requirement
2月 2720241. Alibaba Cloud SMS products were transferred to Hangzhou Guoyang.
2. Organize the files in the directory and delete unnecessary ones.
- The directory should be: pdf, signature image and sign_XXXX.php. Dependent libraries, SMS channel libraries, etc. are placed in independent directories such as sign_cn_sms/.
- Naming rules: sign_XX.php represents what channel is used for verification, for example: sign_cn_sms.php is used for Chinese SMS verification; sign_usa_sms.php is used for American SMS verification; sign_cn_mail is used for email verification with Chinese interface; sign_en_mail: is the email with English interface verify.
- Users can click to switch to different php pages to enter different verification channels.
3. Generate a QR code image for the current contract link, which can be downloaded.
4. Add link: Create a signature image. Users can use the drawing board to create a 600*600 white background signature image.
5. Increase the contrast and white background of the signature image to ensure that the text is not affected when superimposed. (The same goes for seals, both signature and seal
It’s just a picture)
6. Preprocess any PDF to be uploaded. All become a4 size.
7. You can upload a picture as a contract (instead of a pdf), but if you scale the picture (do not rotate, just scale, align it with the upper left corner of A4 and maximize it), it will also become a PDF of A4 size.
8. Add email verification function (use sign7@wuwi.cc to send email), name it sign_cn_mail, and the corresponding library directory is sign_cn_mail/ with the same name.
9. Add paypal payment function