widgets.php

<?php

//启用css和js
function island_widget_js() {
  global $wp_customize;
  if ( ! isset( $wp_customize ) ) {
    wp_enqueue_script( 'dashboard-js', get_template_directory_uri() . '/js/dashboard.js', array('jquery','jquery-ui-datepicker','jquery-ui-sortable','jquery-ui-sortable', 'jquery-ui-draggable','jquery-ui-droppable','admin-widgets' ) );
  }
  wp_enqueue_style( 'dashboard-style', get_template_directory_uri() . '/css/dashboard.css', array() );
}
add_action( 'admin_enqueue_scripts', 'island_widget_js' ); 

/**
 *
 * 最新评论
 *
 */
if( ! class_exists( 'CS_Widget_comment' ) ) {
  class CS_Widget_comment extends WP_Widget {
	//构建函数
    function __construct() {

      $widget_ops     = array(
        'classname'   => 'cs_widget_comment',
        'description' => '最新评论'
      );

      parent::__construct( 'cs_widget_comment', 'island最新评论', $widget_ops );

    }
	//前台显示函数

    function widget( $args, $instance ) {

      extract( $args );

      echo $before_widget;

	  if ( ! empty( $instance['title'] ) ) {
		 echo $before_title . $instance['title'] . $after_title;
	  }

      echo '<div class="textwidget" id="comment-list"><ul>';
		h_comments($outer='博主',$limit= $instance['number']);
      echo '</ul></div>';

      echo $after_widget;

    }	
	
	//数据更新函数
    function update( $new_instance, $old_instance ) {

      $instance            = $old_instance;
      $instance['title']   = $new_instance['title'];
      $instance['number']    = $new_instance['number'];	  
      return $instance;

    }
	//后台表单函数
    function form( $instance ) {

      //
      // 设置默认值
      // -------------------------------------------------
      $instance   = wp_parse_args( $instance, array(
        'title'   => '最新评论',
        'number'    => '10',		
      ));

      //
      // 标题
      // -------------------------------------------------
      $text_value = esc_attr( $instance['title'] );
      $text_field = array(
        'id'    => $this->get_field_name('title'),
        'name'  => $this->get_field_name('title'),
        'type'  => 'text',
        'title' => '标题',
      );

      echo cs_add_element( $text_field, $text_value );

      //
      // 金额
      // -------------------------------------------------
      $number_value = esc_attr( $instance['number'] );
      $number_field = array(
        'id'    => $this->get_field_name('number'),
        'name'  => $this->get_field_name('number'),
        'type'  => 'number',
        'title' => '数目',
      );

      echo cs_add_element( $number_field, $number_value );  

    }
  } 
}

if ( ! function_exists( 'cs_widget_init_comment' ) ) {
  function cs_widget_init_comment() {
    register_widget( 'CS_Widget_comment' );
  }
  add_action( 'widgets_init', 'cs_widget_init_comment', 2 );
}

// 小工具
// 名称: 博客统计
// 版本: 1.0
// 作者: ipeld14
// 站名: 翼帆远航
// 网址: http://www.ipeld.net


// 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, 'island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']) ? '&nbsp;' : $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));
		// 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>';
		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');


/**
 *
 * CS框架_图像链接
 *
 */
if( ! class_exists( 'CS_Widget_Link' ) ) {
  class CS_Widget_Link extends WP_Widget {
	//构建函数
    function __construct() {

      $widget_ops     = array(
        'classname'   => 'cs_widget_link',
        'description' => '图像链接小工具'
      );

      parent::__construct( 'cs_widget_link', 'island图像链接', $widget_ops );

    }
	//前台显示函数
    function widget( $args, $instance ) {

      extract( $args );

	  $NewTab = $instance['sure'];
      echo '<aside class="textwidget cs_widget_link">';
      echo '<a href="'. $instance['link'] .'"';
	  if ($NewTab == true) { echo 'target="_black"';}
	  echo '><img src="'. $instance['advertising'] .'" />';	  
      echo '</a>';
      echo '</aside>';

    }
	//数据更新函数
    function update( $new_instance, $old_instance ) {

      $instance            = $old_instance;
      $instance['title']   = $new_instance['title'];
      $instance['advertising']    = $new_instance['advertising'];
      $instance['link']    = $new_instance['link'];
      $instance['sure']    = $new_instance['sure'];

      return $instance;

    }
	//后台表单函数
    function form( $instance ) {

      //
      // 设置默认值
      // -------------------------------------------------
      $instance   = wp_parse_args( $instance, array(
        'title'   => '图像链接',
        'advertising'    => '',
        'link'    => '',
        'sure'    => '',
      ));

      //
      // 标题
      // -------------------------------------------------
      $text_value = esc_attr( $instance['title'] );
      $text_field = array(
        'id'    => $this->get_field_name('title'),
        'name'  => $this->get_field_name('title'),
        'type'  => 'text',
        'title' => '标题',
      );

      echo cs_add_element( $text_field, $text_value );

