PHP串連MySQL的2種方法以及防止亂碼_PHP教程

PHP的MySQL配置

報錯資訊：Class 'mysqli' not found in

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

同時在下面增加extension=php_mysqli.dll;

注意後面那個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兩個檔案Copy to %systemroot%/system32下.
4.重啟服務

串連資料庫
//在conf/php.ini中,在vim用"/php_mysql"搜尋到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","使用者名稱", 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串
while(list($name, $theindex) = $result->fetch_row())
echo("
".$name.$theindex);

$con = mysql_connect("localhost", "使用者名稱", "密碼");
if ($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 ("

"); while($row = mysql_fetch_assoc($rs)) { echo " " . " " . " " . " "; } mysql_free_result($rs); } echo ("

$row[theindex]

$row[name]

");
mysql_close($con);
}

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