以下代碼的思想是,用戶將根據維護操作進行搜索否,操作類型,執行操作的成員或需要PC的員工保養。例如,當用戶選擇操作類型時,將出現一個下拉菜單,然後他選擇該類型。之後將出現一張維護信息表。例如,用戶選擇打印類型。該表將顯示以下信息:如何隱藏基於先前搜索顯示的先前表格行
操作沒有,會員名稱,員工姓名,維護類型
1001阿德姆,約翰,印刷 1003喬治·史密斯,印刷 1010威廉·約翰,印刷
我面對的問題是,當用戶選擇操作no的搜索,例如,他選擇操作no是1001,其餘的行(基於上一次搜索顯示的1003和1010)仍然顯示出來(它們必須隱藏,因爲它們與搜索類型不匹配)。
的代碼是
<script>
function check() {
var dropdown = document.getElementById("OpType");
var current_value = dropdown.options[dropdown.selectedIndex].value;
if (current_value == "OpNo") {
document.getElementById("operationno").style.display = "block";
document.getElementById("MainType").style.display = "none";
document.getElementById("MemName").style.display = "none";
document.getElementById("EmpName").style.display = "none";
}
else if (current_value == "OpTyp") {
document.getElementById("MainType").style.display = "block";
document.getElementById("MemName").style.display = "none";
document.getElementById("EmpName").style.display = "none";
document.getElementById("operationno").style.display = "none";
}
else if (current_value == "OpMem") {
document.getElementById("MemName").style.display = "block";
document.getElementById("operationno").style.display = "none";
document.getElementById("MainType").style.display = "none";
document.getElementById("EmpName").style.display = "none";
}
else if (current_value == "OpEmp"){
document.getElementById("MemName").style.display = "none";
document.getElementById("operationno").style.display = "none";
document.getElementById("MainType").style.display = "none";
document.getElementById("EmpName").style.display = "block";
}
else if (current_value == "blank") {
document.getElementById("MainType").style.display = "none";
document.getElementById("MemName").style.display = "none";
document.getElementById("EmpName").style.display = "none";
document.getElementById("operationno").style.display = "none";
}
}
</script>
<form name="f1" action="FollowOperations.php" method="post">
<select id="OpType" onChange="check();">
<option value="blank">Choose</option>
<option value="OpNo">Operation No</option>
<option value="OpTyp">Operation Type</option>
<option value="OpMem">Maintenance Member</option>
<option value="OpEmp">Employee</option>
</select><br>
<input class="tb10" type="text" id="operationno" size="4" style="text-align: center" style="display: none">
<select id="MainType" style="display: none">
<option value="blank">Choose</option>
<option value="printing">Printing</option>
<option value="maintenance">PC Maintenance</option>
<option value="internet">Internet Problem</option>
<option value="software">Software</option>
<option value="email">Email Problem</option>
<option value="usbcd">USB/CD Problem</option>
</select>
<select id="MemName" style="display: none">
<option value="blank">Choose</option>
<option value="john">John</option>
<option value="hen">Hen</option>
</select>
<select id="EmpName" style="display: none">
<option value="blank">Choose</option>
<option value="smith">Smith</option>
<option value="will">William</option>
<option value="Gor">George</option>
</select>
<input type="submit" value="Submit" class="button" />
</form>
<?php
if (isset($_POST['formsubmitted']))
{
$operationno = $_POST['ono'];
echo "<table id='tfhover' class='tftable' border='1' align='center'>";
echo "<tr align='center'><th></th><th align='center'>Type</th><th>Employee</th><th align='center'>Member</th><th align='center'>Operation No</th></tr>";
$query_retrieve_maintenance = "Select * from Maintenance where ID = '$operationno'";
$result_retrieve_maintenance = mysqli_query($dbh, $query_retrieve_maintenance);
while($row1 = mysqli_fetch_array($result_retrieve_maintenance))
{
echo "<tr>";
echo "<td><a href='PastOperationsDet.php?operation_number=".$row1['ID']."' target='_blank'>Show</a></td> ";
echo "<td>".$row1['Type']."</td> ";
echo "<td>".$row1['MemName']."</td> ";
echo "<td>".$row1['EmpName']."</td> ";
echo "<td>".$row1['ID']."</td> ";
}
$MainType = $_POST['mt'];
$query_retrieve_by_type = "Select * from Maintenance where Type = '$MainType'";
$result_retrieve_by_type = mysqli_query($dbh, $query_retrieve_by_type);
while($row1 = mysqli_fetch_array($result_retrieve_by_type))
{
echo "<tr>";
echo "<td><a href='PastOperationsDet.php?operation_number=".$row1['ID']."' target='_blank'>Show</a></td> ";
echo "<td>".$row1['Type']."</td> ";
echo "<td>".$row1['MemName']."</td> ";
echo "<td>".$row1['EmpName']."</td> ";
echo "<td>".$row1['ID']."</td> ";
}
$MemName = $_POST['mn'];
$query_retrieve_by_member = "Select ID from Member where Name = '$MemName'";
$result_retrieve_by_member = mysqli_query($dbh, $query_retrieve_by_member);
$membID = mysqli_fetch_row($result_retrieve_by_member);
$memb_id = $membID[0];
$query_retrieve_by_membername = "Select * from Maintenance where MemberID = '$memb_id'";
$result_retrieve_by_membername = mysqli_query($dbh, $query_retrieve_by_membername);
while($row1 = mysqli_fetch_array($result_retrieve_by_membername))
{
echo "<tr>";
echo "<td><a href='PastOperationsDet.php?operation_number=".$row1['ID']."' target='_blank'>Show</a></td> ";
echo "<td>".$row1['Type']."</td> ";
echo "<td>".$memb_id."</td> ";
echo "<td>".$row1['EmpName']."</td> ";
echo "<td>".$row1['ID']."</td> ";
}
$EmpName = $_POST['me'];
$query_retrieve_by_employee = "Select ID from Employee where Name = '$EmpName'";
$result_retrieve_by_employee = mysqli_query($dbh, $query_retrieve_by_employee);
$emplID = mysqli_fetch_row($result_retrieve_by_employee);
$empl_id = $emplID[0];
$query_retrieve_by_emplid = "Select * from Maintenance where EmployeeID = '$empl_id'";
$result_retrieve_by_emplid = mysqli_query($dbh, $query_retrieve_by_emplid);
while($row1 = mysqli_fetch_array($result_retrieve_by_emplid))
{
echo "<tr>";
echo "<td><a href='PastOperationsDet.php?operation_number=".$row1['ID']."' target='_blank'>Show</a></td> ";
echo "<td>".$row1['Type']."</td> ";
echo "<td>".$row1['MemName']."</td> ";
echo "<td>".$empl_id."</td> ";
echo "<td>".$row1['ID']."</td> ";
}
echo "</table>";
}
?>
您可以嘗試隱藏所有行,然後僅顯示符合所選標準的行。 (我不能理清這麼多的代碼:() – Ejaz 2013-04-09 07:42:56