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刷新不累加的WordPress文章浏览次数统计功能

    • 珂李斯

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    对于开放了会员注册的wordpress网站而言，用户积分是提升会员活跃度的一个重要元素，给wordpress增…

    对于开放了会员注册的wordpress网站而言，用户积分是提升会员活跃度的一个重要元素，给wordpress增添用户积分功能可以通过myCRED、CubePoints等wordpress积分插件实现，同时也可以通过主题集成相关代码的方式实现，下面是阿树工作室分享的wordpress用户积分实现代码。

    实现思路

    需要准备两个数据表
    1. 积分动态表，用来记录所有用户的积分增减情况。
    2. 用户积分总表，用来记录用户的积分总量，当然用户积分总数可以记录到usermeta数据表中，所以这个表不是必须的。
    后台需要3个页面
    1. 积分动态，从“积分动态表”中获取数据，展示用户积分动态。
    2. 用户积分，从“用户积分表”中获取数据，方便查看用户的积分总量。
    3. 积分增减页面，用于给用户增减积分。

    操作步骤

    新建数据表

    积分动态表points_activity中的字段有id，用户id，积分(异动数)，描述，余额，时间。

    用户积分表points中的字段就两个：用户id，积分数。

    在主题functions.php文件添加以下代码：

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        //在第一次启用主题时执行。
    function ashuwp_load_theme() {
      global $pagenow;
      if ( is_admin() && 'themes.php' == $pagenow && isset( $_GET['activated'] ) ){
        ashuwp_points_install();
      }
    }
    add_action( 'load-themes.php', 'ashuwp_load_theme' );
    //新建数据表points_activity和points
    function ashuwp_points_install(){
      global $wpdb;
      $table_name = $wpdb->prefix . 'points_activity'; //积分动态表
      $table_name2 = $wpdb->prefix . 'points'; //积分汇总表
      $charset_collate = $wpdb->get_charset_collate();
      if( $wpdb->get_var("SHOW TABLES LIKE '$table_name'") != $table_name ) :
        $sql = " CREATE TABLE `".$table_name."` (
          `id` BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
          `user_id` BIGINT(40),
          `points` INT NOT NULL,
          `description` longtext,
          `balance` INT NOT NULL,
          `date` DATETIME NOT NULL
          ) $charset_collate;";
        require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
        dbDelta($sql);
      endif;
      if( $wpdb->get_var("SHOW TABLES LIKE '$table_name2'") != $table_name2 ) :
        $sql2 = " CREATE TABLE `".$table_name2."` (
          `user_id` BIGINT(40) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
          `points` INT NOT NULL
        ) $charset_collate;";
        dbDelta($sql2);
      endif;
    }
    数据库操作函数

    1、先是对用户积分表points的操作，用户积分所需要的操作仅需要更新、获取两个操作。

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        //根据用户id获取某个用户的积分数
    function ashuwp_get_user_points($user_id){
      global $wpdb;
      $user = get_user_by('ID', $user_id);
      if(!$user){
        return 0;
      }
      $points_table = $wpdb->prefix . 'points';
      $sql = "select points from ".$points_table." where user_id={$user_id}";
      $result = $wpdb->get_var($sql);
      if(!$result){
        return 0;
      }else{
        return $result;
      }
    }
    //更新(新增)用户积分.
    function ashuwp_update_user_points($user_id, $new_points){
      global $wpdb;
      $user = get_user_by('ID', $user_id);
      if(!$user){
        $msg = array(
          'state' => 'error',
          'msg' => 'User Error',
        );
        return $msg;
      }
      if( !is_numeric($new_points)|| $new_points<0){
        $msg = array(
          'state' => 'error',
          'msg' => 'Points not number or points error',
        );
        return $msg;
      }
      $points_table = $wpdb->prefix . 'points';
      $points_exist = $wpdb->get_var( "select count(*) from {$points_table} where user_id='{$user_id}'" );
      if($points_exist){
        $sql = "update {$points_table} set points='{$new_points}' where user_id='{$user_id}'";
      }else{
        $sql = "insert into {$points_table} ( user_id, points ) values( '{$user_id}', '{$new_points}' )";;
      }
      $result = $wpdb->query($sql);
      if($result){
        $msg = array(
          'state' => 'succeed',
          'msg' => 'Points Updated.',
        );
        return $msg;
      }else{
        $msg = array(
          'state' => 'error',
          'msg' => 'Points update failed.',
        );
        return $msg;
      }
    }
    //从用户积分表获取数据，后台积分汇总页面需要获取数据。
    function ashuwp_get_points( $args=array() ){
      global $wpdb;
      $defaults = array(
        'per_page' => '50',
        'paged' => '1',
      );
      $args = wp_parse_args( $args, $defaults );
      $page = (int)$args['paged'];
      $per_page = (int)$args['per_page'];
      if(!$page){
        $page = 1;
      }
      if(!$per_page){
        $per_page = 50;
      }
      $begin = $per_page*($page-1);
      $end = $per_page*$page;
      $points_table = $wpdb->prefix . 'points';
      $sql = "select * from $points_table order by user_id asc limit $begin,$end";
      $results = $wpdb->get_results($sql,'ARRAY_A');
      return $results;
    }
    //统计数据条数，后台积分汇总页面需要获取数据。
    function ashuwp_count_points(){
      global $wpdb;
      $points_table = $wpdb->prefix . 'points';
      $sql = "select count(*) from $points_table";
      $results = $wpdb->get_var($sql);
      return $results;
    }

