129 lines
3.7 KiB
V
129 lines
3.7 KiB
V
import hono
|
|
import net.http
|
|
import os
|
|
import time
|
|
import strings
|
|
|
|
fn main() {
|
|
println('=== 字符串拼接优化测试 ===')
|
|
|
|
// 测试1: 简单JSON构建性能
|
|
test_json_building()
|
|
|
|
// 测试2: 大量字符串拼接性能
|
|
test_large_string_concatenation()
|
|
|
|
// 测试3: 路由路径构建性能
|
|
test_path_building()
|
|
|
|
println('✅ 所有字符串优化测试完成')
|
|
}
|
|
|
|
fn test_json_building() {
|
|
println('\n📊 测试JSON构建性能...')
|
|
|
|
// 测试数据
|
|
test_data := {
|
|
'action': 'test_action'
|
|
'id': '12345'
|
|
'path': '/api/test'
|
|
'url': 'http://localhost:8080/api/test'
|
|
}
|
|
|
|
// 方法1: 使用字符串插值（优化后）
|
|
start_time := time.now()
|
|
for i in 0 .. 10000 {
|
|
_ := '{"message": "测试", "params": {"action": "${test_data['action']}", "id": "${test_data['id']}"}}'
|
|
}
|
|
interpolation_time := time.since(start_time)
|
|
|
|
// 方法2: 使用StringBuilder（复杂场景）
|
|
start_time2 := time.now()
|
|
for i in 0 .. 10000 {
|
|
mut builder := strings.new_builder(256)
|
|
builder.write_string('{"message": "测试", "params": {"action": "')
|
|
builder.write_string(test_data['action'])
|
|
builder.write_string('", "id": "')
|
|
builder.write_string(test_data['id'])
|
|
builder.write_string('"}}')
|
|
_ := builder.str()
|
|
}
|
|
builder_time := time.since(start_time2)
|
|
|
|
println(' 字符串插值方法: ${interpolation_time}')
|
|
println(' StringBuilder方法: ${builder_time}')
|
|
|
|
if interpolation_time < builder_time {
|
|
println(' ✅ 字符串插值更快 (简单场景)')
|
|
} else {
|
|
println(' ✅ StringBuilder更快 (复杂场景)')
|
|
}
|
|
}
|
|
|
|
fn test_large_string_concatenation() {
|
|
println('\n📊 测试大量字符串拼接性能...')
|
|
|
|
// 方法1: 使用StringBuilder（优化后）
|
|
start_time := time.now()
|
|
mut content := strings.new_builder(1024 * 1024)
|
|
for i in 0 .. 10000 {
|
|
content.write_string('Line ${i:05d}: This is a test line with some content.\n')
|
|
}
|
|
result1 := content.str()
|
|
builder_time := time.since(start_time)
|
|
|
|
// 方法2: 传统字符串拼接（对比）
|
|
start_time2 := time.now()
|
|
mut content2 := ''
|
|
for i in 0 .. 1000 { // 减少次数避免过慢
|
|
content2 += 'Line ${i:05d}: This is a test line with some content.\n'
|
|
}
|
|
concat_time := time.since(start_time2)
|
|
|
|
println(' StringBuilder方法 (10000行): ${builder_time}')
|
|
println(' 传统拼接方法 (1000行): ${concat_time}')
|
|
println(' StringBuilder结果长度: ${result1.len}')
|
|
println(' 传统拼接结果长度: ${content2.len}')
|
|
|
|
// 计算性能提升
|
|
if builder_time.milliseconds() > 0 && concat_time.milliseconds() > 0 {
|
|
// 标准化到相同的操作数量进行比较
|
|
normalized_concat_time := concat_time.milliseconds() * 10 // 1000 -> 10000
|
|
improvement := f64(normalized_concat_time) / f64(builder_time.milliseconds())
|
|
println(' ✅ StringBuilder性能提升约: ${improvement:.1f}x')
|
|
}
|
|
}
|
|
|
|
fn test_path_building() {
|
|
println('\n📊 测试路径构建性能...')
|
|
|
|
base_paths := ['/api', '/users', '/posts', '/comments']
|
|
segments := ['123', 'test', 'data', 'info']
|
|
|
|
// 方法1: 使用字符串插值（优化后）
|
|
start_time := time.now()
|
|
for i in 0 .. 10000 {
|
|
base := base_paths[i % base_paths.len]
|
|
segment := segments[i % segments.len]
|
|
_ := '${base}/${segment}'
|
|
}
|
|
interpolation_time := time.since(start_time)
|
|
|
|
// 方法2: 传统字符串拼接（对比）
|
|
start_time2 := time.now()
|
|
for i in 0 .. 10000 {
|
|
base := base_paths[i % base_paths.len]
|
|
segment := segments[i % segments.len]
|
|
_ := base + '/' + segment
|
|
}
|
|
concat_time := time.since(start_time2)
|
|
|
|
println(' 字符串插值方法: ${interpolation_time}')
|
|
println(' 传统拼接方法: ${concat_time}')
|
|
|
|
if interpolation_time < concat_time {
|
|
println(' ✅ 字符串插值更快')
|
|
} else {
|
|
println(' ✅ 传统拼接更快')
|
|
}
|
|
} |