Question

我有自定义int array[3] = { 1, 2, 3}; int *ptr = array;。我希望每个单元格中的计时器标签每秒都减少。我已提到this链接。唯一的问题是我无法更改Label的文本。如果我在控制台中打印它，价值就会好起来。如何在自定义单元格类中更改单元格的值后重新加载TableViewCell？我是自定义TableView单元格的新手，请大家帮忙。我也提到了this链接。

TableView

Answer 1

您需要为标签分配更新时间值。

<head>
    <base target="_blank">
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Focallocal Uploader</title>
    <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.97.5/css/materialize.min.css">
  <div align="center">
    <p><img src="http://news.focallocal.org/wp-content/uploads/2015/03/FOCALLOCAL-Website-Text-Header.png" width="80%"></p> 
  </div> 
</head>

<body>


  <div id="formcontainer" width="50%">

    <label for="myForm">Focallocal Community G.Drive Uploader</label>

  <br>

  <br>
    <form id="myForm" width="50%"> 
      <label for="myForm">Details</label>
      <div>
        <input type="text" name="Name" placeholder="your name">
      </div>
      <div>
        <input type="text" name="gathering" placeholder="which fabulous Positive Action you're sending us">
      </div>
      <div>
        <input type="text" name="location" placeholder="the town/village/city and country month brightend by positivity">
      </div>
      <div>
        <input type="text" name="date" placeholder="date of the beautiful action">
      </div>
      <div  width="100%" height="200px">

      <label for="fileText">would you like to leave a short quote?</label>

          <TEXTAREA name="Quote" 
          placeholder="many people would love to share in your experience. if you have more than a sentence or two to write, why not writing an article the Community News section of our website?"         
          ></TEXTAREA>


      </div> 
      <br>


      <br>

      <label for="myFile">Upload Your Files:</label>
      <br>


      <input type="file" name="filename" id="myFile" multiple>

      <input type="button" value="Submit" onclick="iteratorFileUpload();">



    </form>
  </div>

  <div id="output"></div>
<div id="progressbar">
    <div class="progress-label"></div>   


</div>

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/themes/smoothness/jquery-ui.css">
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/jquery-ui.min.js"></script>
<script>

var numUploads = {};
numUploads.done = 0;
numUploads.total = 0;

// Upload the files into a folder in drive
// This is set to send them all to one folder (specificed in the .gs file)
function iteratorFileUpload() {
    var allFiles = document.getElementById('myFile').files;

    if (allFiles.length == 0) {
        alert('No file selected!');
    } else {
        //Show Progress Bar

        numUploads.total = allFiles.length;
        $('#progressbar').progressbar({
        value : false
        });//.append("<div class='caption'>37%</div>");
        $(".progress-label").html('Preparing files for upload');
        // Send each file at a time
        for (var i = 0; i < allFiles.length; i++) {
            console.log(i);
            sendFileToDrive(allFiles[i]);
        }
    }
}

function sendFileToDrive(file) {
    var reader = new FileReader();
    reader.onload = function (e) {
        var content = reader.result;
        console.log('Sending ' + file.name);
        var currFolder = 'Something';
        google.script.run.withSuccessHandler(updateProgressbar).uploadFileToDrive(content, file.name, currFolder);
    }
    reader.readAsDataURL(file);
}

function updateProgressbar( idUpdate ){
   console.log('Received: ' + idUpdate);
   numUploads.done++;
   var porc = Math.ceil((numUploads.done / numUploads.total)*100);
   $("#progressbar").progressbar({value: porc });
   $(".progress-label").text(numUploads.done +'/'+ numUploads.total);
   if( numUploads.done == numUploads.total ){
      //uploadsFinished();
      numUploads.done = 0;
   };
}
</script>

  <script>
    function fileUploaded(status) {
      document.getElementById('myForm').style.display = 'none';
      document.getElementById('output').innerHTML = status;
    }

  </script>

  <style>
    body {
      max-width: 60%;
      padding: 20px;
      margin: auto;
    }
    input {
      display: inline-block;
      width: 50%;
      padding: 5px 0px 5px 5px;
      margin-bottom: 10px;
      -webkit-box-sizing: border-box;
      ‌ -moz-box-sizing: border-box;
      box-sizing: border-box;
    }
    select {
      margin: 5px 0px 15px 0px;
    }
    input[type="submit"] {
      width: auto !important;
      display: block !important;
    }
    input[type="file"] {
      padding: 5px 0px 15px 0px !important;
    }
#progressbar{
    width: 40%;
    text-align: center;
    overflow: hidden;
    position: relative;
    vertical-align: middle;

}
.progress-label {
      float: left;
      margin-top: 5px;
      font-weight: bold;
      text-shadow: 1px 1px 0 #fff;
      width: 100%;
    height: 100%;
    position: absolute;
    vertical-align: middle;
    }
  </style>
</body>

在Swift 3中每1秒通过NSTimer更新自定义tableviewcell标签

1 个答案: