68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
package main
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import (
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"fmt"
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"math/rand"
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"os"
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"path/filepath"
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"time"
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)
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// 生成指定大小的随机字节数据
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func generateRandomData(size int64) []byte {
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data := make([]byte, size)
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_, err := rand.Read(data)
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if err != nil {
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panic(err)
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}
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return data
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}
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// 生成假文件
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func generateFakeFiles() {
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// 确保输出目录存在
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outputDir := "fake_files"
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err := os.MkdirAll(outputDir, 0755)
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if err != nil {
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panic(err)
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}
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// 定义要生成的文件类型和大小
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fileTypes := []string{".apk", ".ipa", ".zip", ".txt", ".pdf"}
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fileSizes := []int64{
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1024, // 1KB
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1024 * 1024, // 1MB
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5 * 1024 * 1024, // 5MB
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}
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// 生成文件
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for i, size := range fileSizes {
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for _, ext := range fileTypes {
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filename := fmt.Sprintf("fake_file_%d_%d%s", i, len(ext), ext)
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filepath := filepath.Join(outputDir, filename)
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data := generateRandomData(size)
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err := os.WriteFile(filepath, data, 0644)
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if err != nil {
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panic(err)
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}
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fmt.Printf("Generated %s (%d bytes)\n", filepath, size)
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}
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}
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// 生成一个空文件
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emptyFile := filepath.Join(outputDir, "empty.txt")
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err = os.WriteFile(emptyFile, []byte{}, 0644)
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if err != nil {
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panic(err)
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}
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fmt.Printf("Generated %s (0 bytes)\n", emptyFile)
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}
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func main() {
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// 初始化随机数生成器
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rand.Seed(time.Now().UnixNano())
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fmt.Println("Generating fake files...")
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generateFakeFiles()
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fmt.Println("Fake files generated successfully!")
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} |