在使用implode分割字符串後,直接用mysql進行查詢時,拼接後的字符串不帶引號,會報字段找不到的錯誤,如下:
$str = implode(',',array('張三','李四','王五'));
$res = DB::select("SELECT `user`.username,`user`.mobile FROM `user` WHERE `user`.username NOT IN (".$str.") ;");
報錯信息:
SQLSTATE[42S22]: Column not found: 1054 Unknown column '張三' in 'where clause' (SQL: SELECT `user`.username,`user`.mobile FROM `user` WHERE `user`.username NOT IN (張三,李四,王五) ;)
從報錯信息可以看出,sql中的名字未加上引號,
修改方式如下:
$str = implode("','",array('張三','李四','王五'));
$res = DB::select("SELECT `user`.username,`user`.mobile FROM `user` WHERE `user`.username NOT IN ('".$str."') ;");