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use buffer instead of concatenate

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This commit is contained in:
Rex Lee(李俊) 2018-07-02 19:23:58 +08:00
parent 64d474b2a2
commit fe1abc5293
1 changed files with 3 additions and 3 deletions
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6
render/json.go
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@ -126,7 +126,7 @@ func (r AsciiJSON) Render(w http.ResponseWriter) (err error) {
return err return err
} }
result := "" var buffer bytes.Buffer
for _, r := range string(ret) { for _, r := range string(ret) {
cvt := "" cvt := ""
if r < 128 { if r < 128 {
@ -134,10 +134,10 @@ func (r AsciiJSON) Render(w http.ResponseWriter) (err error) {
} else { } else {
cvt = fmt.Sprintf("\\u%04x", int64(r)) cvt = fmt.Sprintf("\\u%04x", int64(r))
} }
result = result + cvt buffer.WriteString(cvt)
} }
w.Write([]byte(result)) w.Write(buffer.Bytes())
return nil return nil
} }