基于下拉选择的SQL查询

我想根据下拉选择值编写SQL查询。基于下拉选择的SQL查询

例如，如果管理员选择今天，那么SQL查询应该只获得今天的记录等等。

HTML

<select name="report_date"> 
    <option value="Today">Today</option> 
    <option value="Yesterday">Yesterday</option> 
    <option value="Last7Days">Last 7 Days</option> 
    <option value="This Week">This Week</option> 
    <option value="LastWeek">Last Week</option> 
    <option value="ThisMonth">This Month</option> 
    <option value="LastMonth">Last Month</option> 
    <option value="ThisYear">This Year</option> 
    <option value="LastYear">Last Year</option> 
    <option value="AllTime">All Time</option> 
</select> 

<input type="text" name="product_name"/>

PHP

$fixedrange = $_GET['report_date']; 
$pname= $_GET['product_name']; 

if($fixedrange=="Today"){ 
    $today = date('Y-m-d'); 
    $fixeddate = 'OR o.`custom_date`='. $today; 
}

SQL查询

SELECT * 
FROM order_items AS oi 
INNER JOIN orders o ON o.id=oi.`order_id` 
WHERE oi.`product_name` LIKE '%$pname%' $fixeddate 
    AND o.status = '1' 
ORDER BY o.custom_date DESC

来源

2016-10-07 Farhan Dharsi

您应该使用CONCAT

$sql = " SELECT * FROM order_items AS oi 
    INNER JOIN orders o ON o.id=oi.`order_id` 
    WHERE oi.`product_name` LIKE concat('%', $pname,'%') 
    $fixeddate 
    AND o.status = '1' 
    ORDER BY o.custom_date DESC ; ";

使用或不使用PHP的日期可以使用date(o. CUSTOM_DATE ) = curdate()

if($fixedrange=="Today"){ 
    $today = date('Y-m-d'); 
    $fixeddate = 'OR date(o.`custom_date`) = curdate() ' ; 
} 

$sql = " SELECT * FROM order_items AS oi 
    INNER JOIN orders o ON o.id=oi.`order_id` 
    WHERE oi.`product_name` LIKE concat('%', $pname,'%') 
    $fixeddate 
    AND o.status = '1' 
    ORDER BY o.custom_date DESC ; ";

来源

2016-10-07 19:30:44 scaisEdge

的问题是，所有的记录今天的点击时显示？ –

哪个是o.'custom_date'列的类型？ – scaisEdge

'custom_date'是日期列类型 –

SELECT OrderId,DATE_ADD(date(OrderDate),INTERVAL + 30 DAY) AS OrderPayDate 
FROM Orders 

use +(plus) or - (minus) for adding future date or subtract for past date using DATE_ADD sql function

来源

2016-10-07 19:49:25

问题是所有记录都显示 –

where column_date = DATE_ADD（date（“column_date”），INTERVAL-30 DAY）和column_date <= DATE_ADD（date（“column_date”），INTERVAL - 30天）;这一个是过去30天reocrds –

你可以请提前写下所有的问题 –

基于下拉选择的SQL查询

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