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php获得sybase数据库内容的有关问题

WBOY
WBOYOriginal
2016-06-13 11:45:021020browse

php获得sybase数据库内容的问题
数据库连接已经测试过了没问题,sql语句也没问题。现在问题是获取不到数据库里的数据,代码如下:

public static function Connect()<br /> {<br /> $obj =new DB();<br /> $conn=$obj->Connection=sybase_connect(SERVER_NAME, USER, PASSWORD) ; // 连接数据库<br /> if(!$conn){<br /> echo '数据库连接错误...';<br /> exit(0);<br /> }<br /> sybase_select_db(DATABASE_NAME);<br />     return $obj;  <br /> }<br /> //初始化页面时查询最近一个月的销售记录<br /> public function QueryLastMonth(){<br /> $start_date=str_replace('-','',date('Y-m-d',strtotime('-1 month')));<br /> $end_date=str_replace('-','',date('Y-m-d',time()));<br /> $sql_str="select cusno as shopcode,u2.nos as salesid,u2.colthno as goodsid,u2.endprice as price,u2.nb as goodscount from u2sale u1,u2saleb u2 where u1.outdate>=";<br />$sql=$sql_str ."'".$start_date."' and u1.outdate<='".$end_date."' and u1.nos=u2.nos and u1.nb>0 and u2.endprice>0;";<br /><br />  //echo $sql;<br /> // sybase_query("set rowcount " . 20) ; // 执行SQL命令,设置返回记录行数<br />   $result = sybase_query($sql) ; // 执行SQL命令,检索数据库<br />   echo "---".$result;<br />   while($row = sybase_fetch_assoc($result)) <br />   { <br />  // echo 'xxx';<br />   echo $row["shopcode"] . "---" . $row["salesid"] . "---" . $row["goodscount"] . "\n" ;<br />    }<br />	<br />	sybase_close($conn);<br /> }

请指教

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