Maison >développement back-end >tutoriel php >Ajout, suppression, modification et requête de base de données PHP
Le contenu partagé avec vous dans cet article est l'ajout, la suppression, la modification et l'interrogation de la base de données PHP. Il a une certaine valeur de référence. Les amis dans le besoin peuvent s'y référer
Register_2018411.php <body> <form name = "frm" action ="insert_2018411.php" method = "post"> Name<input type = "text" name= "txtName"/> <br/> Age<input type = "text" name ="txtAge"/> <br/> Gender <input type = "radio" name ="rdGender" value = "1">Male <input type = "radio" name ="rdGender" value = "0">Female <br/> <input type = "submit" name ="sbtsubmit" value = "Register"/> </form> </body> insert_2018411.php <?php $name = $_POST['txtName']; $age = $_POST['txtAge']; $gender = $_POST['rdGender']; $db =mysqli_connect("localhost","root","1234"); mysqli_select_db($db,"studentdb"); $in="insert intostudentinfotbl(stuName,stuAge,stuGender)values('$name','$age','$gender')"; mysqli_query($db,$in); header("location:show_2018411.php"); ?> show_2018411.php <?php $db =mysqli_connect("localhost","root","1234"); mysqli_select_db($db,"studentdb"); $select = "select * fromstudentinfotbl"; $result = mysqli_query($db,$select); ?> <table border = 1> <tr><td>stuName</td><td>stuAge</td><td>stuGender</td><td>delete</td><td>update</td></tr> <?php while($resArry=mysqli_fetch_array($result)){?> <tr> <td><?phpecho $resArry[1]; ?></td> <td><?phpecho $resArry[2]; ?></td> <td><?php if($resArry[3]==1){ echo"男"; }else{ echo"女"; } ?></td> <td><?phpecho "<a href = 'delete_2018411.php?id=$resArry[0]'> delete</a>"; ?></td> <td><?phpecho "<a href = 'updateFirst.php?id=$resArry[0]'> update</a>"; ?></td> </tr> <?php } ?> </table> delete_2018411.php <?php $db = mysqli_connect("localhost","root","1234"); mysqli_select_db($db,"studentdb"); $id = $_GET['id']; $delete = "delete from studentinfotblwhere stuId = $id"; mysqli_query($db,$delete); header("location:show_2018411.php"); ?> updateFirst.php <?php session_start(); $id = $_GET['id']; echo $id; $_SESSION['id']=$id; ?> <body> <form name = "frm" action ="update_2018411.php" method = "post"> Name<input type = "text" name= "txtName"/> <br/> Age<input type = "text" name ="txtAge"/> <br/> Gender <input type = "radio" name ="rdGender" value = "1">Male <input type = "radio" name ="rdGender" value = "0">Female <br/> <input type = "submit" name ="sbtsubmit" value = "OK"/> </form> </body> update_2018411.php <?php session_start(); $db = mysqli_connect("localhost","root","1234"); mysqli_select_db($db,"studentdb"); $name = $_POST['txtName']; $age = $_POST['txtAge']; $gender = $_POST['rdGender']; $id = $_SESSION['id']; if(1){ $update= "update studentinfotbl setstuName = '$name',stuAge = $age,stuGender = $gender wherestuId =$id;"; mysqli_query($db,$update); } session_destroy(); header("location:show_2018411.php"); ?>
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