include/conn.php為資料庫連結檔案，不會的網上搜尋
<?php include './include/conn.php'; //資料庫連結檔案$sql_notice = mysql_query('SELECT * FROM gg_notice where enable = "1" limit 0,10');$notice = mysql_fetch_array($sql_notice, MYSQL_ASSOC);print_r ($notice);?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>第一php網提供的教程--將資料庫讀取的資料產生json格式</title><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><!-- <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js" type="text/javascript"/></script> --><script language=javascript></script></head><body><pre><h1>請注意兩種方法產生的對象數組在結構上的區別</h1><?phpecho '<h1>法一</h1>';//假設以下數組是根據我們從資料庫讀取的資料產生的$jarr=array('total'=>239,'row'=>array( array('code'=>'001','name'=>'中國','addr'=>'Address 11','col4'=>'col4 data'), array('code'=>'002','name'=>'Name 2','addr'=>'Address 12','col4'=>'col4 data'), ) );//法一：$jobj=new stdclass();//執行個體化stdclass，這是php內建的空類，可以用來傳遞資料，由於json_decode後的資料是以對象數組的形式存放的，//所以我們產生的時候也要把資料存放區在對象中foreach($jarr as $key=>$value){$jobj->$key=$value;}print_r($jobj);//列印傳遞屬性後的對象echo '使用$jobj->row[0][\'code\']輸出數組元素:'.$jobj->row[0]['code'].'<br>';echo '編碼後的json字串：'.json_encode($jobj).'<br>';//列印編碼後的json字串echo '<hr>';//法二：echo '<h1>法二</h1>';echo '編碼後的json字串：';echo $str=json_encode($jarr);//將數組進行json編碼echo '<br>';$arr=json_decode($str);//再進行json解碼print_r($arr);//列印解碼後的數組，資料存放區在對象數組中echo '使用$arr->row[0]->code輸出數組元素:'.$arr->row[0]->code;?> </body></html>
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