Question

我正在使用表单的提交按钮，javascript应该告诉我是否有任何字段为空..但是尽管使用了onclick属性，但没有发生任何事情..有一些PHP代码拒绝存储数据。我是PHP和Javascript的初学者，所以任何想法？

<script language="javascript">
   function valid()
   {
       var a=document.form2.i1.value;
       var b=document.form2.pas.value;
       var c=document.form2.pas1.value;
       var d=document.form2.n1.value;
       var e=document.form2.a1.value;
       var f=document.form2.r1.value;
       var g=document.form2.pin1.value;
       var h=document.form2.phno1.value;
       var i=document.form2.u1.value;
       var j=document.form2.email1.value;


       if(a!="y")
       {
           alert("Please accept the terms and conditions before registering.");
           return false;
       }
       else if(d=="")
       {
           alert("Name required.");
           return false;
       }
       else if(e=="")
       {
           alert("Age required.");
           return false;
       }
       else if(e<18)
       {
           alert("You have to be atleast 18 to register.");
           return false;
       }
       else if(f="")
       {
           alert("Gender required.");
           return false;
       }
       else if(g=="" || isNan(g))
       {
           alert("Valid pincode required.");
           return false;
       }
       else if(h==""|| isNan(h))
       {
           alert("Valid phone number required.");
           return false;
       }
       else if(i=="")
       {
           alert("Username required.");
           return false;
       }
       else if(j=="")
       {
           alert("Email required.");
           return false;
       }
       else if(b=="" || c=="")
       {
           alert("Password required.");
           return false;
       }
       else if(b!=c)
       {
           alert("Please make sure the passwords are identical.");
           return false;
       }
       return true;

   }

   </script>

这是我以前称之为的声明：

<div id="apDiv3"><input name="reg1" type="submit" id="login-submit" value="Register" onclick="return valid()"/></div>

这是我用来创建表单的PHP代码：

 <?php
              if(isset($_POST['reg1']))
              {
                  $name=$_POST['n1'];
                  $age=$_POST['a1'];
                  $gen=$_POST['r1'];
                  $phno=$_POST['phno1'];
                  $email=$_POST['email1'];
                  $pin=$_POST['pin1'];
                  $user=$_POST['u1'];
                  $pas=$_POST['pass'];
                  $pas1=$_POST['pass1'];
                  $i=$_POST['i1'];


                      $connection=mysqli_connect("localhost","root","");
if (!$connection) {
    die("Database connection failed: " . mysqli_error($connection));
}
                     $db_select = mysqli_select_db($connection, "vinay");
if (!$db_select) {
    die("Database selection failed: " . mysqli_error($db_select));
}
                      $q="insert into reg values('0','$name','$age','$gen','$phno','$email','$pin','$user','$pas')";
                      mysqli_query($q) or die(mysqli_error($q));
                      if(mysqli_affected_rows()>0)
                      {
                header("location:index.php");

                      }




                  }
                 ?>

Answer 1

为什么在HTML5已经具有用于此目的的属性时，您希望使用JavaScript。使用pattern和required属性有关参考，请参阅：http://www.w3schools.com/html/html5_form_attributes.asp

我的html代码没有调用javascript函数

1 个答案: