php租房题目

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<!
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>无标题文档</title> </head> <body> <h1>租房子</h1> <?php //这段php逻辑需要提到这里 require_once "DBDA.class.php"; //加载DBDA类 $db = new DBDA(); $tj1 = " 1=1 "; //做条件 做成恒成立 总共四个条件查询 $tj2 = " 1=1 "; $tj3 = " 1=1 "; $tj4 = " 1=1 "; $arr1 = array(); //花括号内的arr1需要提到外面用做出查询数据时可以显示选择的数据 if(!empty($_POST["qy"])){ //判断qy数组是否为空 // area in (\'\',\'\',\'\',\'\') //用in方法取出做成拼接 $arr1 = $_POST["qy"]; //取出数组存进变量 $str = implode("\',\'",$arr1); //implode方法拼接字符串 $tj1 = " area in (\'{$str}\') "; //条件1变成 area拼接 } $arr2 = array(); if(!empty($_POST["zl"])){ // area in (\'\',\'\',\'\',\'\') $arr2 = $_POST["zl"]; $str = implode("\',\'",$arr2); $tj2 = " rentype in (\'{$str}\') "; } $arr3 = array(); if(!empty($_POST["fw"])){ // area in (\'\',\'\',\'\',\'\') $arr3 = $_POST["fw"]; $str = implode("\',\'",$arr3); $tj3 = " housetype in (\'{$str}\') "; } $key = ""; if(!empty($_POST["key"])){ $key = $_POST["key"]; $tj4 = " keyword like \'%{$key}%\' "; //like模糊查询 } ?> <form action="main.php" method="post"> //做出表单提交 <div> 区域:<input type="checkbox" id="qy" />全选<br /> //做全选按钮id=qy class=qy <?php $sqlqy = "select distinct area from housedb"; //查询去重 $arrqy = $db->query($sqlqy); //展示出所有的区域信息 foreach($arrqy as $v){ if(in_array($v[0],$arr1)){ //用in_array做出if输出选中和不选中的两种结果 echo "<input class=\'qy\' type=\'checkbox\' name=\'qy[]\' value=\'{$v[0]}\' checked=\'checked\' />{$v[0]} &nbsp;"; }else{ echo "<input class=\'qy\' type=\'checkbox\' name=\'qy[]\' value=\'{$v[0]}\' />{$v[0]} &nbsp;"; } } ?> </div> <br /> <div> 租赁类型:<input type="checkbox" id="zl" />全选<br /> <?php $sqlzl = "select distinct renttype from housedb"; $arrzl = $db->query($sqlzl); foreach($arrzl as $v){ if(in_array($v[0],$arr2)){ echo "<input class=\'zl\' type=\'checkbox\' name=\'zl[]\' value=\'{$v[0]}\' checked=\'checked\' />{$v[0]} &nbsp;"; }else{ echo "<input class=\'zl\' type=\'checkbox\' name=\'zl[]\' value=\'{$v[0]}\' />{$v[0]} &nbsp;"; } } ?> </div> <br /> <div> 房屋类型:<input type="checkbox" id="fw" />全选<br /> <?php $sqlfw = "select distinct housetype from housedb"; $arrfw = $db->query($sqlfw); foreach($arrfw as $v){ if(in_array($v[0],$arr3)){ echo "<input class=\'fw\' type=\'checkbox\' name=\'fw[]\' value=\'{$v[0]}\' checked=\'checked\' />{$v[0]} &nbsp;"; }else{ echo "<input class=\'fw\' type=\'checkbox\' name=\'fw[]\' value=\'{$v[0]}\' />{$v[0]} &nbsp;"; } } ?> </div> <br /> <div> 关键字:<input type="text" name="key" value=\'<?php echo $key; ?>\' /> //value取key显示选择的数据 </div> <br /> <div> <input type="submit" value="搜索" /> //提交按钮 </div> <br /> </form> <table width="100%" border="1" cellpadding="0" cellspacing="0"> <tr> <td>关键字</td> //用表格方法显示数据 <td>区域</td> <td>建筑面积</td> <td>租金</td> <td>租赁类型</td> <td>房屋类型</td> </tr> <?php //写phpsql语句调用数据库显示数据信息 $sql = "select * from housedb where {$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"> //用js做出全选的效果 var qy = document.getElementById("qy"); //找到qy qy.onclick = function(){ //加点击事件 var zt = qy.checked; //定义qy的状态属性 var ck = document.getElementsByClassName("qy"); //找到所有区域的checkbox的=选中状态 for(var i=0;i<ck.length;i++){ //循环遍历 ck[i].checked = zt; ck取索引i得到每个晓得checkbox=checked } } var zl = document.getElementById("zl"); zl.onclick = function(){ var zt = zl.checked; var ck = document.getElementsByClassName("zl"); for(var i=0;i<ck.length;i++){ //{}花括号是作用域 花括号内重复内容没有关系 ck[i].checked = zt; } } var fw = document.getElementById("fw"); fw.onclick = function(){ var zt = fw.checked; var ck = document.getElementsByClassName("fw"); for(var i=0;i<ck.length;i++){ ck[i].checked = zt; } } </script> </html>

 

 

以下是增删改的做法

 

 3.租房子首页

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<!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>租房子---首页</title>
</head>
<body>

