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本文实例为大家分享了炫酷的前端页面滑动验证的具体代码，供大家参考，具体内容如下 分享炫酷的前端页面滑动验证 前面已经发过一种，这里再发一种，只是特效不一样 还是直接上代码：
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
<style>
/* 滑动控件容器,灰色背景 */
#dragContainer {
position: relative;
display: inline-block;
background: #e8e8e8;
width: 300px;
height: 33px;
border: 2px solid #e8e8e8;
}
/* 滑块左边部分,绿色背景 */
#dragBg {
position: absolute;
background-color: #7ac23c;
width: 0px;
height: 100%;
}
/* 滑动验证容器文本 */
#dragText {
position: absolute;
width: 100%;
height: 100%;
/* 文字水平居中 */
text-align: center;
/* 文字垂直居中,这里不能用百分比,因为百分比是相对原始line-height的,而非div高度 */
line-height: 33px;
/* 文本不允许选中 */
user-select: none;
-webkit-user-select: none;
}
/* 滑块 */
#dragHandler {
position: absolute;
width: 40px;
height: 100%;
cursor: move;
}
/* 滑块初始背景 */
.dragHandlerBg {
background: #fff no-repeat center url("data:image/png;base64,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");
}
/* 验证成功时的滑块背景 有√*/
.dragHandlerOkBg {
background: #fff no-repeat center url("data:image/png;base64,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");
}
</style>
</head>
<body>
<div id="dragContainer"><!-- 容器初始背景 -->
<div id="dragBg"></div><!-- 绿色背景 -->
<div id="dragText"></div><!-- 滑动容器文本 -->
<div id="dragHandler" class="dragHandlerBg"></div>
</div> <!-- 滑块 滑块初始背景 -->
</body>
<script>
//加载（事件会在页面加载完成后触发）
window.onload = function() {
//获取滑动控件容器,灰色背景
var dragContainer = document.getElementById("dragContainer");
//获取滑块左边部分,绿色背景
var dragBg = document.getElementById("dragBg");
//获取滑动验证容器文本
var dragText = document.getElementById("dragText");
//获取滑块
var dragHandler = document.getElementById("dragHandler");
//滑块的最大偏移量 = 滑动验证容器文本长度 - 滑块长度
var maxHandlerOffset = dragContainer.clientWidth - dragHandler.clientWidth;
//是否验证成功的标记
var isVertifySucc = false;
initDrag();
function initDrag() {
//在滑动验证容器文本写入“拖动滑块验证”
dragText.textContent = "拖动滑块验证";
//给滑块添加鼠标按下监听
dragHandler.addEventListener("mousedown", onDragHandlerMouseDown);
}
//选中滑块
function onDragHandlerMouseDown() {
//鼠标移动监听
document.addEventListener("mousemove", onDragHandlerMouseMove);
//鼠标松开监听
document.addEventListener("mouseup", onDragHandlerMouseUp);
}
//滑块移动
function onDragHandlerMouseMove() {
/*
html元素不存在width属性,只有clientWidth
offsetX是相对当前元素的,clientX和pageX是相对其父元素的
*/
//滑块移动量
var left = event.clientX - dragHandler.clientWidth / 2;
//
if(left < 0) {
left = 0;
//如果滑块移动量 > 滑块的最大偏移量 ，则调用验证成功函数
} else if(left > maxHandlerOffset) {
left = maxHandlerOffset;
verifySucc();
}
//滑块移动量
dragHandler.style.left = left + "px";
//绿色背景的长度
dragBg.style.width = dragHandler.style.left;
}
//松开滑块函数
function onDragHandlerMouseUp() {
//移除鼠标移动监听
document.removeEventListener("mousemove", onDragHandlerMouseMove);
//移除鼠标松开监听
document.removeEventListener("mouseup", onDragHandlerMouseUp);
//初始化滑块移动量
dragHandler.style.left = 0;
//初始化绿色背景
dragBg.style.width = 0;
}
//验证成功
function verifySucc() {
//成功标记，不可回弹
isVertifySucc = false;
//容器文本的文字改为白色“验证通过”字体
dragText.textContent = "验证通过";
dragText.style.color = "white";
//验证通过的滑块背景
dragHandler.setAttribute("class", "dragHandlerOkBg");
//移除鼠标按下监听
dragHandler.removeEventListener("mousedown", onDragHandlerMouseDown);
//移除 鼠标移动监听
document.removeEventListener("mousemove", onDragHandlerMouseMove);
//移除鼠标松开监听
document.removeEventListener("mouseup", onDragHandlerMouseUp);
// 匹配成功以后写入你要跳转的页面
//window.location.href="成功页面.html" rel="external nofollow" ;
};
}
</script>
</html>
效果如下 以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持极客世界。 |
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