w9-202401070104-张思渊

w9/ConsoleView.java

@@ -0,0 +1,73 @@
+package com.example.datacollect.view;
+
+import com.example.datacollect.model.Article;
+import java.util.List;
+import java.util.Scanner;
+
+public class ConsoleView {
+    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 static final String ANSI_WHITE = "\u001B[37m";
+    private static final String ANSI_BG_BLACK = "\u001B[40m";
+
+    private static final boolean DARK_THEME = true;
+
+    private final Scanner scanner = new Scanner(System.in);
+
+    public String readLine() {
+        if (DARK_THEME) {
+            System.out.print(ANSI_BG_BLACK + ANSI_WHITE + "> " + ANSI_RESET);
+        } else {
+            System.out.print("> ");
+        }
+        return scanner.nextLine();
+    }
+
+    public void printSuccess(String msg) {
+        if (DARK_THEME) {
+            System.out.println(ANSI_BG_BLACK + ANSI_GREEN + msg + ANSI_RESET);
+        } else {
+            System.out.println(ANSI_GREEN + msg + ANSI_RESET);
+        }
+    }
+
+    public void printError(String msg) {
+        if (DARK_THEME) {
+            System.out.println(ANSI_BG_BLACK + ANSI_RED + msg + ANSI_RESET);
+        } else {
+            System.out.println(ANSI_RED + msg + ANSI_RESET);
+        }
+    }
+
+    public void printInfo(String msg) {
+        if (DARK_THEME) {
+            System.out.println(ANSI_BG_BLACK + ANSI_BLUE + msg + ANSI_RESET);
+        } else {
+            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;
+        }
+        for (int i = 0; i < articles.size(); i++) {
+            Article a = articles.get(i);
+            String output = (i + 1) + ". " + a.getTitle() + " | " + a.getUrl();
+            if (a.getAuthor() != null && !a.getAuthor().isEmpty()) {
+                output += " | Author: " + a.getAuthor();
+            }
+            if (a.getPublishDate() != null && !a.getPublishDate().isEmpty()) {
+                output += " | Date: " + a.getPublishDate();
+            }
+            if (DARK_THEME) {
+                System.out.println(ANSI_BG_BLACK + ANSI_WHITE + output + ANSI_RESET);
+            } else {
+                System.out.println(output);
+            }
+        }
+    }
+}