PHP的MySQL配置

報錯信息：Class 'mysqli' not found in

?

Answer:
1.在conf/php.ini中,在vim用"/php_mysql"搜索到extension=php_mysql.dll,去掉前面的";",

同時在下面增加extension=php_mysqli.dll;

注意后面那個dll多了個i
2."/extension_dir"檢查路徑是否正確;
3.找到ext/目錄,把其中的php_mysql.dll,php_mysqli.dll兩個文件Copy to %systemroot%/system32下.
4.重啟服務

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連接數據庫
?//在conf/php.ini中,在vim用"/php_mysql"搜索到extension=php_mysql.dll,去掉前面的";",同時在下面增加extension=php_mysqli.dll;
$mysqli = new mysqli("127.0.0.1","用戶名", 密碼","庫名");
$query="select * from??表 order by theindex desc";
$mysqli->query("SET NAMES gb2312");//注意此處不加會亂碼
$result = $mysqli->query($query);

?//printf() 函數輸出格式化的字符串
while(list($name, $theindex) = $result->fetch_row())
??????? echo(" <br />".$name.$theindex);

$con = mysql_connect("localhost", "用戶名", "密碼");
if ($con) {
??????? mysql_query("set names 'gb2312'");
??????? mysql_select_db("庫名", $con);//注意此處不加會亂碼
??????????????????????????????? $rs = mysql_query("select * from??表 order by theindex desc;", $con);
??????????????????????????????? if ($rs) {
??????????????????????????????? ? echo ("<table border=1>");
??????????????????????????????????????? while($row = mysql_fetch_assoc($rs))
??????????????????????????????????????? {
??????????????????????????????????????????????? echo "<tr>" .
??????????????????????????????????????????????? "<td>$row[theindex]</td>" .
??????????????????????????????????????????????? "<td>$row[name]</td>" .
??????????????????????????????????????????????? "</tr>";
??????????????????????????????????????? }
??????????????????????????????????????? mysql_free_result($rs);
??????????????????????????????????????? }
??????????????????????????????????????? echo ("</table>");
??????? mysql_close($con);
}

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總結

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