thinkphp 多条件联合查询 where例句
$where['username'] = array("eq",$username);
$where['phone'] = array("eq",$username);
$where['email'] = array("eq",$username);
$where['_logic'] = "or"; //逻辑或， where数组中条件进行or 运算
$map['_complex'] = $where; //联合查询
$map['_logic'] = "and"; //逻辑且 map 数组中条件进行and 运算
$map['password'] = array("eq",$this->_post("password"));