
		#num_result{ color: brown;font-size: larger;}
    </style>
</head>
<body style="margin: 0 auto;">
	<h3>多个字符识别（写字板）</h3>
    <canvas id="canvas" width="680" height="480">Canvas not supported</canvas>
	<div class="buttons-container">
        <button id="num_ocr">识别内容</button>
		<button id="clear_canvas">清空画板</button>
    </div>
	<div class="buttons-container"></div>
        <label id="num_result"></label>
    </div>
	
<script src="./static/host.js"></script>
<script ty