82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
package deviceUtil
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import (
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"strings"
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)
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// 将MAC地址转化为标准格式
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func ConvertMacToStandardFormat(mac string) string {
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if mac == "" || mac == "00:00:00:00:00:00" || mac == "02:00:00:00:00:00" {
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return ""
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}
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//如果mac的长度不为12或17，则是不正确的格式
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if len(mac) != 12 && len(mac) != 17 {
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return ""
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}
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//转化为大写
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mac = strings.ToUpper(mac)
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//如果mac地址的长度为17（已经有:），则直接返回
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if len(mac) == 17 {
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return mac
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}
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//如果没有分隔符，则添加分隔符
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newMac := make([]rune, 0, 17)
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for i, v := range []rune(mac) {
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newMac = append(newMac, v)
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if i < len(mac) - 1 && i % 2 == 1 {
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newMac = append(newMac, ':')
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}
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}
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return string(newMac)
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}
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func ConvertIdfaToStandardFormat(idfa string) string {
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//如果是空或默认值，则返回String.Empty
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if idfa == "" || idfa == "00000000-0000-0000-0000-000000000000" {
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return ""
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}
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//如果idfa的长度不为32或36，则代表是Android的数据，则可以直接返回
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if len(idfa) != 32 && len(idfa) != 36 {
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return idfa
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}
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//转化为大写
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idfa = strings.ToUpper(idfa);
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//如果idfa地址的长度为36（已经有:），则直接返回
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if len(idfa) == 36 {
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return idfa
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}
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//如果没有分隔符，则添加分隔符
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newIdfa := make([]rune, 0, 36)
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for i, v := range []rune(idfa) {
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newIdfa = append(newIdfa, v)
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if i == 7 || i == 11 || i == 15 || i == 19 {
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newIdfa = append(newIdfa, '-')
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}
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}
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return string(newIdfa)
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}
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// 根据MAC和IDFA获取唯一标识
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func GetIdentifier(mac, idfa string) string {
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mac = ConvertMacToStandardFormat(mac)
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idfa = ConvertIdfaToStandardFormat(idfa);
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//如果idfa不为空，则使用idfa，否则使用mac
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if idfa != "" {
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return idfa
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} else {
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return mac
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}
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}
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