45 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			HTML
		
	
	
		
		
			
		
	
	
			45 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			HTML
		
	
	
|  | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |||
|  | <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ko" lang="ko"> | |||
|  | <head> | |||
|  | <title>Javascript 二维码生成库:QRCode</title> | |||
|  | <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> | |||
|  | <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no" /> | |||
|  | <script type="text/javascript" src="http://static.runoob.com/assets/jquery/2.0.3/jquery.min.js"></script> | |||
|  | <script type="text/javascript" src="http://static.runoob.com/assets/qrcode/qrcode.min.js"></script> | |||
|  | </head> | |||
|  | <body> | |||
|  | <input id="text" type="text" value="http://www.runoob.com" style="width:80%" /><br /> | |||
|  | <div id="qrcode" style="width:100px; height:100px; margin-top:15px;"></div> | |||
|  | 
 | |||
|  | <script type="text/javascript"> | |||
|  | var qrcode = new QRCode(document.getElementById("qrcode"), { | |||
|  | 	width : 100, | |||
|  | 	height : 100 | |||
|  | }); | |||
|  | 
 | |||
|  | function makeCode () {		 | |||
|  | 	var elText = document.getElementById("text"); | |||
|  | 	 | |||
|  | 	if (!elText.value) { | |||
|  | 		alert("Input a text"); | |||
|  | 		elText.focus(); | |||
|  | 		return; | |||
|  | 	} | |||
|  | 	 | |||
|  | 	qrcode.makeCode(elText.value); | |||
|  | } | |||
|  | 
 | |||
|  | makeCode(); | |||
|  | 
 | |||
|  | $("#text"). | |||
|  | 	on("blur", function () { | |||
|  | 		makeCode(); | |||
|  | 	}). | |||
|  | 	on("keydown", function (e) { | |||
|  | 		if (e.keyCode == 13) { | |||
|  | 			makeCode(); | |||
|  | 		} | |||
|  | 	}); | |||
|  | </script> | |||
|  | </body> | |||
|  | </html> |