10 examples of 'golang random string' in Go

67
func RandomString() string {
68
	suffix := make([]byte, randSuffixLen)
69
70
	for i := range suffix {
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		suffix[i] = letterBytes[rand.Intn(len(letterBytes))]
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	}
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	return string(suffix)
74
}

29
func GenerateRandString(length int) string {
30
	r := rand.New(rand.NewSource(time.Now().Unix()))
31
	bytes := make([]byte, length)
32
	for i := 0; i < length; i++ {
33
		b := r.Intn(26) + 65
34
		bytes[i] = byte(b)
35
	}
36
	return strings.ToLower(string(bytes))
37
}

97
func randomString() (string, error) {
98
	buf := make([]byte, 32)
99
	_, err := rand.Read(buf)
100
	if err != nil {
101
		return "", err
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	}
103
	str := base64.StdEncoding.EncodeToString(buf)
104
	return str, nil
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}

76
func RandomString(strlen int) string {
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	rand.Seed(time.Now().UTC().UnixNano())
78
	const chars = "abcdefghijklmnopqrstuvwzyz0123456789/"
79
	result := make([]byte, strlen)
80
	for i := 0; i < strlen; i++ {
81
		result[i] = chars[rand.Intn(len(chars))]
82
	}
83
	return string(result)
84
}

230
func randomString(length int) string {
231
	var rng, offset, mode int;
232
233
	str := make([]int, length);
234
	for i := 0; i < length; i++ {
235
		mode = rand.Intn(3);
236
237
		if mode == 0 {
238
			rng, offset = 26, 65
239
		} else if mode == 1 {
240
			rng, offset = 26, 97
241
		} else {
242
			rng, offset = 10, 48
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		}
244
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		str[i] = rand.Intn(rng) + offset;
246
	}
247
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	return string(str);
249
}

78
func RandomString(length int) string {
79
	src := rand.NewSource(time.Now().UnixNano())
80
	b := make([]byte, length)
81
	for i, cache, remain := length-1, src.Int63(), letterIndexMax; i >= 0; {
82
		if remain == 0 {
83
			cache, remain = src.Int63(), letterIndexMax
84
		}
85
		if idx := int(cache & letterIndexMask); idx < len(letterBytes) {
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			b[i] = letterBytes[idx]
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			i--
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		}
89
		cache >>= letterIndexBits
90
		remain--
91
	}
92
93
	return string(b)
94
}

90
func RandString(length int) string {
91
	return stringWithCharset(length, charset)
92
}

12
func randString() string {
13
	return adjectives[rand.Int()%len(adjectives)] + " " + names[rand.Int()%len(names)]
14
}

27
func randomString(l int) string {
28
	bytes := make([]byte, l)
29
	for i := 0; i < l; i++ {
30
		bytes[i] = byte(randInt(65, 90))
31
	}
32
	return string(bytes)
33
}

112
func (m *Misc) RandString(strlen int) string {
113
	codes := "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
114
	codeLen := len(codes)
115
	data := make([]byte, strlen)
116
	rand.Seed(time.Now().UnixNano() + rand.Int63() + rand.Int63() + rand.Int63() + rand.Int63())
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	for i := 0; i < strlen; i++ {
118
		idx := rand.Intn(codeLen)
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		data[i] = byte(codes[idx])
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	}
121
	return string(data)
122
}