    2、然后是对积分动态表的操作仅需要增加即可，不需要删除。

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        /*增加入一条积分动态*/
    function ashuwp_add_points_activity( $args=array() ){
      global $wpdb;
      $defaults = array(
        'user_id' => '',
        'action' => '',
        'points' => '',
        'description' => '',
        'date' => ''
      );
      $args = wp_parse_args( $args, $defaults );
      //判断用户id是否合法
      $user = get_user_by('ID', $args['user_id']);
      if(!$user){
        $msg = array(
          'state' => 'error',
          'msg' => 'User Error',
        );
        return $msg;
      }
      //仅增加和减少两种操作。
      if( !in_array( $args['action'], array( 'add', 'reduce' ) )){
        $msg = array(
          'state' => 'error',
          'msg' => 'Operate Error',
        );
        return $msg;
      }
      //检测积分异动数是否合法
      if( !is_int($args['points']) ){
        $msg = array(
          'state' => 'error',
          'msg' => 'Points Error',
        );
        return $msg;
      }
      //处理描述
      $args['description'] = sanitize_text_field($args['description']);
      //处理异动数，和计算余额
      $old_points = (int)ashuwp_get_user_points($args['user_id']);
      if($args['action']=='add'){
        $balance = $old_points+$args['points'];
        $change = $args['points'];
        if($balance!=$old_points){
          //将新余额更新到用户积分表。
          $update = ashuwp_update_user_points($args['user_id'],$balance);
        }
      }
      if($args['action']=='reduce'){
        $balance = $old_points-$args['points'];
        $change = -$args['points']; //若是减少，数据库中保存为负数。
        if($balance!=$old_points){
          $update = ashuwp_update_user_points($args['user_id'],$balance);
        }
      }
      if( ($balance!=$old_points) && $update['state'] != 'succeed' ){
        $msg = array(
          'state' => 'error',
          'msg' => $update['msg'],
        );
        return $msg;
      }
      $table_name = $wpdb->prefix . 'points_activity';
      //插入数据
      $args['date'] = date( "Y-m-d H:i:s", time());
      $sql = "insert into $table_name ( user_id, points, description, balance, date ) values( '{$args['user_id']}', '{$change}', '{$args['description']}', '{$balance}', '{$args['date']}' )";
      $result = $wpdb->query($sql);
      if($result){
        $msg = array(
          'state' => 'succeed',
          'msg' => 'succeed!',
        );
        return $msg;
      }else{
        //若动态插入失败，将用户积分表回滚。
        ashuwp_update_user_points($args['user_id'],$old_points);
        $msg = array(
          'state' => 'error',
          'msg' => 'Insert Error',
        );
        return $msg;
      }
    }
    /*从积分动态表中获取数据，后台页面中需要。
    * 需支持条件查询方便后台管理。
    */
    function ashuwp_get_points_activity( $args=array() ){
      global $wpdb;
      $defaults = array(
        'user_id' => '',
        'per_page' => '50',
        'paged' => '1',
        'action' => ''
      );
      $args = wp_parse_args( $args, $defaults );
      //处理页码
      $page = (int)$args['paged'];
      $per_page = (int)$args['per_page'];
      if(!$page){
        $page = 1;
      }
      if(!$per_page){
        $per_page = 50;
      }
      $begin = $per_page*($page-1);
      $end = $per_page*$page;
      $table_name = $wpdb->prefix . 'points_activity';
      $sql = "select * from $table_name where 1=1 ";
      //查询用户id
      if($args['user_id']!=''){
        $user_id = (int)$args['user_id'];
        $sql .= "and user_id='{$user_id}' ";
      }
      //查询操作种类
      if( in_array( $args['action'], array( 'add', 'reduce', 'remain' ) ) ){
        if($args['action']=='add'){
          $sql .= "and points>0 ";
        }
        if($args['action']=='reduce'){
          $sql .= "and points<0 ";
        }
        if($args['action']=='remain'){
          $sql .= "and points=0 ";
        }
      }
      $sql .= "order by id desc limit $begin,$end";
      $results = $wpdb->get_results($sql,'ARRAY_A');
      return $results;
    }
    /*统计积分动态的记录数
    * 加入统计条件方便后台管理
    */
    function ashuwp_count_points_activity( $args=array() ){
      global $wpdb;
      $defaults = array(
        'user_id' => '',
        'action' => ''
      );
      $args = wp_parse_args( $args, $defaults );
      $table_name = $wpdb->prefix . 'points_activity';
      $sql = "select count(*) from $table_name where 1=1 ";
      //统计用户
      if($args['user_id']!=''){
        $user_id = (int)$args['user_id'];
        $sql .= "and user_id='{$user_id}' ";
      }
      //统计操作
      if( in_array( $args['action'], array( 'add', 'reduce', 'remain' ) ) ){
        if($args['action']=='add'){
          $sql .= "and points>0 ";
        }
        if($args['action']=='reduce'){
          $sql .= "and points<0 ";
        }
        if($args['action']=='remain'){
          $sql .= "and points=0 ";
        }
      }
      $results = $wpdb->get_var($sql);
      return $results;
    }
    建立后台页面

