Groovy - 将两个地图与不同的列组合在一起

Question

我定义了两个 a = [[(k, *y) for y in v[0]] for k,v in d.items()] a = [item for sublist in a for item in sublist] ArrayList。我希望将它们合二为一。

Maps

Expexted输出：

def arrayL1 = [name: "Smith", age: "2"]
def arrayL2 = [school: "School1", address: "Address1"]

Answer 1

newArray = arrayL1.plus(arrayL2)

或

newArray = arrayL1 + arrayL2

应该做的伎俩

Answer 2

您可以使用以下方法添加两张地图

  

1.Spread map operator

它允许您将地图的内容内联到另一个地图文字中，如下例所示：

Map map1 = [name: "Smith", age: "2"]

Map map2 = [school: "School1", address: "Address1", *:map1]

输出：

map2 = [name: "Smith", age: "2", school: "School1", address: "Address1"]

  

2.Plus运营商

Map mergedMap = map1 + map2

  

3.Plus方法

Map mergedMap = map1.plus(map2)