html点击按钮弹出窗口如何实现?

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巨蟹座杏子
2019-10-29
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实现原理:display:none/block; 把代码直接复制看效果

<!DOCTYPE html>

<html lang="en">


<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <meta http-equiv="X-UA-Compatible" content="ie=edge">

    <title>Document</title>

    <style>

        * {

            padding: 0;

            margin: 0;

        }


        .firstBox h5 {

            font-size: 30px;

            color: #000;

            font-weight: 700;

        }


        .firstBox table {

            border: 1px solid #E6E6E6;

            margin: 15px 0px;

        }


        .firstBox table thead {

            background: #E6E6E6;

        }


        .firstBox table tr td {

            width: 150px;

            text-align: center;

        }


        .firstBox button {

            width: 100px;

            height: 40px;

            background: #E6E6E6;

            border: 1px solid #C7D3E6;

            text-align: center;

            line-height: 40px;

            font-size: 16px;

            color: #000;

            cursor: pointer;

        }


        #twoBox {

            margin: 20px 0px 0px;

            background: #E6E6E6;

            height: 250px;

            width: 310px;

            position: relative;

            display: none;

        }


        #twoBox .twoBox_lever {

            width: 290px;

            height: 230px;

            background: #fff;

            border: 1px solid #ccc;

            border-radius: 5px;

            position: absolute;

            right: 0;

            top: 0;

            left: 0;

            bottom: 0;

            margin: auto;

        }


        .twoBox_lever_two {

            width: calc(100% - 10px);

            height: calc(100% - 10px);

            padding: 5px;

        }


        .twoBox_lever_two .two_title {

            width: 100%;

            height: 40px;

            background: #E6E6E6;

            border: 1px solid #ccc;

            border-radius: 5px;

        }


        .twoBox_lever_two .two_title p {

            font-size: 16px;

            color: #000;

            line-height: 40px;

            padding-left: 10px;

            font-weight: 700;

        }


        .twoBox_lever_two form {

            width: calc(100% - 20px);

            margin: 10px;

            border-bottom: 1px solid #ccc;

            height: calc(100% - 100px);

        }


        .twoBox_lever_two form input {

            height: 20px;

            line-height: 20px;

            padding: 0px 10px;

            margin: 5px;

            cursor: pointer;

        }


        .twoBox_lever_two .two_footer {

            height: 40px;

            text-align: right;

            padding-right: 10px;

        }


        .twoBox_lever_two .two_footer button {

            height: 30px;

            background: #E6E6E6;

            border: 1px solid #C7D3E6;

            text-align: center;

            line-height: 30px;

            font-size: 16px;

            color: #000;

            cursor: pointer;

        }


        .twoBox_lever_two .two_footer button:first-of-type {

            width: 120px;

            padding: 0px 10px;

        }


        .twoBox_lever_two .two_footer button:last-of-type {

            width: 50px;

        }


        .show {

            display: block !important;

        }

    </style>

</head>

<body>

    <div style="margin:10px;">

        <!-- 第一部分 -->

        <div class="firstBox">

            <h5>已有的用户 :</h5>

            <table>

                <thead>

                    <tr>

                        <th>名字</th>

                        <th>邮箱</th>

                        <th>密码</th>

                    </tr>

                </thead>

                <tbody>

                    <tr>

                        <td>姓名</td>

                        <td>xingtuan@qq.com</td>

                        <td>xingtuan</td>

                    </tr>

                </tbody>

            </table>

            <button id="button">创建新用户</button>

        </div>

        <!-- 第二部分 -->

        <div id="twoBox">

            <div class="twoBox_lever">

                <div class="twoBox_lever_two">

                    <div class="two_title">

                        <p>创建新用户</p>

                    </div>

                    <form>

                        <label style="float:left">名字:

                            <input type="text" placeholder="请输入名字">

                        </label>

                        <label style="float:left">邮箱:

                            <input type="text" placeholder="请输入邮箱">

                        </label>

                        <label style="float:left">密码:

