use num

src/oss_util.rs

@@ -20,9 +20,6 @@ pub const OSS_VERB_DELETE: &str = "DELETE";
 const HTTP_SS: &str = "http://";
 const HTTPS_SS: &str = "https://";
 
-const HTTP_SC_SUCCESS: u16 = 200;
-const HTTP_SC_NOT_FOUND: u16 = 404;
-
 const INTERNAL_DEFAULT_VALID_IN_SECS: u64 = 30;
 
 // https://help.aliyun.com/document_detail/31952.html
@@ -56,8 +53,8 @@ impl OSSClient {
         let get_url = self.generate_signed_get_url(bucket_name, key, INTERNAL_DEFAULT_VALID_IN_SECS);
         let mut response = reqwest::get(&get_url)?;
         match response.status().as_u16() {
-            HTTP_SC_NOT_FOUND => Ok(None),
-            HTTP_SC_SUCCESS => Ok(Some(response.text()?)),
+            404_u16 => Ok(None),
+            200_u16 => Ok(Some(response.text()?)),
             _ => Err(new_box_ioerror(&format!("Error in read: {}/{}, returns: {:?}", bucket_name, key, response))),
         }
     }