PHP實現多條件查詢執行個體代碼_PHP教程

來源:互聯網
上載者:User
查詢檔案(search.php)
一、產生查詢語句:

複製代碼 代碼如下:
$conn=mysql_connect("localhost","root","");
$db=mysql_select_db("lingyun");
$query="select * from message where tradetype='".$tradetype."'"; //交易類型,如出租,出售
$SQL=$SQL . "wuye='" . $wuye . "'";
if($housetype!="不限"){
$query.=" && housetype='".$housetype."'"; //房屋類型,如二室一廳,三室二廳
}
if($degree!="不限"){
$query.=" && degree='".$degree."'"; //新舊程度
}
if($wuye!="不限"){
$query.=" && wuye='".$wuye."'"; //物業類型 如房屋,商鋪
}
if($price2!=""){
switch($price1){
case "大於":
$query.=" && price>'".$price2."'"; //價格
break;
case "等於":
$query.=" && price='".$price2."'";
break;
case "小於":
$query.=" && price<'".$price2."'";
break;
}
}
if($area2!=""){
switch($area1){
case "大於":
$query.=" && area>'".$area2."'"; //面積
break;
case "等於":
$query.=" && area='".$area2."'";
break;
case "小於":
$query.=" && area<'".$area2."'";
break;
}
}
switch($pubdate){ //發布日期
case "本星期內":
$query.=" && TO_DAYS(NOW()) - TO_DAYS(date)<=7";
break;
case "一個月內":
$query.=" && TO_DAYS(NOW()) - TO_DAYS(date)<=30";
break;
case "三個月內":
$query.=" && TO_DAYS(NOW()) - TO_DAYS(date)<=91";
break;
case "六個月內":
$query.=" && TO_DAYS(NOW()) - TO_DAYS(date)<=183";
break;
}
if($address!=""){
$query.=" && address like '%$address%'"; //地址
}
if(!$page){
$page=1;
}
?>


二、輸出查詢結果:
複製代碼 代碼如下:
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){
$rows=mysql_num_rows($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 "詳細內容";
echo "";
}
}
else echo "

沒有找到滿足你條件的記錄& lt;/td>";
}
$prev_page=$page-1;
$next_page=$page 1;
echo "";
echo " 第".$page."/".$page_count."頁 ";
if ($page<=1){
echo "|第一頁|";
}
else{
echo "|第一頁|";
}
echo " ";
if ($prev_page<1){
echo "|上一頁|";
}
else{
echo "|上一頁|";
}
echo " ";
if ($next_page>$page_count){
echo "|下一頁|";
}
else{
echo "|下一頁|";
}
echo " ";
if ($page>=$page_count){
echo "|最後一頁|";
}
else{
echo "|最後一頁|";
}
echo "";
}
else{
echo "

現在還沒有房屋租賃資訊!

";
}
echo "";
?>

http://www.bkjia.com/PHPjc/322266.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/322266.htmlTechArticle查詢檔案(search.php) 一、產生查詢語句: 複製代碼 代碼如下: ? $conn=mysql_connect("localhost","root",""); $db=mysql_select_db("lingyun"); $query="select * fr...

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