    1、积分动态页面。

    后台页面设计到class-wp-list-table类的应用。

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        if(!class_exists('WP_List_Table')) {
        require_once( ABSPATH . 'wp-admin/includes/class-wp-list-table.php' );
    }
    class Ashuwp_Points_Activity_Table extends WP_List_Table {
      function __construct(){
        parent::__construct( array(
          'singular'  => 'Points Activity',
          'plural'    => 'Points Activity',
          'ajax'      => false
        ) );
      }
      function column_default( $item, $column_name ) {
        switch ( $column_name ){
          case 'id':
          case 'user':
          case 'points':
          case 'balance':
          case 'description':
          case 'date':
            return $item[ $column_name ];
          default:
            return print_r($item,true);
        }
      }
      function get_columns() {
        $columns = array(
          'id'       => 'ID',
          'user'    => 'User',
          'points'      => 'Points',
          'balance'     => 'Balance',
          'description' => 'Description',
          'date'    => 'Date',
        );
        return $columns;
      }
      function format_activity( $datas ) {
        $return_datas = array();
        foreach( $datas as $data ){
          $user = get_user_by('id', $data['user_id']);
          $item_array = array();
          $item_array['id'] = $data['id'];
          $item_array['user'] = $user->user_login;
          if($data['points']<0){
            $item_array['points'] = '<span class="reduce">'.$data['points'].'</span>';
          }elseif($data['points']>0){
            $item_array['points'] = '<span class="add">+'.$data['points'].'</span>';
          }else{
            $item_array['points'] = '<span class="remain">'.$data['points'].'</span>';
          }
          $item_array['description'] = $data['description'];
          $item_array['balance'] = $data['balance'];
          $item_array['date'] = $data['date'];
          $return_datas[] = $item_array;
        }
        return $return_datas;
      }
      function prepare_items() {
        $this->_column_headers = $this->get_column_info();
        $per_page     = $this->get_items_per_page( 'customers_per_page', 50 );
        $current_page = $this->get_pagenum();
        $total_items  = 0;
        $args = array(
          'per_page' => $per_page,
          'paged' => $current_page,
        );
        if( isset( $_GET['user_name'] ) && !empty( trim($_GET['user_name']) ) ){
          $user = get_user_by( 'login', trim($_GET['user_name']) );
          if( !empty($user)){
            $args['user_id'] = $user->ID;
          }
        }
        if( isset( $_GET['action_name'] ) && !empty( trim($_GET['action_name']) ) ){
          if( in_array( $_GET['action_name'], array( 'add', 'reduce', 'remain' ) ) ){
            $args['action'] = $_GET['action_name'];
          }
        }
        $total_items  = ashuwp_count_points_activity($args);
        $datas = ashuwp_get_points_activity($args);
        $this->items = $this->format_activity($datas);
        $this->set_pagination_args( array(
          'total_items' => $total_items,
          'per_page'    => $per_page,
          'total_pages' => ceil($total_items/$per_page)
        ) );
      }
    }
    class ashuwp_points_activity_admin {
      static public $instance;
      public $points_activity_obj;
      private function __construct(){
        add_filter( 'set-screen-option', array( $this, 'set_screen' ), 10, 3 );
        add_action( 'admin_menu', array( $this, 'ashuwp_points_activity_menu') );
      }
      private function __clone() {
      }
      function ashuwp_points_activity_menu() {
        //svg图
        $dollor_ico = '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';
        //建立积分动态页面
        $hook = add_menu_page( 'Points Activity', 'Points Activity', 'manage_options', 'points_activity', array(&$this, 'points_activity_list'),'data:image/svg+xml;base64,'.$dollor_ico, 9);
