4-30用户注册界面

选择题

1-5 C ABD D C A
6-10 C D B C A
11-15 A B ACD D A
16-20 B A D C B
21-23 D B A

用户注册界面

        <h1>用户注册</h1>
            <form action="doem.php" method="post">
          <p>用户名</p>
        <input type="text" name="userName" id="userName" placeholder="UserName"/>
        <span class="cuo">用户名首位需是字母</span>
        <p>密码</p>
        <input type="password" name="password" id="password" placeholder="password"/>
        <span class="cuo">密码由6-16的字母、数字、符号组成</span>
        <p>确认密码</p>
        <input type="password" name="repassword" id="repassword" placeholder="确认密码"/>
    <span class="cuo">密码要一致</span>
        <p class="psw-p1">验证</p>
<input type="text"  name="uPsw" placeholder="请输入验证码" />
<span><button>获取验证码</button></span>
<p class="psw-p1">确认验证码</p>
<input type="text"  name="reuPsw" placeholder="请确认验证码" />
  <div>
  <button style="color:red;border-style:none;background-color:skyblue">立即注册</button>
</div>
</form>

 //通过全局成员$_POST获取以上的用户名，密码和验证码
      $userName=$_POST['userName'];
      $password=$_POST['password'];
      $repassword=$_POST['repassword'];
      $uPsw=$_POST['uPsw'];
      $reuPsw=$_POST['$reuPsw'];
       if(!ucfirst($userName)){
       echo '<script>alert("用户名首位需是字母而且是大写");</script>';
     }
if(strlen($password)!=strlen($repassword)
&& strcmp('$password','$repassword')!==0){
     echo '<script>alert("密码与确认密码应该一致");</script>';
     }
     if(strcasecmp('$uPsw','$reuPsw')==0){
        echo '<script>alert("验证码正确");</script>';
     }
     else{
        echo '<script>alert("验证码前后不正确");</script>';
     }