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php微信公众号开发之翻页查询

时间：2021-01-15 11:15:05 | 栏目：PHP代码 | 点击：次

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

原理：

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();
        $textTpl = "<xml>
              <ToUserName><![CDATA[%s]]></ToUserName>
              <FromUserName><![CDATA[%s]]></FromUserName>
              <CreateTime>%s</CreateTime>
              <MsgType><![CDATA[%s]]></MsgType>
              <Content>%s</Content>
              <FuncFlag>0</FuncFlag>
              </xml>";       
        switch ($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);        
           $newsTpl = "<xml>
            <ToUserName><![CDATA[%s]]></ToUserName>
            <FromUserName><![CDATA[%s]]></FromUserName>
            <CreateTime>%s</CreateTime>
            <MsgType><![CDATA[news]]></MsgType>
            <ArticleCount>$total</ArticleCount>
            <Articles>
            <item>
            <Title><![CDATA[总共{$sumpage}页，输入页数翻页]]></Title>
            <Description><![CDATA[]]></Description>
            <PicUrl>http://autoguitar.duapp.com/1.jpg</PicUrl>
            <Url><![CDATA[]]></Url>
            </item>";
              while($rs=mysql_fetch_array($query)){    
              $newsTpl.="<item>
                   <Title>$rs[content]</Title> 
                   <Description><![CDATA[]]></Description>
                   <PicUrl>http://dq095.applinzi.com/2.jpg</PicUrl>
                   <Url><![CDATA[]]></Url>
                   </item>";
                   }
              $newsTpl.="</Articles>
                   <FuncFlag>0</FuncFlag>
                  </xml>";
           $myresultStr = sprintf($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：

<?php

    //用 户 名 : $user
    //密　　码 : $pwd
    //主库域名 : $host
    //从库域名 : SAE_MYSQL_HOST_S
    //端　　口 : $port
    //数据库名 : $dbname

    $dbname = "app_dq095";
    $host = "w.rdc.sae.sina.com.cn";
    $port = "3306";
    $user = "4k514n103z";
    $pwd = "2402314li2j1i5im1xy2xizj5y332w2x41k2z203";

    /*接着调用mysql_connect()连接服务器*/
    // 连主库
    $db = mysql_connect($host,$user,$pwd);

    if(!$db){
      die("Connect Server Failed: " . mysql_error($db));
    }

    /*连接成功后立即调用mysql_select_db()选中需要连接的数据库*/
    if (!mysql_select_db($dbname)) {
      die("Select Database Failed: " . mysql_error($db));
    }
    mysql_query("set names utf-8",$db); 

    /*至此连接已完全建立，就可对当前数据库进行相应的操作了*/
    /*！！！注意，无法再通过本次连接调用mysql_select_db来切换到其它数据库了！！！*/
    /* 需要再连接其它数据库，请再使用mysql_connect+mysql_select_db启动另一个连接*/

    /**
       * 接下来就可以使用其它标准php mysql函数操作进行数据库操作
    */

index.php整体代码如下：

<?php
/**
 * wechat php test
 */



//define your token
define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
$wechatObj->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();
        $textTpl = "<xml>
              <ToUserName><![CDATA[%s]]></ToUserName>
              <FromUserName><![CDATA[%s]]></FromUserName>
              <CreateTime>%s</CreateTime>
              <MsgType><![CDATA[%s]]></MsgType>
              <Content>%s</Content>
              <FuncFlag>0</FuncFlag>
              </xml>";       
        switch ($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);        
           $newsTpl = "<xml>
            <ToUserName><![CDATA[%s]]></ToUserName>
            <FromUserName><![CDATA[%s]]></FromUserName>
            <CreateTime>%s</CreateTime>
            <MsgType><![CDATA[news]]></MsgType>
            <ArticleCount>$total</ArticleCount>
            <Articles>
            <item>
            <Title><![CDATA[总共{$sumpage}页，输入页数翻页]]></Title>
            <Description><![CDATA[]]></Description>
            <PicUrl>http://autoguitar.duapp.com/1.jpg</PicUrl>
            <Url><![CDATA[]]></Url>
            </item>";
              while($rs=mysql_fetch_array($query)){    
              $newsTpl.="<item>
                   <Title>$rs[content]</Title> 
                   <Description><![CDATA[]]></Description>
                   <PicUrl>http://dq095.applinzi.com/2.jpg</PicUrl>
                   <Url><![CDATA[]]></Url>
                   </item>";
                   }
              $newsTpl.="</Articles>
                   <FuncFlag>0</FuncFlag>
                  </xml>";
           $myresultStr = sprintf($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;
    }
  }
}

?>

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