35 lines
649 B
Go
35 lines
649 B
Go
package utils
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import (
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"strconv"
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"strings"
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)
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func FloatRoundString(in float64, place int) string {
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return Float64ToString(FloatRound(in, place))
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}
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func FloatRound(in float64, place int) float64 {
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// 限制 place 范围在合理区间
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if place < 0 {
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place = 0
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}
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// 使用 strconv.FormatFloat 直接格式化，避免多次条件判断
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str := strconv.FormatFloat(in, 'f', place, 64)
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num, _ := strconv.ParseFloat(str, 64)
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return num
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}
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func RateToFloat64(s string) float64 {
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// 去掉百分号
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s = strings.TrimSuffix(s, "%")
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// 转换为 float64
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f, err := strconv.ParseFloat(s, 64)
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if err != nil {
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return 0
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}
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return f / 100
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}
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