44 lines
792 B
Go
44 lines
792 B
Go
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package modelimpl
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import (
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"fmt"
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"strings"
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)
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// 城轨uid
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type CgUid struct {
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// 城市
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city string
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// 线路
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line string
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// 设备编号
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codes []string
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// codestr
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codestr string
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// uid
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idstr string
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}
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func NewCgUid(city string, line string, codes ...string) *CgUid {
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if city == "" || line == "" {
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panic(fmt.Errorf("创建城轨uid错误: 城市、线路、车站不能为空 city=%s, line=%s", city, line))
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}
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l := len(codes)
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if l == 0 {
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panic(fmt.Errorf("创建城轨uid错误: codes不能为空"))
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}
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codestr := strings.Join(codes, "_")
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elems := []string{city, line, codestr}
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uid := strings.Join(elems, "_")
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return &CgUid{
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city: city,
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line: line,
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codes: codes,
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codestr: codestr,
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idstr: uid,
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}
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}
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func (u *CgUid) Id() string {
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return u.idstr
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}
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