纯代码添加WordPress侧边栏“博客统计”小工具
wordpress使用好看的侧边栏小工具作为站点统计，记录你的文章数，标签数，运行时间...
安装与使用方法
1.到主题目录下新建一个tongji.php 文件（名字自己可以改）
以下是代码内容：
<?php
// 小工具
// 名称: 博客统计
// 版本: 1.0
// 作者: xiaobai
// 站名: 小白博客
// 网址: http://xiaobai.org
// 定义小工具的类 EfanBlogStat
class EfanBlogStat extends WP_Widget{
function EfanBlogStat(){
// 定义小工具的构造函数
$widget_ops = array('classname' => 'widget_blogstat', 'description' => '显示博客的统计信息');
$this->WP_Widget(false, '博客统计', $widget_ops);
}
function form($instance){
// 表单函数,控制后台显示
// $instance 为之前保存过的数据
// 如果之前没有数据的话,设置默认量
$instance = wp_parse_args(
(array)$instance,
array(
'title' => '博客统计',
'establish_time' => '2013-01-27'
)
);
/*
$instance = wp_parse_args(
(array)$instance,
array(
'title' => '博客统计',
'establish_time' => '2013-01-27',
'post_count_no' => '1',
'draft_count_no' => '0',
'comment_count_no' => '2',
'establish_date_no' => '3',
'establish_time_no' => '4',
'tag_count_no' => '0',
'page_count_no' => '0',
'cat_count_no' => '0',
'link_count_no' => '0',
'user_count_no' => '0',
'last_update_no' => '5',
'support_me' => false
)
);
*/
$title = htmlspecialchars($instance['title']);
$establish_time = htmlspecialchars($instance['establish_time']);
/*
$post_count_no = htmlspecialchars($instance['post_count_no']);
$draft_count_no = htmlspecialchars($instance['draft_count_no']);
$comment_count_no = htmlspecialchars($instance['comment_count_no']);
$establish_date_no = htmlspecialchars($instance['establish_date_no']);
$establish_time_no = htmlspecialchars($instance['establish_time_no']);
$tag_count_no = htmlspecialchars($instance['tag_count_no']);
$page_count_no = htmlspecialchars($instance['page_count_no']);
$cat_count_no = htmlspecialchars($instance['cat_count_no']);
$link_count_no = htmlspecialchars($instance['link_count_no']);
$user_count_no = htmlspecialchars($instance['user_count_no']);
$last_update_no = htmlspecialchars($instance['last_update_no']);
$support_me = $instance['support_me'];
*/
// 表格布局输出表单
$output = '<table>';
$output .= '<tr><td>标题</td><td>';
$output .= '<input id="'.$this->get_field_id('title') .'" name="'.$this->get_field_name('title').'" type="text" value="'.$instance['title'].'" />';
$output .= '</td></tr><tr><td>建站日期：</td><td>';
$output .= '<input id="'.$this->get_field_id('establish_time') .'" name="'.$this->get_field_name('establish_time').'" type="text" value="'.$instance['establish_time'].'" />';
$output .= '</td></tr></table>';
/*
$output .= '<br />输入数字1~11安排显示顺序,0表示不显示';
$output .= '<table>';
$output .= '<tr><td>日志总数：</td><td>';
$output .= '<input id="'.$this->get_field_id('post_count_no') .'" name="'.$this->get_field_name('post_count_no').'" type="text" value="'.$instance['post_count_no'].'" />';
$output .= '</td></tr>';
$output .= '<tr><td>草稿数目：</td><td>';
$output .= '<input id="'.$this->get_field_id('draft_count_no') .'" name="'.$this->get_field_name('draft_count_no').'" type="text" value="'.$instance['draft_count_no'].'" />';
$output .= '</td></tr>';
$output .= '<tr><td>评论数目：</td><td>';
$output .= '<input id="'.$this->get_field_id('comment_count_no') .'" name="'.$this->get_field_name('comment_count_no').'" type="text" value="'.$instance['comment_count_no'].'" />';
$output .= '</td></tr>';
$output .= '<tr><td>建站日期：</td><td>';
$output .= '<input id="'.$this->get_field_id('establish_date_no') .'" name="'.$this->get_field_name('establish_date_no').'" type="text" value="'.$instance['establish_date_no'].'" />';
$output .= '</td></tr>';
$output .= '<tr><td>运行天数：</td><td>';
