Swift -获取另一个应用程序中当前打开的文档的文件路径

import AppKit

let workspace = NSWorkspace.shared

guard let appURL = workspace.urlForApplication(withBundleIdentifier: "com.example.AnotherApp") else {
    // 应用程序未安装或无法找到
    return
}

let runningApps = workspace.runningApplications

for app in runningApps {
    if app.bundleIdentifier == "com.example.AnotherApp" {
        // 找到目标应用程序
        // 使用NSAppleEventDescriptor的descriptorWithDescriptorType:bytes:length:方法构建Apple事件描述符
        let eventDescriptor = NSAppleEventDescriptor(descriptorType: typeKernelProcessID, bytes: &app.processIdentifier, length: MemoryLayout<pid_t>.size)
        
        // 使用NSAppleEventDescriptor的descriptorWithDescriptorType:data:方法构建Apple事件描述符
        let targetDescriptor = NSAppleEventDescriptor(descriptorType: typeApplicationBundleID, data: "com.example.AnotherApp".data(using: .utf8))
        
        // 使用NSAppleEventDescriptor的descriptorWithEventClass:eventID:targetDescriptor:returnID:transactionID:方法构建Apple事件描述符
        let appleEventDescriptor = NSAppleEventDescriptor(descriptorWithEventClass: kCoreEventClass, eventID: kAEOpenDocuments, targetDescriptor: targetDescriptor, returnID: kAutoGenerateReturnID, transactionID: kAnyTransactionID)
        
        // 使用NSAppleEventDescriptor的setParamDescriptor:forKeyword:方法设置参数描述符
        appleEventDescriptor.setParamDescriptor(eventDescriptor, forKeyword: keyDirectObject)
        
        // 使用NSAppleEventDescriptor的sendEventWithOptions:timeout:方法发送Apple事件
        let replyDescriptor = try? appleEventDescriptor.sendEvent(options: .defaultOptions, timeout: 60.0)
        
        // 使用NSAppleEventDescriptor的paramDescriptorForKeyword:方法获取返回的参数描述符
        if let replyDescriptor = replyDescriptor, let fileURL = replyDescriptor.paramDescriptorForKeyword(keyDirectObject)?.stringValue {
            // 获取到文件路径
            print(fileURL)
        } else {
            // 未能获取文件路径
        }
        
        break
    }
}