在data-files属性中显示复选框值

var checkboxContainer = document.getElementById("checkboxContainer");
var dataFilesValue = checkboxContainer.getAttribute("data-files");

<div id="checkboxContainer" data-files="file1,file2,file3">
  <!-- 复选框将在这里显示 -->
</div>

<script>
  var checkboxContainer = document.getElementById("checkboxContainer");
  var dataFilesValue = checkboxContainer.getAttribute("data-files");
  var filesArray = dataFilesValue.split(","); // 使用逗号分割字符串

  for (var i = 0; i < filesArray.length; i++) {
    var checkbox = document.createElement("input");
    checkbox.type = "checkbox";
    checkbox.value = filesArray[i];
    checkboxContainer.appendChild(checkbox);

    var label = document.createElement("label");
    label.innerHTML = filesArray[i];
    checkboxContainer.appendChild(label);
  }
</script>