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utils.go
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/
utils.go
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// Created by @menduo @ 2020/6/19
package exsoul
import (
"strconv"
"strings"
"time"
)
// isEmptyStrList 是不是一个空的字符串列表,如果列表为空,或者每个值 trim 后都是空字符串。
func isEmptyStrList(row []string) bool {
var isEmpty = true
if len(row) == 0 {
return true
}
for _, s := range row {
if strings.Trim(s, " ") != "" {
isEmpty = false // 只要有一行不为空,就认为它是不是一个 空 行
return isEmpty
}
}
return isEmpty
}
// getStrFromArray 从数组中获取值
func getStrFromArray(row []string, idx int) string {
if len(row) < idx+1 {
return ""
}
return row[idx]
}
// validateMonth 验证 month 字符串
func validateMonth(s string, layouts ...string) (time.Time, error) {
var layout = "2006-01"
if len(layouts) > 0 {
layout = layouts[0]
}
t, err := time.ParseInLocation(layout, s, time.Local)
return t, err
}
// validateDate 验证日期字符串
func validateDate(s string, layouts ...string) (time.Time, error) {
var layout = "2006-01-02"
if len(layouts) > 0 {
layout = layouts[0]
}
t, err := time.ParseInLocation(layout, s, time.Local)
return t, err
}
func toInt(val string) (rval int, err error) {
val = strings.TrimSpace(val)
rval, err = strconv.Atoi(val)
return rval, err
}
func toInt32(val string) (rval int32, err error) {
val = strings.TrimSpace(val)
tempVal, err := strconv.ParseInt(val, 10, 32)
if err != nil {
return
}
rval = int32(tempVal)
return rval, err
}
func toInt64(val string) (rval int64, err error) {
val = strings.TrimSpace(val)
rval, err = strconv.ParseInt(val, 10, 64)
return rval, err
}
func toFloat32(pval string) (rval float32, err error) {
pval = strings.TrimSpace(pval)
rval64, err := strconv.ParseFloat(pval, 32)
if err != nil {
return
}
rval = float32(rval64)
return rval, err
}
func toFloat64(pval string) (rval float64, err error) {
pval = strings.TrimSpace(pval)
rval, err = strconv.ParseFloat(pval, 64)
return rval, err
}