feature http response

ver.go

@@ -0,0 +1,11 @@
+package sacred
+
+const (
+	LibName    = `sacred`
+	LibVersion = `0.8.0`
+)
+
+// Version 工具包版本号
+func Version() string {
+	return LibName + `/` + LibVersion
+}

xhttp/response.go

@@ -5,6 +5,8 @@ import (
 	"encoding/xml"
 	"net/http"
 	"net/url"
+
+	"git.chuangxin1.com/myth/sacred"
 )
 
 // Message HTTP response
@@ -46,3 +48,41 @@ func (m Message) UserAgent() string {
 func (m Message) Referer() string {
 	return m.req.Referer()
 }
+
+func header(w http.ResponseWriter, contentType string) {
+	w.Header().Set(`Content-Type`, contentType)
+	w.Header().Set(`X-Powered-By`, sacred.LibName+`/`+sacred.LibVersion)
+	w.WriteHeader(http.StatusOK)
+}
+
+// SetHeader set http response header
+func SetHeader(w http.ResponseWriter, key, value string) {
+	w.Header().Set(key, value)
+}
+
+// Redirect redirect
+func Redirect(w http.ResponseWriter, r *http.Request, url string) {
+	//w.Header().Set(`Location`, url)
+	//w.WriteHeader(http.StatusFound)
+
+	http.Redirect(w, r, url, http.StatusFound)
+}
+
+// WriteJSON response JSON data.
+func WriteJSON(w http.ResponseWriter, response interface{}) error {
+	header(w, `application/json; charset=utf-8`)
+	return json.NewEncoder(w).Encode(response)
+}
+
+// WriteXML response XML data.
+func WriteXML(w http.ResponseWriter, response interface{}) error {
+	header(w, `application/xml; charset=utf-8`)
+	return xml.NewEncoder(w).Encode(response)
+}
+
+// WriteBytes response bytes
+func WriteBytes(w http.ResponseWriter, response interface{}) error {
+	header(w, `text/html; charset=utf-8`)
+	_, err := w.Write(response.([]byte))
+	return err
+}