mirror of
https://github.com/bjdgyc/anylink.git
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75 lines
1.1 KiB
Go
75 lines
1.1 KiB
Go
package utils
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import (
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"fmt"
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"math/rand"
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"time"
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)
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func init() {
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rand.Seed(time.Now().UnixNano())
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}
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func InArrStr(arr []string, str string) bool {
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for _, d := range arr {
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if d == str {
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return true
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}
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}
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return false
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}
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const (
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KB = 1024
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MB = 1024 * KB
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GB = 1024 * MB
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TB = 1024 * GB
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PB = 1024 * TB
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)
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func HumanByte(bf interface{}) string {
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var hb string
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var bAll float64
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switch bi := bf.(type) {
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case int:
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bAll = float64(bi)
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case int32:
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bAll = float64(bi)
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case uint32:
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bAll = float64(bi)
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case int64:
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bAll = float64(bi)
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case uint64:
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bAll = float64(bi)
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case float64:
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bAll = float64(bi)
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}
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switch {
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case bAll >= TB:
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hb = fmt.Sprintf("%0.2f TB", bAll/TB)
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case bAll >= GB:
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hb = fmt.Sprintf("%0.2f GB", bAll/GB)
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case bAll >= MB:
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hb = fmt.Sprintf("%0.2f MB", bAll/MB)
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case bAll >= KB:
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hb = fmt.Sprintf("%0.2f KB", bAll/KB)
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default:
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hb = fmt.Sprintf("%0.2f B", bAll)
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}
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return hb
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}
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func RandomRunes(length int) string {
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letterRunes := []rune("abcdefghijklmnpqrstuvwxy1234567890")
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bytes := make([]rune, length)
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for i := range bytes {
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bytes[i] = letterRunes[rand.Intn(len(letterRunes))]
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}
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return string(bytes)
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}
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