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49
pkg/utility/stringhelper_test.go
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49
pkg/utility/stringhelper_test.go
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package utility
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import (
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"fmt"
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"math/rand"
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"strconv"
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"testing"
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)
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func Test_(t *testing.T) {
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// t.Log(decimal.NewFromFloat(0))
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t.Log(strconv.FormatFloat(1.04, 'f', 1, 64))
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t.Log(strconv.FormatFloat(1.05, 'f', 1, 64))
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t.Log(strconv.FormatFloat(1.06, 'f', 1, 64))
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t.Log(strconv.FormatFloat(1.006, 'f', 2, 64))
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// t.Log(strconv.FormatFloat(`1.006`, 64))
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}
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// i := int64(32)
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// s := strconv.FormatInt(i, 16)
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// println(s)
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// 对比下 Float64ToString 和 FloatCutStr 的效率
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// go test -bench=_QE_ -benchmem
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// -benchtime 默认为1秒 -benchmem 获得内存分配的统计数据
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func Benchmark_QE_1(b *testing.B) {
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for i := 0; i < b.N; i++ {
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Float64ToString(getRandData(), 2)
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}
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}
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func Benchmark_QE_2(b *testing.B) {
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for i := 0; i < b.N; i++ {
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FloatCutStr(getRandData(), 2) // 已废弃
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}
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}
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func getRandData() float64 {
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return float64(rand.Intn(1000000)) / 1000
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}
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func TestTrimHtml(t *testing.T) {
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a := `sff` // `<script>alert('ab')</script>`
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x := TrimHtml(a)
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fmt.Print(x)
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}
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// Benchmark_QE_1-6 4902826 243.3 ns/op 31 B/op 2 allocs/op
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// Benchmark_QE_2-6 1275004 940.6 ns/op 137 B/op 11 allocs/op
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// 故此将优先使用 Float64ToString 并将已使用的 FloatCutStr 进行替换
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