added attachment caching path for CRM

common_test.go

 		"https://c.hitxy.org.au/",
 		"wechat",
 		"crmwechat.api"}
+	GlobalPath = PathsConfig{"/tmp"}
 }
 
 func AssertEqual(t *testing.T, a interface{}, b interface{}, message string) {

main.go

 	"net/http"
 )
 
+//PathsConfig all system available pathes
+type PathsConfig struct {
+	CRMAttachment string `json:"crm_attachmeng"`
+}
+
+//GlobalPath all global pathes configurations
+var GlobalPath = PathsConfig{"/tmp/"}
+
 func main() {
 	err := readConfig() //wechat API config
 	if err != nil {

server.go

 	defer f.Close()
 	io.Copy(f, file)
 }
+
+func crmAttachmentHandler(w http.Response, r *http.Request) {
+	http.ServeFile(w, r)
+}