PHP notes - use Smarty to set public pages (include, if, else, variable settings)

The main effects are as follows , The login page ：

The top is the public page . After logging in users, it's like this .

After successful login , Which homepage is at the top 、 fund 、 gold 、 The stocks are all coming out . And you can click different tabs active, as follows ：

fund ：

  gold ：

  Stocks ：

  The realization is like this , Extract the public page ：

as follows header.html

<header class="mb-auto">
    <div>
        <h3 class="float-md-start mb-0"> Financial simulation system  <span class="badge bg-light text-dark">Beta V1.0.0</span></h3>

        {if $login}
        <nav class="nav nav-masthead justify-content-center float-md-end">
            <a href="index.php?p=user&c=dashboard&a=index" {if $activeItem == 1} class="nav-link active" {else} class="nav-link" {/if}> home page </a>
            <a href="index.php?p=user&c=fund&a=index" {if $activeItem == 2} class="nav-link active" {else} class="nav-link" {/if}> fund </a>
            <a href="index.php?p=user&c=gold&a=index" {if $activeItem == 3} class="nav-link active" {else} class="nav-link" {/if}> gold </a>
            <a href="index.php?p=user&c=stock&a=index" {if $activeItem == 4} class="nav-link active" {else} class="nav-link" {/if}> Stocks </a>
        </nav>
        {/if}
    </div>
</header>

there login It's a variable , When quoted login by true be , Show the options in the background .

$activeItem It's also a variable , His value is 1,2,3,4, Respectively means the home page 、 fund 、 gold 、 Stocks .

It contains ：

The login page contains ：

{include file="public/header.html" login=false}

  The background page contains ：

{include file="public/header.html" activeItem=1 login=true}

What to pay attention to ：

①include Variables can be passed in ;

②{if} To be used after completion {/if} Otherwise, the script language cannot judge where it ends .