本文将带你了解微信开发模式（php），希望本文对大家学微信有所帮助。

才開始学习模式和PHP，在此记录以供后阅。

responseMsg();}else {    $wechatObj->valid();}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 ) ) {            /* libxml_disable_entity_loader   is to prevent XML eXternal Entity Injection,                   the best way is to check   the validity of xml by yourself */              libxml_disable_entity_loader( true );            $postObj = simplexml_load_string(   $postStr, 'SimpleXMLElement', LIBXML_NOCDATA );            $RX_TYPE = trim(   $postObj->MsgType );              switch ( $RX_TYPE ) {              case "text":                  $resultStr = $this->receiveText( $postObj );                break;            case "event":                $resultStr =   $this->receiveEvent( $postObj );                break;            default:                $resultStr =   "";                  break;            }            echo $resultStr;        } else {            echo "";            exit;        }      }    private function   receiveText( $object ) {          $getkeyword = $object->Content;        switch ( $getkeyword ) {        case '产品':            $funcFlag = 0;            $contentStr =   "产品链接://www.xxx.com/products/";            $resultStr =   $this->transmitText( $object, $contentStr, $funcFlag );            break;        case '新闻':            $funcFlag = 0;            $contentStr   ="新闻链接://www.xxx.com/news/";            $resultStr =   $this->transmitText( $object, $contentStr, $funcFlag );            break;        case '方案':            $funcFlag = 0;            $contentStr   ="方案链接://www.xxx.com/articles/";            $resultStr = $this->transmitText(   $object, $contentStr, $funcFlag );              break;        case '我们':            $funcFlag = 0;            $contentStr   ="我们链接://www.xxx.com/culture/?

type=detail&id=1";   $resultStr = $this->transmitText( $object, $contentStr, $funcFlag );   break; default: break; } return $resultStr; } private function receiveEvent(   $object ) { $contentStr = ""; switch ( $object->Event ) {   case "subscribe": $contentStr = "欢迎您关注xxx"; case   "unsubscribe": break; case "CLICK": switch (   $object->EventKey ) { case "V1001_GETCODE": $contentStr =   "xxx"; break; case "V1002_HISTORY": $contentStr[] =   array( "Title" =>"最后一条历史记录",   "Description" =>"xxx", "PicUrl"   =>"xxx", "Url" =>"xxx" ); break;   case "V2001_INTERDUCE": $contentStr[] = array( "Title"   =>"xxx", "Description" =>"xxx",   "Url" =>"//mp.weixin.qq.com/xxx" ); break;   case "V3001_JOIN": $getuid = $this->getUid( $object ); if (   $getuid==1 ) { $contentStr = 'Could not connect: '.mysql_error(); }else { $contentStr =   "唯一码：".$getuid; } break; default: $contentStr[] = array(   "Title" =>"默认菜单回复", "Description" =>"xxx",   "PicUrl" =>"xxx", "Url"   =>"xxx" ); break; } break; default: break; } if ( is_array(   $contentStr ) ) { $resultStr = $this->transmitNews( $object,   $contentStr ); }else { $resultStr = $this->transmitText( $object,   $contentStr ); } return $resultStr; } private function transmitText( $object,   $content, $funcFlag = 0 ) { $textTpl = "  %s   %d"; $resultStr = sprintf(   $textTpl, $object->FromUserName, $object->ToUserName, time(),   $content, $funcFlag ); return $resultStr; } private function transmitNews(   $object, $arr_item, $funcFlag = 0 ) { if ( !is_array( $arr_item ) ) return;   $itemTpl =   "  "; $item_str   = ""; foreach ( $arr_item as $item ) $item_str .= sprintf(   $itemTpl, $item['Title'], $item['Description'], $item['PicUrl'], $item['Url']   ); $newsTpl = "  %s   %s $item_str %s"; $resultStr = sprintf(   $newsTpl, $object->FromUserName, $object->ToUserName, time(),   count( $arr_item ), $funcFlag ); return $resultStr; } /* 生成唯一码*/ public   function getUid( $object ) { $getOpenid = $object->FromUserName; $con   = mysql_connect( "localhost", "root", "xxx" );   mysql_select_db( "xxx", $con ); if ( !$con ) { return 1; } $flag =   true; $getUserresult = mysql_query( "SELECT * FROM loginuser WHERE   openid = '".$getOpenid."'" ); $getuserrow = mysql_num_rows(   $getUserresult ); if ( $getuserrow>0 ) { $userrow = mysql_fetch_array(   $getUserresult ); if ( $userrow['state']==0 ) { return   $userrow['userPassword']."[未完毕考试]"; $flag = false; }else { return   $userrow['userPassword']."[已完毕考试]"; $flag = false; } } /* 循环确定唯一性   */ while ( $flag ) { $uid = uniqid( true ); $uid = substr( $uid, -8 );   $result = mysql_query( "SELECT * FROM loginuser where userPassword =   '".$uid."'" ); $row = mysql_num_rows( $result ); if ( $row ==   0 ) { mysql_query( "INSERT INTO loginuser (userPassword,state,openid)   VALUES ('".$uid."','0','".$getOpenid."')" );   mysql_close( $con ); return $uid; $flag =false; } } } private function   getUidtest( $object ) { return $object->FromUserName; } private   function checkSignature() { // you must define TOKEN by yourself if ( !defined(   "TOKEN" ) ) { throw new Exception( 'TOKEN is not defined!' ); }   $signature = $_GET["signature"]; $timestamp =   $_GET["timestamp"]; $nonce = $_GET["nonce"]; $token =   TOKEN; $tmpArr = array( $token, $timestamp, $nonce ); // use SORT_STRING rule   sort( $tmpArr, SORT_STRING ); $tmpStr = implode( $tmpArr ); $tmpStr = sha1(   $tmpStr ); if ( $tmpStr == $signature ) { return true; }else { return false;   } } } ?>

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