相关代码:
add_action( 'wp_ajax_proj_update', 'proj_update' );
function proj_update ( )
{
$id = $_POST['id'];
$compname = $_POST['compname'];
$projname = $_POST['projname'];
$imageurl = $_POST['imageurl'];
$sumsmall = $_POST['sumsmall'];
$sumfull = $_POST['sumfull'];
$results = $_POST['results'];
$caseid = (!isset($_POST['caseid']) || strcmp($_POST['caseid'],'none')) ? $_POST['caseid'] : "NULL"; // weirdness required to get the value of our <select name="caseid"> element converted to something we can insert to database
$hide = array_key_exists('hide',$_POST) !== false ? 1 : 0; // weirdness required to get the value of <input type="checkbox" name="hide"> converted to something we can insert to database
$thisAction = $_POST['thisAction'];
global $wpdb;
$message = "";
switch ($thisAction)
{
case 'add':
{
/* Note: Have to break up prepare statement because https://core.trac.wordpress.org/ticket/12819 */
$addQuery = $wpdb->prepare("INSERT INTO projs (compname,projname,imageurl,sumsmall,sumfull,results,caseid,hide) VALUES (%s,%s,%s,%s,%s,%s,%d," . $caseid . ",%d)",
array($compname, $projname,$imageurl,$sumsmall,$sumfull,$results,$hide));
$message .= $wpdb->query($addQuery)
? 'Successfully added project to the database.'
: 'Error occurred when trying to add project to database: ' . $wpdb->last_error;
break;
}
由于某种原因,$wpdb->last_error
变成了查询为空
,我不明白为什么。我看过其他 S.O.有关此主题的帖子,他们说 undefined object 被用作查询,但在这里我使用 $addQuery
作为查询,我没有看到任何未定义的原因。
有什么想法吗?
最佳答案
尝试使用 $wpdb->insert 而不是 $wpdb->query 来插入数据库。
有关使用 $wpdb 的更多信息可以在这里找到:
关于php - 为什么我在这里得到 "Query was empty"?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32211504/