将Kotlin数组转换为Java varargs [英] Convert Kotlin Array to Java varargs

问题描述

如何将Kotlin Array转换为varargs Java String[]?

How can I convert my Kotlin Array to a varargs Java String[]?

val angularRoutings = 
    arrayOf<String>("/language", "/home")

// this doesn't work        
web.ignoring().antMatchers(angularRoutings)

如何将ArrayList传递给varargs方法参数?

推荐答案

您应使用"传播算子"，它看起来像这样:*
传播算子必须是前缀为数组参数:

You should use the "spread operator", which looks like this: *
The spread operator needs to be prefixed to the array argument:

antMatchers(*angularRoutings)

有关更多信息，请参见文档:

For further information, see the documentation:

当我们调用vararg函数时，我们可以一个一个地传递参数，例如asList(1, 2, 3)，或者，如果我们已经有一个数组并将其内容传递给该函数，则可以使用传播运算符(使用*前缀该数组):

When we call a vararg-function, we can pass arguments one-by-one, e.g. asList(1, 2, 3), or, if we already have an array and want to pass its contents to the function, we use the spread operator (prefix the array with *):

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