最近看了下tp,想到把它的查詢條件寫成數組形式,稍微總結了一下。where條件寫成數組形式:
public function test(){
$where1=array(
'trade_no'=>'435363',
'out_trade_no'=>'435363',
'_logic'=>'or',
);
$a='bbbvcccd';
$b=3;
$where=array(
'order_sn'=>'123456',
'order_status'=>array('lt',$b),//大於gt,小於lt
'pay_time'=>array('between','1,2'),
'order_id'=>array('in','12,13,14'),
'order_uid'=>array('like','%'.$a.'%'),
'_complex'=>$where1,
);
M('order')->where($where)->select();
echo M()->getLastSql();
}
打印後的sql語句:SELECT * FROM `order` WHERE `order_sn` = '123456' AND `order_status` < 3 AND `pay_time` BETWEEN '1' AND '2' AND `order_id` IN ('12','13','14') AND `order_uid` LIKE '%bbbvcccd%' AND ( `trade_no` = '435363' OR `out_trade_no` = '435363' )
對於特殊的語句,可以用特殊的模式查詢,包括字符串模式查詢(_string
)、複合查詢(_complex
)、請求字符串查詢(_query
),如:$map['_query'] = 'status=1&score=100&_logic=or';
對於is not null 的語句,可以使用exp表達式,它支持任何的sql語句。
public function test2(){
$where1=array(
'status'=>0,
'org_id'=>'',
'phone'=>array('exp','is not null'),
'is_del'=>0,
);
$where=array(
'_string'=>'status=1 and partner_id is not null and is_del=0',
'_complex'=>$where1,
'_logic'=>'or',
);
$count=M('member')->where($where)->select();
}
附上一張關係運算符表:
表達式 | 含義 | 協助記憶 |
---|---|---|
EQ | 等於(=) | equal |
NEQ | 不等於(<>) | not equal |
GT | 大於(>) | greater |
EGT | 大於等於(>=) | equal or greater |
LT | 小於(<) | less than |
ELT | 小於等於(<=) | equal or less than |
LIKE | 模糊查詢 | |
[NOT] BETWEEN | (不在)區間查詢 | |
[NOT] IN | (不在)IN 查詢 | |
EXP | 表達式查詢,支持SQL語法 | expression |