                            <input type="password" placeholder="请输入密码">

                        </label>

                    </form>

                    <div class="two_footer">

                        <button>创建一个用户</button>

                        <button>取消</button>

                    </div>

                </div>

            </div>

        </div>


    </div>

</body>

<script>

    window.onload = function () {

        document.getElementById("button").onclick = function () {

            document.getElementById("twoBox").classList.add("show")

        }

    }

</script>

</html>

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<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
* {
padding: 0;
margin: 0;
}

.firstBox h5 {
font-size: 30px;
color: #000;
font-weight: 700;
}

.firstBox table {
border: 1px solid #E6E6E6;
margin: 15px 0px;
}

.firstBox table thead {
background: #E6E6E6;
}

.firstBox table tr td {
width: 150px;
text-align: center;
}

.firstBox button {
width: 100px;
height: 40px;
background: #E6E6E6;
border: 1px solid #C7D3E6;
text-align: center;
line-height: 40px;
font-size: 16px;
color: #000;
cursor: pointer;
}

#twoBox {
margin: 20px 0px 0px;
background: #E6E6E6;
height: 250px;
width: 310px;
position: relative;
display: none;
}

#twoBox .twoBox_lever {
width: 290px;
height: 230px;
background: #fff;
border: 1px solid #ccc;
border-radius: 5px;
position: absolute;
right: 0;
top: 0;
left: 0;
bottom: 0;
margin: auto;
}

.twoBox_lever_two {
width: calc(100% - 10px);
height: calc(100% - 10px);
padding: 5px;
}

.twoBox_lever_two .two_title {
width: 100%;
height: 40px;
background: #E6E6E6;
border: 1px solid #ccc;
border-radius: 5px;
}

.twoBox_lever_two .two_title p {
font-size: 16px;
color: #000;
line-height: 40px;
padding-left: 10px;
font-weight: 700;
}

.twoBox_lever_two form {
width: calc(100% - 20px);
margin: 10px;
border-bottom: 1px solid #ccc;
height: calc(100% - 100px);
}

.twoBox_lever_two form input {
height: 20px;
line-height: 20px;
padding: 0px 10px;
margin: 5px;
cursor: pointer;
}

.twoBox_lever_two .two_footer {
height: 40px;
text-align: right;
padding-right: 10px;
}

.twoBox_lever_two .two_footer button {
height: 30px;
background: #E6E6E6;
border: 1px solid #C7D3E6;
text-align: center;
line-height: 30px;
font-size: 16px;
color: #000;
cursor: pointer;
}

.twoBox_lever_two .two_footer button:first-of-type {
width: 120px;
padding: 0px 10px;
}

.twoBox_lever_two .two_footer button:last-of-type {
width: 50px;
}

.show {
display: block !important;
}
</style>
</head>
<body>
<div style="margin:10px;">
<!-- 第一部分 -->
<div class="firstBox">
<h5>已有的用户 :</h5>
<table>
<thead>
<tr>
<th>名字</th>
<th>邮箱</th>
<th>密码</th>
</tr>
</thead>
<tbody>
<tr>
<td>姓名</td>
<td>xingtuan@qq.com</td>
<td>xingtuan</td>
</tr>
</tbody>
</table>
<button id="button">创建新用户</button>
</div>
<!-- 第二部分 -->
<div id="twoBox">
<div class="twoBox_lever">
<div class="twoBox_lever_two">
<div class="two_title">
<p>创建新用户</p>
</div>
<form>
<label style="float:left">名字:
<input type="text" placeholder="请输入名字">
</label>
<label style="float:left">邮箱:
<input type="text" placeholder="请输入邮箱">
</label>
<label style="float:left">密码:
<input type="password" placeholder="请输入密码">
</label>
</form>
<div class="two_footer">
<button>创建一个用户</button>
<button>取消</button>
</div>
</div>
</div>
</div>

</div>
</body>
<script>
window.onload = function () {
document.getElementById("button").onclick = function () {
document.getElementById("twoBox").classList.add("show")
}
}
</script>
</html>
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2019-10-29
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弹出框 我一般用的都是 layui 前端框架 去官网下载 放到本地 

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2019-10-29
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