[英]Laravel: how to add where clause using query builder?
I have this query, made using Laravel query builder: 我有这个查询,使用Laravel查询生成器:
$rows = DB::table('elements')->where('type', 1);
That corresponds to: "SELECT * from elements WHERE type=1" 这对应于:“SELECT * from elements WHERE type = 1”
Now, in some cases I need to add a second Where to create a query like this: 现在,在某些情况下,我需要添加第二个创建查询的位置,如下所示:
SELECT * from elements WHERE type=1 AND lang='EN'
Using classic php
I'd do something like: 使用经典的
php
我会做类似的事情:
$sql = 'SELECT * from elements WHERE type=1';
if($var==true) $sql .= " AND lang='EN'";
How can I do that using Laravel Query Builder? 如何使用Laravel Query Builder执行此操作?
Thank you. 谢谢。
You may try something like this 你可以尝试这样的事情
$query = DB::table('elements');
$query->where('some_field', 'some_value');
// Conditionally add another where
if($type) $query->where('type', 1);
// Conditionally add another where
if($lang) $query->where('lang', 'EN');
$rows = $query->get();
Also, check this answer . 另外,请检查此答案 。
$userId = Auth::id();
$data['user_list'] =DB::table('users')->
select('name')->
where('id','!=',$userId)->
where('is_admin','!=','1')->
get();
like that you use multiple where clause :) 就像你使用多个where子句:)
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