php微信公众号开发之翻页查询

本文为大家分享了php微信公众号开发之翻页查询的具体代码，供大家参考，具体内容如下

注意：公众号列表最多只能列出8列，超出会报错

• 分页原理
• limit 开始位置 , 条数
• (当前页数 - 1) x 每页条数 ， 每页条数
• limit ($Page - 1) * $PageSize , $PageSize
• 0 为开始位置
• mysql_num_rows 条数
• require() 与 require_once() 开始加载，错误停止
• include() 与 include_once() 使用加载，错误跳过
• ceil 进一 向上取整
  

原理：

• 总共10条，每页9条
• n条
• sum 总共几页 ceil ( n / 9 )
• 开始条数 ： （当前页数 - 1 ） x 每页条数
• （key - 1）* 9

注释：+1 是为了说明有多少页

>10 10

核心代码如下：

$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
        $fromUsername = $postObj->FromUserName;
        $toUsername = $postObj->ToUserName;
        $type = $postObj->MsgType;
        $customevent = $postObj->Event;
        $latitude = $postObj->Location_X;
        $longitude = $postObj->Location_Y;
        $keyword = trim($postObj->Content);
        $time = time();
        $textTpl = "
              
              
              %s
              
              %s
              0
              ";       
        switch ($type)
        {  
        case "event";
        if ($customevent=="subscribe")
          {$contentStr = "感谢你的关注\n栏目正在搭建，敬请期待\n回复1看视频教程";}
        break;
        case "image";
          $contentStr = "你的图片很棒！";
          break;
        case "location";
          $contentStr = "你的纬度是{$latitude},经度是{$longitude},我已经锁定！";
          break;
        case "link" ;
          $contentStr = "你的链接有病毒吧！";
          break;
        case "text";
           include("coon.php");
           $num = "SELECT * FROM `kecheng` ";
           $que=mysql_query($num);
           $no=mysql_num_rows($que);//获得条数
           $sumpage=ceil($no/7);
           $page=(intval($keyword)-1)*7;
           $total=$no-$page+1;
           if($total>8)
           {$total=8;} 
           $sql = "SELECT * FROM `kecheng` ORDER BY `id` DESC LIMIT {$page},7";
           $query=mysql_query($sql);        
           $newsTpl = "
            
            
            %s
            
            $total
            
            
            
            
            http://autoguitar.duapp.com/1.jpg
            
            ";
              while($rs=mysql_fetch_array($query)){    
              $newsTpl.="
                    
                   
                   http://dq095.applinzi.com/2.jpg
                   
                   ";
                   }
              $newsTpl.="
                   0
                  ";
           $myresultStr = sprintf($newsTpl, $fromUsername, $toUsername, $time);
           echo $myresultStr;
           break;         
        default;
          $contentStr ="此项功能尚未开发";  
        }
        $msgType="text";
        $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
        echo $resultStr;

coon.php连接数据库代码如下：

index.php整体代码如下：

responseMsg();

class wechatCallbackapiTest
{
  public function valid()
  {
    $echoStr = $_GET["echostr"];

    //valid signature , option
    if($this->checkSignature()){
      echo $echoStr;
      exit;
    }
  }

  public function responseMsg()
  {
    //get post data, May be due to the different environments
    $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];


        //extract post data
    if (!empty($postStr)){

        $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
        $fromUsername = $postObj->FromUserName;
        $toUsername = $postObj->ToUserName;
        $type = $postObj->MsgType;
        $customevent = $postObj->Event;
        $latitude = $postObj->Location_X;
        $longitude = $postObj->Location_Y;
        $keyword = trim($postObj->Content);
        $time = time();
        $textTpl = "
              
              
              %s
              
              %s
              0
              ";       
        switch ($type)
        {  
        case "event";
        if ($customevent=="subscribe")
          {$contentStr = "感谢你的关注\n栏目正在搭建，敬请期待\n回复1看视频教程";}
        break;
        case "image";
          $contentStr = "你的图片很棒！";
          break;
        case "location";
          $contentStr = "你的纬度是{$latitude},经度是{$longitude},我已经锁定！";
          break;
        case "link" ;
          $contentStr = "你的链接有病毒吧！";
          break;
        case "text";
           include("coon.php");
           $num = "SELECT * FROM `kecheng` ";
           $que=mysql_query($num);
           $no=mysql_num_rows($que);//获得条数
           $sumpage=ceil($no/7);
           $page=(intval($keyword)-1)*7;
           $total=$no-$page+1;
           if($total>8)
           {$total=8;} 
           $sql = "SELECT * FROM `kecheng` ORDER BY `id` DESC LIMIT {$page},7";
           $query=mysql_query($sql);        
           $newsTpl = "
            
            
            %s
            
            $total
            
            
            
            
            http://autoguitar.duapp.com/1.jpg
            
            ";
              while($rs=mysql_fetch_array($query)){    
              $newsTpl.="
                    
                   
                   http://dq095.applinzi.com/2.jpg
                   
                   ";
                   }
              $newsTpl.="
                   0
                  ";
           $myresultStr = sprintf($newsTpl, $fromUsername, $toUsername, $time);
           echo $myresultStr;
           break;         
        default;
          $contentStr ="此项功能尚未开发";  
        }
        $msgType="text";
        $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
        echo $resultStr;

      }
  }

  private function checkSignature()
  {
    $signature = $_GET["signature"];
    $timestamp = $_GET["timestamp"];
    $nonce = $_GET["nonce"];  

    $token = TOKEN;
    $tmpArr = array($token, $timestamp, $nonce);
    sort($tmpArr);
    $tmpStr = implode( $tmpArr );
    $tmpStr = sha1( $tmpStr );

    if( $tmpStr == $signature ){
      return true;
    }else{
      return false;
    }
  }
}

?>

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。