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PHP实例:用PHP简单实现多条件查询 |
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[ 作者: | 文章来源: 网页教学网 | 点击数: 604 | 更新时间: 2007-11-4 8:57:32 ] |
在我们的网南通服务器网
查询文件(search.php) Spdns_com
一、生成查询语句: 中国.南通服务器网
以下为引用的内容: $conn=mysql_connect("localhost","root",""); $db=mysql_select_db("lingyun"); $query="select * from message where tradetype='".$tradetype."'"; //交易类型,如出租,出售 $SQL=$SQL . "wuye='" . $wuye . "'"; if($housetype!="不限"){ $query.=" && housetype='".$housetype."'"; //房屋类型,如二室一厅,三室二厅 } if($degree!="不限"){ $query.=" && degree='".$degree."'"; //新旧程度 } if($wuye!="不限"){ Spdns~com $query.=" && wuye='".$wuye."'"; //物业类型 如住房,商铺 } if($price2!=""){ switch($price1){ case "大于": $query.=" && price>'".$price2."'"; //价格 break; case "等于": $query.=" && price='".$price2."'"; break; case "小于": $query.=" && price<'".$price2."'"; break; } } if($area2!=""){ switch($area1){ case "大于": $query.=" && area>'".$area2."'"; //面积 break; case "等于": $query.=" && area='".$area2."'"; break; case "小于": $query.=" && area<'".$area2."'"; break; } } switch($pubdate){ //发布日期 Spdns.com case "本星期内": $query.=" && TO_DAYS(NOW()) - TO_DAYS(date)<=7"; break; case "一个月内": $query.=" && TO_DAYS(NOW()) - TO_DAYS(date)<=30"; break; case "三个月内": $query.=" && TO_DAYS(NOW()) - TO_DAYS(date)<=91"; break; case "六个月内": $query.=" && TO_DAYS(NOW()) - TO_DAYS(date)<=183"; break; } if($address!=""){ $query.=" && address like '%$address%'"; //地址 } if(!$page){ $page=1; } ?> |
Spdns^com
二、输出查询结果: Www~Spdns~com
以下为引用的内容:
if ($page){ $page_size=20; $result=mysql_query($query); #$message_count=mysql_result($result,0,"total"); $message_count=10; $page_count=ceil($message_count/$page_size); $offset=($page-1)*$page_size; $query=$query." order by date desc limit $offset, $page_size"; $result=mysql_query($query); if($result){ Www^Spdns^com $rows=mysql_num_rows($result); if($rows!=0){ while($myrow=mysql_fetch_array($result)){ echo " | "; echo " | "; echo "$myrow[id] $myrow[tradetype] $myrow[address] $myrow[wuye]($myrow[housetype])[$myrow[date]]"; echo " | "; echo "详细内容 | "; echo " "; } } Spdns else echo " 没有找到满足你条件的记录 | "; } $prev_page=$page-1; $next_page=$page+1; echo ""; echo " 第".$page."/".$page_count."页 "; if ($page<=1){ echo "|第一页|"; } else{ echo " |第一页|"; Www_Spdns_com } echo " "; if ($prev_page<1){ echo "|上一页|"; } else{ echo " |上一页|"; } echo " "; if ($next_page>$page_count){ echo "|下一页|"; } Spdns^com else{ echo " |下一页|"; } echo " "; if ($page>=$page_count){ echo "|最后一页|"; } else{ echo " |最后一页|"; } echo " "; Spdns.com } else{ echo "现在还没有房屋租赁信息! "; } echo " "; ?> Www~Spdns~com
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中国南通服务器网
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