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JS 生成二维码 

JS 生成二维码:
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8" />
  <meta name="referrer" content="always" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta http-equiv="content-type" content="text/html; charset=utf-8" />
  <meta name="renderer" content="webkit" />
  <meta name="keywords" content="JS 生成二维码" />
  <meta name="description" content="JS 生成二维码" />
  <title>JS 生成二维码  -by wgscd</title> 
</head>

<body>
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdn.bootcdn.net/ajax/libs/jquery.qrcode/1.0/jquery.qrcode.min.js"></script>
 
<div id="output"></div>
<script>
	// 转中文内容UTF-8
	function toUtf8(str) {
		var out, i, len, c;
		out = "";
		len = str.length;
		for (i = 0; i < len; i++) {
			c = str.charCodeAt(i);
			if ((c >= 0x0001) && (c <= 0x007F)) {
				out += str.charAt(i);
			} else if (c > 0x07FF) {
				out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
				out += String.fromCharCode(0x80 | ((c >> 6) & 0x3F));
				out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
			} else {
				out += String.fromCharCode(0xC0 | ((c >> 6) & 0x1F));
				out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
			}
		}
		return out;
	}
	// 设置二维码参数
	function make() {
		$('#output').qrcode({
			render: "table", // 设置渲染方式(有两种方式 table和canvas，默认是canvas）
			width: 200, // 宽度
			height: 200, // 高度
			background: "#FFFFFF", // 背景颜色
			foreground: "#000000", // 前景颜色
			correctLevel: 0, // 纠错等级 
			src: 'images/logo4.png',
			text: 'http://www.baidu.com/888'
			//text: toUtf8("二维码生成前端插件：jquery.qrcode.min.js") // 任意内容
		});
	}
	make();
</script>

  <center>
    <p>JS 生成二维码</p>
  </center>
</body>
</html>

　　

posted @ 2024-07-28 22:39  wgscd  阅读(27)  评论(0)  编辑  收藏  举报