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screenshot 問題是，如果我選擇下拉菜單，它必須根據下拉菜單篩選數據，這需要模板和應用程序形式。但有一個問題，javascript.it沒有正常工作。無法過濾。 搞砸了JavaScript和PHP。我無法找到問題。下面是php代碼和javascript。 的JavaScript使用數據庫中的子頁面下拉篩選
$(document).ready(function() {
function addRemoveClass(theRows) {
theRows.removeClass("odd even");
theRows.filter(":odd").addClass("odd");
theRows.filter(":even").addClass("even");
}
var rows = $("table#myTable tr:not(:first-child)");
addRemoveClass(rows);
$("#selectField").on("change", function() {
var selected = this.value;
if (selected != "All") {
rows.filter("[position=" + selected + "]").show();
rows.not("[position=" + selected + "]").hide();
var visibleRows = rows.filter("[position=" + selected + "]");
addRemoveClass(visibleRows);
} else {
rows.show();
addRemoveClass(rows);
}
HTML & PHP
<select id="selectField">
<option value="All" selected>All</option>
<option value="Special">Special Needs Template</option>
<option value="Application">Application Form</option>
</select>
<table width="95%" border="0" cellpadding="5" cellspacing="0" id="myTable" class="table_fullwidth">
<tr><th width="15.8%">Application</th><th width="6%">Sequence</th><th width="22%">Group</th>
<th width="18%">Field</th><th width="20%">Description</th><th width="7%">Align</th><th width="6%">Allow Null</th><th width="6%">Edit</th>
</tr>
<div id ="table-filter">
<?php $i=1;
while ($myrow1 = DB_fetch_array($result)) {
if ($i % 2==0) $bkg='td1'; else $bkg='td2';
?>
<tr position="Special" id="trow_<?php echo $i;?>" class="<?php echo $bkg;?> ">
<td align="center"><input type="hidden" name="cur_id_<?php echo $i;?>" id="cur_id_<?php echo $i;?>" value="<?php echo $myrow1['id'];?>">
<input tabindex="<?php echo $i;?>_2" class="sel_long1 required" type="text" name="field1<?php echo $i;?>" id="field1_<?php echo $i;?>" value="<?php echo $myrow1['appd'] ;?>" readonly> </td>
<td align="center" ><input class="sel_long1 required" type="text" value="<?php echo $myrow1['sequence']; ?>" name="field2<?php echo $i; ?>" id="field2_<?php echo $i; ?>" ></td>
<td align="center" ><?php
$sql1 = "SELECT id, descr, lang FROM enr_applicationgroup1 WHERE lang =".$_SESSION['lang']." order by seq";
$result1= DB_query($sql1,$db);
?>
<select class="sel_long1 required" name="field3<?php echo $i; ?>" id="field3_<?php echo $i; ?>" >
<?php
while ($row1 = DB_fetch_array($result1)) {?>
<option <?php if ($myrow1['groupid']==$row1['id']) {?> selected="selected" <?php } ?> value="<?php echo $row1['id'];?>" ><?php echo $row1['descr'];?><?php }?></option>
</select></td>
<td align="center"><?php
$sql1 = "select * from wiz_dbtags where lang=".$_SESSION['lang']." and hide=0 and dbaseid=2 and rtrim(ltrim(tablename)) in (".$tablename.") order by description asc";
$result1= DB_query($sql1,$db);
?>
<select class="sel_long1 required" name="field4<?php echo $i; ?>" id="field4_<?php echo $i; ?>" >
<?php
while ($row1 = DB_fetch_array($result1)) {?>
<option <?php if ($myrow1['tagid']==$row1['id']) {?> selected="selected" <?php } ?> value="<?php echo $row1['id'].'_'.$row1['description'];?>" ><?php echo $row1['description'];?><?php }?></option>
</select></td>
<td align="center" width="17%"><input class="sel_long1 required" type="text" value="<?php echo $myrow1['description']; ?>" name="field5<?php echo $i; ?>" id="field5_<?php echo $i; ?>" ></td>
<td align="center" >
<select class="sel_long1 required" name="field6<?php echo $i; ?>" id="field6_<?php echo $i; ?>" >
<option <?php if ($myrow1['align']==1) {?> selected="selected" <?php } ?> value="1" > Center</option>
<option <?php if ($myrow1['align']==2) {?> selected="selected" <?php } ?> value="2" >Left</option>
<option <?php if ($myrow1['align']==3) {?> selected="selected" <?php } ?> value="3" >Right</option>
</select></td>
<td align="center"><input <?php if ($myrow1['oraseq']==1) echo 'disabled'; if ($myrow1['allownull']==1)echo 'checked';?> type="checkbox" name="field7<?php echo $i; ?>" id="field7_<?php echo $i; ?>" >
</td>
<td align="center" width="8%"><input <?php if ($myrow1['allowedit']==1)echo 'checked';?> type="checkbox" name="field8<?php echo $i; ?>" id="field8_<?php echo $i; ?>" >
</td>
<td align="center"> <img src="<?php echo $site_path;?>images/del.png" width="20" class="cur" title="Delete" onclick="deleteitem('<?php echo $myrow1['id'];?>');"></td>
</tr>
<?php
$i++;
}
$breakdown = $_POST['breakdown']+$num_rows;
$j=$num_rows+1;
您的代碼是沒有幫助！顯示一些截圖以及展示你的期望和現在正在發生的事情！ –
@UmairShahYousafzai [請親切]（https://stackoverflow.com/help/be-nice）。該代碼非常有用。讓我們不要嚇跑新用戶:-)我同意，截圖會很好。 –
好的。我把屏幕截圖 – user8602072