Question

我从页面url标题中的查询字符串中收到2个参数。我想使用这些parrams作为查询的日期条件，但是当我尝试添加到我的where子句时，页面返回500错误。

这是我的语法，我应该改变什么才能在where子句中使用这两个变量？

    <?php

    header('Access-Control-Allow-Origin: *');

    $begin = $_GET['begin'];
    $end = $_GET['end']; 

    $option = array(); //prevent problems

    $option['driver']   = 'mssql';            
    $option['host']     = 'XXX.XXX.XX.XX';    
    $option['user']     = 'user';       
    $option['password'] = 'pass';   
    $option['database'] = 'database';      
    $option['prefix']   = '';             

    $db = JDatabase::getInstance( $option );
    $result = $db->getQuery(true);
    $result->select($db->quoteName(array('Teacher', 'student', 'countenrolled', 'countattending')));
    $result->from($db->quoteName('[SchoolStuff')); 
    $result->where($db->quoteName('registerdate') . ' >= '. $begin. AND ' <= ' .$end.);
    $db->setQuery($result); 
    $results = $db->loadObjectList();
?>

<table border="1">
    <thead>
        <tr>
            <th>Teacher</th>
            <th>Student</th>
            <th>Count Enrolled</th>
            <th>Count Attending</th>
        </tr>
    </thead>
        <tbody>
        <?php
            foreach( $options as $option ) { 
              print "<tr>";
              print "<td>".$option->Teacher."</td>";
              print "<td>".$option->Student."</td>";
              print "<td>".$option->CountEnrolled."</td>";
              print "<td>".$option->CountAttending."</td>";
              print "</tr>";
            } 
            ?>
    </tbody>
  </table

Answer 1

在WHERE子句中，应引用AND。此外，在where子句中，您要比较的字段需要同时进行比较。

其中＆gt; = b AND a＆lt; = c

$result->where($db->quoteName('registerdate') . " >= '". $begin."' AND ".$db->quoteName('registerdate')." <= '" .$end."'");

Answer 2

顺便说一句，您可以将数组传递给“where”

$query->where(array(first thing, second thing, &tc), operator[defaults to "AND"]);

将Where子句添加到JDatabase

2 个答案: