37 lines
917 B
Go
37 lines
917 B
Go
package utils
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import (
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"case-api/config"
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"math/rand"
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"strings"
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"time"
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)
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// RemoveOssDomain 去除oss地址中的前缀
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func RemoveOssDomain(url string) string {
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if url != "" {
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url = strings.Replace(url, config.C.Oss.OssCustomDomainName, "", 1)
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}
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return url
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}
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// AddOssDomain 增加oss地址中的前缀
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func AddOssDomain(url string) string {
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if url == "" {
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return ""
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}
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return config.C.Oss.OssCustomDomainName + url
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}
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// GenerateRandomString 生成随机字母字符串
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func GenerateRandomString(n int) string {
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letters := "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
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r := rand.New(rand.NewSource(time.Now().UnixNano())) // 设置随机数种子
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b := make([]byte, n) // 创建长度为 n 的字节切片
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for i := range b {
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b[i] = letters[r.Intn(len(letters))] // 从字母列表中随机选择字符
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}
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return string(b) // 转换为字符串返回
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}
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