我想在我的表单上找到当前可见的字段集中的所有必填字段。当用户提交表单时,我实际上会使用此代码,但为了测试,我使用一个简单的按钮来检查可见字段集,然后检查那些可见字段集中需要的字段[由以 -required 结尾的类名注明] . 这些字段可以是文本框、单选框、复选框等。然后确定它们是否为空。如果在我的 div 中为空提供消息,告诉用户哪些字段不完整。
我以为我已经在另一个 stackOverflower 的帮助下弄清楚了这段代码,但它在我的代码中不起作用。有人可以提供一些见解吗?
我的小提琴在这里:http: //jsfiddle.net/justmelat/jVktq/
我的html在这里:
<form method="post" action="">
<div id="holdErrMsg"></div>
<fieldset id="mainSection" name="mainSection">
<legend style="color:blue; font-weight:bold">Project Overview Section</legend>
<table style="width: 100%">
<tr>
<td style="height: 33px; width: 178px;">Name</td>
<td style="height: 33px"><input id="1125" name="1125" type="text" /></td>
</tr>
<tr>
<td style="height: 33px; width: 178px;">Email</td>
<td style="height: 33px"><input id="1026" name="1026" type="text" /></td>
</tr>
<tr>
<td style="width: 178px">Product Title</td>
<td><input id="1089" name="1089" type="text" /></td>
</tr>
<tr>
<td style="width: 178px">Product Type</td>
<td><select id="1169" name="1169">
<option value="">Select</option>
<option value="Cars">Cars</option>
<option value="Boats">Boats</option>
<option value="Planes">Planes</option>
</select></td>
</tr>
<tr><td>
<button id="btnCatchReqFlds" type="button" name="btn">Check Required Fields</button>
</td></tr>
</table>
</fieldset>
<fieldset id="section-11" name="section-11">
<legend style="color:fuchsia; font-weight:bold">Car Details Section</legend>
<table cellpadding="2" style="width: 100%">
<tr>
<td style="width: 334px; height: 35px"><label>Size:*</label></td>
<td style="height: 35px"><input id="1245" class="1245-required" name="1245" type="text" /></td>
</tr>
<tr>
<td style="height: 35px; width: 334px">Color:*</td>
<td style="height: 35px">
<select id="1433" class="1433-required" name="1433">
<option value="Orange">Orange</option>
<option value="Blank">Blank</option>
<option value="Green">Green</option>
</select></td>
</tr>
<tr>
<td style="width: 334px">Description:</td>
<td>
<textarea id="1290" name="1290" rows="2" style="width: 433px"></textarea></td>
</tr>
</table>
</fieldset>
<fieldset id="section-12" name="section-12">
<legend style="color:fuchsia; font-weight:bold">Plane Details Section</legend>
<table cellpadding="2" style="width: 100%">
<tr>
<td style="width: 334px; height: 35px"><label>Size:</label></td>
<td style="height: 35px"><input id="1245" name="1245" type="text" /></td>
</tr>
<tr>
<td style="height: 35px; width: 334px">Color*:</td>
<td style="height: 35px">
<input type="checkbox" name="1433[]" id="1433[]" value"Orange" class="1433[]-required"/>Orange
<input type="checkbox" name="1433[]" id="1433[]" value"Blue" class="1433[]-required"/>Blue
<input type="checkbox" name="1433[]" id="1433[]" value"Green" class="1433[]-required"/>Green
</td>
</tr>
<tr>
<td style="width: 334px">Description:</td>
<td>
<textarea id="1290" name="1290" rows="2" style="width: 433px"></textarea></td>
</tr>
</table>
</fieldset>
<fieldset id="section-13" name="section-13">
<legend style="color:fuchsia; font-weight:bold">Boat Details Section</legend>
<table cellpadding="2" style="width: 100%">
<tr>
<td style="width: 334px; height: 35px"><label>Size:</label></td>
<td style="height: 35px"><input id="1245" name="1245" type="text" /></td>
</tr>
<tr>
<td style="height: 35px; width: 334px">Color:*</td>
<td style="height: 35px">
<input type="radio" name="1834" id="1834" value="None" class="valuetext" class="1834-required">None
<input type="radio" name="1834" id="1834" value="All" class="valuetext" class="1834-required">All
</td>
</tr>
<tr>
<td style="width: 334px">Description:</td>
<td>
<textarea id="1290" name="1290" rows="2" style="width: 433px"></textarea></td>
</tr>
</table>
</fieldset><br>
<fieldset id="section-1011" name="section-1011">
<legend style="color:green; font-weight:bold">Misc Info Section</legend>
<table cellpadding="2" style="width: 100%">
<tr>
<td style="width: 334px; height: 35px"><label>Size:</label></td>
<td style="height: 35px"><input id="1301" name="1301" type="text" /></td>
</tr>
<tr>
<td style="height: 35px; width: 334px">Color:</td>
<td style="height: 35px">
<select id="1302" name="1302">
<option value="Orange">Orange</option>
<option value="Blank">Blank</option>
<option value="Green">Green</option>
</select></td>
</tr>
<tr>
<td style="width: 334px">Description:</td>
<td>
<textarea id="1303" name="1303" rows="2" style="width: 433px"></textarea></td>
</tr>
</table>
</fieldset>
</form>
我的jQuery在这里:
$("#section-11").hide();
$("#section-12").hide();
$("#section-13").hide();
$("#section-1011").hide();
var projtype = new Array(
{value : 'Cars', sect_id : 'fieldset#section-11'},
{value : 'Planes', sect_id : 'fieldset#section-12'},
{value : 'Boats', sect_id : 'fieldset#section-13'}
);
$("select#1169").on('change',function () {
var thisVal = $(this).val();
var sect_id ="";
//$('fieldset[id!="mainSection"]').hide();
$(projtype).each(function() {
$(this.sect_id).hide();
if(this.value == thisVal) {
$(this.sect_id).show();
}
});
});
$("#btnCatchReqFlds").on('click', function() {
var requiredButEmpty = $("fieldset:visible").find('input[class*="-required"], select[class*="-required"]').filter(function() {
return $.trim($(this).val()) === "";
});
if ($requiredButEmpty.length) {
$requiredButEmpty.each(function () {
$("#holdErrMsg").append("Please fill in the " + this.name + "<br />");
});
}
return !$requiredButEmpty.length;
});