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这篇文章将为大家详细讲解有关JS如何实现仿微信支付弹窗功能,小编觉得挺实用的,因此分享给大家做个参考,希望大家阅读完这篇文章后可以有所收获。
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先奉上效果图
html代码
仿手机微信支付输入密码界面效果
css
body { margin: 0; padding: 0; font-size: 0.3rem; font-family: "微软雅黑", arial; } ul, li { margin: 0; padding: 0; list-style: none; } img { display: block; } #myBtn { display: block; width: 80%; height: auto; margin: 5rem auto; padding: 0.2rem; border-radius: 5px; border: 0; outline: none; font-family: "微软雅黑"; color: #fff; background-color: #5CB85C; } /* 弹窗 */ .modal { display: none; /* 默认隐藏 */ position: fixed; z-index: 1; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0.4); -webkit-animation-name: fadeIn; -webkit-animation-duration: 0.4s; animation-name: fadeIn; animation-duration: 0.4s } /* 弹窗内容 */ .modal-content { position: fixed; bottom: 0; /*background-color: #fefefe;*/ width: 100%; -webkit-animation-name: slideIn; -webkit-animation-duration: 0.4s; animation-name: slideIn; animation-duration: 0.4s } /** * 支付弹窗样式 * **/ .paymentArea-Entry { width: 90%; margin: 0 auto; padding-bottom: 0.3rem; background-color: #fff; } .paymentArea-Entry-Head { display: flex; display: -webkit-flex; height: 0.8rem; line-height: 0.8rem; padding: 0.2rem; border-bottom: 1px solid #5CB85C; } /* 关闭按钮 */ .paymentArea-Entry-Head .close { width: 0.5rem; height: 0.5rem; padding: 0.15rem 0.15rem 0.15rem 0; } .paymentArea-Entry-Head .close:hover, .paymentArea-Entry-Head .close:focus { color: #000; text-decoration: none; cursor: pointer; } .paymentArea-Entry-Head .useImg { width: 0.8rem; height: 0.8rem; margin-right: 0.15rem; } .paymentArea-Entry-Head .tips-txt { font-size: 0.4rem; } .paymentArea-Entry-Content { position: relative; padding: 0.2rem 0; text-align: center; } .paymentArea-Entry-Content:after { content: ""; position: absolute; bottom: 0; left: 0.3rem; right: 0.3rem; height: 1px; background-color: #ddd; } .paymentArea-Entry-Content .pay-name { font-size: 0.3rem; } .paymentArea-Entry-Content .pay-price { font-size: 0.4rem; font-weight: bold; } ul.paymentArea-Entry-Row { display: flex; display: -webkit-flex; justify-content: space-between; margin: 0.2rem 0.3rem 0 0.3rem; padding: 0; border: 1px solid #a2a2a2; } ul.paymentArea-Entry-Row li { position: relative; flex-grow: 1; min-width: 1rem; height: 0.8rem; line-height: 0.8rem; text-align: center; border-right: 1px solid #ddd; } ul.paymentArea-Entry-Row li:last-child { border-right: 0; } ul.paymentArea-Entry-Row li img { position: absolute; top: 50%; left: 50%; width: 0.5rem; height: 0.5rem; margin: -0.25rem 0 0 -0.25rem; } .paymentArea-Keyboard { margin-top: 1.2rem; background-color: #fff; } .paymentArea-Keyboard h5 { height: 0.5rem; line-height: 0.5rem; margin: 0; text-align: center; } .paymentArea-Keyboard h5 img { width: 0.93rem; height: 0.32rem; margin: 0 auto; } .paymentArea-Keyboard h5:active { background-color: #e3e3e3; } .paymentArea-Keyboard ul { border-top: 1px solid #ddd; } .paymentArea-Keyboard li { display: flex; display: -webkit-flex; justify-content: space-between; border-bottom: 1px solid #ddd; } .paymentArea-Keyboard li a { flex-grow: 1; display: block; min-width: 1rem; line-height: 1rem; border-right: 1px solid #ddd; font-size: 0.3rem; text-align: center; text-decoration: none; color: #000; } .paymentArea-Keyboard li:last-child, .paymentArea-Keyboard li a:last-child { border: 0; } .paymentArea-Keyboard li a:active { outline: none; background-color: #ddd; } /* 添加动画 */ @-webkit-keyframes slideIn { from { bottom: -300px; opacity: 0 } to { bottom: 0; opacity: 1 } } @keyframes slideIn { from { bottom: -300px; opacity: 0 } to { bottom: 0; opacity: 1 } } @-webkit-keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } } @keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
