package main

import (
	"fmt"
	"strconv"
	"time"
)

func main() {
	const loopCount = 10000000 // 1000万次循环，模拟高频场景

	// 一、整数→字符串
	// 1. fmt.Sprintf整数转字符串
	fmtStart := time.Now()
	for i := 0; i < loopCount; i++ {
		_ = fmt.Sprintf("%d", i)
	}
	fmt.Printf("整数→字符串 fmt.Sprintf耗时：%v\n", time.Since(fmtStart))

	// 2. strconv.Itoa整数转字符串
	strconvStart := time.Now()
	for i := 0; i < loopCount; i++ {
		_ = strconv.Itoa(i)
	}
	fmt.Printf("整数→字符串 strconv.Itoa耗时：%v\n", time.Since(strconvStart))

	// 二、浮点数→字符串
	// 1. fmt.Sprintf浮点数转字符串
	fmtStart2 := time.Now()
	for i := 0; i < loopCount; i++ {
		_ = fmt.Sprintf("%.2f", 3.14)
	}
	fmt.Printf("浮点数→字符串 fmt.Sprintf耗时：%v\n", time.Since(fmtStart2))

	// 2. strconv.FormatFloat浮点数转字符串
	strconvStart2 := time.Now()
	for i := 0; i < loopCount; i++ {
		_ = strconv.FormatFloat(3.14, 'f', 2, 64)
	}
	fmt.Printf("浮点数→字符串 strconv.FormatFloat耗时：%v\n", time.Since(strconvStart2))

	// 三、布尔值→字符串
	// 1. fmt.Sprintf布尔值转字符串
	strconvStart3 := time.Now()
	for i := 0; i < loopCount; i++ {
		_ = fmt.Sprintf("%t", true)
	}
	fmt.Printf("布尔值→字符串 fmt.Sprintf耗时：%v\n", time.Since(strconvStart3))

	// 2. fmt.FormatBool布尔值转字符串
	fmtStart3 := time.Now()
	for i := 0; i < loopCount; i++ {
		_ = strconv.FormatBool(true)
	}
	fmt.Printf("布尔值→字符串 strconv.FormatBool耗时：%v\n", time.Since(fmtStart3))

}