mysqli面向對象練手



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<?php 2 header("Content-Type:text/html;charset=utf-8"); 3 //mysqli操做數據庫 4 //1.建立對象 5 $mysqli = new mysqli ("localhost","root","","test"); 6 //驗證鏈接是否成功 7 if (!$mysqli){ 8 # code... 9 die("鏈接失敗".$mysqli->connect_error); 10 } 11 //2.操做數據庫 12 $sql = "select * from user"; 13 $res = $mysqli->query($sql); 14 // var_dump($res); 15 //3.處理結果 16 if ($res) { 17 # code... 18 //fetch_row()記得加上() 19 while ($row = $res->fetch_row()) { 20 # code... 21 foreach ($row as $key => $value) { 22 # code... 23 echo "$value--"; 24 } 25 echo "<br />"; 26 } 27 }else{ 28 echo "失敗"; 29 } 30 //4.關閉資源 31 $res->free(); 32 $mysqli->close(); 33 ?>
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