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don't set Content-Type if exists

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lidashuang 2015-03-19 23:01:35 +08:00
parent 5857ddcd2c
commit d66ef6e337
1 changed files with 3 additions and 1 deletions
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4
render/render.go
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@ -54,7 +54,9 @@ var (
) )
func writeHeader(w http.ResponseWriter, code int, contentType string) { func writeHeader(w http.ResponseWriter, code int, contentType string) {
w.Header().Set("Content-Type", contentType+"; charset=utf-8") if w.Header().Get("Content-Type") == "" {
w.Header().Set("Content-Type", contentType+"; charset=utf-8")
}
w.WriteHeader(code) w.WriteHeader(code)
} }