编辑主题functions.php

<?php后方粘贴以下内容

function theAllViews()
        {
            $db = Typecho_Db::get();
            $row = $db->fetchAll('SELECT SUM(VIEWS) FROM `typecho_contents`');
                echo number_format($row[0]['SUM(VIEWS)']);
        }

调用

<?php echo theAllViews(); ?>