48 lines
1000 B
Go
48 lines
1000 B
Go
package compress
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import (
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"archive/zip"
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"bytes"
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"io"
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)
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// ZIPCompress 对数据进行ZIP压缩,返回bytes.Buffer和错误信息
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func ZIPCompress(data []byte) (bytes.Buffer, error) {
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var buf bytes.Buffer
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zipWriter := zip.NewWriter(&buf)
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f, err := zipWriter.Create("file")
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if err != nil {
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return buf, err
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}
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_, err = f.Write(data)
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if err != nil {
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return buf, err
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}
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if err := zipWriter.Close(); err != nil {
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return buf, err
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}
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return buf, nil
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}
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// ZIPUnCompress 对已进行ZIP压缩的数据进行解压缩,返回字节数组及错误信息
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func ZIPUnCompress(dataByte []byte) ([]byte, error) {
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data := bytes.NewReader(dataByte)
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zipReader, err := zip.NewReader(data, int64(len(dataByte)))
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if err != nil {
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return nil, err
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}
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var result bytes.Buffer
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for _, f := range zipReader.File {
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rc, err := f.Open()
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if err != nil {
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return nil, err
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}
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_, err = io.Copy(&result, rc)
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if err != nil {
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return nil, err
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}
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_ = rc.Close()
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}
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return result.Bytes(), nil
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}
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