<table width="1000px" cellpadding="1" border="1" ellspacing="1">
<tr>

<td>关键字</td>
<td>区域</td>
<td>使用面积</td>
<td>租金</td>
<td>租贷类型</td>
<td>房屋类型</td>
<td></td>
<td></td>
</tr>
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<?php

include("DBDA.class.php");

$dx=new DBDA();

$sql="select * from house";
$r = $dx->Query($sql,1);
//$attr=$result->fetch_all();

foreach($r 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>
<td><a href=\'bianji.php?id={$v[0]}\'>编辑</a></td>
<td><a href=\'shanchuchuli.php?id={$v[0]}\' onclick=\\"return confirm(\'确定删除吗\')\\">删除</a></td>
</tr>";
}

?>
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</table>
<br />
<br />
<a href="tianjiashuju.php"><input type="button" value="添加数据"/></a>
<a href="duotiaojianchaxun.php"><input type="button" value="搜索查询" /></a>
</title>
</body>
</html>
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(4)删除数据处理页面

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<?php
$id = $_GET["id"];
var_dump($newsid);

include("DBDA.class.php");

$dx=new DBDA();

$sql = "delete from House where id=\'{$id}\'";
$r = $dx->Query($sql,2);
if($r)
{
    header("location:liebiaoyemian.php");
}
else
{
    echo "删除失败!";
}
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5.编辑页面

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<!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>修改房屋数据</title>
</head>
<body>
<!--newsid--><center>
<h1>修改房屋数据</h1>
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<?php

$id = $_GET["id"];

include("DBDA.class.php");

$dx=new DBDA();

//echo "id";
//var_dump($id);

$sql="select * from house where id=\'{$id}\'";
$r=$dx->Query($sql);

?>
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<form action="bianjichuli.php" method="post">

<input type="hidden" name="id" value="<?php echo $r[0][0];?>"/><!--id传过的ID-->

<div>关键字:<input type="text" name="KeyWord" value="<?php echo $r[0][1];?>"/></div>
<div>区域:<input type="text" name="Area" value="<?php echo $r[0][2];?>"/></div>
<div>使用面积:<input type="text" name="SquareMeter" value="<?php echo $r[0][3];?>"/></div>
<div>租金:<input type="text" name="Rent" value="<?php echo $r[0][4];?>"/></div>
<div>租贷类型:<input type="text" name="RentType" value="<?php echo $r[0][5];?>"/></div>
<div>房屋类型:<input type="text" name="HouseType" value="<?php echo $r[0][6];?>"/></div>


<div><input type="submit" value="更新"/></div>


</form>
<!--<a href="chakan.php"><input type="button" value="查看"></a>-->
</center>
</body>
</html>
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6.编辑处理页面

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<?php
 
//使用加载类
    
    include("DBDA.class.php");
    $db = new DBDA();
    $id=$_POST["id"];//传ID
    $KeyWord = $_POST["KeyWord"];
    $Area = $_POST["Area"];
    $SquareMeter = $_POST["SquareMeter"];
    $Rent = $_POST["Rent"];
    $RentType = $_POST["RentType"];
    $HouseType = $_POST["HouseType"];
$sql="update house set KeyWord=\'{$KeyWord}\',Area=\'{$Area}\',SquareMeter=\'{$SquareMeter}\',Rent=\'{$Rent}\',RentType=\'{$RentType}\',HouseType=\'{$HouseType}\' where id=\'{$id}\'";// where id=\'{$id}

//echo $sql;
     
    $attr = $db->Query($sql,2);
    //var_dump($attr);
    if($attr)
    {
        header("location:liebiaoyemian.php");   
    }
    else
    {
        echo "修改失败";   
    }
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 7.添加数据页面

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<!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>添加页面</title>


</head>
<style>
    .kong
    {
        margin:10px 0px 10px 0px;
        vertical-align: 
    }
</style>
<body>
<form action="tianjiachili.php" method="post">
    
 <h3>添加房屋信息页面</h3>   

    <div class="kong">
        关键字:
        <input type="text" name="KeyWord"/>
    </div>
    <div class="kong">
        区域:
        <input type="text" name="Area"/>
    </div>
    <div class="kong">
        使用面积:
        <input type="text" name="SquareMeter"/>
    </div>
    <div class="kong">
        租金:
        <input type="text" name="Rent">
    </div>
    <div class="kong">
        租赁类型:
        <input type="text" name="RentType"/>
    </div>
    <div class="kong">
        房屋类型
        <input type="text" name="HouseType"/>
    </div>
<div>
    <input type="submit" value="确定"/><!--插入信息-->
    <a href="liebiaoyemian.php"><input type="button" value="返回主页" /></a>
</div>
</form>    

</body>
</html>
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8.添加数据处理页面

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<?php 
//$id = $_POST["id"];
$KeyWord = $_POST["KeyWord"];
$Area = $_POST["Area"];
$SquareMeter = $_POST["SquareMeter"];
$Rent = $_POST["Rent"];
$RentType = $_POST["RentType"];
$HouseType = $_POST["HouseType"];

//造连接对象
include("DBDA.class.php");
$db=new DBDA();

//写sql语句
$sql="insert into house values(\'\',\'{$KeyWord}\',\'{$Area}\',\'{$SquareMeter}\',\'{$Rent}\',\'{$RentType}\',\'{$HouseType}\')";
//执行语句
$r=$db->Query($sql,2);//($sql,2)   2代表增删改    错在了2上

if($r) 
{
    header("location:liebiaoyemian.php");
}
else{
    echo "执行失败!";
}
 ?>
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