兼容ie8上传图片回显

时间:2022-08-29 18:35:09
<!DOCTYPE html>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
  <style type="text/css">
  #preview,
  .img,
  img {
    width: 200px;
    height: 200px;
  }
  
  #preview {
    border: 1px solid #000;
  }
  </style>
</head>


<body>
  <div id="preview"></div>
  <input type="file" onchange="preview(this)" />
  <script type="text/javascript">
  function preview(file) {
    var prevDiv = document.getElementById('preview');
    if (file.files && file.files[0]) {
      var reader = new FileReader();
      reader.onload = function(evt) {
        prevDiv.innerHTML = '<img src="' + evt.target.result + '" />';
      }
      reader.readAsDataURL(file.files[0]);
    } else {
      prevDiv.innerHTML = '<div class="img" style="filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale,src=\'' + file.value + '\'"></div>';
    }
  }
  </script>
</body>
</html>