$output .= '<input id="'.$this->get_field_id('establish_time_no') .'" name="'.$this->get_field_name('establish_time_no').'" type="text" value="'.$instance['establish_time_no'].'" />';
$output .= '</td></tr>';
$output .= '<tr><td>标签总数：</td><td>';
$output .= '<input id="'.$this->get_field_id('tag_count_no') .'" name="'.$this->get_field_name('tag_count_no').'" type="text" value="'.$instance['tag_count_no'].'" />';
$output .= '</td></tr>';
$output .= '<tr><td>页面总数：</td><td>';
$output .= '<input id="'.$this->get_field_id('page_count_no') .'" name="'.$this->get_field_name('page_count_no').'" type="text" value="'.$instance['page_count_no'].'" />';
$output .= '</td></tr>';
$output .= '<tr><td>分类总数：</td><td>';
$output .= '<input id="'.$this->get_field_id('cat_count_no') .'" name="'.$this->get_field_name('cat_count_no').'" type="text" value="'.$instance['cat_count_no'].'" />';
$output .= '</td></tr>';
$output .= '<tr><td>友链总数：</td><td>';
$output .= '<input id="'.$this->get_field_id('link_count_no') .'" name="'.$this->get_field_name('link_count_no').'" type="text" value="'.$instance['link_count_no'].'" />';
$output .= '</td></tr>';
$output .= '<tr><td>用户总数：</td><td>';
$output .= '<input id="'.$this->get_field_id('user_count_no') .'" name="'.$this->get_field_name('user_count_no').'" type="text" value="'.$instance['user_count_no'].'" />';
$output .= '</td></tr>';
$output .= '<tr><td>最后更新：</td><td>';
$output .= '<input id="'.$this->get_field_id('last_update_no') .'" name="'.$this->get_field_name('last_update_no').'" type="text" value="'.$instance['last_update_no'].'" />';
$output .= '</td></tr>';
$output .= '</table>';
*/
/*
$output .= '<label><input id="'.$this->get_field_id('support_me') .'" name="'.$this->get_field_name('support_me').'" type="checkbox" ';
if ($instance['support_me']) {
$output .= 'checked="checked"';
}
$output .= ' /> 支持开发者</label>';
*/
echo $output;
}
function update($new_instance, $old_instance){
// 更新数据的函数
$instance = $old_instance;
// 数据处理
$instance['title'] = strip_tags(stripslashes($new_instance['title']));
$instance['establish_time'] = strip_tags(stripslashes($new_instance['establish_time']));
/*
$instance['post_count_no'] = strip_tags(stripslashes($new_instance['post_count_no']));
$instance['draft_count_no'] = strip_tags(stripslashes($new_instance['draft_count_no']));
$instance['comment_count_no'] = strip_tags(stripslashes($new_instance['comment_count_no']));
$instance['establish_date_no'] = strip_tags(stripslashes($new_instance['establish_date_no']));
$instance['establish_time_no'] = strip_tags(stripslashes($new_instance['establish_time_no']));
$instance['tag_count_no'] = strip_tags(stripslashes($new_instance['tag_count_no']));
$instance['page_count_no'] = strip_tags(stripslashes($new_instance['page_count_no']));
$instance['cat_count_no'] = strip_tags(stripslashes($new_instance['cat_count_no']));
$instance['link_count_no'] = strip_tags(stripslashes($new_instance['link_count_no']));
$instance['user_count_no'] = strip_tags(stripslashes($new_instance['user_count_no']));
$instance['last_update_no'] = strip_tags(stripslashes($new_instance['last_update_no']));
*/
return $instance;
}
function widget($args, $instance){
extract($args); //展开数组
$title = apply_filters('widget_title',empty($instance['title']) ? ' ' : $instance['title']);
$establish_time = empty($instance['establish_time']) ? '2013-01-27' : $instance['establish_time'];
echo $before_widget;
echo $before_title . $title . $after_title;
echo '<ul>';
