#2
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```go
package config
import "strings"
type doc struct {
value string
sub map[string]doc
}
var root = new(doc)
func Add(key string, value string) {
keys := strings.Split(key, ".")
var target = root
for index, subkey := range keys {
if target.sub == nil {
target.sub = make(map[string]doc)
target.sub[subkey] = doc{}
}
if index == len(keys)-1 {
target.sub[subkey].value = value
} else {
target = target.sub[subkey]
}
}
}
func Get(key string) string {
keys := strings.Split(key, ".")
target := root
for index, subkey := range keys {
target = target.sub[subkey]
if index == len(keys)-1 {
return target.value
}
}
return ""
}
```
#1
今日阅读排行
一周阅读排行