如何迭代 groovy 中的对象数组

Question

How to loop the array of objects in groovy?

I have tried below logic and got the No such property error.

def map = [{asset_key = helloWorld}, {asset_key = Demo}]

for(key in map){
  println(key.asset_key)
}

error:

Caught: groovy.lang.MissingPropertyException: No such property: asset_key for class: maingroovy.lang.MissingPropertyException: No such property: asset_key for class: mainat main.run(main.groovy:4)

expected output:

helloWorld
Demo

Answer 1

The code {asset_key = helloWorld} is not a Groovy key-value pair, it's a closure. Try this instead:

def map = [ asset_key1: 'helloWorld', asset_key2:'Demo']
println "map is: ${map}\n"

map.each { key, value ->
    println "$key has value $value"
}

Running the above example will give you this result:

The following code will give your desired output:

def map = [ asset_key1: 'helloWorld', asset_key2:'Demo']

map.each { key, value ->
    println value
}