上传文件至 'W11/view'

W11/view/ConsoleView.java

@@ -0,0 +1,51 @@
+package com.example.datacollect.view;
+
+import com.example.datacollect.model.Article;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import java.util.List;
+import java.util.Scanner;
+
+public class ConsoleView {
+    private static final Logger logger = LoggerFactory.getLogger(ConsoleView.class);
+    private static final String ANSI_RESET = "\u001B[0m";
+    private static final String ANSI_GREEN = "\u001B[32m";
+    private static final String ANSI_RED = "\u001B[31m";
+    private static final String ANSI_BLUE = "\u001B[34m";
+
+    private final Scanner scanner = new Scanner(System.in);
+
+    public String readLine() {
+        System.out.print("> ");
+        String input = scanner.nextLine();
+        logger.debug("User input: {}", input);
+        return input;
+    }
+
+    public void printSuccess(String msg) {
+        logger.info("Success: {}", msg);
+        System.out.println(ANSI_GREEN + msg + ANSI_RESET);
+    }
+
+    public void printError(String msg) {
+        logger.error("Error: {}", msg);
+        System.out.println(ANSI_RED + msg + ANSI_RESET);
+    }
+
+    public void printInfo(String msg) {
+        logger.info("Info: {}", msg);
+        System.out.println(ANSI_BLUE + msg + ANSI_RESET);
+    }
+
+    public void display(List<Article> articles) {
+        if (articles.isEmpty()) {
+            printInfo("暂无文章，请先执行 crawl。");
+            return;
+        }
+        logger.info("Displaying {} articles", articles.size());
+        for (int i = 0; i < articles.size(); i++) {
+            Article a = articles.get(i);
+            System.out.println((i + 1) + ". " + a.getTitle() + " | " + a.getUrl());
+        }
+    }
+}