所以這裏是我想要做的。我有一張包含公司名單的表格。我有另一張表,其中包含特定員工的公司列表。這裏是表使用來自2個不同表格的數據填充多個選擇列表框
公司
COMPANY_ID
名
employees_companies
empcomp_id
EMPLOYEE_ID
COMPANY_ID
目前我有一個填充的列表列表框所有公司。當用戶設置新員工時,他們可以從列表框中選擇一個或多個公司。當表單提交時,我創建一個所有選定公司的數組,循環遍歷它們並向employees_companies表添加新記錄。這一切都很好。我遇到的問題是用戶可以編輯這些公司的表單。首先我列出所有公司的清單。接下來,我需要讓這個用戶在employees_companies表中列出的公司突出顯示。現在只有一條記錄被高亮顯示,無論查詢中返回了多少條記錄。
下面是代碼讓所有公司的名單和員工的公司
// get list of all companies
mysql_select_db($database_freight, $freight);
$query_rsCompanyList = "SELECT * FROM companies ORDER BY scac ASC";
$rsCompanyList = mysql_query($query_rsCompanyList, $freight) or die(mysql_error());
$row_rsCompanyList = mysql_fetch_assoc($rsCompanyList);
$totalRows_rsCompanyList = mysql_num_rows($rsCompanyList);
// get employees companies
$colname_rsEmployeeCompanyList = "17";
if (isset($_GET['employee_id'])) {
$colname_rsEmployeeCompanyList = $_GET['employee_id'];
}
mysql_select_db($database_freight, $freight);
$query_rsEmployeeCompanyList = sprintf("SELECT * FROM employees_companies WHERE employee_id = %s", GetSQLValueString($colname_rsEmployeeCompanyList, "int"));
$rsEmployeeCompanyList = mysql_query($query_rsEmployeeCompanyList, $freight) or die(mysql_error());
$row_rsEmployeeCompanyList = mysql_fetch_assoc($rsEmployeeCompanyList);
$totalRows_rsEmployeeCompanyList = mysql_num_rows($rsEmployeeCompanyList);
這裏是形式
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>test</title>
</head>
<body>
<form id="frmAdd" name="frmAdd" method="post" action="test.php">
<select name="company_id[]" size="4" multiple="multiple" id="company_id[]">
<?php do { ?>
<option value="<?php echo $row_rsCompanyList['company_id']?>"
<?php
do {
if (!(strcmp($row_rsCompanyList['company_id'], $row_rsEmployeeCompanyList['company_id']))) {echo "selected=\"selected\"";}
} while ($row_rsEmployeeCompanyList = mysql_fetch_assoc($rsEmployeeCompanyList)); ?>><?php echo $row_rsCompanyList['name']?></option>
<?php
} while ($row_rsCompanyList = mysql_fetch_assoc($rsCompanyList));
$rows = mysql_num_rows($rsCompanyList);
if($rows > 0) {
mysql_data_seek($rsCompanyList, 0);
$row_rsCompanyList = mysql_fetch_assoc($rsCompanyList);
}
?>
</select>
<input type="submit" name="button" id="button" value="Submit" />
</form>
</body>
</html>
============= ================================================== ================ 差不多了,但只有一個問題。公司名稱未填充到列表框中。我注意到你的代碼沒有關閉選項標籤。我添加了它,並輸入了$ company_id作爲值,所以它使用company_id填充了列表框,但是我將如何回顯公司名稱。
這裏是我創建的陣列
// get list of all companies
mysql_select_db($database_freight, $freight);
$query_rsCompanyList = "SELECT company_id, name FROM companies ORDER BY scac ASC";
$rsCompanyList = mysql_query($query_rsCompanyList, $freight) or die(mysql_error());
$all_company_ids = array();
while ($row_rsCompanyList = mysql_fetch_array($rsCompanyList)) {
$all_company_ids[] = $row_rsCompanyList['compnay_id'];
}
// get list of all employees companies
$colname_rsEmployeeCompanyList = "17";
if (isset($_GET['employee_id'])) {
$colname_rsEmployeeCompanyList = $_GET['employee_id'];
}
mysql_select_db($database_freight, $freight);
$query_rsEmployeeCompanyList = sprintf("SELECT company_id FROM employees_companies WHERE employee_id = %s", GetSQLValueString($colname_rsEmployeeCompanyList, "int"));
$rsEmployeeCompanyList = mysql_query($query_rsEmployeeCompanyList, $freight) or die(mysql_error());
$emp_company_ids = array();
while ($row_rsEmployeeCompanyList = mysql_fetch_array($rsEmployeeCompanyList)) {
$emp_company_ids[] = $row_rsEmployeeCompanyList['compnay_id'];
}
這裏是形式選項
<?php foreach($all_company_ids as $company_id): ?>
<option value="<?php echo $company_id; ?>" <?php if(in_array($company_id, $emp_company_ids)) echo "selected=\"selected\""; ?>><?php echo $company_id; ?></option>
<?php endforeach; ?>
你的代碼很混亂。首先,如果您可以使用ORM(除非您有充分的理由不這樣做!),那將會很好。其次,你在表單中與你的數據庫進行交互,這不是一個好習慣。 –