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add defer nil

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This commit is contained in:
Jay 2018-10-10 00:42:44 +08:00
parent de41ceddc4
commit 63a6856e45
1 changed files with 17 additions and 0 deletions
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17
router/rimg/rimg.go
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@ -94,6 +94,11 @@ func GetOriginImage(c *context.Context) {
c.ServerError(nil) c.ServerError(nil)
return return
} }
defer func() {
buf.Reset()
buf = nil
}()
c.Writer.Header().Set("Content-Type", "image/jpeg") c.Writer.Header().Set("Content-Type", "image/jpeg")
c.Writer.Header().Set("Content-Length", strconv.Itoa(buf.Len())) c.Writer.Header().Set("Content-Length", strconv.Itoa(buf.Len()))
_, err = c.Writer.Write(buf.Bytes()) _, err = c.Writer.Write(buf.Bytes())
@ -116,6 +121,9 @@ func GetOriginImage(c *context.Context) {
c.ServerError(nil) c.ServerError(nil)
return return
} }
defer func() {
buf = nil
}()
c.Writer.Header().Set("Content-Type", "image/jpeg") c.Writer.Header().Set("Content-Type", "image/jpeg")
io.Copy(c.Writer, buf) io.Copy(c.Writer, buf)
@ -192,7 +200,12 @@ func GetThumbnailImage(c *context.Context) {
c.ServerError(nil) c.ServerError(nil)
return return
} }
breader := bytes.NewReader(buf.Bytes()) breader := bytes.NewReader(buf.Bytes())
defer func() {
buf = nil
breader = nil
}()
if genNew { if genNew {
savep := path.Join(conf.ImageRoot, "thumbnail", subd, fname) savep := path.Join(conf.ImageRoot, "thumbnail", subd, fname)
@ -227,6 +240,10 @@ func GetThumbnailImage(c *context.Context) {
} }
breader := bytes.NewReader(buf.Bytes()) breader := bytes.NewReader(buf.Bytes())
defer func() {
buf = nil
breader = nil
}()
savep := path.Join(conf.ImageRoot, "thumbnail", fname) savep := path.Join(conf.ImageRoot, "thumbnail", fname)
err = saveNewThumbnail(breader, savep) err = saveNewThumbnail(breader, savep)