fb44c8bf03
包含Go API项目的所有源代码、配置文件、Docker配置、文档和前端资源 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
98 lines
1.8 KiB
Go
98 lines
1.8 KiB
Go
package common
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import (
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"encoding/base64"
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"encoding/json"
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"math/rand"
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"strconv"
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"unsafe"
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)
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func GetStringIfEmpty(str string, defaultValue string) string {
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if str == "" {
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return defaultValue
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}
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return str
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}
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func GetRandomString(length int) string {
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//rand.Seed(time.Now().UnixNano())
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key := make([]byte, length)
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for i := 0; i < length; i++ {
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key[i] = keyChars[rand.Intn(len(keyChars))]
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}
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return string(key)
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}
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func MapToJsonStr(m map[string]interface{}) string {
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bytes, err := json.Marshal(m)
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if err != nil {
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return ""
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}
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return string(bytes)
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}
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func StrToMap(str string) (map[string]interface{}, error) {
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m := make(map[string]interface{})
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err := Unmarshal([]byte(str), &m)
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if err != nil {
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return nil, err
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}
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return m, nil
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}
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func StrToJsonArray(str string) ([]interface{}, error) {
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var js []interface{}
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err := json.Unmarshal([]byte(str), &js)
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if err != nil {
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return nil, err
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}
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return js, nil
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}
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func IsJsonArray(str string) bool {
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var js []interface{}
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return json.Unmarshal([]byte(str), &js) == nil
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}
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func IsJsonObject(str string) bool {
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var js map[string]interface{}
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return json.Unmarshal([]byte(str), &js) == nil
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}
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func String2Int(str string) int {
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num, err := strconv.Atoi(str)
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if err != nil {
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return 0
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}
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return num
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}
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func StringsContains(strs []string, str string) bool {
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for _, s := range strs {
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if s == 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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// StringToByteSlice []byte only read, panic on append
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func StringToByteSlice(s string) []byte {
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tmp1 := (*[2]uintptr)(unsafe.Pointer(&s))
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tmp2 := [3]uintptr{tmp1[0], tmp1[1], tmp1[1]}
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return *(*[]byte)(unsafe.Pointer(&tmp2))
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}
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func EncodeBase64(str string) string {
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return base64.StdEncoding.EncodeToString([]byte(str))
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}
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func GetJsonString(data any) string {
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if data == nil {
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return ""
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}
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b, _ := json.Marshal(data)
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return string(b)
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}
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