尝试获取输出文件夹

Author: lindexi

Code/UsingMSBuildCopyOutputFileToFastDebug/LaunchSettingsParser.cs

@@ -22,7 +22,7 @@ public bool Execute()
             if (!File.Exists(file))
             {
                 Console.WriteLine($"找不到{file}文件，读取结束");
-                return true;
+                return false;
             }
 
             var text = File.ReadAllText(file);
@@ -52,7 +52,7 @@ public bool Execute()
                 }
             }
 
-            return true;
+            return false;
         }
 
         public string LaunchMainProjectPath { set; get; }

Code/UsingMSBuildCopyOutputFileToFastDebug/Program.cs

@@ -66,10 +66,28 @@ private static DirectoryInfo GetTargetFolder(CopyOutputFileOptions copyOutputFil
             // 如果用户有设置此文件夹，那就期望是输出到此文件夹
             if (!string.IsNullOrEmpty(mainProjectPath))
             {
+                if (Directory.Exists(mainProjectPath) is false)
+                {
+                    throw new DirectoryNotFoundException(
+                        $"Can not find '{mainProjectPath}' FullPath={Path.GetFullPath(mainProjectPath)}");
+                }
+
                 return new DirectoryInfo(mainProjectPath);
             }
+            // 尝试去读取 LaunchSettings 文件
+            var launchSettingsParser = new LaunchSettingsParser();
+            if (launchSettingsParser.Execute())
+            {
+                var launchMainProjectPath = launchSettingsParser.LaunchMainProjectPath;
+                if (Directory.Exists(launchMainProjectPath) is false)
+                {
+                    throw new DirectoryNotFoundException($"Can not find '{launchMainProjectPath}'");
+                }
+
+                return new DirectoryInfo(launchMainProjectPath);
+            }
 
-            return null;
+            throw new ArgumentException($"没有从 MainProjectPath 和 LaunchSettings 获取到输出的文件夹");
         }
 
         private static IMSBuildLogger Logger { get; } = new MSBuildConsoleLogger();