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java web專案讀取資源

假設資源是檔案in.txt,且放在Tomcat的class目錄下,用如下程式碼讀取:

String path = ChatServer.class.getClassLoader().getResource("in.txt").getPath();

追加方式寫入檔案:

BufferedWriter writer = new BufferedWriter(new FileWriter(ChatServer.class.getClassLoader().getResource("in.txt").getPath(), true));
writer.write("abc");
writer.close();