PayPal Donate 支付

方案1
<form target="_blank" action="https://www.paypal.com/cgi-bin/webscr" method="post">
<input type="hidden" name="cmd" value="_xclick">
<input type="hidden" name="business" value="[e-mail]">
<input type="hidden" name="item_name" value="BlueWhale Payment">
<input type="hidden" name="item_number" value="">
<input type="hidden" name="currency_code" value="USD">
<input type="hidden" name="amount" id="amount_2a1ece4b62f364a66a89239da96df9e5" value="">
<input class="wpedon_paypalbuttonimage" type="image" src="https://www.paypal.com/en_US/i/btn/btn_donateCC_LG.gif" border="0" name="submit" alt="Make your payments with PayPal. It is free, secure, effective." style="border: none;">
<img alt="" border="0" style="border:none;display:none;" src="https://www.paypal.com/EN_US/i/scr/pixel.gif" width="1" height="1">
</form>

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方案2
<form target="_blank" action="https://www.paypal.com/cgi-bin/webscr" method="post">
<input type="hidden" name="cmd" value="_donations">
<input type="hidden" name="business" value="[e-mail]">
<input type="hidden" name="item_name" value="BlueWhale Payment">
<input type="hidden" name="item_number" value="">
<input type="hidden" name="currency_code" value="USD">
<input type="hidden" name="amount" id="amount_2a1ece4b62f364a66a89239da96df9e5" value="">
<input class="wpedon_paypalbuttonimage" type="image" src="https://www.paypal.com/en_US/i/btn/btn_donateCC_LG.gif" border="0" name="submit" alt="Make your payments with PayPal. It is free, secure, effective." style="border: none;">
<img alt="" border="0" style="border:none;display:none;" src="https://www.paypal.com/EN_US/i/scr/pixel.gif" width="1" height="1">
</form>

paypal
https://www.paypal.com/mep/dashboard  面板
https://developer.paypal.com/classic-home/

https://www.paypal.com/bm/cgi-bin/webscr?cmd=_donate-intro-outside  捐赠

支付SDK

https://blog.csdn.net/markely/article/details/79044145 参考资料