//本程序为一个搜索，目前设计服务于文章库。
//编者：孔秀祥。日期：2001/4/10
if(!$UploadAction):
require "config.php3";
if(!isset($table)){
//$table="artical";
}
/*
$link_id=@MYSQL_CONNECT($hostname,$dbusername,$dbpassword) OR DIE("不能连接数据库！");
@mysql_select_db("$dbname") or die("不能选择数据库！");
$q="select count(id) from $table where 1 ";
$result = @mysql_query($q);
$row = @mysql_fetch_array($result);
$r_count=$row["count(artical_id)"];
*/
?>
数据库搜索 else:
require "config.php3";
$UploadAction=0;
$added=0;
$die=0;
$single_chinese=0;
$TimeLimit=0; /*设置超时限制时间缺省时间为 30秒设置为0时为不限时 */
set_time_limit($TimeLimit);
if($data_search==""){
//做全库的索引
header("location:\progs\data_index.php3");
//$msg="搜索内容不能为空。";
//xueroom_error_exit($msg,$PHP_SELF);
}
$link_id=@MYSQL_CONNECT($hostname,$dbusername,$dbpassword) OR DIE("不能连接数据库！");
@mysql_select_db("$dbname") or die("不能选择数据库！");
//SELECT id,file_name,artical_author from textfile where 1 LIMIT 0, 30
if($table=="artical")
{
$sid="artical_id";
$stitle="artical_title";
$sauthor="artical_author";
$sdata="artical_data";
$prog="readfile.php3";
if($a_data=="month" )
$key_where="where origin_periodical rlike '^.*$data_search.*'";
}
if($a_data=="data" )
$key_where="where $sdata rlike '^.*$data_search.*'";
if($a_data=="title" )
$key_where="where $stitle rlike '^.*$data_search.*'";
if($a_data=="author" )
$key_where="where $sauthor rlike '^.*$data_search.*'";
//$q="select $sid,$stitle,$sauthor from $table where $sdata rlike '^.*$data_search.*'order by $stitle";
if(($a_data=="data")&&(strlen($data_search)==2)){
$q="select $sid,$stitle,$sauthor,$sdata from $table $key_where order by $stitle";
$single_chinese=1;
}
else{
$q="select $sid,$stitle,$sauthor from $table $key_where order by $stitle";
}
$index_data="";
$count=0;
$result =@ mysql_query($q);
if(!$result){
$msg="没有符合要求的记录。";
xueroom_error_exit($msg,$PHP_SELF);
}
while($row = @mysql_fetch_array($result)) {
if(($single_chinese)&&(!myStrPos($row[$sdata],$data_search)))
continue;
else
{
$id=$row[$sid];
$title=$row[$stitle];
$author=$row[$sauthor];
if($table=="textfile")
$title=preg_replace("/.txt/","",$title);
// $data=$row["artical_data"];
//if(myStrPos($data,$data_search)) //可以用于寻找单个汉字。
// if(strpos($data,$data_search)){ //大于一个汉字时采用本判断式，速度较快。
$index_data.="
| $title |
作者：$author |
";
$count++;
//fputs($fp, "
| $title |
作者：$author |
");
// }
}
}
@mysql_free_result($result);
mysql_close($link_id);
set_time_limit(30);
if($index_title==""){
$index_title="学而斋资料";
}
$index_title=$index_title."_".$data_search;
$html_header="
$index_title";
$html_header.="
$index_title
rn";
$dte_created=date('Y-m-d H:i:s');
$html_header.="
$index_describe 发现了 $count 条/查询日期：$dte_created
rn";
$html_header.="
rn";
$data=$html_header.$index_data;
$data.="";
/*If(strlen($index_file)==0){
header("Content-type: text/html");
echo $data;
}
else
{
$in_file="$index_file";
$index_file="\index\".$index_file;
$fp=indexfile($index_file,$index_title,$index_describe);
fputs($fp, "发现了 $count 条");
fputs($fp, "查询日期：$dte_created
rn");
fputs($fp,"rn");
fputs($fp, $index_data);
fputs($fp, "
