到处都找遍了，但找不到答案。通过使用分布的分离配置的zipTree来巧妙地解决它，如下所示：

...
dependencies {
    ...
    implementation zipTree(project.configurations.detachedConfiguration(dependencies.create("com.jetbrains.intellij.idea:ideaIC:2021.1.2")).singleFile).matching {
        include "lib/platform-api.jar"
    }
}

如果你想避免每次构建运行时都解压缩，你可以使用一个任务并利用最新的检查（参见authoring tasks和通过运行时API声明任务输入和输出）

configurations {
   intellij
}
dependencies {
   intellij 'com.jetbrains.intellij.idea:ideaIC:2021.1.2'
   implementation tasks.named('intellijUnzip')
}
tasks.register('intellijUnzip') {
   inputs.files configurations.intellij
   outputs.dir "$buildDir/intellijUnzip"
   doLast {
      copy {
         from zipTree(configurations.intellij.singleFile)
         include "lib/platform-api.jar"
         into "$buildDir/intellijUnzip"
      } 
   }
}