点击按钮弹出模态框实现_怎么函数通过点击图片显示模态框

作者：很楠不爱3 | 2024-02-20 00:35:32

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怎么函数通过点击图片显示模态框

点击按钮弹出模态框的实现：

html：


<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
	<title>模态框</title>
	<link rel="stylesheet" type="text/css" href="modalBox.css">
</head>
<body>
    <!-- 触发按钮 -->
    <button id="triggerBtn">模态框</button>
    <!-- 模态框 -->
    <div id="myModal" class="modal">
        <div class="modal-content">
            <div class="modal-header">
                <h2>头部</h2>
                <span id="closeBtn" class="close">×</span>
            </div>
            <div class="modal-body">
                <p>这是一个模态框！</p>
                <p>喜欢就点个赞吧！</p>
            </div>
            <div class="modal-footer">
                <h3>尾部</h3>
            </div>
        </div>
    </div>
<script type="text/javascript" src="modalBox.js"></script>
</body>
</html>

js：


(function() {
	/*建立模态框对象*/
	var modalBox = {};
	/*获取模态框*/
	modalBox.modal = document.getElementById("myModal");
    /*获得trigger按钮*/
	modalBox.triggerBtn = document.getElementById("triggerBtn");
    /*获得关闭按钮*/
	modalBox.closeBtn = document.getElementById("closeBtn");
	/*模态框显示*/
	modalBox.show = function() {
		console.log(this.modal);
		this.modal.style.display = "block";
	}
	/*模态框关闭*/
	modalBox.close = function() {
		this.modal.style.display = "none";
	}
	/*当用户点击模态框内容之外的区域，模态框也会关闭*/
	modalBox.outsideClick = function() {
		var modal = this.modal;
		window.onclick = function(event) {
            if(event.target == modal) {
            	modal.style.display = "none";
            }
		}
	}
    /*模态框初始化*/
	modalBox.init = function() {
		var that = this;
		this.triggerBtn.onclick = function() {
            that.show();
		}
		this.closeBtn.onclick = function() {
			that.close();
		}
		this.outsideClick();
	}
	modalBox.init();
 
})();

css：


/*模态框*/
.modal {
    display: none; /* 默认隐藏 */
    position: fixed; /* 根据浏览器定位 */
    z-index: 1; /* 放在顶部 */
    left: 0;
    top: 0;
    width: 100%; /* 全宽 */
    height: 100%; /* 全高 */
    overflow: auto; /* 允许滚动 */
    background-color: rgba(0,0,0,0.4); /* 背景色 */
}
/*模态框内容*/
.modal-content {
    display: flex; /*采用flexbox布局*/
    flex-direction: column; /*垂直排列*/
    position: relative;
    background-color: #fefefe;
    margin: 15% auto; /*距顶部15% 水平居中*/
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    animation: topDown 0.4s; /*自定义动画，从模态框内容上到下出现*/
}
@keyframes topDown {
    from {top: -300px; opacity: 0}
    to {top: 0; opacity: 1}
}
/*模态框头部*/
.modal-header {
    display: flex; /*采用flexbox布局*/
    flex-direction: row; /*水平布局*/
    align-items: center; /*内容垂直居中*/
    justify-content: space-between; 
}
/*关闭X 样式*/
.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}
.close:hover {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

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