我有一个mysql查询,通过PHP myadmin返回5行,但当我尝试通过PHP页面加载它 - 我没有得到任何回报。PHP页面不显示mysqli获取
这里是select语句:
$result = mysqli_query($con,"select ID, MatchWon, MatchLost, MatchTied, ((MatchWon + (.5 * MatchTied))/(MatchWon + MatchLost + MatchTied)) as WinPCT
FROM
(
SELECT ID,
SUM (CASE WHEN MatchResult = 'Won' THEN 1 ELSE 0 END) MatchWon,
SUM (CASE WHEN MatchResult = 'Lost' THEN 1 ELSE 0 END) MatchLost,
SUM (CASE WHEN MatchResult = 'Tied' THEN 1 ELSE 0 END) MatchTied
FROM
(
SELECT hometeam AS ID,
CASE WHEN homescore > visitorscore THEN 'Won'
WHEN homescore < visitorscore THEN 'Lost'
WHEN homescore = visitorscore THEN 'Tied'
END AS MatchResult
FROM scores
UNION ALL
SELECT visitingteam AS ID,
CASE WHEN homescore < visitorscore THEN 'Won'
WHEN homescore > visitorscore THEN 'Lost'
WHEN homescore = visitorscore THEN 'Tied'
END AS MatchResult
FROM scores
) as wonlosttable
GROUP BY ID) as countwinlosstable
ORDER BY WinPCT desc, MatchWon desc, MatchLost asc, MatchTied asc
");
这里是PHP代码我用来显示:
while($row = mysqli_fetch_array($result))
{
echo "<tr>";
echo "<td align=center>" . $row['ID'] . "</td>";
echo "<td align=center>" . $row['MatchWon'] . "</td>";
echo "<td align=center>" . $row['MatchLost'] . "</td>";
echo "<td align=center>" . $row['MatchTied'] . "</td>";
echo "</tr>";
}
这里是如果需要进行测试的简单表的创建代码:
CREATE TABLE `scores` (
`gameid` int(11) NOT NULL auto_increment,
`datesubmitted` varchar(50) NOT NULL,
`gamedate` varchar(11) NOT NULL,
`gametime` time NOT NULL,
`visitingteam` varchar(50) NOT NULL,
`visitorscore` int(11) NOT NULL,
`hometeam` varchar(50) NOT NULL,
`homescore` int(11) NOT NULL,
`submitter` varchar(50) NOT NULL,
PRIMARY KEY (`gameid`)
) ENGINE=MyISAM AUTO_INCREMENT=27 DEFAULT CHARSET=latin1 AUTO_INCREMENT=27 ;
--
-- Dumping data for table `scores`
--
INSERT INTO `scores` VALUES (23, '7/30/2013 9:33:01 AM', '7/24/2013', '17:00:00', 'Culvers', 8, 'Siebe Studios', 2, 'MAXWELL');
INSERT INTO `scores` VALUES (26, '7/30/2013 9:58:37 AM', '7/24/2013', '18:00:00', 'Jimmy Johns', 10, 'Home Technology Systems', 3, 'MAXWELL');
INSERT INTO `scores` VALUES (25, '7/30/2013 9:47:52 AM', '7/29/2013', '15:00:00', 'Jimmy Johns', 10, 'Home Technology Systems', 3, 'MAXWELL');
INSERT INTO `scores` VALUES (24, '7/30/2013 9:46:34 AM', '7/26/2013', '10:30:00', 'Ellis', 5, 'Happy Joes', 13, 'MAXWELL');
定义*我得到任何回报。*空白页?任何错误? –
检查[我如何启用错误报告](http://stackoverflow.com/questions/6575482/php-how-do-i-enable-error-reporting)并尝试后检查回来。您的格式是否与您的文件中的方式完全相同? –
'printf(“Error:%s \ n”,mysqli_error($ con));'=? – Prix