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Papan mesej pembangunan PHP untuk menghantar mesej

Kami memproses data yang diluluskan oleh html pada halaman PHP. Kami mesti terlebih dahulu menentukan sama ada data yang dihantar adalah kosong dan sama ada kod pengesahan adalah betul, dan kemudian memasukkan data yang diluluskan oleh html kami ke dalam pangkalan data

1.jpg

Kodnya adalah seperti berikut

<?php
session_start();
header("content-type:text/html;charset=utf-8");
$name=$_POST['name'];
$email=$_POST['email'];
$content=$_POST['content'];
$vcode=$_POST['vcode'];
if($name==''){
    echo "<script>alert('請輸入你的姓名');location='" . $_SERVER['HTTP_REFERER'] . "'</script>";
    exit;
}
if($content==''){
    echo "<script>alert('留言內(nèi)容不能為空');location='" . $_SERVER['HTTP_REFERER'] . "'</script>";
    exit;
}
if($vcode!=$_SESSION['VCODE']){
    echo"<script>alert('你的驗證碼不正確,請重新輸入');location='".$_SERVER['HTTP_REFERER']. "'</script>";
    exit;
}
$conn=mysqli_connect('localhost','root','root','ressage');
mysqli_set_charset($conn,'utf8'); //設(shè)定字符集
if($conn){
    $sql=mysqli_prepare($conn,"insert into ressage_user(name,email,content,ressage_time) VALUES (?,?,?,now())");
    $param=mysqli_stmt_bind_param($sql,'sss',$name,$email,$content);
    $result=mysqli_stmt_execute($sql);
if($result){
    echo "<script>alert('留言成功');location.href='ressage.php';</script>";
}else{
    echo"<script>alert('你的留言失敗,請稍后重試');location.href='ressage.php';</script>";
    exit;
}
}else{
    die("數(shù)據(jù)庫連接失敗".  mysqli_connect_error());
}




Meneruskan pembelajaran
||
<?php session_start(); header("content-type:text/html;charset=utf-8"); $name=$_POST['name']; $email=$_POST['email']; $content=$_POST['content']; $vcode=$_POST['vcode']; //if($name==''){ // echo "<script>alert('請輸入你的姓名');location='" . $_SERVER['HTTP_REFERER'] . "'</script>"; // exit; //} //if($content==''){ // // echo "<script>alert('留言內(nèi)容不能為空');location='" . $_SERVER['HTTP_REFERER'] . "'</script>"; // exit; // //} //if($vcode!=$_SESSION['VCODE']){ // // echo"<script>alert('你的驗證碼不正確,請重新輸入');location='".$_SERVER['HTTP_REFERER']. "'</script>"; // exit; //} $conn=mysqli_connect('localhost','root','root','ressage'); mysqli_set_charset($conn,'utf8'); //設(shè)定字符集 if($conn){ $sql=mysqli_prepare($conn,"insert into ressage_user(name,email,content,ressage_time) VALUES (?,?,?,now())"); $param=mysqli_stmt_bind_param($sql,'sss',$name,$email,$content); $result=mysqli_stmt_execute($sql); if($result){ echo "<script>alert('留言成功');location.href='ressage.php';</script>"; }else{ echo"<script>alert('你的留言失敗,請稍后重試');location.href='ressage.php';</script>"; exit; } }else{ die("數(shù)據(jù)庫連接失敗". mysqli_connect_error()); }