在写缓存的时候就用到这个了！用了json_decode就不用老是要去数据库取数据了！减少了数据的请求次数！以下就是Php 循环读取json_decode数据的代码了

<?php
$body = '[
{"bucket_name":"wulinag09","status":"0","cdatetime":"1385619473","used_capacity":"0","total_capacity":"0","region":"beijing"},
{"bucket_name":"wulinag08","status":"0","cdatetime":"1385619360","used_capacity":"0","total_capacity":"0","region":"beijing"},
{"bucket_name":"wulinag07","status":"0","cdatetime":"1385619169","used_capacity":"0","total_capacity":"0","region":"beijing"},
{"bucket_name":"wulinag06","status":"0","cdatetime":"1385618406","used_capacity":"0","total_capacity":"0","region":"beijing"},
{"bucket_name":"wulinag05","status":"0","cdatetime":"1385618247","used_capacity":"0","total_capacity":"0","region":"beijing"},
{"bucket_name":"wulinag04","status":"0","cdatetime":"1385618074","used_capacity":"0","total_capacity":"0","region":"beijing"},
{"bucket_name":"wulinag03","status":"0","cdatetime":"1385435678","used_capacity":"0","total_capacity":"0","region":"beijing"},
{"bucket_name":"wulinag02","status":"0","cdatetime":"1385435395","used_capacity":"0","total_capacity":"0","region":"beijing"}]
';
$content = json_decode($body);
 foreach ($content as $key) {
   echo $key->bucket_name;
  }
?>

使用用显示结果如下：

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