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Find a house (Database Application), find a house database application

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Find a house (Database Application), find a house database application

<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<Html xmlns = "http://www.w3.org/1999/xhtml">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Title> untitled document </title>
</Head>

<Body>

<H1> house rental
<Form action = "zufangzi. php" method = "post">
<Div> region: <input type = "checkbox" name = "qx" onclick = "quanxuan (this, 'qy')"/> select all </div>
<Div>
<? Php
Require "../0428/DBDA. class. php ";
$ Db = new DBDA ();

$ Sqy = "select distinct area from housedb ";
$ Aqy = $ db-> query ($ sqy );
Foreach ($ aqy as $ v)
{
Echo "<input type = 'checkbox' name = 'qy [] 'value = '{$ v [0]}' class = 'qy'/> {$ v [0] }";
}
?>
</Div>
<Br/>

<Div> Lease type: <input type = "checkbox" name = "zlqx" onclick = "quanxuan (this, 'zl')"/> select all </div>
<Div>
<? Php
$ Szl = "select distinct type from housedb ";
$ Azl = $ db-> query ($ szl );
Foreach ($ azl as $ v)
{
Echo "<input type = 'checkbox' name = 'zl [] 'value = '{$ v [0]}' class = 'zl'/> {$ v [0] }";
}
?>
</Div>
<Br/>
<Div> housing type: <input type = "checkbox" name = "fwqx" onclick = "quanxuan (this, 'FW ')"/> select all </div>
<Div>
<? Php
$ Sfw = "select distinct housetype from housedb ";
$ Afw = $ db-> query ($ sfw );
Foreach ($ afw as $ v)
{
Echo "<input type = 'checkbox' name = 'FW [] 'value = '{$ v [0]}' class = 'FW '/> {$ v [0] }";
}
?>
</Div>
<Br/>
<Div> Keyword: <input type = "text" name = "key"/> <input type = "submit" value = "query"/> </div>
</Form>
<Br/>

<Table width = "100%" border = "1" cellpadding = "0" cellspacing = "0">
<Tr>
<Td> keywords </td>
<Td> region </td>
<Td> building area </td>
<Td> rent </td>
<Td> Lease Type </td>
<Td> house type </td>
</Tr>
<? Php

$ Tj1 = "1 = 1 ";
$ Tj2 = "1 = 1 ";
$ Tj3 = "1 = 1 ";
$ Tj4 = "1 = 1 ";

If (! Empty ($ _ POST ["qy"])
{
$ Aqy = $ _ POST ["qy"];
$ Sqy = implode ("','", $ aqy );

$ Tj1 = "area in ('{$ sqy }')";
}

If (! Empty ($ _ POST ["zl"])
{
$ Azl = $ _ POST ["zl"];
$ Szl = implode ("','", $ azl );

$ Tj2 = "primitive type in ('{$ szl }')";
}

If (! Empty ($ _ POST ["fw"])
{
$ Afw = $ _ POST ["fw"];
$ Sfw = implode ("','", $ afw );

$ Tj3 = "housetype in ('{$ sfw }')";
}

If (! Empty ($ _ POST ["key"])
{
$ K = $ _ POST ["key"];
$ Tj4 = "keyword like '% {$ k} % '";
}


$ SQL = "select * from housedb where {$ tj1} and {$ tj2} and {$ tj3} and {$ tj4 }";
Echo $ SQL;

$ Arr = $ db-> query ($ SQL );
Foreach ($ arr as $ v)
{
Echo "<tr>
<Td >{$ v [1]} </td>
<Td >{$ v [2]} </td>
<Td >{$ v [3]} </td>
<Td >{$ v [4]} </td>
<Td >{$ v [5]} </td>
<Td >{$ v [6]} </td>
</Tr> ";
}
?>
</Table>

</Body>
<Script type = "text/javascript">
Function quanxuan (qx,)
{
// Find the checkbox list corresponding to the Select All button
Var ck = document. getElementsByClassName ();
// Select the status of the Select All button
If (qx. checked)
{
For (var I = 0; I <ck. length; I ++)
{
Ck [I]. setAttribute ("checked", "checked ");
}
}
Else
{
For (var I = 0; I <ck. length; I ++)
{
Ck [I]. removeAttribute ("checked ");
}
}

}
</Script>
</Html>

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