删除解密后明文的补位字符 @param decrypted 解密后的明文 @return 删除补位字符后的明文

query access token from memory, database or other medias @return access token of wechat

save access token to memory, database or other medias @param accessToken access token of wechat

@param url file URL @param downloadDir directory to save file @param fileName file name @param ignoreContentTypes response content types to ignore dow

@param url URL of file @param postString post body of request @param downloadDir directory to save file @param fileName file name @param ignoreContent

@param url media URL @param downloadDir directory to save download media @param fileName download file name @return null if network error @throws Null

@param url media URL @param postString request body @param downloadDir directory to save file @param fileName download file name @return null if netwo

获得对明文进行补位填充的字节. @param count 需要进行填充补位操作的明文字节个数 @return 补齐用的字节数组

对明文进行加密. @param text 需要加密的明文 @return 加密后base64编码的字符串 @throws AesException aes加密失败

@return true if sending message to users by OPENID

This method should return in 5 seconds, or wechat server will retry to send message. So don't do time consuming task here. @param message received mes

@param url request URL @param postData request parameters @param retClzz class of response object @return null if network error @throws NullPointerExc

Required @param appId

Required @param body

Whether to send message to all users @param isToAll true if send to all user

Required @param longUrl

Required @param mchId