【问题标题】:CSS/Bootstrap/HTML issues sizing image and code improvements?CSS/Bootstrap/HTML 问题大小图像和代码改进?
【发布时间】:2020-09-10 01:26:48
【问题描述】:

我对 CSS/Bootstrap 还很陌生,可以寻求专业人士的帮助。 我的问题是我无法获得适合 div 确切尺寸的图像,如果我设置实际的 IMG 标签高度和宽度,它会全部失真,基本上我想要一个漂亮的缩略图。目标是让用户上传,因此图像将是所有不同尺寸的横向/纵向。如果您看到我附加的图像,我喜欢我的 Windows 邮件如何裁剪图像以适合“div”并放大中心或其他东西。见图片。 https://publicadamwebgis.s3.us-east-2.amazonaws.com/Capture2.JPG 这也适用于大约 375 像素的移动视图。 请参阅 jsfiddlle 代码。这里的 JSFiddle 并不能很好地工作。链接效果更好。

https://jsfiddle.net/dfmrjqs1/

    .RestrauantMainLi{
    border: 1px solid rgb(155, 155, 155);
    border-radius: 5px;
    margin-bottom: 25px;
    height: 140px;
    transition: all 200ms ease-out;
    }

    .RestrauantLiIcons{       
    display: flex;
    justify-content: space-between;
    }

    .progress {
	display: -ms-flexbox;
	display: flex;
	height: 0.5rem;
	overflow: hidden;
	font-size: .75rem;
	background-color: white;
	border-radius: .25rem;
	margin-top: 6px;
	width:inherit;
	padding-left: 2px;
	padding-right: 2px;
	}

	.progressbar1 {
	color:hotpink;
	border-radius: 5px;
	}

	.percentbox{
	float:left;
	height: 25px;
	width: 18%;
	background-color:#a9b1b1;
	padding-left: 0px;
	padding-right: 0px;
	padding-top: 2px;
	font-size: 10pt;
	text-align: center;
	color: white;
	border-radius: 5px;
	}
	.statusbox{
	height: 25px;
	padding-left: 0px;
	padding-right: 0px;
	border-radius: 5px;
	width: auto;
	padding-top: 3px;
	}

    .RestrauantMainListyle2{
    height: inherit;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    }

    .RestrauantMainThumbnailContainer{
    height:inherit;
    width:160px;
    }

    .RestrauantMainThumbnail{
    max-height: 100%;
    max-width: 100%;
    }
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" rel="stylesheet" />
<link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
<script src="https://kit.fontawesome.com/3590d6dbc0.js"></script>



<body>
<div class = 'container RestrauantMainLi'>
    <div class ='row' style = 'height: inherit;'>
        <div class = 'col-7 RestrauantMainListyle2'>
            <div class='row'>
                <div class = 'col-10'>
                    Jets Pizza 
                </div>
                <div class = 'col-2'>
                    <i class='fas fa-info-circle'></i>
                </div>
            </div>
            <div class='row'>
                <div class = 'col-6'>Chines</div>
                <div class = 'col-6'>$$</div>
            </div>
            <div class= 'RestrauantLiIcons'>
                <i class='far fa-thumbs-up'>34</i>
                <i class='far fa-thumbs-down'>23</i>
                <i class='far fa-comments'>23</i>
                <i class='fas fa-route'></i>
            </div>
            <div>
                <div class='container percentbox'>5</div>
                <div class='container statusbox'>
                    <div class='container progress'>
                    <div class='progress-bar bg-success progressbar1' style='width:80%'></div>
                    <div class='progress-bar bg-danger progressbar1' style='width:50%'></div>
                    </div>
                </div>
            </div>
            <div class ='row' style = 'justify-content: center' >
                <i class="fas fa-chevron-down"></i>
            </div>
        </div>
        <div class = 'col-5 RestrauantMainThumbnailContainer'>
            <img src = 'https://publicadamwebgis.s3.us-east-2.amazonaws.com/IMG_9249.jpg'class="img-thumbnail RestrauantMainThumbnail">
        </div>
    </div>
</div>
    
</body>
</html>

我什至不知道我的 CSS 代码或 html 是否正确完成。任何有助于改进我的代码或解决任何问题的帮助,将不胜感激。 谢谢!

