Question

有人可以帮助我对this或this页面进行反向工程吗？用户通过网格系统选择尺寸的地方。然后，将选定框的数量转换为相同尺寸的div。

或者有人推荐和JavaScript，如果是，推荐哪个？

Answer 1

我们这里有两个问题，一个是选择，另一个是生成。生成很简单：

通知：此操作既快速又肮脏； innerHtml不应使用，如果您希望看到它更优美，请给我Ping :) https://jsfiddle.net/ynfb3Lh2/9/

<div id="selection">
</div>
<div id="target">
</div>
<pre id="text">
</pre>

<script>
  // Prepare our targets
  const selectionContainer = document.getElementById("selection");
  const targetContainer = document.getElementById("target");
  const textContainer = document.getElementById("text");

  // rows: How many rows to generate?
  // cols: How many cols to generate?
  // [_insertCallback]: should we insert callback? 
  // [_targetContainer]: where should we place created divs?
  // [_textContainer]: sWhere should we write our HTML as plain text? 
  function generateDiv(rows, columns, _insertCallback, _targetContainer, _textContainer) {
    // Create our wrapping elements
    const table = document.createElement("table");
    const tbody = document.createElement("tbody");

    for (let r = 0; r < rows; ++r) {
      // Each row is created here...
      const tr = document.createElement("tr");

      for (let c = 0; c < columns; ++c) {
        const td = document.createElement("td");
        td.text = "&nbsp;"
        // if callback is defined, and we have a target - allow us to generate new table on each click
        if (_insertCallback && _targetContainer) {
          td.onclick = () => generateDiv(r + 1, c + 1, false, _targetContainer, _textContainer)
        }

        tr.appendChild(td)
      }


      // ... and added here
      tbody.appendChild(tr)
    }

    table.appendChild(tbody)

    if (_targetContainer && !_insertCallback ) {
      _targetContainer.innerHTML = '';
      _targetContainer.appendChild(table);
    }
    if (_textContainer && !_insertCallback ) {
      _textContainer.innerHTML = table.outerHTML
      .replace(/td><\//gi, "td>&amp;nbsp;</")
      .replace(/</gi, "&lt;")
      .replace(/>/gi, ">\n");
    }

    return table;
  }

  selectionContainer.appendChild(generateDiv(10, 10, true, targetContainer, textContainer));

</script>

类似地，通过类似的功能（将行和列信息添加到每个单元格）来创建可选择表。然后，表上的mouseClick事件将读取行和列，并传递给生成代码。

选定的尺寸转换为div表

1 个答案: