我就想问 上面说的老的教程声明map和新的声明有什么不同???
新
$map: ( $key1: value1, $key2: value2, $key3: value3 )
旧
$map: ( key1 value1, key2 value2, key3 value3 );
$map:( key1 value1, key2 value2, key3 ( key-1 value-1, key-2 value-2 ), key4 value4 );