自制三合一多功能收款码

文章来源：https://blog.egsec.cn/archives/76

通过判断你是使用QQ，微信还是支付宝扫码支付的方式，制作一款不管你是用这三者中的哪一个扫描，都可以支付的收款码。

直接上代码：

  1 <!doctype html>
  2 <html>
  3 <head>
  4 <meta charset="utf-8">
  5 <meta http-equiv="X-UA-Compatible" content="IE=edge">
  6 <meta name="viewport" content="width=device-width, initial-scale=1">
  7 <title>EGSec - 收款码</title>
  8 <link rel="shortcuticon" href="https://blog.tcp123.cn/favicon.ico" />
  9 <script>
 10     var setting = {
 11         // 在以下双引号中粘贴QQ钱包收款链接
 12         qqUrl: "https://i.qianbao.qq.com/wallet/sqrcode.htm?m=tenpay&f=wallet&a=1&ac=CAEQg4TkmAQYveDQ8AU%3D_xxx_sign&u=1125712387&n=EG",
 13         // 在以下双引号中粘贴微信收款链接
 14         wechatUrl: "wxp://f2f0_4HEas_V2v0JM0yrRer9WV6WgxkJ1gnt",
 15         // 在以下双引号中粘贴支付宝收款链接
 16         aliUrl: "https://qr.alipay.com/fkx08293focdyghubhn9a30",
 17         // 用于动态生成二维码API
 18         qrcodeApi: "https://www.kuaizhan.com/common/encode-png?large=true&data="
 19         /*
 20         备用二维码api：
 21         http://s.jiathis.com/qrcode.php?url=
 22 http://www.kuaizhan.com/common/encode-png?large=true&data=
 23 http://b.bshare.cn/barCode?site=weixin&url=
 24 http://pan.baidu.com/share/qrcode?w=150&h=150&url=
 25         */
 26     }
 27 </script>
 28 <style>
 29      * {
 30         margin: 0; padding: 0;
 31         font-family: Microsoft yahei;
 32     }
 33     body {
 34         background-color: #fff;
 35     }
 36     .code-item {
 37         width: 100%;
 38         max-width: 400px;
 39         margin: 0 auto;
 40         padding-bottom: 1px;
 41         display: none;
 42         background-color: #5c92ef;
 43     }
 44     .code-title {
 45         height: 100px;
 46         background-color: #f2f2f2;
 47         background-position: center;
 48         background-repeat: no-repeat;
 49         background-size: 50%;
 50     }
 51     .code-area {
 52         text-align: center;
 53     }
 54     .code-area>img {
 55         margin: 80px 0;
 56         width: 60%;
 57         min-width: 100px;
 58     }
 59     .code-footer {
 60         height: 80px;
 61         text-align: center;
 62         background-color: #fff;
 63         color: #666;
 64         line-height: 80px;
 65         font-size: 20px;
 66         margin: -2px 2px 2px 2px;
 67     }
 68     #code-all>.code-title {
 69         background-image: url("https://ae01.alicdn.com/kf/Hf128fa6dc81042308a0067e6ce1309d8z.png");
 70     }
 71     #code-qq {
 72         background-color: #54bc6e;
 73     }
 74     #code-qq>.code-title {
 75         background-image: url("https://ae01.alicdn.com/kf/Ha9e8ae195c2a477eab7e6df4bca6f254a.png");
 76     }
 77     #code-wechat {
 78         background-color: #54bc6e;
 79     }
 80     #code-wechat>.code-title {
 81         background-image: url("https://ae01.alicdn.com/kf/H4750a12d54bc476083c636860454187eo.png");
 82     }
 83 </style>
 84 </head>
 85 <body>
 86 <!-- 万能收款码展示区域 -->
 87 <div class="code-item" id="code-all">
 88 <div class="code-title"></div>
 89 <div class="code-area">
 90 <img id="page-url" src="data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVQImWNgYGBgAAAABQABh6FO1AAAAABJRU5ErkJggg==">
 91 </div>
 92 <div class="code-footer">扫描以上二维码向EGSec付款</div>
 93 </div>
 94 <!-- QQ钱包二维码展示区域 -->
 95 <div class="code-item" id="code-qq">
 96 <div class="code-title"></div>
 97 <div class="code-area">
 98 <img id="qq-url" src="https://ww2.sinaimg.cn/large/a15b4afegy1fiw0xfoj1wj20gu0g50uc.jpg">
 99 </div>
100 <div class="code-footer">长按以上二维码向EGSec付款</div>
101 </div>
102 <!-- 微信二维码展示区域 -->
103 <div class="code-item" id="code-wechat">
104 <div class="code-title"></div>
105 <div class="code-area">
106 <img id="wechat-url" src="https://ww2.sinaimg.cn/large/a15b4afegy1fiw11kh5u3j203o03r3yn.jpg">
107 </div>
108 <div class="code-footer">长按以上二维码向EGSec付款</div>
109 </div>
110 <script>
111     if(navigator.userAgent.match(/Alipay/i)) {
112         // 支付宝
113 window.location.href = setting.aliUrl;
114     } else if(navigator.userAgent.match(/MicroMessenger//i)) {
115         // 微信
116         document.getElementById("wechat-url").src = setting.qrcodeApi + urlEncode(setting.wechatUrl);
117         document.getElementById("code-wechat").style.display = "block";
118     } else if(navigator.userAgent.match(/QQ//i)) {
119         // QQ
120         document.getElementById("qq-url").src = setting.qrcodeApi + urlEncode(setting.qqUrl);
121         document.getElementById("code-qq").style.display = "block";
122     } else {
123         // 其它，显示“万能码”
124         document.getElementById("page-url").src = setting.qrcodeApi + urlEncode(window.location.href);
125         document.getElementById("code-all").style.display = "block";
126     }
127     /*****************************************
128      * url编码函数
129      * 输入参数：待编码的字符串
130      * 输出参数：编码好的
131      ****************************************/
132     function urlEncode(String) {
133         return encodeURIComponent(String).replace(/'/g,"%27").replace(/"/g,"%22");
134     }
135 </script>
136 </body>
137 </html>