基于canvas手机画板绘图。支持更改笔触颜色，笔触大小，推荐背景，橡皮檫大小，历史记录，清屏，保存图片等功能。这是一款实用的移动端绘图特效。ps：请用手机打开访问。

使用方法

1、head引入css文件

<link rel="stylesheet" type="text/css" href="css/base.css">
<link rel="stylesheet" type="text/css" href="css/handWriting.css">

2、body引入HTML代码

<div class="wrapper">
	<canvas class="offCanvas"></canvas>
	<canvas class="canvas"></canvas>
</div>
<div class="footer">
	<div class="control-button">
		<div class="item colorButton"><img src="images/colors.png" alt=""><span>黑色</span></div>
		<div class="item sizeButton"><img src="images/size.png" alt=""><span>中笔</span></div>
		<div class="item bgButton"><img src="images/bg.png" alt=""><span>背景</span></div>
		<div class="item rubberButton"><img src="images/rubber.png" alt=""><span>擦掉</span></div>
		<div class="item historyButton"><img src="images/history.png" alt=""><span>历史</span></div>
		<div class="item clearButton"><img src="images/clear.png" alt=""><span>清屏</span></div>
		<div class="item saveButton"><img src="images/save.png" alt=""><span>保存</span></div>
	</div>
	<div class="pop-up colors-panel">
		<div class="title">笔触颜色<span class="closeBtn"></span></div>
		<div class="colors">
			<div class="lineColors">
				<div><span class="red" data-text="红色" data-color="#ff0000"></span></div>
				<div><span class="blue" data-text="蓝色" data-color="#0000ff"></span></div>
				<div><span class="green" data-text="绿色" data-color="#00ff00"></span></div>
				<div><span class="black" data-text="黑色" data-color="#000000"></span></div>
				<div><span class="orange" data-text="橙色" data-color="#ff6302"></span></div>
			</div>
			<div class="lineColors">
				<div><span class="red" data-text="红色" data-color="#ff0000"></span></div>
				<div><span class="blue" data-text="蓝色" data-color="#0000ff"></span></div>
				<div><span class="green" data-text="绿色" data-color="#00ff00"></span></div>
				<div><span class="black" data-text="黑色" data-color="#000000"></span></div>
				<div><span class="orange" data-text="橙色" data-color="#ff6302"></span></div>
			</div>
		</div>
	</div>
	<div class="pop-up size-panel">
		<div class="title">笔触大小<span class="closeBtn"></span></div>
		<div class="sizes">
			<div class="lineSizes"><span data-lineWidth="10" data-text="大笔" class="big"></span></div>
			<div class="lineSizes"><span data-lineWidth="30" data-text="中笔" class="middle"></span></div>
			<div class="lineSizes"><span data-lineWidth="50" data-text="小笔" class="small"></span></div>
		</div>
	</div>
	<div class="pop-up bg-panel">
		<div class="title">推荐背景<span class="closeBtn"></span></div>
		<div class="list">
			<img src="images/bj.png" alt="" />
			<img src="images/bj.png" alt="" />
			<img src="images/bj.png" alt="" />
			<img src="images/bj.png" alt="" />
			<img src="images/bj.png" alt="" />
		</div>
	</div>
	<!-- 添加橡皮檫列表和历史记录列表样式 -->
	<div class="pop-up rubber-panel">
		<div class="title">橡皮檫大小<span class="closeBtn"></span></div>
		<div class="rubbers">
			<div class="first">大小：</div>
			<div class="second"><input type="range" min="1" max="50" value="25" step="1" name="大小" /></div>
			<div class="last"><span class="rubberSize">25</span>像素</div>
		</div>
	</div>
	<div class="pop-up history-panel">
		<div class="title">历史记录<span class="closeBtn"></span></div>
		<div class="history">
			<div class="lineBox"></div>
		</div>
	</div>
</div>
<div class="offImgs" style="display: none;"></div>
<script src="js/jquery.min.js"></script>
<script src="js/handWriting.js"></script>

资源出处：https://www.moyublog.com/codes/7007.html