由于项目需要，做了一个超级简单的弹出框，一打开页面就弹出弹出框。由于项目总监说要尽量小（少引入封装的文件包），所以采用原生js（发现网上基本上都是用jQuery做的），话不多说，上代码吧
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<title>登录确定提醒</title>
<style>
html,
body {
margin: 0;
padding: 0;
font-family: "微软雅黑";
}
.wrap-dialog {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
font-size: 16px;
text-align: center;
background-color: rgba(0, 0, 0, .7);
z-index: 999;
}
.dialog {
top: 0;
left: 0;
position: relative;
/*margin: 10% auto;*/
width: 300px;
background-color: #FFFFFF;
border-radius: 2px;
}
.dialog .dialog-header {
height: 20px;
padding: 10px;
background-color: #F8F8F8;
border-bottom: 1px solid #eee;
text-align: left;
}
.dialog-title{
display: inline-block;
width: 50px;
margin-left: 0;
}
.dialog .dialog-body {
height: 30px;
padding: 20px;
}
.dialog .dialog-footer {
padding: 8px;
background-color: #f5f5f5;
}
.dialog-btn {
cursor: pointer;
background: #ff5622;
border: 1px solid #ff5622;
border-radius: 2px;
color: #fff;
height: 28px;
line-height: 28px;
margin: 5px 5px 0;
padding:0 25px;
}
.dialog-hide {
display: none;
}
.dialog-ml50 {
margin-left: 50px;
background: #fcfbfc;
color: #000;
border: 1px solid #dedede;
}
.closeBtn{
display: inline-block;
width: 20px;
height: 20px;
padding: 10px;
line-height: 20px;
text-align: center;
/*background: red;*/
color: #333;
font-size: 12px;
float: right;
cursor:pointer;
font-weight: bolder;
}
.closeBtn:hover{
color: #A0A8B4;
}
</style>
</head>
<body>
<div class="wrap-dialog dialog-hide" id="dialog-hide">
<div class="dialog" id="dialog">
<a class="closeBtn" id="closeBtn">X</a>
<div class="dialog-header">
<span class="dialog-title">提示</span>
</div>
<div class="dialog-body">
<span class="dialog-message" id="dialog-message">是否要退出登录？</span>
</div>
<div class="dialog-footer">
<input type="button" class="dialog-btn" id="dialog-confirm" value="是" />
<input type="button" class="dialog-btn dialog-ml50" id="dialog-cancel" value="否" />
</div>
</div>
</div>
</body>
<script>
window.onload=function(){
var choose=function(id){
return document.getElementById(id);
}
//自定義部分
window.confirm = function(message, yesCallBack, noCallBack) {
var message = message || "是否要退出登录?";
choose("dialog-message").innerHTML = message;
// 显示遮罩和对话框
choose("dialog-hide").className = "wrap-dialog";
// 确定按钮
choose("dialog").onclick= function(e){
if(e.target.className=="dialog-btn"){
choose("dialog-hide").className = "wrap-dialog dialog-hide";
yesCallBack();
}else if (e.target.className=="dialog-btn dialog-ml50"){
choose("dialog-hide").className = "wrap-dialog dialog-hide";
noCallBack();
}
};
// 取消按钮
choose("closeBtn").onclick = function(){
choose("dialog-hide").style.display = "none";
}
}
function submitHand(){
function submitBtn() {
alert("确定");
}
function closeBtn() {
alert("取消");
}
confirm("确认登录？", submitBtn, closeBtn);
}
//页面打开自动弹出
submitHand();
}
</script>
</html>实现效果：
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