




| public abstract class Log { public abstract void Write(string log); } public class DatabaseLog : Log { public override void Write(string log) { //......Log Database } } public class TextFileLog : Log { public override void Write(string log) { //......Log Text File } } |

| public class NDatabaseLog : DatabaseLog { public override void Write(string log) { //......(.NET平台)Log Database } } public class JDatabaseLog : DatabaseLog { public override void Write(string log) { //......(Java平台)Log Database } } public class NTextFileLog : TextFileLog { public override void Write(string log) { //......(.NET平台)Log Text File } } public class JTextFileLog : TextFileLog { public override void Write(string log) { //......(Java平台)Log TextFile } } |


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