        add_action( "load-$hook", array( $this, 'screen_option' ) );
      }
      function set_screen( $status, $option, $value ) {
        return $value;
      }
      function screen_option() {
        $option = 'per_page';
        $args   = array(
          'label'   => 'Customers',
          'default' => 30,
          'option'  => 'customers_per_page'
        );
        add_screen_option( $option, $args );
        $this->points_activity_obj = new Ashuwp_Points_Activity_Table();
      }
      function points_activity_list(){
        $all = ashuwp_count_points_activity();
        $points_add = ashuwp_count_points_activity( array( 'action'=>'add' ) );
        $points_reduce = ashuwp_count_points_activity( array( 'action'=>'reduce' ) );
        $points_remain = ashuwp_count_points_activity( array( 'action'=>'remain' ) );
      ?>
        <div class="wrap">
          <h2 class="wp-heading-inline">Points Activity</h2>
          <a href="<?php echo admin_url( 'admin.php?page=points_activity_add' ); ?>" class="page-title-action">Add/Reduce</a>
          <?php
          if ( ! empty( $_GET['user_name'] ) ) {
            printf( '<span class="subtitle">' . __('Search results for “%s”') . '</span>', esc_html( $_GET['user_name'] ) );
          }
          ?>
          <hr class="wp-header-end">
          <ul class="subsubsub">
            <?php
            if( !empty( $_GET['action_name'] ) && in_array( trim($_GET['action_name']), array( 'add', 'reduce', 'remain' ) ) ){
              $now = trim($_GET['action_name']);
            }else{
              $now = 'all';
            }
            $current = 'class="current"';
            ?>
            <li class="all"><a <?php if($now=='all'){ echo $current; } ?> href="<?php echo admin_url( 'admin.php?page=points_activity' ); ?>">All<span class="count">(<?php echo $all; ?>)</span></a> |</li>
            <li class="add"><a <?php if($now=='add'){ echo $current; } ?> href="<?php echo admin_url( 'admin.php?page=points_activity&action_name=add' ); ?>">Add<span class="count">(<?php echo $points_add; ?>)</span></a> |</li>
            <li class="reduce"><a <?php if($now=='reduce'){ echo $current; } ?> href="<?php echo admin_url( 'admin.php?page=points_activity&action_name=reduce' ); ?>">Reduce<span class="count">(<?php echo $points_reduce; ?>)</span></a> |</li>
            <li class="remain"><a <?php if($now=='remain'){ echo $current; } ?> href="<?php echo admin_url( 'admin.php?page=points_activity&action_name=remain' ); ?>">Remain<span class="count">(<?php echo $points_remain; ?>)</span></a></li>
          </ul>
          <form id="points-activity-filter" method="get" action="">
            <style>
            th.column-id,
            td.column-id,
            th.column-user,
            td.column-user,
            th.column-points,
            td.column-points,
            th.column-balance,
            td.column-balance {
              width:10%;
            }
            .column-points .add {
              color:#46b450;
            }
            .column-points .reduce {
              color:#e74c3c;
            }
            </style>
            <p class="search-box">
              <label class="screen-reader-text" for="code-search-input">User Search</label>
              <input type="search" id="code-search-input" name="user_name" value="" />
              <?php submit_button( 'Search', 'button', false, false, array('id' => 'search-submit') ); ?>
              <input type="hidden" name="page" value="points_activity" />
            </p>
            <?php
            $this->points_activity_obj->prepare_items();
            $this->points_activity_obj->display();
            ?>
          </form>
        </div>
      <?php
      }
      public static function get_instance() {
        if ( ! isset( self::$instance ) ) {
          self::$instance = new self();
        }
        return self::$instance;
      }
    }
    ashuwp_points_activity_admin::get_instance();

