$sum = $query->from('department')->sum('department_id');// echo sql$sql = $query->from('department')->orderBy(['department_name'=> SORT_ASC])->createCommand();return$this->render('index', ['departments'=> $department,'count'=> $count,'max'=> $max,'sum'=> $sum,'sql'=> ...
$tj2="nation='{$mz}'"; }//造连接对象$db =newMySQLi("localhost","root","123","mydb");//写SQL语句$sql ="select * from info where".$tj."and".$tj2; echo $sql;//执行SQL语句$result = $db->query($sql);//读数据$attr = $result->fetch_all();foreach($attras$v) { echo"<...
1 $db 是一个实例化好的数据库类，query是这个类里面的一个方法，$db->query($sql); 就是访问$db类里的query方法，->相当于访问类里面方法的一个语法而已。操作方法如下：1、首先写上这个程序的注释内容，#创建一个类并实例化它。2、然后写上这个类的头部，由class +名称{}组成。class my{}。3、在类...
*/publicfunctiongetGateways($order, $admin = null){if($order) {//Variable to hold available gateways$gateways =array();//Fetch all Enabled Couriers$query =newSQLQuery(); $query->setFrom('Gateway')->addWhere("(`Enabled`='1')");//Result of query$result = $query->execute();//Iterat...
其中又分为POST/GET,GET型的一般是用在网站上的搜索,而POST则用在用户名的登录,可以从form表单的method="get"属性来区分是get还是post。搜索型注入又称为文本框注入。 2)原理 $sql="select * from user where password like '%$pwd%' order by password"; 这句SQL的语句就是基于用户输入的pwd在users表中...
$query=mysql_query($sql); $count=mysql_num_rows($query); if($count>0){ while($row=mysql_fetch_array($query)){ $str.="<option value='".$row['id']."'>".$row['username']."-".$row['phone']."</option>"; } echo $str; ...
('db_student'); $sql = "INSERT INTO db_student VALUES($stuId,'$stuName','$stuScore')"; //$sql = "INSERT INTO db_student(id,name,score)VALUES($stuId,'$stuName',$stuScore)"; $is_ok = mysql_query($sql); if($is_ok == true){ echo '添加成功'; }else{ echo '添加失败'; ...
($serverName, $connectionOptions); $tsql= "SELECT TOP 20 pc.Name as CategoryName, p.name as ProductName FROM [SalesLT].[ProductCategory] pc JOIN [SalesLT].[Product] p ON pc.productcategoryid = p.productcategoryid"; $getResults= sqlsrv_query($conn, $tsql); echo ("Reading data ...
//if ($conn->query($sql) === TRUE) {//echo "新记录插入成功";if (mysqli_query($conn, $sql)) {echo "新记录插入成功";echo "<br>";}//else {// echo "Error: " . $sql . "<br>" . $conn->error; else {echo "Error: " . $sql . "<br>" . mysqli_error($conn);}//...
·$tsql– This required parameter is a string that defines a Transact-SQL query. Question marks (?) are used as placeholders for parameters. ·$params– This optional parameter is an array of values that correspond (in order) to the parameter placeholders (question marks) in the query define...