package main

import (
    "bytes"
    "compress/flate"
    "fmt"
)

func compress(data []byte) []byte {
    var buf bytes.Buffer
    w, _ := flate.NewWriter(&buf, flate.BestCompression)
    w.Write(data)
    w.Close()
    return buf.Bytes()
}
func compress(data []byte) []byte {
    var buf bytes.Buffer
    w, _ := flate.NewWriter(&buf, flate.BestCompression)
    w.Write(data)
    w.Close()
    return buf.Bytes()
}
func compress(data []byte) []byte {
    var buf bytes.Buffer
    w, _ := flate.NewWriter(&buf, flate.BestCompression)
    w.Write(data)
    w.Close()
    return buf.Bytes()
}
func compress(data []byte) []byte {
    var buf bytes.Buffer
    w, _ := flate.NewWriter(&buf, flate.BestCompression)
    w.Write(data)
    w.Close()
    return buf.Bytes()
}
func compress(data []byte) []byte {
    var buf bytes.Buffer
    w, _ := flate.NewWriter(&buf, flate.BestCompression)
    w.Write(data)
    w.Close()
    return buf.Bytes()
}func compress(data []byte) []byte {
    var buf bytes.Buffer
    w, _ := flate.NewWriter(&buf, flate.BestCompression)
    w.Write(data)
    w.Close()
    return buf.Bytes()
}func compress(data []byte) []byte {
    var buf bytes.Buffer
    w, _ := flate.NewWriter(&buf, flate.BestCompression)
    w.Write(data)
    w.Close()
    return buf.Bytes()
}func compress(data []byte) []byte {
    var buf bytes.Buffer
    w, _ := flate.NewWriter(&buf, flate.BestCompression)
    w.Write(data)
    w.Close()
    return buf.Bytes()
}func compress(data []byte) []byte {
    var buf bytes.Buffer
    w, _ := flate.NewWriter(&buf, flate.BestCompression)
    w.Write(data)
    w.Close()
    return buf.Bytes()
}func compress(data []byte) []byte {
    var buf bytes.Buffer
    w, _ := flate.NewWriter(&buf, flate.BestCompression)
    w.Write(data)
    w.Close()
    return buf.Bytes()
}func compress(data []byte) []byte {
    var buf bytes.Buffer
    w, _ := flate.NewWriter(&buf, flate.BestCompression)
    w.Write(data)
    w.Close()
    return buf.Bytes()
}func compress(data []byte) []byte {
    var buf bytes.Buffer
    w, _ := flate.NewWriter(&buf, flate.BestCompression)
    w.Write(data)
    w.Close()
    return buf.Bytes()
}

func main() {
    data := []byte("1234567890abcdefghij") // 20 字节随机内容
    compressed := compress(data)
    
    fmt.Printf("原始: %d 字节\n", len(data))
    fmt.Printf("压缩后: %d 字节\n", len(compressed))
    fmt.Printf("比率: %.2f\n", float64(len(compressed))/float64(len(data)))
}