    2、用户积分页面

    与积分动态页面类似，用户积分页面也需要用表格展示。

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        if(!class_exists('WP_List_Table')) {
        require_once( ABSPATH . 'wp-admin/includes/class-wp-list-table.php' );
    }
    class Ashuwp_User_Points_Table extends WP_List_Table {
      function __construct(){
        parent::__construct( array(
          'singular'  => 'User Points',
          'plural'    => 'User Points',
          'ajax'      => false
        ) );
      }
      function column_default( $item, $column_name ) {
        switch ( $column_name ){
          case 'user_id':
          case 'user_login':
          case 'points':
            return $item[ $column_name ];
          default:
            return print_r($item,true);
        }
      }
      function get_columns() {
        $columns = array(
          'user_id'       => 'User ID',
          'user_login'    => 'User Name',
          'points'      => 'Points',
        );
        return $columns;
      }
      function format_datas( $datas ) {
        $return_datas = array();
        foreach( $datas as $data ){
          $user = get_user_by('id', $data['user_id']);
          $item_array = array();
          $item_array['user_id'] = $data['user_id'];
          $item_array['user_login'] = $user->user_login;
          $item_array['points'] = $data['points'];
          $return_datas[] = $item_array;
        }
        return $return_datas;
      }
      function prepare_items() {
        $this->_column_headers = $this->get_column_info();
        $per_page     = $this->get_items_per_page( 'customers_per_page', 50 );
        $current_page = $this->get_pagenum();
        $total_items  = 0;
        $args = array(
          'per_page' => $per_page,
          'paged' => $current_page,
        );
        $total_items  = ashuwp_count_points();
        $datas = ashuwp_get_points($args);
        $this->items = $this->format_datas($datas);
        $this->set_pagination_args( array(
          'total_items' => $total_items,
          'per_page'    => $per_page,
          'total_pages' => ceil($total_items/$per_page)
        ) );
      }
    }
    class ashuwp_user_points_admin {
      static public $instance;
      public $user_points_obj;
      private function __construct(){
        add_filter( 'set-screen-option', array( $this, 'set_screen' ), 10, 3 );
        add_action( 'admin_menu', array( $this, 'ashuwp_user_points_menu') );
      }
      private function __clone() {
      }
      function ashuwp_user_points_menu() {
        $hook = add_submenu_page('points_activity', 'User Points', 'User Points', 'manage_options', 'user_points', array(&$this, 'user_points'));
        add_action( "load-$hook", array( $this, 'screen_option' ) );
      }
      function set_screen( $status, $option, $value ) {
        return $value;
      }
      function screen_option() {
        $option = 'per_page';
        $args   = array(
          'label'   => 'Customers',
          'default' => 30,
          'option'  => 'customers_per_page'
        );
        add_screen_option( $option, $args );
        $this->user_points_obj = new Ashuwp_User_Points_Table();
      }
      function user_points(){
        $all = ashuwp_count_points();
      ?>
        <div class="wrap">
          <h2 class="wp-heading-inline">User Points</h2>
          <a href="<?php echo admin_url( 'admin.php?page=points_activity_add' ); ?>" class="page-title-action">Add/Reduce</a>
          <hr class="wp-header-end">
          <ul class="subsubsub">
            <li class="all"><a class="current" href="<?php echo admin_url( 'admin.php?page=user_points' ); ?>">All<span class="count">(<?php echo $all; ?>)</span></a></li>
          </ul>
          <form id="points-activity-filter" method="get">
            <?php
            $this->user_points_obj->prepare_items();
            $this->user_points_obj->display();
            ?>
          </form>
        </div>
      <?php
      }
      public static function get_instance() {
        if ( ! isset( self::$instance ) ) {
          self::$instance = new self();
        }
        return self::$instance;
      }
    }
    ashuwp_user_points_admin::get_instance();

