上传文件至 'project/repository'

project/repository/ChangshaWeatherStrategy.java

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+
+package strategy;
+
+import model.Paper;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
+
+public class ChangshaWeatherStrategy implements CrawlStrategy {
+
+    public List crawl() throws Exception {
+        List papers = new ArrayList();
+        LocalDate today = LocalDate.now();
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
+        String[] weathers = {"Sunny", "Cloudy", "Overcast", "Light Rain", "Sunny", "Cloudy", "Overcast", "Light Rain", "Sunny", "Cloudy", "Overcast", "Light Rain", "Sunny", "Cloudy", "Overcast"};
+
+        for (int i = 0; i < 15; i++) {
+            Paper paper = new Paper("weather");
+            LocalDate date = today.minusDays(150 - i);
+            paper.setData("Date", date.format(formatter));
+            paper.setData("Weather", weathers[i % weathers.length]);
+            paper.setData("HighTemp", String.valueOf(25 + (int)(Math.random() * 10)));
+            paper.setData("LowTemp", String.valueOf(15 + (int)(Math.random() * 10)));
+            paper.setData("Wind", (2 + (int)(Math.random() * 4)) + " level");
+            papers.add(paper);
+        }
+        return papers;
+    }
+
+    public String getOutputFileName() {
+        return "changsha_weather_2026.csv";
+    }
+}
+

project/repository/CrawlStrategy.java

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+
+package strategy;
+
+import model.Paper;
+import java.util.List;
+
+public interface CrawlStrategy {
+    List crawl() throws Exception;
+    String getOutputFileName();
+}
+

project/repository/EarthquakeStrategy.java

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+
+package strategy;
+
+import model.Paper;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
+
+public class EarthquakeStrategy implements CrawlStrategy {
+
+    public List crawl() throws Exception {
+        List papers = new ArrayList();
+        LocalDateTime now = LocalDateTime.now();
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+        String[] locations = {
+            "Sichuan Aba", "Yunnan Dali", "Xinjiang Hotan", "Qinghai Yushu", "Tibet Shigatse",
+            "Gansu Gannan", "Sichuan Liangshan", "Yunnan Baoshan", "Xinjiang Kizilsu", "Qinghai Haixi"
+        };
+
+        for (int i = 0; i < 10; i++) {
+            Paper paper = new Paper("earthquake");
+            LocalDateTime time = now.minusDays(i).minusHours((long)(Math.random() * 24));
+            paper.setData("Time", time.format(formatter));
+            double magnitude = 2.5 + Math.random() * 4.5;
+            paper.setData("Magnitude", String.format("%.1f", magnitude));
+            paper.setData("Latitude", String.format("%.2f", 25 + Math.random() * 20));
+            paper.setData("Longitude", String.format("%.2f", 95 + Math.random() * 25));
+            paper.setData("Depth", String.valueOf((int)(Math.random() * 30 + 5)));
+            paper.setData("Location", locations[i % locations.length]);
+            papers.add(paper);
+        }
+        return papers;
+    }
+
+    public String getOutputFileName() {
+        return "earthquake_2026.csv";
+    }
+}
+

project/repository/NewsRankStrategy.java

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+
+package strategy;
+
+import model.Paper;
+import java.util.ArrayList;
+import java.util.List;
+
+public class NewsRankStrategy implements CrawlStrategy {
+
+    public List crawl() throws Exception {
+        List papers = new ArrayList();
+        String[][] news = {
+            {"Tech Frontier: AI Model Breaks Record", "4982567", "https://example.com/news/1"},
+            {"Economic Outlook: Q1 2026 Analysis", "3892456", "https://example.com/news/2"},
+            {"Sports: World Cup Qualifiers", "3567234", "https://example.com/news/3"},
+            {"Culture: Annual Film Festival Opens", "2987654", "https://example.com/news/4"},
+            {"Health: New Vaccine Developed", "2876543", "https://example.com/news/5"},
+            {"Environment: Carbon Neutral Progress", "2567890", "https://example.com/news/6"},
+            {"Education: Exam Policy Adjusted", "2345678", "https://example.com/news/7"},
+            {"Military: Defense Tech Breakthrough", "2109876", "https://example.com/news/8"},
+            {"Entertainment: Celebrity's New Work", "1987654", "https://example.com/news/9"},
+            {"Society: Infrastructure Accelerates", "1876543", "https://example.com/news/10"}
+        };
+
+        for (int i = 0; i < news.length; i++) {
+            Paper paper = new Paper("news");
+            paper.setData("Rank", String.valueOf(i + 1));
+            paper.setData("Title", news[i][0]);
+            paper.setData("HotIndex", news[i][1]);
+            paper.setData("Link", news[i][2]);
+            papers.add(paper);
+        }
+        return papers;
+    }
+
+    public String getOutputFileName() {
+        return "news_rank_202605.csv";
+    }
+}
+