Question

get

从表中返回一行数据

get($table, $columns, $where)

• table [string]

  表名.

• columns [string/array]

  返回的字段列.

• where (optional) [array]

  WHERE 条件.

get($table, $join, $columns, $where)

• table [string]

  表名.

• join [array]

  表的关联,如果没有可忽略.

• columns [string/array]

  返回的字段列.

• where (optional) [array]

  WHERE 条件.

Return: [string/array] 返回查询到的数据.这个方法只能获取一条数据

$email = $database->get("account", "email", [	"user_id" => 1234]);// $email = "foo@bar.com"$profile = $database->get("account", [	"email",	"gender",	"location"], [	"user_id" => 1234]);// $profile = array(// 	"email" => "foo@bar.com",// 	"gender" => "female",// 	"location" => "earth"// )$data = $database->get("post", [	"[>]account" => "user_id"], [	"post.content",	"account.user_name",	"account.location"], [	"ORDER" => "post.rate"]);// $data = array(// 	"content" => "A new day",// 	"user_name" => "foo",// 	"location" => "earth"// )