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dev_test

web-test
/
canvas实现标尺.html

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8">
		<title>刻度尺</title>
		<meta name="renderer" content="webkit">
		<style>
			* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        .ruler-wrap {
            width: 100%;
            max-width: 600px;
            /*height: 60px;*/
            line-height: 1px;
            overflow: hidden;
            margin: 0 auto 50px;
        }

        .text-input{
            display: block;
            width: 100px;
            height: 30px;
            border-radius: 5px;
            background: #f6f6f6;
            border: none;
            text-align: center;
            font-size: 14px;
            color: #4142cc;
            font-weight: bold;
            letter-spacing: 1px;
            margin: 0 auto;
        }
        .text-input:focus{
            outline: none;
        }
    </style>
		<!-- 引入刻度尺插件js -->
		<script src="js/ruler.js"></script>
	</head>
	<body>
		<!-- 刻度尺容器(必要的) -->
		<div class="ruler-wrap" id="ruler"></div>
		<!-- 刻度尺容器(必要的) -->
		<div class="ruler-wrap" style="width: 90%;" id="ruler2"></div>
		<input id="rulerText3" class="text-input" type="text" readonly value="">
		<!-- 刻度尺容器(必要的) -->
		<div class="ruler-wrap" style="width: 80%;" id="ruler3"></div>
	</body>
</html>
<script>
	//调用刻度尺方法
	ruler.initPlugin({
		el: "ruler", //容器id
		startValue: 100,
		background: "#f5f5f5",
		success: function(res) {
			console.log(res);
		}
	});

	//调用刻度尺方法
	ruler.initPlugin({
		el: "ruler2", //容器id
		maxScale: 300, //最大刻度
		startValue: 50, //刻度开始的初始值
		region: [10, 200], //选择刻度的区间范围
		background: "#2bd4bc", //刻度尺背景色
		markColor: "#c968ff", //中心刻度标记颜色
		success: function(res) {
			console.log(res);
		}
	});


	var rulerText3 = document.getElementById("rulerText3");
	rulerText3.value = 200;
	//调用刻度尺方法
	ruler.initPlugin({
		el: "ruler3", //容器id
		height: 50, //刻度尺高度
		maxScale: 300, //最大刻度
		startValue: 200, //刻度开始的初始值
		region: [50, 220], //选择刻度的区间范围
		background: "#ffa43c", //刻度尺背景色
		color: "#fff", //刻度线和字体的颜色
		markColor: "#3786db", //中心刻度标记颜色
		isConstant: true, //是否不断地获取值
		success: function(res) {
			console.log(res);
			rulerText3.value = res;
		}
	});
</script>