废话不多说了，直接给大家贴代码了，具体代码所示：
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" /> <title>仿支付宝密码框-移动端测</title> <style type="text/css"> *{ margin: 0; padding: 0; } body { padding: 50px; } .clearfix:after { clear: both; } .clearfix:before, .clearfix:after { content: " "; display: table; } .alieditContainer { position: relative; } .sixDigitPassword { position: absolute; left: -222px; top: 0; width: 1000px; height: 26px; color: #fff; font-size: 12px; -webkit-box-sizing: content-box; box-sizing: content-box; -webkit-user-select: initial; outline: "none"; z-index: 999; opacity: 0; filter: alpha(opacity=0); } .sixDigitPassword-box { cursor: text; background: #fff; outline: none; position: relative; padding: 8px 0; height: 15px; border: 1px solid #cccccc; border-radius: 2px; } .sixDigitPassword-box i { float: left; display: block; padding: 4px 0; height: 7px; border-left: 1px solid #cccccc; } .sixDigitPassword-box .active { background: url("password-blink.gif") no-repeat center center; } .sixDigitPassword-box b { display: block; margin: 0 auto; width: 7px; height: 7px; overflow: hidden; visibility: hidden; background: url("passeord-dot.png") no-repeat; } .sixDigitPassword-box span { position: absolute; display: block; left: 0px; top: 0px; height: 30px; border: 1px solid rgba(82, 168, 236, .8); border: 1px solid #00ffff9; border-radius: 2px; visibility: hidden; -webkit-box-shadow: inset 0px 2px 2px rgba(0, 0, 0, 0.75), 0 0 8px rgba(82, 168, 236, 0.6); box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6); } .ui-securitycore .ui-form-item .ui-form-explain { margin-top: 8px; } .i-block { display: inline-block; } .six-password { position: relative; height: 33px; width: 182px; overflow: hidden; vertical-align: middle; } } </style> </head> <body> <form action="" method="post" name="payPassword" id="form_paypsw"> <div id="payPassword_container" class="alieditContainer clearfix" data-busy="0"> <label for="i_payPassword" class="i-block">支付密码：</label><br /> <div class="i-block" data-error="i_error"> <div class="i-block six-password"> <input class="i-text sixDigitPassword" id="payPassword_rsainput" type="tel" autocomplete="off" required="required" value="" name="payPassword_rsainput" data-role="sixDigitPassword" tabindex="" maxlength="6" minlength="6" aria-required="true"> <div tabindex="0" class="sixDigitPassword-box" style="width: 180px;"> <i style="width: 29px; border-color: transparent;" class=""><b style="visibility: hidden;"></b></i> <i style="width: 29px;"><b style="visibility: hidden;"></b></i> <i style="width: 29px;"><b style="visibility: hidden;"></b></i> <i style="width: 29px;"><b style="visibility: hidden;"></b></i> <i style="width: 29px;"><b style="visibility: hidden;"></b></i> <i style="width: 29px;"><b style="visibility: hidden;"></b></i> <span style="width: 29px; left: 0px; visibility: hidden;" id="cardwrap" data-role="cardwrap"></span> </div> </div> </div> </div> </form> <button class="passBtn" style="margin-top:20px;">确认</button> <script src="../js/jquery-2.1.0.js" type="text/javascript" charset="utf-8"></script> <script src="jquery-validate.js" type="text/javascript"></script> <script type="text/javascript"> var _formPay = $("#form_paypsw"); _formPay.validate({ rules: { "payPassword_rsainput": { "minlength": 6, "maxlength": 6, required: true, digits: true } } }); var payPassword = $("#payPassword_container"), _this = payPassword.find("i"), k = 0, j = 0, password = "", _cardwrap = $("#cardwrap"); //点击隐藏的input密码框,在6个显示的密码框的第一个框显示光标 payPassword.on("focus", "input[name="payPassword_rsainput"]", function() { var _this = payPassword.find("i"); if(payPassword.attr("data-busy") === "0") { //在第一个密码框中添加光标样式 _this.eq(k).addClass("active"); _cardwrap.css("visibility", "visible"); payPassword.attr("data-busy", "1"); } }); //change时去除输入框的高亮，用户再次输入密码时需再次点击 payPassword.on("change", "input[name="payPassword_rsainput"]", function() { _cardwrap.css("visibility", "hidden"); _this.eq(k).removeClass("active"); payPassword.attr("data-busy", "0"); }).on("blur", "input[name="payPassword_rsainput"]", function() { _cardwrap.css("visibility", "hidden"); _this.eq(k).removeClass("active"); payPassword.attr("data-busy", "0"); }); //使用keyup事件，绑定键盘上的数字按键和backspace按键 payPassword.on("keyup", "input[name="payPassword_rsainput"]", function(e) { var e = (e) ? e : window.event; //键盘上的数字键按下才可以输入 if(e.keyCode == 8 || (e.keyCode >= 48 && e.keyCode <= 57) || (e.keyCode >= 96 && e.keyCode <= 105)) { k = this.value.length; //输入框里面的密码长度 l = _this.size(); //6 for(; l--;) { //输入到第几个密码框，第几个密码框就显示高亮和光标（在输入框内有2个数字密码，第三个密码框要显示高亮和光标，之前的显示黑点后面的显示空白，输入和删除都一样） if(l === k) { _this.eq(l).addClass("active"); _this.eq(l).find("b").css("visibility", "hidden"); } else { _this.eq(l).removeClass("active"); _this.eq(l).find("b").css("visibility", l < k ? "visible" : "hidden"); } if(k === 6) { j = 5; } else { j = k; } $("#cardwrap").css("left", j * 30 + "px"); } } else { //输入其他字符，直接清空 var _val = this.value; this.value = _val.replace(/D/g, ""); } }); //获取密码 $(".passBtn").on("click", function() { var reg = new RegExp("^[0-9]*$");//验证数字 var pass = $("#payPassword_rsainput").val(); /*PC端测试：主键盘的数字对应的字符对应的keyCode相同，所以也可显示到框中。但是input中value没有数字，判断一下非空即可。 *移动端测试： *和#都可输入，需正则验证一下非法字符 * */ if(!pass){ alert("密码为空，请输入密码"); }else if(pass.length < 6){ alert("密码长度为6位"); }else if(!reg.test(pass)){ alert("密码含有非法字符，请重新输入"); }else{ alert(pass); } }); </script> </body> </html> 需要的资源：
1、jquery-2.1.0.js----版本不限
2、jquery-validate.js----插件
插件代码下载地址：http://xiazai.jb51.net/201709/yuanma/chajian_jb51.rar
效果图：
总结
以上所述是小编给大家介绍的html5仿支付宝密码框的实现代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网页设计网站的支持！
