接口模式：
第一步
//获取 token – 成功
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api_endpoint = 'https://api.sandbox.paypal.com'; // Sandbox endpoint //
apiendpoint=′https://api.sandbox.paypal.com′;//Sandboxendpoint//api_endpoint = ‘https://api.paypal.com’; // Live endpoint
// 在开发平台获取 https://developer.paypal.com/
$client_id = ‘*******’;
$client_secret = ‘*****’;
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ch = curl_init(); curl_setopt(
ch=curlinit();curlsetopt(ch, CURLOPT_URL,
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api_endpoint."/v1/oauth2/token"); curl_setopt(
apiendpoint."/v1/oauth2/token");curlsetopt(ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt(
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ch, CURLOPT_POST, 1); curl_setopt(
ch,CURLOPTPOST,1);curlsetopt(ch, CURLOPT_USERPWD,
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client_id.":".
clientid.":".client_secret);
curl_setopt($ch, CURLOPT_POSTFIELDS, “grant_type=client_credentials”);
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result = curl_exec(
result=curlexec(ch);
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response = json_decode(
response=jsondecode(result);
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error = curl_error(
error=curlerror(ch);
$access_token =
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response->access_token; var_dump(
response−>accesstoken;vardump(access_token);
第二步
$post_data = ‘{
“intent”: “sale”,
“payer”: {
“payment_method”: “paypal”
},
“transactions”: [{
“amount”: {
“total”: “20.00”,//修改这里的金额
“currency”: “USD”
}
}],
“redirect_urls”: {
“return_url”: “回调地址”,
“cancel_url”: “回调地址”
}
}’;
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ch = curl_init(); curl_setopt(
ch=curlinit();curlsetopt(ch, CURLOPT_URL,
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api_endpoint."/v1/payments/payment"); curl_setopt(
apiendpoint."/v1/payments/payment");curlsetopt(ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt(
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ch, CURLOPT_POST, 1); curl_setopt(
ch,CURLOPTPOST,1);curlsetopt(ch, CURLOPT_POSTFIELDS, $post_data);
$access_token = ‘第一步获取的’;
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headers = array( "Content-Type: application/json", "Authorization: Bearer ".
headers=array("Content−Type:application/json","Authorization:Bearer".access_token
);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
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result = curl_exec(
result=curlexec(ch);
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response = json_decode(
response=jsondecode(result);
获取 支付的链接 links 第二个
第三步
根据第二步 返回的俩个参数 GET 请求
$payment_id = ‘PAYID-MVQFE2Q14187575CY193100J’;
$payer_id = ‘WUPZR2EKB6EKA’; // Payer ID from the URL parameter
KaTeX parse error: Expected '}', got 'EOF' at end of input: …"payer_id": "'.payer_id.‘"
}’;
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ch = curl_init(); curl_setopt(
ch=curlinit();curlsetopt(ch, CURLOPT_URL,
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api_endpoint."/v1/payments/payment/".
apiendpoint."/v1/payments/payment/".payment_id.“/execute”);
curl_setopt(
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ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt(
ch,CURLOPTRETURNTRANSFER,1);curlsetopt(ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $execute_payment);
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headers = array( "Content-Type: application/json", "Authorization: Bearer ".
headers=array("Content−Type:application/json","Authorization:Bearer".access_token
);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
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result = curl_exec(
result=curlexec(ch);
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response = json_decode(
response=jsondecode(result,true);
判断是否支付成功 – 结束
form 表单提交
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form action="https://www.paypal.com/cgi-bin/webscr" method="post" id="paypalsubmit" name="paypalsubmit">
<input type="hidden" name="item_name_1" value="Analog Devices LTC1966MPMS8#PBF"/>
<input type="hidden" name="amount_1" value="15"/>
<input type="hidden" name="quantity_1" value="1"/>
<input type="hidden" name="cmd" value="_cart"/>
<input type="hidden" name="upload" value="1"/>
<input type="hidden" name="business" value="修改成自己的邮箱"/>
<input type="hidden" name="currency_code" value="USD"/>
<input type="hidden" name="invoice" value="2023112206496861"/>
<input type="hidden" name="lc" value="zh-cn"/>
<input type="hidden" name="rm" value="2"/>
<input type="hidden" name="no_note" value="1"/>
<input type="hidden" name="no_shipping" value="1"/>
<input type="hidden" name="charset" value="utf-8"/>
<input type="hidden" name="return" value="回调地址 返回"/>
<input type="hidden" name="notify_url" value="回调地址 通知"/>
<input type="hidden" name="cancel_return" value="回调地址 取消"/>
<input type="hidden" name="paymentaction" value="sale"/>
<input type="hidden" name="custom" value="2023112206496861"/>
<input type="hidden" name="bn" value="OpenCart_2.0_WPS"/>
</form>
<script>
document.forms['paypalsubmit'].submit();
</script>
</body>
</html>
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