// $this->efan_get_blogstat($establish_time, $instance);
$this->efan_get_blogstat($establish_time);
echo '</ul>';
echo $after_widget;
}
function efan_get_blogstat($establish_time /*, $instance */){
// 相关数据的获取
global $wpdb;
$count_posts = wp_count_posts();
$published_posts = $count_posts->publish;
$draft_posts = $count_posts->draft;
$comments_count = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments");
$time = floor((time()-strtotime($establish_time))/86400);
$count_tags = wp_count_terms('post_tag');
$count_pages = wp_count_posts('page');
$page_posts = $count_pages->publish;
$count_categories = wp_count_terms('category');
$link = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->links WHERE link_visible = 'Y'");
$users = $wpdb->get_var("SELECT COUNT(ID) FROM $wpdb->users");
$last = $wpdb->get_results("SELECT MAX(post_modified) AS MAX_m FROM $wpdb->posts WHERE (post_type = 'post' OR post_type = 'page') AND (post_status = 'publish' OR post_status = 'private')");
$last = date('Y-n-j', strtotime($last[0]->MAX_m));
$total_views = $wpdb->get_var("SELECT SUM(meta_value+0) FROM $wpdb->postmeta WHERE meta_key = 'views'");
// 显示数据
/*
$op = array(
$published_posts,
$draft_posts,
$comments_count,
$establish_time,
$time,
$count_tags,
$page_posts,
$count_categories,
$link,
$users,
$last
);
$output = "";
foreach ($instance as $key => $value){
switch ($value){
case "1":
case "2":
case "3":
case "4":
case "5":
case "6":
case "7":
case "8":
case "9":
case "10":
case "11":
default: $output .= $this->efan_get_var_name($key, $op);break;
}
}
*/
$output = '<li>日志总数：';
$output .= $published_posts;
$output .= ' 篇</li>';
$output .= '<li>评论数目：';
$output .= $comments_count;
$output .= ' 条</li>';
$output .= '<li>建站日期：';
$output .= $establish_time;
$output .= '</li>';
$output .= '<li>运行天数：';
$output .= $time;
$output .= ' 天</li>';
$output .= '<li>标签总数：';
$output .= $count_tags;
$output .= ' 个</li>';
$output .= '<li>浏览次数：';
$output .= $total_views;
$output .= ' 次</li>';
if (is_user_logged_in()){
$output .= '<li>草稿数目：';
$output .= $draft_posts;
$output .= ' 篇</li>';
$output .= '<li>页面总数：';
$output .= $page_posts;
$output .= ' 个</li>';
$output .= '<li>分类总数：';
$output .= $count_categories;
$output .= ' 个</li>';
$output .= '<li>友链总数：';
$output .= $link;
$output .= ' 个</li>';
}
if (get_option("users_can_register") == 1){
$output .= '<li>用户总数：';
$output .= $users;
$output .= ' 个</li>';
}
$output .= '<li>最后更新：';
$output .= $last;
$output .= '</li>';
echo $output;
}
/*
function efan_get_var_name($key, $op){
extract($op);
switch ($key){
case "post_count_no": return '<li>日志总数：'.$published_posts.' 篇</li>';
case "draft_count_no": return '<li>草稿数目：'.$draft_posts.' 篇</li>';
case "comment_count_no": return '<li>评论数目：'.$draft_posts.' 条</li>';
case "establish_date_no": return '<li>建站日期：'.$establish_time.'</li>';
case "establish_time_no": return '<li>运行天数：'.$time.' 天</li>';
case "tag_count_no": return '<li>标签总数：'.$count_tags.' 个</li>';
case "page_count_no": return '<li>页面总数：'.$page_posts.' 个</li>';
case "cat_count_no": return '<li>分类总数：'.$count_categories.' 个</li>';
case "link_count_no": return '<li>友链总数：'.$link.' 个</li>';
case "user_count_no": return '<li>用户总数：'.$users.' 个</li>';
case "last_update_no": return '<li>最后更新：'.$last.'</li>';
}
}
*/
}
function EfanBlogStat(){
// 注册小工具
register_widget('EfanBlogStat');
}
add_action('widgets_init','EfanBlogStat');
?>2. 打开主题目录下的 function.php，在最后一个 ?> 前插入以下代码：
include("tongji.php");
3. 到“后台——外观——小工具”中添加“博客统计”小工具即可。
这个不错，试试