我正在尝试使用 Visual Studio Code IDE 在我的 PC 中运行下载的离子模板，但当我尝试运行时出现以下错误npm install
> grpc@1.20.0 install C:\Users\Lenovo\Desktop\project\Template-Ionic\ionic-starter-master\node_modules\grpc
> node-pre-gyp install --fallback-to-build --library=static_library
node-pre-gyp WARN Using request for node-pre-gyp https download
node-pre-gyp WARN Tried to download(404): https://node-precompiled-binaries.grpc.io/grpc/v1.20.0/node-v72-win32-x64-unknown.tar.gz
node-pre-gyp WARN Pre-built binaries not found for grpc@1.20.0 and node@12.14.1 (node-v72 ABI, unknown) (falling back to source compile with node-gyp)
gyp ERR! find VS
gyp ERR! find VS msvs_version was set from command line or npm config
gyp ERR! find VS - looking for Visual Studio version …我正在为一个 arduino 项目编码，我遇到了这个问题，谁能帮帮我！
if(condition1){
//my codes here
}
if(condition2){
//my codes here
}
if(condition3){
//my codes here
}
......
if(condition100){
//my codes here
}
else{
my codes here
}
我想检查我所有的 if 条件，如果条件为真，则执行代码，并且仅当所有 if 条件都不为真时才运行 else 语句。请注意，我无法使用，else if因为我想检查所有 if 条件，如果都不为真，我想运行 else If 条件不相互依赖