PHP+Mysql多條件多值查詢示例代碼:php
index.html代碼:html
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "
<
html
>
<
head
>
<
meta
http-equiv
=
"Content-Type"
content
=
"text/html; charset=UTF-8"
>
<
title
>SQL多條件查詢示例</
title
>
</
head
>
<
body
>
<
form
method
=
"post"
action
=
"deal.php"
>
<
h1
>房屋出租</
h1
>
房屋類型:<
select
name
=
"type"
>
<
option
value
=
"1"
>一居室</
option
>
<
option
value
=
"2"
>二居室</
option
>
<
option
value
=
"3"
>三居室</
option
>
</
select
>
面積:<
input
name
=
"area"
type
=
"text"
/>
地址:<
input
name
=
"addr"
type
=
"text"
/>
<
input
name
=
"btn"
type
=
"submit"
value
=
"搜索"
/>
</
form
>
</
body
>
</
html
>
|
deal.php文件:mysql
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<?php
//鏈接數據庫
$conn
=mysql_connect(
"localhost"
,
"root"
,
""
);
//選擇數據庫
$db
=mysql_select_db(
"數據庫名"
);
//接收 參數
$type
=
$_POST
[
'type'
];
$area
=
$_POST
[
'area'
];
$addr
=
$_POST
[
'addr'
];
//SQL語句主題
$query
=
"select * from room where "
;
//根據條件和傳的值拼接sql語句
//判斷面積不爲空
if
(
$type
!=
""
){
//而後根據具體面積分狀況拼接
switch
(
$type
){
case
1:
//一居室
$query
.=
" room_type=1"
;
break
;
case
2:
$query
.=
" room_type=2"
;
break
;
case
3:
$query
.=
" room_type=3"
;
break
;
}
}
//面積
if
(
$area
!=
""
){
$query
.=
" and area ={$area}"
;
}
//地址
if
(
$addr
!=
""
){
$query
.=
" and addr like '%{$addr}%'"
;
//地址
}
//執行查詢
$result
=mysql_query(
$query
);
//遍歷結果
echo
"搜搜結果以下:"
;
while
(
$row
=mysql_fetch_array(
$result
)){
echo
"地址:"
.
$row
[
'addr'
];
echo
""
;
echo
"面積:"
.
$row
[
'area'
];
echo
""
;
echo
"居室:"
.
$row
[
'type'
];
echo
""
;
echo
"價格:"
.
$row
[
'addr'
];
echo
""
;
//等等
}
?>
|