      //
      // 图像
      // -------------------------------------------------
      $upload_value = esc_attr( $instance['advertising'] );
      $upload_field = array(
        'id'    => $this->get_field_name('advertising'),
        'name'  => $this->get_field_name('advertising'),
        'type'  => 'upload',
        'title' => '图像',
      );

      echo cs_add_element( $upload_field, $upload_value );
	  
      //
      // 链接
      // -------------------------------------------------
      $link_value = esc_attr( $instance['link'] );
      $link_field = array(
        'id'    => $this->get_field_name('link'),
        'name'  => $this->get_field_name('link'),
        'type'  => 'text',
        'title' => '链接',
		  'attributes'    => array(
			'placeholder' => 'http://...'
		  )
      );

      echo cs_add_element( $link_field, $link_value );	  
	  
      //
      // 新标签打开
      // -------------------------------------------------
      $switcher_value = esc_attr( $instance['sure'] );
      $switcher_field = array(
        'id'    => $this->get_field_name('sure'),
        'name'  => $this->get_field_name('sure'),
        'type'  => 'switcher',
        'title' => '新标签打开',
      );

      echo cs_add_element( $switcher_field, $switcher_value );
	  

    }
  } 
}

if ( ! function_exists( 'cs_widget_init_Link' ) ) {
  function cs_widget_init_Link() {
    register_widget( 'CS_Widget_Link' );
  }
  add_action( 'widgets_init', 'cs_widget_init_Link', 2 );
}

/**
 *
 * 支付宝按钮
 *
 */
 
if( ! class_exists( 'CS_Widget_Alipay' ) ) {
  class CS_Widget_Alipay extends WP_Widget {
	//构建函数
    function __construct() {

      $widget_ops     = array(
        'classname'   => 'cs_widget_Alipay',
        'description' => '支付宝按钮'
      );

      parent::__construct( 'cs_widget_Alipay', 'island支付宝按钮', $widget_ops );

    }
	//前台显示函数
    function widget( $args, $instance ) {

      extract( $args );
	  
      echo '<aside class="textwidget">';
      echo '<div class="pay_alipay">';
		 echo '<form action="https://shenghuo.alipay.com/send/payment/fill.htm" method="POST" target="_blank" accept-charset="GBK">';
			echo '<input name="optEmail" type="hidden" value="'. $instance['accounts'] .'">';
			echo '<input name="payAmount" type="hidden" value="'. $instance['money'] .'">';
			echo '<input id="title" name="title" type="hidden" value="'. $instance['caption'] .'">';
			echo '<input name="memo" type="hidden" value="'. $instance['remark'] .'">';
			echo '<input style="width:100%" name="pay" type="image" value="转账" src="'. $instance['background'] .'">';
		echo '</form>';
      echo '</div>';
      echo '</aside>';

    }
	//数据更新函数
    function update( $new_instance, $old_instance ) {

      $instance            = $old_instance;
      $instance['title']   = $new_instance['title'];
      $instance['accounts']    = $new_instance['accounts'];
      $instance['money']    = $new_instance['money'];
      $instance['caption']    = $new_instance['caption'];
      $instance['remark'] = $new_instance['remark'];
      $instance['background'] = $new_instance['background'];


      return $instance;

    }
	//后台表单函数
    function form( $instance ) {

      //
      // 设置默认值
      // -------------------------------------------------
      $instance   = wp_parse_args( $instance, array(
        'title'   => '支付宝',
        'accounts'    => '',
        'money'    => '',
        'caption'    => '',
        'remark' => '',
        'background' => '',
      ));

      //
      // 标题
      // -------------------------------------------------
      $text_value = esc_attr( $instance['title'] );
      $text_field = array(
        'id'    => $this->get_field_name('title'),
        'name'  => $this->get_field_name('title'),
        'type'  => 'text',
        'title' => '标题',
      );

      echo cs_add_element( $text_field, $text_value );

      //
      // 账户
      // -------------------------------------------------
      $text_value = esc_attr( $instance['accounts'] );
      $text_field = array(
        'id'    => $this->get_field_name('accounts'),
        'name'  => $this->get_field_name('accounts'),
        'type'  => 'text',
        'title' => '账户',
      );

      echo cs_add_element( $text_field, $text_value );
	  
      //
      // 金额
      // -------------------------------------------------
      $number_value = esc_attr( $instance['money'] );
      $number_field = array(
        'id'    => $this->get_field_name('money'),
        'name'  => $this->get_field_name('money'),
        'type'  => 'number',
        'title' => '金额',
      );

      echo cs_add_element( $number_field, $number_value );
	  
      //
      // 说明
      // -------------------------------------------------
      $text_value = esc_attr( $instance['caption'] );
      $text_field = array(
        'id'    => $this->get_field_name('caption'),
        'name'  => $this->get_field_name('caption'),
        'type'  => 'text',
        'title' => '说明',
      );

      echo cs_add_element( $text_field, $text_value );
	  	  

      //
      // 备注
      // -------------------------------------------------
      $textarea_value = esc_attr( $instance['remark'] );
      $textarea_field = array(
        'id'    => $this->get_field_name('remark'),
        'name'  => $this->get_field_name('remark'),
        'type'  => 'textarea',
        'title' => '备注',
      );

      echo cs_add_element( $textarea_field, $textarea_value );
	 
