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首页 / 脚本样式 / JavaScript / jQuery实现的指纹扫描效果实例(附演示与demo源码下载)

本文实例讲述了jQuery实现的指纹扫描效果。分享给大家供大家参考,具体如下:
运行效果截图如下:

点击此处查看在线演示效果。
具体代码如下:
<!DOCTYPE html><html><head><meta charset="UTF-8" /><title>demo</title><style type="text/css">body {background:black;}.dialog {width:300px; height:300px; position:fixed; left:50%; margin-left:-150px; border:2px dashed green;top:50px;}.dialog .shape {background:black; width:300px; height:300px; z-index:1;}.dialog .eye {width:200px; height:200px; position:absolute; left:50px; top:50px;z-index:2;}#container {position:relative;}.line {position:absolute; left:0px; top:0px; font-size:0px; z-index:10;background:green;}.btnGroup {text-align:center;}.btnGroup button {width:50px; height:40px; }.dialog.output {top:400px; display:none;}#power {border:1px solid green; position:fixed; right:20px; bottom:20px;color:green; line-height:50px; font-size:30px; }.title {line-height:50px; font-size:25px; color:#8F8383; text-shadow:0px 0px 3px green;text-align:center;}</style></head><body><div class="dialog"><div id="container"><div class="shape"></div><img src="finger.png" class="eye" /></div><div class="btnGroup"><button id="vSee">竖向扫描</button><button id="hSee">横向扫描</button><button id="bSee">双向扫描</button><button id="dSee">深度扫描</button></div></div><div class="dialog output" id="outputContainer"><img src="finger.png" class="eye" /></div></body><script type="text/javascript" src="jquery.js"></script><script type="text/javascript">var container = $("#container");var outputContainer = $("#outputContainer");function Line(type) {var self = this;self.type = type || "V";var body = $("<div class="line"></div>");switch(this.type) {case "V": // 竖直body.css({"width": "1px","height": "300px"});break;case "H": // 水平body.css({"width": "300px","height": "1px"});break;}container.append(body);self.body = body;self.direct = self.type === "V" ? "R" : "B";self.run = function() {switch(self.direct) {case "L":self.body.animate({"left":0}, 1000, null, function() {self.direct = "R";self.run();});break;case "R":self.body.animate({"left":300}, 1000, null, function() {self.direct = "L";self.run();});break;case "T":self.body.animate({"top":0}, 1000, null, function() {self.direct = "B";self.run();});break;case "B":self.body.animate({"top":300}, 1000, null, function() {self.direct = "T";self.run();});break;}}self.run();}var lineArray = [];function output(type, time, opactiy) {time = time || 2000;var initHeight = type === "H" ? 0 : 300;var initWidth = type === "H" ? 300 : 0;type === "B" && (initHeight = initWidth = 0);outputContainer.css({"height": initHeight,"width": initWidth,"display": "block","opacity": opactiy || 1});outputContainer.animate({"height":300, "width":300}, time, null);}function clear() {for(var i=0, len=lineArray.length; i<len; i++) {var line = lineArray[i];line.body.stop().remove();}container.find(".line").remove();outputContainer.stop().css({"display": "none", "opacity": 0});}$("#hSee").click(function() {clear();lineArray.push(new Line("H"));output("H", null, 0.5);});$("#vSee").click(function() {clear();lineArray.push(new Line("V"));output("V", null, 0.5);});$("#bSee").click(function() {clear();lineArray.push(new Line("H"), new Line("V"));output("B", 3500, 0.8);});$("#dSee").click(function() {clear();for(var i=0; i<5; i++) {(function(index) {setTimeout(function() {lineArray.push(new Line("H"), new Line("V"));}, index*200);})(i);}output("B", 5000, 1.0);});</script></html>
完整实例代码点击此处本站下载。
更多关于jQuery特效相关内容感兴趣的读者可查看本站专题:《jQuery动画与特效用法总结》及《jQuery常见经典特效汇总》
希望本文所述对大家jQuery程序设计有所帮助。