将欢迎消息从全名更改为用户名(PHP)

将欢迎消息从全名更改为用户名(PHP),php,mysql,Php,Mysql,我对web开发和PHP非常陌生。我正在创建一个带有会员区的网站,并希望显示欢迎“用户名”消息。在我的实际代码中,有一条显示用户全名的欢迎消息。有人能帮我吗?下面我将粘贴用于login.php和login-home.php(成员区)的代码。多谢各位 login.php <?PHP require_once("./include/membersite_config.php"); if(isset($_POST['submitted'])) { if($fgmembersite->

我对web开发和PHP非常陌生。我正在创建一个带有会员区的网站,并希望显示欢迎“用户名”消息。在我的实际代码中,有一条显示用户全名的欢迎消息。有人能帮我吗?下面我将粘贴用于login.php和login-home.php(成员区)的代码。多谢各位


login.php

<?PHP
require_once("./include/membersite_config.php");

if(isset($_POST['submitted']))
{
   if($fgmembersite->Login())
   {
        $fgmembersite->RedirectToURL("login-home.php");
   }
}

?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
<head>
      <meta http-equiv='Content-Type' content='text/html; charset=utf-8'/>
      <title>Login</title>
      <link rel="STYLESHEET" type="text/css" href="style/fg_membersite.css" />
      <script type='text/javascript' src='scripts/gen_validatorv31.js'></script>
</head>
<body>

<!-- Form Code Start -->
<div class="logo_container"></div>
<div class='splash-container'>
    <div id='fg_membersite'>
        <form id='login' action='<?php echo $fgmembersite->GetSelfScript(); ?>' method='post' accept-charset='UTF-8'>
        <fieldset >
        <legend>Orcaly</legend>

        <input type='hidden' name='submitted' id='submitted' value='1'/>

        <div><span class='error'><?php echo $fgmembersite->GetErrorMessage(); ?></span></div>
        <div class='container'>
            <label for='username' ></label><br/>
            <input type='text' placeholder="UserName"name='username' id='username' value='<?php echo $fgmembersite->SafeDisplay('username') ?>' maxlength="50" /><br/>
            <span id='login_username_errorloc' class='error'></span>
        </div>
        <div class='container'>
            <label for='password' ></label><br/>
            <input type='password' placeholder="Password" name='password' id='password' maxlength="50" /><br/>
            <span id='login_password_errorloc' class='error'></span>
        </div>

        <div class='container'>
            <input type='submit' name='Submit' value='Submit' />
        </div>
        <div class='short_explanation'><a href='reset-pwd-req.php'>Forgot Password?</a></div>
        <div class='register'><a href='register.php'>Register</a></div>
        </fieldset>
        </form>
        <!-- client-side Form Validations:
        Uses the excellent form validation script from JavaScript-coder.com-->

        <script type='text/javascript'>
        // <![CDATA[

            var frmvalidator  = new Validator("login");
            frmvalidator.EnableOnPageErrorDisplay();
            frmvalidator.EnableMsgsTogether();

            frmvalidator.addValidation("username","req","Please provide your username");

            frmvalidator.addValidation("password","req","Please provide the password");

        // ]]>
        </script>
    </div>
</div>
<!--
Form Code End (see html-form-guide.com for more info.)
-->

</body>
</html>
<?PHP
require_once("./include/membersite_config.php");

if(!$fgmembersite->CheckLogin())
{
    $fgmembersite->RedirectToURL("login.php");
    exit;
}

?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
<head>
      <meta http-equiv='Content-Type' content='text/html; charset=utf-8'/>
      <title>Home page</title>
      <link rel="STYLESHEET" type="text/css" href="style/fg_membersite.css">
</head>
<body>
<div class="logo_container"></div>
    <div class='splash-container'>
        <div id='fg_membersite'>
        <fieldset>
        <legend>Home Page</legend>
        <div class='confirmation'>Welcome back <?= $fgmembersite->UserFullName(); ?>!</div>
        <div class='confirmation'><a href='change-pwd.php'>Change password</a></div>
        <div class='register'><a href='access-controlled.php'>A sample 'members-only' page</a></div>
        <br>
        <div class='register'><a href='logout.php'>Logout</a></div>
        </fieldset>
        </div>
    </div>
</body>
</html>

登录

主页 主页 欢迎回来!

简单的答案是您需要更改这行代码:

<div class='confirmation'>Welcome back <?= $fgmembersite->UserFullName(); ?>!</div>
欢迎回来!
因此,$fgmembersite->UserFullName();成为保存用户名的变量或返回用户名的函数。现在,它是一个返回用户全名的函数

这可能有点超出了您目前的编程技能。一件非常简单可行的事情是在用户登录时将用户名存储为会话变量。然后可以替换$fgmembersite->UserFullName();使用$_SESSION[“username”]或任何您指定的名称


或者,您可以定义自己的函数来返回用户名,或者如果用户名由于某种原因不可用,则可以定义其他值(这是一种更好的设计)。

在my fg_membersite.php中,
$fgmembersite
?的数据结构是什么?$\u SESSION中的
$fgmberSite
php:function UserFullName(){return isset($\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\