转载地址：/huaji666/p/8257710.html
js实现滑动拼图验证码，我这个样式是仿那些大网站做了， 学习用的,只用到前端。 小的个人网站感觉还可以用，大一点的别人用机器一下就破解了。
下面看图示:
样子大概是这样的。
源码在这
百度网盘: 链接: /s/1htjxYBE 密码: m5aw
3.9MB 是因为里面绝大部分是图片
使用示例 代码里面都有
js源码
(function (window, document) {var SliderBar = function (targetDom, options) {// 判断是用函数创建的还是用new创建的。这样我们就可以通过MaskShare("dom") 或 new MaskShare("dom")来使用这个插件了 if (!(this instanceof SliderBar)) return new SliderBar(targetDom, options);// 参数this.options = this.extend({dataList: []}, options);// 获取domthis.targetDom = document.getElementById(targetDom);var dataList = this.options.dataList;if (dataList.length > 0) {var html = "<div class='slide-box'><div class='slide-img-block'>" +"<div class='slide-loading'></div><div class='slide-img-border'>" +"<div class='scroll-background slide-top'></div><div class='slide-img-div'>" +"<div class='slide-img-nopadding'><img class='slide-img' id='slideImg' src='' />" +"<div class='slide-block' id='slideBlock'></div><div class='slide-box-shadow' id='cutBlock'></div></div>" +"<div class='scroll-background slide-img-hint-info' id='slideHintInfo'>" +"<div class='slide-img-hint'><div class='scroll-background slide-icon' id='slideIcon'></div>" +"<div class='slide-text'><span class='slide-text-type' id='slideType'></span>" +"<span class='slide-text-content' id='slideContent'></span></div></div></div></div>" +"<div class='scroll-background slide-bottom'>" +"<div class='scroll-background slide-bottom-refresh' id='refreshBtn' title='更换图片'></div>" +"<div class='slide-bottom-no-logo'></div></div></div></div>" +"<div class='scroll-background scroll-bar'>" +"<div class='scroll-background slide-btn' id='slideBtn'></div>" +"<div class='slide-title' id='slideHint'> <-按住滑块，拖动完成上面拼图</div></div></div>";this.targetDom.innerHTML = html;this.slideBtn = document.getElementById("slideBtn"); // 拖拽按钮this.refreshBtn = document.getElementById("refreshBtn"); // 换图按钮this.slideHint = document.getElementById("slideHint");// 提示名称this.slideImg = document.getElementById("slideImg"); // 图片this.cutBlock = document.getElementById("cutBlock"); // 裁剪区域this.slideBlock = document.getElementById("slideBlock"); // 裁剪的图片this.slideIcon = document.getElementById("slideIcon");// 正确、失败的图标this.slideType = document.getElementById("slideType");// 正确、失败this.slideContent = document.getElementById("slideContent"); // 正确、失败的正文this.slideHintInfo = document.getElementById("slideHintInfo"); // 弹出this.resultX = 0;this.startX = 0;this.timer = 0;this.startTamp = 0;this.endTamp = 0;this.x = 0;this.imgWidth = 0;this.imgHeight = 0;this.imgList = [];this.isSuccess = true;for (var i = 1; i < 10; i++) {this.imgList.push(i + ".jpg");}}this.init();}SliderBar.prototype = {init: function () {this.event();},extend: function (obj, obj2) {for (var k in obj2) {obj[k] = obj2[k];}return obj;},event: function () {var _this = this;_this.reToNewImg();_this.slideBtn.onmousedown = function(event){_this.mousedown(_this, event);} _this.refreshBtn.onclick = function(){_this.refreshBtnClick(_this);}},refreshBtnClick: function(_this){_this.isSuccess = true;_this.slideBlock.style.cssText = "";_this.cutBlock.style.cssText = "";_this.reToNewImg();},reToNewImg: function () {var _this = this;var index = Math.round(Math.random() * 8); // 该方法有等于0 的情况var imgSrc = "./images/" + _this.imgList[index] + "";_this.slideImg.setAttribute("src", imgSrc);_this.slideBlock.style.backgroundImage = "url("+ imgSrc +")";_this.slideImg.onload = function (e) {e.stopPropagation();_this.imgWidth = _this.slideImg.offsetWidth; // 图片宽_this.imgHeight = _this.slideImg.offsetHeight; // 图片高}},cutImg: function () {var _this = this;_this.cutBlock.style.display = "block";var cutWidth = _this.cutBlock.offsetWidth;// 裁剪区域宽var cutHeight = _this.cutBlock.offsetHeight; // 裁剪区域高// left _this.resultX = Math.floor(Math.random() * (_this.imgWidth - cutWidth * 2 - 4) + cutWidth);// topvar cutTop = Math.floor(Math.random() * (_this.imgHeight - cutHeight * 2) + cutHeight);// 设置样式_this.cutBlock.style.cssText = "top:" + cutTop + "px;" + "left:" + _this.resultX + "px; display: block;";_this.slideBlock.style.top = cutTop + "px";_this.slideBlock.style.backgroundPosition = "-" + _this.resultX + "px -" + cutTop + "px";_this.slideBlock.style.opacity = "1";},mousedown: function (_this, e) {e.preventDefault();_this.startX = e.clientX;_this.startTamp = (new Date()).valueOf();var target = e.target;target.style.backgroundPosition = "0 -216px";_this.slideHint.style.opacity = "0";if(_this.isSuccess){_this.cutImg();}document.addEventListener('mousemove', mousemove);document.addEventListener('mouseup', mouseup);// 拖拽function mousemove(event) {_this.x = event.clientX - _this.startX;if (_this.x < 0) {_this.slideBtn.style.left = "0px";_this.slideBlock.style.left = "2px";} else if (_this.x >= 0 && _this.x <= 217) {_this.slideBtn.style.left = _this.x + "px";_this.slideBlock.style.left = _this.x + "px";} else {_this.slideBtn.style.left = "217px";_this.slideBlock.style.left = "217px";}_this.slideBtn.style.transition = "none";_this.slideBlock.style.transition = "none";};// 鼠标放开function mouseup() {document.removeEventListener('mousemove', mousemove);document.removeEventListener('mouseup', mouseup);var left = _this.slideBlock.style.left;left = parseInt(left.substring(0, left.length-2));if(_this.resultX > (left - 2) && _this.resultX < (left + 2)){_this.isSuccess = true;_this.endTamp = (new Date()).valueOf();_this.timer = ((_this.endTamp - _this.startTamp) / 1000).toFixed(1);// 裁剪图片(拼图的一块)_this.slideBlock.style.opacity = "0";_this.slideBlock.style.transition = "opacity 0.6s";// 裁剪的区域(黑黑的那一块)_this.cutBlock.style.opacity = "0";_this.cutBlock.style.transition = "opacity 0.6s";// 正确弹出的图标_this.slideIcon.style.backgroundPosition = "0 -1207px";_this.slideType.className = "slide-text-type greenColor";_this.slideType.innerHTML = "验证通过:";_this.slideContent.innerHTML = "用时" + _this.timer + "s";setTimeout(function(){_this.cutBlock.style.display = "none";_this.slideBlock.style.left = "2px";_this.reToNewImg();}, 600);_this.options.success&&_this.options.success();}else{_this.isSuccess = false;// 设置样式// 裁剪图片(拼图的一块)_this.slideBlock.style.left = "2px";_this.slideBlock.style.transition = "left 0.6s";// 错误弹出的图标_this.slideIcon.style.backgroundPosition = "0 -1229px";_this.slideType.className = "slide-text-type redColor";_this.slideType.innerHTML = "验证失败:";_this.slideContent.innerHTML = "拖动滑块将悬浮图像正确拼合";_this.options.fail&&_this.options.fail();}// 设置样式_this.slideHintInfo.style.height = "22px";setTimeout(function(){_this.slideHintInfo.style.height = "0px";}, 1300);_this.slideBtn.style.backgroundPosition = "0 -84px";_this.slideBtn.style.left = "0";_this.slideBtn.style.transition = "left 0.6s";_this.slideHint.style.opacity = "1";}}}window.SliderBar = SliderBar;}(window, document));
css就不放了
别人的有像拼图一样的凹凸， 那个我实在不知道怎么弄就算了。
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