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51 lines
1.0 KiB
51 lines
1.0 KiB
2 months ago
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package service
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import (
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"context"
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"math/rand"
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pb "verifyCode/api/verifyCode"
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)
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type VerifyCodeService struct {
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pb.UnimplementedVerifyCodeServer
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}
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// 构造器
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func NewVerifyCodeService() *VerifyCodeService {
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return &VerifyCodeService{}
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}
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func (s *VerifyCodeService) GetVerifyCode(ctx context.Context, req *pb.GetVerifyCodeRequest) (*pb.GetVerifyCodeReply, error) {
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return &pb.GetVerifyCodeReply{
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Code: RandCode(int(req.Length), req.Type),
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}, nil
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}
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func RandCode(l int, r pb.TYPE) string {
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switch r {
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case pb.TYPE_DEFAULT:
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fallthrough
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case pb.TYPE_DIGIT:
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return randcode("0123456789", l)
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case pb.TYPE_LETTRE:
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return randcode("abcdefghigklmnopqrstuvwxyz", l)
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case pb.TYPE_MIXED:
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return randcode("0123456789abcdefghigklmnopqrstuvwxyz", l)
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default:
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}
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return ""
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}
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// 随机的核心方法
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func randcode(chars string, l int) string {
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charsLen := len(chars)
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result := make([]byte, l)
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for i := 0; i < l; i++ {
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randIndex := rand.Intn(charsLen)
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result[i] = chars[randIndex]
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}
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return string(result)
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}
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