php 数据库 提取 导出 图片 blob

<?php
$SYSSET[testkeyframePath]= "////192.168.1.56//F$//MAMLib//keyframePath//";
$SYSSET[defaultPicStep] = 100;
$mysql_server_name  ="localhost";       //数据库服务器名称
$mysql_username     ="paramam";         //连接数据库用户名
$mysql_password     ="paramam123456";   //连接数据库密码
$mysql_database     ="mz_sm_02";        //数据库的名字
function generateKeyFrame($frameData,$FILE_NAME) {
global $SYSSET;
//帧数据
$keyframeFilename = iconv("utf-8","gb18030",$SYSSET[testkeyframePath].$FILE_NAME);
if (!file_exists($keyframeFilename)) {
$fp = fopen($keyframeFilename,"a");
fwrite($fp,$frameData);
fclose($fp);
} else {
$fp = fopen($keyframeFilename,"r+");
fwrite($fp,$frameData);
fclose($fp);
}
}
//连接到数据库
$conn=mysql_connect($mysql_server_name, $mysql_username, $mysql_password);
//GBK的数据库消除乱码
mysql_query("SET NAMES 'GBK'");
//从表中提取信息的sql语句
$actsql="select id, subject,cover,txtmemo from tb_act_info";
//执行sql查询
$result=mysql_db_query($mysql_database, $actsql, $conn);
// 定位到第一条记录
mysql_data_seek($result, 0);
// 循环取出记录
while ($row=mysql_fetch_assoc($result)) {
if($row["id"]<550){
continue;
}
$tmpforlder = $row["id"]."//";
//确定临时目录名、创建临时目录
if(!file_exists($SYSSET[testkeyframePath]."testKeyFrameOutPut//".$tmpforlder)) {
@mkdir($SYSSET[testkeyframePath]."testKeyFrameOutPut//".$tmpforlder);
}
//生成说明信息
$txtFilename = iconv("utf-8","gb18030",$SYSSET[testkeyframePath]."testKeyFrameOutPut//".$tmpforlder."说明.txt");
$fp = fopen($txtFilename,"a+");
$tmpStr = $row["txtmemo"];
fwrite($fp,$tmpStr);
fclose($fp);
//生成图片
$keyframesql="
select
rk.frame_time keyframename,rkp.pic pic
from
tb_res_keyframe rk,tb_res_keyframe_pic rkp
where
rk.keyframe_id = rkp.id
and
rk.resource_id = ".$row["id"]."
order by
rk.resource_id
";
$keyframeresult=mysql_db_query($mysql_database, $keyframesql, $conn);
mysql_data_seek($keyframeresult, 0);
while ($keyframerow=mysql_fetch_assoc($keyframeresult)) {
$tmpKeyFramePath = "testKeyFrameOutPut//".$tmpforlder.($keyframerow["keyframename"]."_".".jpg");
generateKeyFrame($keyframerow["pic"],$tmpKeyFramePath);
}
//释放资源
mysql_free_result($keyframeresult);
}
//释放资源
mysql_free_result($result);
//关闭连接
mysql_close();