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return Job{}, "", err
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}
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return j, s.Db, nil
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}
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