golang example_test 代码
文件路径：/src/archive/zip/example_test.go
/ Copyright 2012 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
package zip_test
import (
"archive/zip"
"bytes"
"compress/flate"
"fmt"
"io"
"log"
"os"
)
func ExampleWriter() {
/ Create a buffer to write our archive to.
buf := new(bytes.Buffer)
/ Create a new zip archive.
w := zip.NewWriter(buf)
/ Add some files to the archive.
var files = []struct {
Name, Body string
}{
{"readme.txt", "This archive contains some text files."},
{"gopher.txt", "Gopher names:\nGeorge\nGeoffrey\nGonzo"},
{"todo.txt", "Get animal handling licence.\nWrite more examples."},
}
for _, file := range files {
f, err := w.Create(file.Name)
if err != nil {
log.Fatal(err)
}
_, err = f.Write([]byte(file.Body))
if err != nil {
log.Fatal(err)
}
}
/ Make sure to check the error on Close.
err := w.Close()
if err != nil {
log.Fatal(err)
}
}
func ExampleReader() {
/ Open a zip archive for reading.
r, err := zip.OpenReader("testdata/readme.zip")
if err != nil {
log.Fatal(err)
}
defer r.Close()
/ Iterate through the files in the archive,
/ printing some of their contents.
for _, f := range r.File {
fmt.Printf("Contents of %s:\n", f.Name)
rc, err := f.Open()
if err != nil {
log.Fatal(err)
}
_, err = io.CopyN(os.Stdout, rc, 68)
if err != nil {
log.Fatal(err)
}
rc.Close()
fmt.Println()
}
/ Output:
/ Contents of README:
/ This is the source code repository for the Go programming language.
}
func ExampleWriter_RegisterCompressor() {
/ Override the default Deflate compressor with a higher compression level.
/ Create a buffer to write our archive to.
buf := new(bytes.Buffer)
/ Create a new zip archive.
w := zip.NewWriter(buf)
/ Register a custom Deflate compressor.
w.RegisterCompressor(zip.Deflate, func(out io.Writer) (io.WriteCloser, error) {
return flate.NewWriter(out, flate.BestCompression)
})
/ Proceed to add files to w.
}