js
//定义根目录字体大小,通过rem实现适配
document.addEventListener("DOMContentLoaded", function() {
var html = document.documentElement;
var windowWidth = html.clientWidth;
//console.log(windowWidth)
html.style.fontSize = windowWidth / 7.5 + "px";
}, false);
// 获取弹窗
var modal = document.getElementById('myModal');
// 打开弹窗的按钮对象
var btn = document.getElementById("myBtn");
// 获取 元素,用于关闭弹窗 that closes the modal
var span = document.getElementsByClassName("close")[0];
/*创建密码输入框*/
var entryArea = document.querySelector(".paymentArea-Entry-Row");
for(var i = 0; i < 6; i++) {
var li = document.createElement("li");
entryArea.appendChild(li);
}
/*键盘操作*/
var doms = document.querySelectorAll('ul li a');
var entryLis = document.querySelectorAll(".paymentArea-Entry-Row li");
var pwds = ""; //存储密码
var count = 0; //记录点击次数
for(var i = 0; i < doms.length; i++) {
! function(dom, index) {
dom.addEventListener('click', function() {
var txt = this.innerHTML;
switch(txt) {
case "清空":
if(count != 0) {
for(var i = 0; i < entryLis.length; i++) {
entryLis[i].innerHTML = "";
}
pwds = "";
count = 0;
console.log(pwds)
console.log(count)
}
break;
case "删除":
if(count != 0) {
console.log(pwds)
entryLis[count - 1].innerHTML = "";
pwds = pwds.substring(0, pwds.length - 1);
count--;
console.log(pwds)
console.log(count)
}
break;
default:
/*通过判断点击次数 向输入框填充内容*/
if(count < 6) {
/*创建一个图片对象 插入到方框中*/
var img = new Image();
img.src = "images/dd_03.jpg";
entryLis[count].appendChild(img);
/*为存储密码的对象赋值*/
if(pwds == "") {
pwds = txt;
} else {
pwds += txt;
}
count++;
if(pwds.length == 6) {
location.href = "https://www.baidu.com";
}
} else {
return;
alert("超出限制")
}
}
});
}(doms[i], i);
}
// 点击按钮打开弹窗
btn.onclick = function() {
modal.style.display = "block";
}
// 点击 (x), 关闭弹窗
span.onclick = function() {
modal.style.display = "none";
if(count != 0) {
for(var i = 0; i < entryLis.length; i++) {
entryLis[i].innerHTML = "";
}
pwds = "";
count = 0;
}
}
// 在用户点击其他地方时,关闭弹窗
window.onclick = function(event) {
if(event.target == modal) {
modal.style.display = "none";
if(count != 0) {
for(var i = 0; i < entryLis.length; i++) {
entryLis[i].innerHTML = "";
}
pwds = "";
count = 0;
}
}
}
/*开关键盘*/
var openKey = document.querySelector(".paymentArea-Entry-Row");
var switchOfKey = document.querySelector(".paymentArea-Keyboard h5");
switchOfKey.addEventListener('click', function() {
var KeyboardH = document.querySelector(".paymentArea-Keyboard").clientHeight;
document.querySelector(".paymentArea-Keyboard").style.height = KeyboardH + "px";
document.querySelector(".paymentArea-Keyboard").style.backgroundColor = "transparent";
document.querySelector(".paymentArea-Keyboard h5").style.display = "none";
document.querySelector(".paymentArea-Keyboard ul").style.display = "none";
})
openKey.addEventListener('click', function() {
document.querySelector(".paymentArea-Keyboard").style.backgroundColor = "#fff";
document.querySelector(".paymentArea-Keyboard h5").style.display = "block";
document.querySelector(".paymentArea-Keyboard ul").style.display = "block";
})
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