From: qydysky <qydysky@foxmail.com>
Date: Fri, 31 Jul 2020 19:53:12 +0000 (+0800)
Subject: 17
X-Git-Tag: v0.0.2~71
X-Git-Url: http://127.0.0.1:8081/?a=commitdiff_plain;h=c148924633640dc34eaaf04fc00cb5f006908c0b;p=part%2F.git

17
---

diff --git a/flate.go b/flate.go
new file mode 100644
index 0000000..84ba386
--- /dev/null
+++ b/flate.go
@@ -0,0 +1,158 @@
+package part
+
+import (
+    // "sync"
+	// "os"
+    "github.com/klauspost/compress/flate"
+	// "io"
+    // "path/filepath"
+    // "strings"
+    "bytes"
+    // "time"
+    // "errors"
+)
+
+type lflate struct {}
+
+func Flate() *lflate{
+    return &lflate{}
+}
+
+func (this *lflate) InFlate(byteS []byte, level int) ([]byte,error) {
+    buf := bytes.NewBuffer(nil)
+
+    // 创建一个flate.Write
+    flateWrite, err := flate.NewWriter(buf, level)
+    if err != nil {
+        Logf().E(err.Error())
+        return buf.Bytes(),err
+    }
+    defer flateWrite.Close()
+    // 写入待压缩内容
+    flateWrite.Write(byteS)
+    flateWrite.Flush()
+    return buf.Bytes(),nil
+}
+
+// func (this *lflate) UnFlate(zipFile string, destDir string) error {
+//     this.Lock()
+// 	defer this.Unlock()
+
+//     r, err := zip.OpenReader(zipFile)
+//     if err != nil {
+//         return err
+//     }
+//     defer func() {
+//         if err := r.Close(); err != nil {
+//             panic(err)
+//         }
+//     }()
+
+//     os.MkdirAll(destDir, 0755)
+
+//     // Closure to address file descriptors issue with all the deferred .Close() methods
+//     extractAndWriteFile := func(f *zip.File) error {
+//         rc, err := f.Open()
+//         if err != nil {
+//             return err
+//         }
+//         defer func() {
+//             if err := rc.Close(); err != nil {
+//                 panic(err)
+//             }
+//         }()
+
+//         path := filepath.Join(destDir, f.Name)
+
+//         if f.FileInfo().IsDir() {
+//             os.MkdirAll(path, f.Mode())
+//         } else {
+//             os.MkdirAll(filepath.Dir(path), f.Mode())
+//             f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
+//             if err != nil {
+//                 return err
+//             }
+//             defer func() {
+//                 if err := f.Close(); err != nil {
+//                     panic(err)
+//                 }
+//             }()
+
+//             _, err = io.Copy(f, rc)
+//             if err != nil {
+//                 return err
+//             }
+//         }
+//         return nil
+//     }
+
+//     for _, f := range r.File {
+//         err := extractAndWriteFile(f)
+//         if err != nil {
+//             return err
+//         }
+//     }
+
+//     return nil
+// }
+
+// type rZip struct {
+//     poit *zip.ReadCloser
+//     buf map[string]*zip.File
+//     sync.Mutex
+// }
+
+// func RZip() *rZip {return &rZip{}}
+
+// func (t *rZip) New(zipFile string) (error) {
+//     t.Lock()
+// 	defer t.Unlock()
+
+//     t.buf  = make(map[string]*zip.File)
+
+//     var err error
+//     t.poit, err = zip.OpenReader(zipFile)
+//     if err != nil {return err}
+
+//     for _, _f := range t.poit.File {
+//         if _f.FileInfo().IsDir() {continue}
+//         t.buf[_f.Name] = _f
+//     }
+    
+//     return nil
+// }
+
+// func (t *rZip) Read(path string) (*bytes.Buffer,string,error) {
+//     t.Lock()
+//     defer t.Unlock()
+    
+//     var timeLayoutStr = "2006-01-02 15:04:05"
+//     var err error
+
+//     if f,ok := t.buf[path];ok {
+//         if rc, err := f.Open();err == nil {
+//             defer rc.Close();
+
+//             buf := new(bytes.Buffer)
+//             buf.ReadFrom(rc)
+//             return buf,f.FileHeader.Modified.Format(timeLayoutStr),nil
+//         }
+//         return &bytes.Buffer{},time.Now().UTC().Format(timeLayoutStr),err
+//     }
+//     return &bytes.Buffer{},time.Now().UTC().Format(timeLayoutStr),errors.New("not found")
+// }
+
+// func (t *rZip) List() []string {
+//     var list []string
+//     for k := range t.buf {
+//         list=append(list,k)
+//     }
+//     return list
+// }
+
+// func (t *rZip) Close() {
+//     t.poit.Close()
+//     for k := range t.buf {
+//         delete(t.buf, k)
+//     }
+// }
\ No newline at end of file