Send wps to QQ as a file first, then open the file in QQ, click the plus sign in the upper right corner of the file to share, and the pop-up box will pop up. Click Cloud Classroom, and then click this one time, it will automatically open Blue Ink Cloud Classroom, click Save to the file temporary storage area, then hand in your homework in Cloud Classroom, click the plus sign to upload, select the attachment, and click the temporary storage area to find the file you want to upload.