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[教學]php動態下拉式選單 2階層

房東：小明
發表時間：2010-03-02
[檢舉]




Dynamic Dropdown for Country and City List




/*
- Function to return the Country list as an array
- The array can be generated from a database resultset
*/
function getCountryList()
{
// Country List array
$countryList = array (
\'1\' => \'Bangladesh\',
\'2\' => \'USA\',
\'3\' => \'UK\'
);

return $countryList;
}

/*
- Function to return the City list as an array
- Country ID is used to generate the city list
*/
function getCityList($countryId)
{
// City list array
// First key of the array is the Country ID, which holds an array of City list
$cityList = array (
\'1\' => array (\'Dhaka\', \'Chittagong\', \'What else\'),
\'3\' => array (\'London\', \'Cannot Remember\'),
\'2\' => array (\'Washington\', \'N.Y.\', \'etc\')
);

return $cityList[$countryId];
}
?>



// Retrieving the country list
$countryList = getCountryList();

// Setting the variable if the country is selected for its city list
@$countryId = $_GET[\'countryId\'];

// Retrieving the city list if a country is selected
$cityList = ($countryId) ? getCityList($countryId) : null;

if (!empty($countryList))
{
// Generating the country drop down menu
echo \"\";
}

if (!empty($cityList))
{
// Generating the city drop down menu if a country is selected
echo \"\";
}

?>






http://blog.roodo.com/taikobo0/archives/8671037.html



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    • 1 樓住戶：阿偉
    發表時間：2010-03-24     		[檢舉]

    http://tw.knowledge.yahoo.com/question/question?qid=1510020409088


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