纯HTML+CSS+JS实现弹窗表单功能

  • 全部代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            padding: 0;
            margin: 0;
        }
        .dialog_outter {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .dialog_wrapper {
            width: 400px;
            background: #fff;
            border: 1px solid #f0f0f0;
            border-radius: 10px;
            padding: 10px;
            position: relative;
            box-sizing: border-box;
        }

        .dialog_close_btn {
            position: absolute;
            right: 20px;
            top: 10px;
            cursor: pointer;
        }

        .dialog_title {
            font-size: 18px;
            font-weight: 500;
            text-align: center;
        }

        .dialog_content {
            padding: 20px;
            box-sizing: border-box;
            text-align: center;
        }

        .dialog_btn_group {
            display: flex;
            justify-content: flex-end;
        }

        .btn_confirm {
            background-color: Blue;
            color: #fff;
            padding: 5px 10px;
            border: 1px solid blue;
            border-radius: 4px;
            margin-right: 10px;
            cursor: pointer;
        }

        .btn_cancel {
            background-color: #fff;
            padding: 5px 10px;
            border: 1px solid #000;
            border-radius: 4px;
            margin-right: 10px;
            cursor: pointer;
        }

        .form_item span {
            display: inline-block;
            width: 100px;
        }

        .form_item input{
            width: 200px;
            height: 25px;
            line-height: 25px;
            outline: none;
            border-radius: 5px;
        }

        .form_item {
            margin-bottom: 10px;
        }

        .form_item:last-child {
            margin-bottom: 0;
        }

        .overlap {
            background: #000;
            opacity: 0.6;
            width: 100%;
            height: 100%;
            display: none;
            position: absolute;
        }
    </style>
</head>
<body>
<div class="overlap"></div>
<div onclick="handleClick()">点击显示弹窗</div>
<div class="dialog_outter"></div>
<script>
    let dialog_outter = document.querySelector(".dialog_outter")
    let overlap = document.querySelector(".overlap")
    const dialog_html_str = '<div class="dialog_wrapper">' +
        '<div class="dialog_close_btn" onclick="closeDialog()">X</div>' +
        '<div class="dialog_title">标题</div>' +
        '<div class="dialog_content">' +
        '<div class="form_item">' +
        '<span>姓名:</span>' +
        '<input type="text" name="name" placeholder="请输入姓名...">' +
        '</div>' +
        '<div class="form_item">' +
        '<span>家庭住址:</span>' +
        '<input type="text" name="name">'+
        '</div>'+
        '<div class="form_item">'+
        '<span>联系电话:</span>'+
        '<input type="text" name="name">'+
        '</div>' +
        '</div>' +
        '<div class="dialog_btn_group">' +
        '<div class="btn_confirm">确定</div>' +
        '<div class="btn_cancel" onclick="closeDialog()">取消</div>' +
        '</div>' +
        '</div>'
    function handleClick() {
        overlap.style.display = "block";
        let fg = document.createRange().createContextualFragment(dialog_html_str)
        dialog_outter.appendChild(fg)
    }

    function closeDialog() {
        overlap.style.display = "none";
        let dialog = document.querySelector(".dialog_wrapper");
        dialog.remove(1);
    }
</script>
</body>
</html>
  • 实现效果

image.png
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