写1行不行，要写5行，不要写 jcenter(), google()，半天完不了。

Android配置maven阿里云镜像_海阔天空185的博客-CSDN博客_android maven 阿里云

buildscript {
    repositories {
        maven { url 'https://maven.aliyun.com/repository/central' }
        maven { url 'https://maven.aliyun.com/nexus/content/groups/public/' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/jcenter' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/google' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/gradle-plugin' }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.4.0'
    }
}

allprojects {
    repositories {
        maven { url 'https://maven.aliyun.com/repository/central' }
        maven { url 'https://maven.aliyun.com/nexus/content/groups/public/' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/jcenter' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/google' }
        maven { url 'https://maven.aliyun.com/nexus/content/repositories/gradle-plugin' }
    }
}