renceng
/
WMS


			
				
					
						
						
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							<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<style>
			html,body { width: 100%; height: 100%; overflow: hidden; margin: 0; padding: 0; }
			textarea {
				    width: 99%;
				    height: 99%;
				    margin: 0;
				    padding:10px;
					box-sizing: border-box;
					border: 1px solid #dcdfe6;
			}
		</style>
		<title></title>
	</head>
	<body>
		<textarea id="scanVal" onkeydown="myFunction(event)"  placeholder="请扫描单个或多个监管码"></textarea>
	</body>
	<script type="text/javascript">
		// 自动聚焦
		document.getElementById("scanVal").focus();
		
		function myFunction(event){
			var x = event.keyCode;
			    if (x == 13) {  // 13 是 回车 键
			        console.log ("你按下了回车键！");
					
			  window.parent.postMessage({  //参数是对象
					   cmd: '***',
					   params: {
						 success: true              
					   }
				   }, '*');
			    }
		}
		
	</script>
</html>