php isset无法正常工作,回显为空
在我的代码中,当我点击submit 3 btn时,它会回显空$email,尽管帖子是在db中创建的,但标题总是空的,但是如果我将php isset无法正常工作,回显为空,php,Php,在我的代码中,当我点击submit 3 btn时,它会回显空$email,尽管帖子是在db中创建的,但标题总是空的,但是如果我将if(isset($\u post['submit3'))更改为if(isset($\u post['submit1')),它不会将细节输入db或回显任何内容 <script type="text/javascript"> $( document ).ready(function() { $("#form1").show(); $("
if(isset($\u post['submit3'))
更改为if(isset($\u post['submit1'))
,它不会将细节输入db或回显任何内容
<script type="text/javascript">
$( document ).ready(function() {
$("#form1").show();
$("#form2").hide();
$("#form3").hide();
$('button[name="submit1"]').click(function(e) {
$("#form2").show();
$("#form1").hide();
$("#form3").hide();
e.preventDefault();
});
$('button[name="submit2"]').click(function(e) {
$("#form3").show();
$("#form1").hide();
$("#form2").hide();
e.preventDefault();
});
});
</script>
<body>
<form id="form1" method="post" >
<div>
<input type="text" id="inputemail" name="email" placeholder="Email" height="34px" >
</div>
<div >
<button id="submit1" type="submit" name="submit1" ><strong>Start</strong></button>
</div>
</form>
<form id="form2" method="post" style="display:none">
<div>
<input type="text" id="inputpwd" name="pwd" placeholder="Password" height="34px" required>
</div>
<div >
<button id="submit2" type="submit" name="submit2" ><strong>Next</strong></button>
</div>
</form>
<form id="form3" method="post" style="display:none">
<div required>
<input type="checkbox" value="0" name="book_type[]"> Romance</input><br>
<input type="checkbox" value="1" name="book_type[]"> Action</input><br>
<input type="checkbox" value="2" name="book_type[]"> suspense</input><br>
<input type="checkbox" value="3" name="book_type[]"> thriller</input><br>
</div>
<div >
<button id="submit3" type="submit" name="submit3" onclick="submitform();"><strong>Next</strong></button>
</div>
</form>
</body>
<?php
$email=$_POST['email'];
$pwd=$_POST['pwd'];
$bookchk=array();
$todaydate = new DateTime();
$todaydate =$todaydate->format('Y-m-d H-i-s');
if(isset($_POST['submit3']))
{
echo $email;
$formarg= array('post_type'=>'details',
'post_title'=>$email,
'post_author'=>'1',
'post_status'=>'publish',
'post_date'=>$todaydate );
$wpdb->insert('wp_posts',$formarg);
$bookpostid=$wpdb->insert_id;
foreach($_POST['book_type'] as $selectedplan)
{
$bookchk[]=$selectedplan;
}
update_field('field_561b9999ebb56',$bookchk[0],$contestpostid);
update_field('pwd',$pwd,$bookpostid);
}
?>
$(文档).ready(函数(){
$(“#form1”).show();
$(“#form2”).hide();
$(“#form3”).hide();
$('button[name=“submit1”]”)。单击(函数(e){
$(“#form2”).show();
$(“#form1”).hide();
$(“#form3”).hide();
e、 预防默认值();
});
$('button[name=“submit2”]”)。单击(函数(e){
$(“#form3”).show();
$(“#form1”).hide();
$(“#form2”).hide();
e、 预防默认值();
});
});
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试试看:
<button id="submit3" type="submit" name="submit3" value="Next" onclick="submitform();"><strong>Next</strong></button>
下一步
- 通过
因为输入字段具有属性按钮提交时,您返回的是空的
id=“submit3”$email
在您的第三个表单中不存在name=“email”
- 通过
因为按钮提交时,您没有收到任何信息 id=“submit1”
e.preventDefault()代码>方法防止窗体 单击“提交”按钮时提交
e.preventDefault()代码>从提交按钮单击处理程序
<?php
session_start();
if(isset($_POST['email'])){$_SESSION["email"] = $_POST['email'];}
if(isset($_POST['pwd'])){$_SESSION["pwd"] = $_POST['pwd'];}
if(isset($_POST['book_type'])){$_SESSION["book_type"] = $_POST['book_type'];}
if(isset($_SESSION["email"]) && isset($_SESSION["pwd"]) && isset($_SESSION["book_type"])){
echo "email:".$_SESSION["email"]."<br>";
echo "pwd:" .$_SESSION["pwd"]."<br>";
echo("options:");
for($i=0;$i<sizeof($_SESSION["book_type"]);$i++){
echo $_SESSION["book_type"][$i]."|";
}
session_destroy();
$_SESSION["email"] = "";
$_SESSION["pwd"] = "";
$_SESSION["book_type"] = "";
}
$todaydate = new DateTime();
$todaydate =$todaydate->format('Y-m-d H-i-s');
?>
<body>
<?php if(empty($_SESSION["email"])):?>
<form id="form1" method="post">
<div>
<input type="text" id="email" name="email" placeholder="Email" height="34px" >
</div>
<div >
<input id="submit1" type="submit" name="submit1" value = "Start">
</div>
</form>
<?php endif;?>
<?php if(isset($_SESSION["email"]) && empty($_SESSION["pwd"]) ):?>
<form id="form2" method="post">
<div>
<input type="text" id="pwd" name="pwd" placeholder="Password" height="34px" required>
</div>
<div >
<input id="submit2" type="submit" name="submit2" value = "Next">
</div>
</form>
<?php endif;?>
<?php if(isset($_SESSION["email"]) && isset($_SESSION["pwd"]) && empty($_SESSION["book_type"])):?>
<form id="form3" method="post">
<div required>
<input type="checkbox" value="0" name="book_type[]"> Romance</input><br>
<input type="checkbox" value="1" name="book_type[]"> Action</input><br>
<input type="checkbox" value="2" name="book_type[]"> suspense</input><br>
<input type="checkbox" value="3" name="book_type[]"> thriller</input><br>
</div>
<div >
<button id="submit3" type="submit" name="submit3" onclick="submitform();"><strong>Next</strong></button>
</div>
</form>
<?php endif;?>
</body>
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您使用的是3个单独的表单。只提交了一个。我会输出$\u POST
像:var\u dump($\u POST)
要查看您从中获取和测试的值,您似乎没有为按钮[name=“submit”]提供适当的单击功能,或者至少我没有看到您的javascript代码与var dump I get array(size=2)“book\u type”=>array(size=1)0=>string“0”(length=1)“submit3”=>string“Next”(length=4)