    3、积分增减页面

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        if(!class_exists('WP_List_Table')) {
        require_once( ABSPATH . 'wp-admin/includes/class-wp-list-table.php' );
    }
    class Ashuwp_User_Points_Table extends WP_List_Table {
      function __construct(){
        parent::__construct( array(
          'singular'  => 'User Points',
          'plural'    => 'User Points',
          'ajax'      => false
        ) );
      }
      function column_default( $item, $column_name ) {
        switch ( $column_name ){
          case 'user_id':
          case 'user_login':
          case 'points':
            return $item[ $column_name ];
          default:
            return print_r($item,true);
        }
      }
      function get_columns() {
        $columns = array(
          'user_id'       => 'User ID',
          'user_login'    => 'User Name',
          'points'      => 'Points',
        );
        return $columns;
      }
      function format_datas( $datas ) {
        $return_datas = array();
        foreach( $datas as $data ){
          $user = get_user_by('id', $data['user_id']);
          $item_array = array();
          $item_array['user_id'] = $data['user_id'];
          $item_array['user_login'] = $user->user_login;
          $item_array['points'] = $data['points'];
          $return_datas[] = $item_array;
        }
        return $return_datas;
      }
      function prepare_items() {
        $this->_column_headers = $this->get_column_info();
        $per_page     = $this->get_items_per_page( 'customers_per_page', 50 );
        $current_page = $this->get_pagenum();
        $total_items  = 0;
        $args = array(
          'per_page' => $per_page,
          'paged' => $current_page,
        );
        $total_items  = ashuwp_count_points();
        $datas = ashuwp_get_points($args);
        $this->items = $this->format_datas($datas);
        $this->set_pagination_args( array(
          'total_items' => $total_items,
          'per_page'    => $per_page,
          'total_pages' => ceil($total_items/$per_page)
        ) );
      }
    }
    class ashuwp_user_points_admin {
      static public $instance;
      public $user_points_obj;
      private function __construct(){
        add_filter( 'set-screen-option', array( $this, 'set_screen' ), 10, 3 );
        add_action( 'admin_menu', array( $this, 'ashuwp_user_points_menu') );
      }
      private function __clone() {
      }
      function ashuwp_user_points_menu() {
        $hook = add_submenu_page('points_activity', 'User Points', 'User Points', 'manage_options', 'user_points', array(&$this, 'user_points'));
        add_action( "load-$hook", array( $this, 'screen_option' ) );
      }
      function set_screen( $status, $option, $value ) {
        return $value;
      }
      function screen_option() {
        $option = 'per_page';
        $args   = array(
          'label'   => 'Customers',
          'default' => 30,
          'option'  => 'customers_per_page'
        );
        add_screen_option( $option, $args );
        $this->user_points_obj = new Ashuwp_User_Points_Table();
      }
      function user_points(){
        $all = ashuwp_count_points();
      ?>
        <div class="wrap">
          <h2 class="wp-heading-inline">User Points</h2>
          <a href="<?php echo admin_url( 'admin.php?page=points_activity_add' ); ?>" class="page-title-action">Add/Reduce</a>
          <hr class="wp-header-end">
          <ul class="subsubsub">
            <li class="all"><a class="current" href="<?php echo admin_url( 'admin.php?page=user_points' ); ?>">All<span class="count">(<?php echo $all; ?>)</span></a></li>
          </ul>
          <form id="points-activity-filter" method="get">
            <?php
            $this->user_points_obj->prepare_items();
            $this->user_points_obj->display();
            ?>
          </form>
        </div>
      <?php
      }
      public static function get_instance() {
        if ( ! isset( self::$instance ) ) {
          self::$instance = new self();
        }
        return self::$instance;
      }
    }
    ashuwp_user_points_admin::get_instance();

    实际应用

    在遇到某个操作比如：充值成功、购买成功、发表评论，执行ashuwp_add_points_activity函数即可。

    示例：充值成功增加积分。

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        //准备参数
    $user_id = 1; //用户id
    $points = 10; //积分数
    $desc = '充值:'.$points;
    $args = array(
      'user_id' => $user_id,
      'action' => 'add', //增加
      'points' => $points,
      'description' => $desc,
    );
    $chognzhi = ashuwp_add_points_activity($args);

    温馨提示：本教程的思路、代码仅供参考，代码为原作者从实际项目中剥离而来，在代码处理过程中，难免会出现错误，因此如果遇到有两个连续的empty请自行删除一个。

    教程原地址：http://www.ashuwp.com/courses/supplement/895.html

    类别：WordPress教程、

    本文收集自互联网，转载请注明来源。
    如有侵权，请联系 wper_net@163.com 删除。

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