jQuery拼图验证插件制作拖拽滑动条来拼图完成验证登录效果。完成拼图成功提示，错误提示重新再试。支持刷新图片拼图验证。

使用方法

1、head引入css文件

<!--插件样式-->
<link href="css/img_smooth_check.css" type="text/css" rel="stylesheet" />

2、head引入js文件

<script type="text/javascript" src="js/jquery-3.1.1.min.js"></script>
<script type="text/javascript" src="js/img_smooth_check.js"></script>

3、body引入部分

<div class="widgets__img_check_box" id="select" style="width:600px;margin:0 auto;top:2px;">           
	<div class="widgets__img_display">
		<div class="widgets__img_cnt">
			<img src1="a.jpg" class="widgets__img_src" />
			<canvas class="widgets__img_fragment_hollow"></canvas>
			<div class="widgets__img_fragment_cnt">
				<canvas class="widgets__img_fragment widgets__img_fragment_shadow"></canvas>
				<canvas class="widgets__img_fragment widgets__img_fragment_content"></canvas>
			</div>
			<div class="widgets__icon_refresh"></div>
		</div>                
	</div>            
	<div class="widgets__smooth_cnt">
		<div class="widgets__smooth_bar"></div>
		<div class="widgets__smooth_circle"></div>
	</div>
</div>

<script type="text/javascript">   
var s = WIDGETS.imgSmoothCheck({
	selector: "#select",
	data: ["img/t1.png", "img/t2.png", "img/t3.png"],
	imgHeight: 100,
	imgWidth: 200,
	allowableErrorValue: 3,
	success: function () {
		alert("成功");
	},
	error: function (res) {
		alert('重新再试');
	}
});
$(".refresh").on("click", function () {
	s.refresh();
});
</script>

资源出处：https://www.moyublog.com/codes/40.html