我使用下面的代码根据产品口味自动生成proguard映射文件。buildTypes{release{minifyEnabledtrueshrinkResourcestrueproguardFilesgetDefaultProguardFile('proguard-android.txt'),'proguard-rules.pro'applicationVariants.all{variant->if(variant.getBuildType().isMinifyEnabled()){variant.assemble.doLast{copy{fromvariant.mappingFile