<?php //造連接對(duì)象$db = new MySQLi("localhost","root","","0710_test");//寫SQL語句$sql = "select * from student";//檢測(cè)連接數(shù)據(jù)庫是否成功，失敗返回“連接失敗”，并退出程序 if(mysqli_connect_error()){ die("連接失敗"); }//執(zhí)行SQL語句,返回結(jié)果集對(duì)象$result = $db->query($sql);var_dump($result->num_rows);//判斷結(jié)果有無數(shù)據(jù)if($result->num_rows){ echo "存在數(shù)據(jù)";}//取數(shù)據(jù)（查詢語句）//$arr = $result->fetch_all();//獲取所有數(shù)據(jù)并以二維數(shù)組存在//$arr = $result->fetch_all(MYSQLI_ASSOC);//獲取所有數(shù)據(jù)中的關(guān)聯(lián)數(shù)組//$arr = $result->fetch_array();//while循環(huán)遍歷數(shù)組所有數(shù)據(jù)while($arr = $result->fetch_array()){ var_dump($arr);}//$arr = $result->fetch_assoc();//返回關(guān)聯(lián)數(shù)組//$arr = $result->fetch_object();//列名對(duì)應(yīng)成員變量//$arr = $result->fetch_row();//返回索引數(shù)組//var_dump($arr); //增刪改語句//添加一條數(shù)據(jù)(返回值true或false)$sql = "insert into student values('102','王某','男','1987-7-1','95033')";//刪除一條數(shù)據(jù)(返回值true或false)$sql = "delete from student where Sname='李軍'";$r = $db->query($sql);var_dump($r);?>

<?php $db = new MySQLi("localhost","root","","0710_info");if(mysqli_connect_error()){ die("連接失敗");}$sql = "insert into work values(0,'P005','2005-01-01','2010-10-1','山師大','教育部',2)";if($db->query($sql)){ echo "添加成功"; //插入這條數(shù)據(jù)的id(常用) echo $db->insert_id;}else{ echo "添加失敗";}?>