在PHP表单上选择日期范围并显示MySQL数据库的结果

Question

这可能很简单，但是我不明白为什么这行不通。

我有一个php表格，您可以从下拉菜单中选择日期范围。 我给了字段名称day，month year和day1，month1，year1。

单击提交时，将带您进入第二个php表单。 这是第二种形式的代码：

<?php

$username="***";
$password="***";
$database="****";

mysql_connect('localhost',$username,$password);
@mysql_select_db($database) or die( "Unable to select database");

$day = $_GET['day'];
$month = $_GET['month'];
$year = $_GET['year'];
$day1 = $_GET['day1'];
$month1 = $_GET['month1'];
$year1 = $_GET['year1'];

$date1 = "$year-$month-$day";
$date2 = "$year1-$month1-$day1";

$query = "SELECT * FROM main_stock WHERE curr_timestamp BETWEEN '$date1' AND '$date2'";

$result=mysql_query($query);

$num=mysql_num_rows($result); 

?>

<table border="1" cellspacing="2" cellpadding="2">
<tr>
<td><b><font face="Arial, Helvetica, sans-serif">Product Description</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">Category</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">Master Category</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">Barcode</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">Status</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">TimeStamp</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">New Own</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">Serial No.</font></b></td>
</tr>

<?php
$i=0;
while ($i < $num) {

$f1=mysql_result($result,$i,"product_desc");
$f2=mysql_result($result,$i,"category");
$f3=mysql_result($result,$i,"mastercategory");
$f4=mysql_result($result,$i,"barcode");
$f5=mysql_result($result,$i,"status");
$f6=mysql_result($result,$i,"curr_timestamp");
$f7=mysql_result($result,$i,"newown");
$f8=mysql_result($result,$i,"serial");
?>

<tr>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f1; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f2; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f3; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f4; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f5; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f6; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f7; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f8; ?></font></td>
</tr>


<?php



$i++;
}
$num_rows = mysql_num_rows($result);

echo "$num_rows Rows\n";
mysql_close();
?>

有什么理由不起作用吗？

我不确定我要去哪里。 当还有其他选项以及日期（例如“状态”）显示时，它会显示结果，但是当我将其删除时，我只想显示日期范围之间的所有结果，这是行不通的。

这有效：

<?php

$username="+++";
$password="+++";
$database="+++";

mysql_connect('localhost',$username,$password);
@mysql_select_db($database) or die( "Unable to select database");

$day = $_GET['day'];
$month = $_GET['month'];
$year = $_GET['year'];
$day1 = $_GET['day1'];
$month1 = $_GET['month1'];
$year1 = $_GET['year1'];
$status = $_GET['status'];

$date1 = "$year-$month-$day";
$date2 = "$year1-$month1-$day1";

$query = "SELECT * FROM main_stock WHERE status = '$status' AND curr_timestamp BETWEEN      '$date1' AND '$date2'";

$result=mysql_query($query);

$num=mysql_num_rows($result); 

?>

<table border="1" cellspacing="2" cellpadding="2">
<tr>
<td><b><font face="Arial, Helvetica, sans-serif">Product Description</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">Category</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">Master Category</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">Barcode</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">Status</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">TimeStamp</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">New Own</font></b></td>
<td><b><font face="Arial, Helvetica, sans-serif">Serial No.</font></b></td>
</tr>

<?php
$i=0;
while ($i < $num) {

$f1=mysql_result($result,$i,"product_desc");
$f2=mysql_result($result,$i,"category");
$f3=mysql_result($result,$i,"mastercategory");
$f4=mysql_result($result,$i,"barcode");
$f5=mysql_result($result,$i,"status");
$f6=mysql_result($result,$i,"curr_timestamp");
$f7=mysql_result($result,$i,"newown");
$f8=mysql_result($result,$i,"serial");
?>

<tr>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f1; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f2; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f3; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f4; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f5; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f6; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f7; ?></font></td>
<td><font face="Arial, Helvetica, sans-serif"><?php echo $f8; ?></font></td>
</tr>


<?php



$i++;
}
$num_rows = mysql_num_rows($result);

echo "$num_rows Rows\n";
mysql_close();
?>

但是，当取出“状态”字段（显然是第一种形式的序列号下拉列表）时，它将停止工作...

Answer 1

1）请在$date和$date1上使用PDO或至少使用mysql_real_escape_string() 。

2）确保您的表格是通过GET发送的。 如果是POST ，则应使用$_POST['...']而不是$_GET 。

3）确保您的日期格式正确。 您可以使用sprintf的做到这一点。

$date = sprintf('%04d-%02d-%02d', $year, $month, $day);
$date1 = sprintf('%04d-%02d-%02d', $year1, $month1, $day1);

4）确保curr_timestamp是有效的日期/时间字段类型。