这是什么原因啊、谁能告诉我怎么解决下？

叶凡

ERROR - 2015-10-24 08:21:38 --> Severity: Warning  --> Invalid argument supplied for foreach() D:\ydyy120\application\views\zhuanjia\zj_content1.php 44
ERROR - 2015-10-24 08:24:29 --> Severity: Warning  --> unlink(application/dbcache\20fdbe261431b29e54380af62ea32ffd) [<a href='function.unlink'>function.unlink</a>]: No such file or directory D:\ydyy120\application\libraries\Dbcache.php 90
ERROR - 2015-10-24 08:24:29 --> Severity: Warning  --> unlink(application/dbcache\c23c7c65259eb5cc13187c87bab6a2ae) [<a href='function.unlink'>function.unlink</a>]: No such file or directory D:\ydyy120\application\libraries\Dbcache.php 90
ERROR - 2015-10-24 08:24:29 --> Severity: Warning  --> unlink(application/dbcache\6255b96841d9655cb64565c352c36589) [<a href='function.unlink'>function.unlink</a>]: No such file or directory D:\ydyy120\application\libraries\Dbcache.php 90
ERROR - 2015-10-24 08:24:29 --> Severity: Warning  --> unlink(application/dbcache\03a6cf5b056f744c1a3efaf261853e70) [<a href='function.unlink'>function.unlink</a>]: No such file or directory D:\ydyy120\application\libraries\Dbcache.php 90
ERROR - 2015-10-24 08:24:30 --> Severity: Warning  --> unlink(application/dbcache\0da46f8a6b623ecbeae6ae33b01b84dc) [<a href='function.unlink'>function.unlink</a>]: No such file or directory D:\ydyy120\application\libraries\Dbcache.php 90
ERROR - 2015-10-24 08:24:30 --> Severity: Warning  --> unlink(application/dbcache\5563417154c12682c62546f7e813b291) [<a href='function.unlink'>function.unlink</a>]: No such file or directory D:\ydyy120\application\libraries\Dbcache.php 90
ERROR - 2015-10-24 08:24:30 --> Severity: Warning  --> unlink(application/dbcache\e2f7626e6ed987cca0fd9e56f0ccc535) [<a href='function.unlink'>function.unlink</a>]: No such file or directory D:\ydyy120\application\libraries\Dbcache.php 90
ERROR - 2015-10-24 08:24:30 --> Severity: Warning  --> unlink(application/dbcache\9d9913354996690be2999c5c2a752e14) [<a href='function.unlink'>function.unlink</a>]: No such file or directory D:\ydyy120\application\libraries\Dbcache.php 90
ERROR - 2015-10-24 08:24:30 --> Severity: Warning  --> unlink(application/dbcache\2a737d4367e66736f8902c9211aeea0f) [<a href='function.unlink'>function.unlink</a>]: No such file or directory D:\ydyy120\application\libraries\Dbcache.php 90
ERROR - 2015-10-24 08:24:30 --> Severity: Warning  --> unlink(application/dbcache\2a737d4367e66736f8902c9211aeea0f) [<a href='function.unlink'>function.unlink</a>]: No such file or directory D:\ydyy120\application\libraries\Dbcache.php 90
ERROR - 2015-10-24 08:24:30 --> Severity: Warning  --> unlink(application/dbcache\a950aca613a0d54fd4fd2d5d5a923406) [<a href='function.unlink'>function.unlink</a>]: No such file or directory D:\ydyy120\application\libraries\Dbcache.php 90
ERROR - 2015-10-24 08:24:30 --> Severity: Warning  --> unlink(application/dbcache\a950aca613a0d54fd4fd2d5d5a923406) [<a href='function.unlink'>function.unlink</a>]: No such file or directory D:\ydyy120\application\libraries\Dbcache.php 90

武技

foreach循环的数组貌似是空的或者不是数组？ 你用print_r($arr);或其他输出下你的数组