      //
      // 按钮图片
      // -------------------------------------------------
      $upload_value = esc_attr( $instance['background'] );
      $upload_field = array(
        'id'    => $this->get_field_name('background'),
        'name'  => $this->get_field_name('background'),
        'type'  => 'upload',
        'title' => '按钮图片',
      );

      echo cs_add_element( $upload_field, $upload_value );
	 

    }
  } 
}

if ( ! function_exists( 'cs_widget_init_Alipay' ) ) {
  function cs_widget_init_Alipay() {
    register_widget( 'CS_Widget_Alipay' );
  }
  add_action( 'widgets_init', 'cs_widget_init_Alipay', 2 );
}

/**
 *
 * CS框架_扫码付款
 *
 */
if( ! class_exists( 'CS_Widget_Qr' ) ) {
  class CS_Widget_Qr extends WP_Widget {
	//构建函数
    function __construct() {

      $widget_ops     = array(
        'classname'   => 'cs_widget_qr',
        'description' => 'island扫码付款'
      );

      parent::__construct( 'cs_widget_qr', 'island扫码付款', $widget_ops );

    }
	//前台显示函数
    function widget( $args, $instance ) {

      extract( $args );

      echo $before_widget;

	  if ( ! empty( $instance['title'] ) ) {
		 echo $before_title . $instance['title'] . $after_title;
	  }        
        
	  $NewTab = $instance['sure'];
      echo '<div class="textwidget">';
      echo '<div class="qr-text">'. $instance['text'] .'</div>';
      echo '<div class="qr-wrapper clearfix"><div class="qr-caption"><i class="fa fa-jpy"></i>'. $instance['caption'] .'</div>';
      echo '<div class="qr-alipay"><a href="javascript:void(0)"></a>';
	  echo '<div class="qr-img"><img src="'. $instance['alipay-img'] .'" />支付宝支付</div></div>';	  
      echo '<div class="qr-weixin"><a href="javascript:void(0)"></a>';
	  echo '<div class="qr-img"><img src="'. $instance['weixin-img'] .'" />微信支付</div></div></div>';	  
      echo '</div>';

      echo $after_widget;
        
        
    }
	//数据更新函数
    function update( $new_instance, $old_instance ) {

      $instance            = $old_instance;
      $instance['title']   = $new_instance['title'];
      $instance['caption']    = $new_instance['caption'];
      $instance['text']    = $new_instance['text'];
      $instance['alipay-img']    = $new_instance['alipay-img'];
      $instance['weixin-img']    = $new_instance['weixin-img'];

      return $instance;

    }
	//后台表单函数
    function form( $instance ) {

      //
      // 设置默认值
      // -------------------------------------------------
      $instance   = wp_parse_args( $instance, array(
        'title'   => '扫码付款',
        'text'    => '',
        'alipay-img'    => '',
        'weixin-img'    => '',
      ));

      //
      // 标题
      // -------------------------------------------------
      $text_value = esc_attr( $instance['title'] );
      $text_field = array(
        'id'    => $this->get_field_name('title'),
        'name'  => $this->get_field_name('title'),
        'type'  => 'text',
        'title' => '标题',
      );

      echo cs_add_element( $text_field, $text_value );

      //
      // 说明
      // -------------------------------------------------
      $text_value = esc_attr( $instance['text'] );
      $text_field = array(
        'id'    => $this->get_field_name('text'),
        'name'  => $this->get_field_name('text'),
        'type'  => 'textarea',
        'title' => '说明',
      );        
        
      echo cs_add_element( $text_field, $text_value );        
        
      //
      // 数额
      // -------------------------------------------------
      $text_value = esc_attr( $instance['caption'] );
      $text_field = array(
        'id'    => $this->get_field_name('caption'),
        'name'  => $this->get_field_name('caption'),
        'type'  => 'text',
        'title' => '数额',
      );

      echo cs_add_element( $text_field, $text_value );

      //
      // 支付宝
      // -------------------------------------------------
      $upload_value = esc_attr( $instance['alipay-img'] );
      $upload_field = array(
        'id'    => $this->get_field_name('alipay-img'),
        'name'  => $this->get_field_name('alipay-img'),
        'type'  => 'upload',
        'title' => '支付宝二维码',
      );

      echo cs_add_element( $upload_field, $upload_value );
	  
      //
      // 微信
      // -------------------------------------------------
      $upload_value = esc_attr( $instance['weixin-img'] );
      $upload_field = array(
        'id'    => $this->get_field_name('weixin-img'),
        'name'  => $this->get_field_name('weixin-img'),
        'type'  => 'upload',
        'title' => '微信二维码',
      );

      echo cs_add_element( $upload_field, $upload_value );	  

    }
  } 
}

if ( ! function_exists( 'cs_widget_init_Qr' ) ) {
  function cs_widget_init_Qr() {
    register_widget( 'CS_Widget_Qr' );
  }
  add_action( 'widgets_init', 'cs_widget_init_Qr', 2 );
}