将表列DB结果复制到剪贴板

时间:2019-02-22 02:39:20

标签: javascript asp-classic clipboard

我有一个经典的ASP页面,该页面从数据库中提取记录并在表中显示结果。列之一显示基于所显示的记录集的电子邮件。我想在复制该列中所有电子邮件的页面上添加“复制到剪贴板”按钮。

这是当前用于遍历记录集的脚本。

RESPONSE.WRITE "<tr>"& vbCrlf
RESPONSE.WRITE "<td>FULL NAME</td>"& vbCrlf
RESPONSE.WRITE "<td>EMAIL</td>"& vbCrlf
RESPONSE.WRITE "</tr>"& vbCrlf

IF NOT rsMembers.EOF AND NOT rsMembers.BOF THEN

DO WHILE NOT rsMembers.EOF
RESPONSE.WRITE "<tr>"& vbCrlf          
RESPONSE.WRITE "<td>" & rsMembers("First Name") & " " & rsMembers("Last Name") & "</td>"& vbCrlf

RESPONSE.WRITE "<td><a href='mailto:"&rsMembers("Email")&"'>" & rsMembers("Email") & "</a></td>"& vbCrlf
RESPONSE.WRITE "</tr>"& vbCrlf

rsMembers.MOVENEXT
LOOP

END IF

我最初的尝试是在循环中为每个电子邮件记录包括一个隐藏字段,并通过向其添加数字或其他方式使该字段的ID唯一。然后在javascript循环中遍历所有可能的ID。

RESPONSE.WRITE "<tr>"& vbCrlf
RESPONSE.WRITE "<td>FULL NAME</td>"& vbCrlf
RESPONSE.WRITE "<td>EMAIL</td>"& vbCrlf
RESPONSE.WRITE "</tr>"& vbCrlf

IF NOT rsMembers.EOF AND NOT rsMembers.BOF THEN

DO WHILE NOT rsMembers.EOF
RESPONSE.WRITE "<tr>"& vbCrlf          
RESPONSE.WRITE "<td>" & rsMembers("First Name") & " " & rsMembers("Last Name") & "</td>"& vbCrlf

RESPONSE.WRITE "<td><a href='mailto:"&rsMembers("Email")&"'>" & rsMembers("Email") & "</a><input type='hidden' value='"& rsMembers("Email") &"' id='myInput'></td>"& vbCrlf
RESPONSE.WRITE "</tr>"& vbCrlf

rsMembers.MOVENEXT
LOOP

END IF

Java
<script>
function myFunction() {
  /* Get the text field */
  var copyText = document.getElementById("myInput");

  /* Select the text field */
  copyText.select();

  /* Copy the text inside the text field */
  document.execCommand("copy");

  /* Alert the copied text */
  alert("Copied the text: " + copyText.value);
</script>

然后添加一个按钮进行复制:

<button onclick="myFunction()">Copy text</button>

不确定是否有办法将所有电子邮件结果放入并排列,然后将它们写到一个隐藏字段中。例如

<input type="hidden" value="DB Array of emails with a comma between each" id="myInput">

示例: enter image description here

1 个答案:

答案 0 :(得分:1)

这是一个jQuery解决方案。

“全部复制”按钮触发了点击事件。通过使用“电子邮件”类检索任何元素的文本值来收集电子邮件地址,然后将其传递到名为“ copyToClipboard”的函数,该函数创建一个临时的隐藏文本区域,以从中选择和复制电子邮件值。它应该可以在所有浏览器中使用。

编辑:我已经更新了代码,使您可以从任何列复制数据。您只需要指定目标类并将其作为数据属性传递即可。您可能只需要指定一个列号并查找嵌套的表数据,而不必分配类,但是不幸的是,这超出了我的JavaScript知识,加上emails列中的href链接将使操作变得很棘手。

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Database Results</title>
</head>
<body>
<table width="0%" border="2" cellspacing="3" cellpadding="3">
  <tbody>
    <tr>
      <th>Column 1</th>
      <th>Column 2</th>
      <th>Column 3</th>
      <th>Names - <button class="CopyColumn" data-target=".names">Copy All</button></th>
      <th>Emails - <button class="CopyColumn" data-target=".emails" data-separator="; ">Copy All</button></th>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td class="names">Name One</td>
      <td><a href="mailto:email1@email.com" class="emails">email1@email.com</a></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td class="names">Name Two</td>
      <td><a href="mailto:email2@email.com" class="emails">email2@email.com</a></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td class="names">Name Three</td>
      <td><a href="mailto:email3@email.com" class="emails">email3@email.com</a></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td class="names">Name Four</td>
      <td><a href="mailto:email4@email.com" class="emails">email4@email.com</a></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td class="names">Name Five</td>
      <td><a href="mailto:email5@email.com" class="emails">email5@email.com</a></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td class="names">Name Six</td>
      <td><a href="mailto:email6@email.com" class="emails">email6@email.com</a></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td class="names">Name Seven</td>
      <td><a href="mailto:email7@email.com" class="emails">email7@email.com</a></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td class="names">Name Eight</td>
      <td><a href="mailto:email8@email.com" class="emails">email8@email.com</a></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td class="names">Name Nine</td>
      <td><a href="mailto:email9@email.com" class="emails">email9@email.com</a></td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td>&nbsp;</td>
      <td class="names">Name Ten</td>
      <td><a href="mailto:email10@email.com" class="emails">email10@email.com</a></td>
    </tr>
  </tbody>
</table>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>

    $(document).ready(function() {

        $(".CopyColumn").click(function(){

            var btn = $(this);

            // Disable the button whilst the clipboard copy is performed
            btn.prop("disabled", true);

            var colData = "";

            // Use a line break to seperate the column data if no separator is specified
            var colSeparator = (btn.data("separator")===undefined) ? "\n" : btn.data("separator");

            // Loop through all elements with the target class
            $(btn.data("target")).each(function() {
                // Collect the column data and add the separator
                colData += $(this).text() + colSeparator;
            });

            // Copy the column data to the clipboard
            copyToClipboard(colData.trim());

            // Make a copy of the button text
            var btn_txt = btn.html();

            // Change the button text to "Copied"
            btn.html("Copied");

            // Revert the button text after 1.5 seconds
            setTimeout(function(){
                btn.html(btn_txt);
                // Enable the button
                btn.prop("disabled", false);
            },1500);

        });

    });

    function copyToClipboard(text) {
        if (window.clipboardData && window.clipboardData.setData) {
            // IE specific code path to prevent textarea being shown while dialog is visible.
            return clipboardData.setData("Text", text); 
        } else if (document.queryCommandSupported && document.queryCommandSupported("copy")) {
            var textarea = document.createElement("textarea");
            textarea.textContent = text;
            textarea.style.position = "fixed";  // Prevent scrolling to bottom of page in MS Edge.
            document.body.appendChild(textarea);
            textarea.select();
            try {
                return document.execCommand("copy");  // Security exception may be thrown by some browsers.
            } catch (ex) {
                console.warn("Copy to clipboard failed.", ex);
                return false;
            } finally {
                document.body.removeChild(textarea);
            }
        }
    }

</script>
</body>
</html>

JSfiddle:https://jsfiddle.net/j4r9sxwt/

您唯一需要对ASP代码进行的更改是:

RESPONSE.WRITE "<td><a href='mailto:"&rsMembers("Email")&"' class='emails'>" & rsMembers("Email") & "</a></td>"& vbCrlf