beancount-gs/script/utils.go

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package script
import (
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"bytes"
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"golang.org/x/text/encoding/simplifiedchinese"
"golang.org/x/text/transform"
"io/ioutil"
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"math/rand"
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"net"
"os/exec"
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"time"
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)
func checkCommandExists(command string) bool {
cmd := exec.Command(command, "--version")
_, err := cmd.Output()
return err == nil
}
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func GetIpAddress() string {
addrs, _ := net.InterfaceAddrs()
for _, value := range addrs {
if ipnet, ok := value.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
if ipnet.IP.To4() != nil {
return ipnet.IP.String()
}
}
}
return ""
}
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const char = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
func RandChar(size int) string {
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source := rand.NewSource(time.Now().UnixNano()) // 产生随机种子
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var s bytes.Buffer
for i := 0; i < size; i++ {
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s.WriteByte(char[source.Int63()%int64(len(char))])
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}
return s.String()
}
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type Timestamp int64
const time_layout string = "2006-01-02 15:04:05"
// 日期字符串转为时间戳 工具函数
func getTimeStamp(str_date string) Timestamp {
if len(str_date) == 10 {
str_date = str_date + " 00:00:00"
}
// 获取时区
loc, err := time.LoadLocation("Local")
if err != nil {
return 0
}
// 转换为时间戳
the_time, err := time.ParseInLocation(time_layout, str_date, loc)
if err != nil {
return 0
}
// 返回时间戳
return Timestamp(the_time.Unix())
}
// 获取1到2个日期字符串中更大的日期
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func getMaxDate(str_date1 string, str_date2 string) string {
var max_date string
if str_date1 != "" && str_date2 == "" {
// 只定义了第一个账户,取第一个账户的日期为准
max_date = str_date1
} else if str_date1 == "" && str_date2 != "" {
// 只定义了第二个账户,取第二个账户的日期为准
max_date = str_date2
} else if str_date1 != "" && str_date2 != "" {
// 重复定义的账户,取最晚的时间为准
t1 := getTimeStamp(str_date1)
t2 := getTimeStamp(str_date2)
if t1 > t2 {
max_date = str_date1
} else {
max_date = str_date2
}
} else if str_date1 == "" && str_date2 == "" {
// 没有定义账户,取当前日期为准
max_date = time.Now().Format(time_layout)
}
return max_date
}
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// ConvertGBKToUTF8 将 GBK 编码的字符串转换为 UTF-8 编码
func ConvertGBKToUTF8(gbkStr string) (string, error) {
if !isWindows() {
return gbkStr, nil
}
// 创建一个 GBK 到 UTF-8 的转换器
reader := transform.NewReader(bytes.NewReader([]byte(gbkStr)), simplifiedchinese.GBK.NewDecoder())
// 将转换后的内容读出为 UTF-8 字符串
utf8Bytes, err := ioutil.ReadAll(reader)
if err != nil {
return "", err
}
return string(utf8Bytes), nil
}
func GetMonth(date string) (string, error) {
// 解析日期字符串
parsedDate, err := time.Parse("2006-01-02", date)
if err != nil {
return "", err
}
// 格式化日期为 "YYYY-MM" 格式
formattedDate := parsedDate.Format("2006-01")
return formattedDate, nil
}