【问题讨论】:

    标签: css image bootstrap-4


    【解决方案1】:

    我希望这是你想要的输出。我修改了img.RestrauantMainThumbnail CSS。我添加了 img 是为了指定更高的 CSS 选择器特异性来覆盖 height 属性的 bootstrap-4 中的类 img-thumbnail

    img.RestrauantMainThumbnail {
      /* change from max-width to width */
      width: 100%;
      /* change from max-height to height */
      height: 100%;
      /* Add object-fit to specify how the contents of a replaced element should be fitted to the box */
      object-fit: fill; /* values: contain / cover / ... */
    }
    

    .RestrauantMainLi {
      border: 1px solid rgb(155, 155, 155);
      border-radius: 5px;
      margin-bottom: 25px;
      height: 140px;
      transition: all 200ms ease-out;
    }
    
    .RestrauantLiIcons {
      display: flex;
      justify-content: space-between;
    }
    
    .progress {
      display: -ms-flexbox;
      display: flex;
      height: 0.5rem;
      overflow: hidden;
      font-size: .75rem;
      background-color: white;
      border-radius: .25rem;
      margin-top: 6px;
      width: inherit;
      padding-left: 2px;
      padding-right: 2px;
    }
    
    .progressbar1 {
      color: hotpink;
      border-radius: 5px;
    }
    
    .percentbox {
      float: left;
      height: 25px;
      width: 18%;
      background-color: #a9b1b1;
      padding-left: 0px;
      padding-right: 0px;
      padding-top: 2px;
      font-size: 10pt;
      text-align: center;
      color: white;
      border-radius: 5px;
    }
    
    .statusbox {
      height: 25px;
      padding-left: 0px;
      padding-right: 0px;
      border-radius: 5px;
      width: auto;
      padding-top: 3px;
    }
    
    .RestrauantMainListyle2 {
      height: inherit;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    
    .RestrauantMainThumbnailContainer {
      height: inherit;
    }
    
    img.RestrauantMainThumbnail {
      /* change from max-width to width */
      width: 100%;
      /* change from max-height to height */
      height: 100%;
      /* Add object-fit to specify how the contents of a replaced element should be fitted to the box */
      object-fit: fill; /* values: contain / cover / ... */
    }
    <link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
    <script src="https://kit.fontawesome.com/3590d6dbc0.js"></script>
    
    <div class='container RestrauantMainLi'>
      <div class='row' style='height: inherit;'>
        <div class='col-7 RestrauantMainListyle2'>
          <div class='row'>
            <div class='col-10'>
              Jets Pizza
            </div>
            <div class='col-2'>
              <i class='fas fa-info-circle'></i>
            </div>
          </div>
          <div class='row'>
            <div class='col-6'>Chines</div>
            <div class='col-6'>$$</div>
          </div>
          <div class='RestrauantLiIcons'>
            <i class='far fa-thumbs-up'>34</i>
            <i class='far fa-thumbs-down'>23</i>
            <i class='far fa-comments'>23</i>
            <i class='fas fa-route'></i>
          </div>
          <div>
            <div class='container percentbox'>5</div>
            <div class='container statusbox'>
              <div class='container progress'>
                <div class='progress-bar bg-success progressbar1' style='width:80%'></div>
                <div class='progress-bar bg-danger progressbar1' style='width:50%'></div>
              </div>
            </div>
          </div>
          <div class='row' style='justify-content: center'>
            <i class="fas fa-chevron-down"></i>
          </div>
        </div>
        <div class='col-5 RestrauantMainThumbnailContainer' style="border: thin solid orange">
          <img src='https://publicadamwebgis.s3.us-east-2.amazonaws.com/IMG_9249.jpg' class="img-thumbnail RestrauantMainThumbnail">
        </div>
      </div>
    </div>

    【讨论】:

    • 好人,这对我有用。我看到 object-fit: fill 属性是我要找的那个。非常感谢!
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