[英]Get the input value of a specific form with javascript when the submit button is pressed
我有一个包含许多类似表单的页面,当我按下提交按钮时,我想获取输入字段的值。 我在JSFiddle上试过这个,它似乎有效。 当我在我的网站上尝试此操作时,它返回“未定义”。
HTML:
<tr>
<form action="editline.php" method="POST" class="editline">
<input type="hidden" name="editID" class="form-control id" value="123456">
<td data-label="Name"><textarea name="editName" class="form-control name" rows="1" autocomplete="off" required>Name1</textarea></td>
<td data-label="Address"><input type="text" name="editAddress" class="form-control address" value="Address1" autocomplete="off" required></td>
<td data-label="Colour"><input type="text" name="editColour" class="form-control colour" value="Colour1" autocomplete="off" required></td>
<td data-label="Edit"><button type="submit" class="btn btn-info btn-sm">Edit</button></td>
</form>
</tr>
<tr>
<form action="editline.php" method="POST" class="editline">
<input type="hidden" name="editID" class="form-control id" value="987654">
<td data-label="Name"><textarea name="editName" class="form-control name" rows="1" autocomplete="off" required>Name2</textarea></td>
<td data-label="Address"><input type="text" name="editAddress" class="form-control address" value="Address2" autocomplete="off" required></td>
<td data-label="Colour"><input type="text" name="editColour" class="form-control colour" value="Colour2" autocomplete="off" required></td>
<td data-label="Edit"><button type="submit" class="btn btn-info btn-sm">Edit</button></td>
</form>
</tr>
JS:
$('.editline').submit(function(e) {
e.preventDefault();
var id = $(this).find('input.id').val();
var name = $(this).find('textarea.name').val();
var address = $(this).find('input.address').val();
var colour = $(this).find('input.colour').val();
alert(id + ' ' + name + ' ' + address + ' ' + colour);
});
表格在表格中是否有问题? 有没有其他方法可以获取按下提交按钮的表单的输入值?
提前致谢。
Edit:// 好的,既然问题是由表格中的表格引起的,有没有解决方法? 我想为此使用一张桌子。
Edit2:// 这个 JS 工作得很好,当表单在表格中时( FSFiddle ):
$('.editline').submit(function(e) {
e.preventDefault();
var tr = $(this).closest('tr');
var id = tr.find('input.id').val();
var name = tr.find('textarea.name').val();
var address = tr.find('input.id').val();
var colour = tr.find('input.colour').val();
alert(id + ' ' + name + ' ' + address + ' ' + colour);
});
只需将整个表格包裹在表格中即可。 这将解决无效 HTML 的问题。
$('.editline').submit(function(e) { e.preventDefault(); var id = $(this).find('input.id').val(); var name = $(this).find('textarea.name').val(); var address = $(this).find('input.address').val(); var colour = $(this).find('input.colour').val(); alert(id + ' ' + name + ' ' + address + ' ' + colour); });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <form action="editline.php" method="POST" class="editline"> <table> <tr> <td data-label="Name"><textarea name="editName" class="form-control name" rows="1" autocomplete="off" required>Name2</textarea></td> <td data-label="Address"><input type="text" name="editAddress" class="form-control address" value="Address2" autocomplete="off" required></td> <td data-label="Colour"><input type="text" name="editColour" class="form-control colour" value="Colour2" autocomplete="off" required></td> <td data-label="Edit"><button type="submit" class="btn btn-info btn-sm">Edit</button> </td> </tr> </table> <input type="hidden" name="editID" class="form-control id" value="987654"> </form>
您只能使用一种形式,然后将操作设置为按钮并获取与其输入最接近的行。 然后,在单击功能中,您可以向表单调用 ajax 帖子。
$('.editline button').click(function(e) { e.preventDefault(); var tr = $(this).closest('tr'); var id = tr.find('input.id').val(); var name = tr.find('textarea.name').val(); var address = tr.find('input.address').val(); var colour = tr.find('input.colour').val(); alert(id + ' ' + name + ' ' + address + ' ' + colour); });
.row { background: #f8f9fa; margin-top: 20px; } .col { border: solid 1px #6c757d; padding: 10px; }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script> <form action="editline.php" method="POST" class="editline"> <table> <tr> <td data-label="Name"><input type="hidden" name="editID" class="form-control id" value="123456"><textarea name="editName" class="form-control name" rows="1" autocomplete="off" required>Name1</textarea></td> <td data-label="Address"><input type="text" name="editAddress" class="form-control address" value="Address1" autocomplete="off" required></td> <td data-label="Colour"><input type="text" name="editColour" class="form-control colour" value="Colour1" autocomplete="off" required></td> <td data-label="Edit"><button type="submit" class="btn btn-info btn-sm">Edit</button></td> </tr> <tr> <td data-label="Name"> <input type="hidden" name="editID" class="form-control id" value="987654"> <textarea name="editName" class="form-control name" rows="1" autocomplete="off" required>Name2</textarea> </td> <td data-label="Address"><input type="text" name="editAddress" class="form-control address" value="Address2" autocomplete="off" required></td> <td data-label="Colour"><input type="text" name="editColour" class="form-control colour" value="Colour2" autocomplete="off" required></td> <td data-label="Edit"><button type="submit" class="btn btn-info btn-sm">Edit</button></td> </tr> </table> </form>
例如:
function geti() { var i = document.getElementById('i').value; var iv = document.getElementById('iv'); iv.innerHTML = i; }
<input type="text" id="i"> <button onclick="geti();">Click Me</button> <p id="iv"></p>
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.