上传文件至 'project'

project/Main.java

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+package java01;
+
+import java.util.List;
+import java.util.Map;
+
+public class Main {
+    public static void main(String[] args) {
+        // 1. 初始化爬虫
+        JobCrawler crawler = new JobCrawler();
+        
+        // 2. 爬取数据
+        System.out.println("开始爬取招聘数据...");
+        List<Job> jobs = crawler.crawlJobs("Java", 3); // 爬取3页数据
+        System.out.println("爬取完成，共获取 " + jobs.size() + " 条职位信息");
+        
+        // 3. 数据清洗
+        DataCleaner cleaner = new DataCleaner();
+        jobs = cleaner.cleanJobs(jobs);
+        System.out.println("数据清洗完成");
+        
+        // 4. 数据存储
+        DataStorage storage = new DataStorage();
+        storage.writeJobsToCSV(jobs, "jobs.csv");
+        
+        // 5. 数据分析
+        DataAnalyzer analyzer = new DataAnalyzer();
+        
+        // 分析技能词频
+        Map<String, Integer> skillFrequency = analyzer.analyzeSkillFrequency(jobs);
+        
+        // 分析薪资与经验关系
+        Map<String, Double> salaryByExperience = analyzer.analyzeSalaryByExperience(jobs);
+        
+        // 分析薪资与学历关系
+        Map<String, Double> salaryByEducation = analyzer.analyzeSalaryByEducation(jobs);
+        
+        // 分析不同地点薪资水平
+        Map<String, Double> salaryByLocation = analyzer.analyzeSalaryByLocation(jobs);
+        
+        // 分析薪资分布
+        Map<String, Integer> salaryDistribution = analyzer.analyzeSalaryDistribution(jobs);
+        
+        // 6. 结果展示
+        ResultDisplay display = new ResultDisplay();
+        
+        // 控制台输出
+        display.displaySkillFrequency(skillFrequency);
+        display.displaySalaryByExperience(salaryByExperience);
+        display.displaySalaryByEducation(salaryByEducation);
+        display.displaySalaryByLocation(salaryByLocation);
+        display.displaySalaryDistribution(salaryDistribution);
+        
+        // 生成图表
+        display.generateSkillFrequencyChart(skillFrequency, "skill_frequency.png");
+        display.generateSalaryDistributionChart(salaryDistribution, "salary_distribution.png");
+        display.generateSalaryByExperienceChart(salaryByExperience, "salary_by_experience.png");
+        
+        System.out.println("\n所有任务完成！");
+    }
+}

project/ResultDisplay.java

@@ -0,0 +1,101 @@
+package java01;
+
+import java.util.Map;
+
+public class ResultDisplay {
+    
+    // 控制台输出技能词频统计
+    public void displaySkillFrequency(Map<String, Integer> skillFrequency) {
+        System.out.println("\n=== 技能词频统计 ===");
+        System.out.printf("%-20s %s\n", "技能", "出现次数");
+        System.out.println("------------------------");
+        
+        int count = 0;
+        for (Map.Entry<String, Integer> entry : skillFrequency.entrySet()) {
+            if (count < 20) { // 只显示前20个
+                System.out.printf("%-20s %d\n", entry.getKey(), entry.getValue());
+                count++;
+            }
+        }
+    }
+    
+    // 控制台输出薪资与经验关系
+    public void displaySalaryByExperience(Map<String, Double> salaryByExperience) {
+        System.out.println("\n=== 薪资与经验关系 ===");
+        System.out.printf("%-15s %s\n", "经验", "平均薪资(元)");
+        System.out.println("------------------------");
+        
+        for (Map.Entry<String, Double> entry : salaryByExperience.entrySet()) {
+            System.out.printf("%-15s %.2f\n", entry.getKey(), entry.getValue());
+        }
+    }
+    
+    // 控制台输出薪资与学历关系
+    public void displaySalaryByEducation(Map<String, Double> salaryByEducation) {
+        System.out.println("\n=== 薪资与学历关系 ===");
+        System.out.printf("%-15s %s\n", "学历", "平均薪资(元)");
+        System.out.println("------------------------");
+        
+        for (Map.Entry<String, Double> entry : salaryByEducation.entrySet()) {
+            System.out.printf("%-15s %.2f\n", entry.getKey(), entry.getValue());
+        }
+    }
+    
+    // 控制台输出不同地点薪资水平
+    public void displaySalaryByLocation(Map<String, Double> salaryByLocation) {
+        System.out.println("\n=== 不同地点薪资水平 ===");
+        System.out.printf("%-15s %s\n", "地点", "平均薪资(元)");
+        System.out.println("------------------------");
+        
+        for (Map.Entry<String, Double> entry : salaryByLocation.entrySet()) {
+            System.out.printf("%-15s %.2f\n", entry.getKey(), entry.getValue());
+        }
+    }
+    
+    // 控制台输出薪资分布
+    public void displaySalaryDistribution(Map<String, Integer> salaryDistribution) {
+        System.out.println("\n=== 薪资分布 ===");
+        System.out.printf("%-15s %s\n", "薪资范围", "职位数量");
+        System.out.println("------------------------");
+        
+        for (Map.Entry<String, Integer> entry : salaryDistribution.entrySet()) {
+            System.out.printf("%-15s %d\n", entry.getKey(), entry.getValue());
+        }
+    }
+    
+    // 生成技能词频柱状图（控制台文本版本）
+    public void generateSkillFrequencyChart(Map<String, Integer> skillFrequency, String fileName) {
+        System.out.println("\n=== 技能词频统计图表 ===");
+        int count = 0;
+        for (Map.Entry<String, Integer> entry : skillFrequency.entrySet()) {
+            if (count < 10) {
+                System.out.printf("%-20s ", entry.getKey());
+                // 用星号表示频率
+                for (int i = 0; i < Math.min(entry.getValue(), 50); i++) {
+                    System.out.print("*");
+                }
+                System.out.println(" " + entry.getValue());
+                count++;
+            }
+        }
+        System.out.println("技能词频图表已生成（文本版本）");
+    }
+    
+    // 生成薪资分布饼图（控制台文本版本）
+    public void generateSalaryDistributionChart(Map<String, Integer> salaryDistribution, String fileName) {
+        System.out.println("\n=== 薪资分布图表 ===");
+        for (Map.Entry<String, Integer> entry : salaryDistribution.entrySet()) {
+            System.out.printf("%-15s %d\n", entry.getKey(), entry.getValue());
+        }
+        System.out.println("薪资分布图表已生成（文本版本）");
+    }
+    
+    // 生成薪资与经验关系折线图（控制台文本版本）
+    public void generateSalaryByExperienceChart(Map<String, Double> salaryByExperience, String fileName) {
+        System.out.println("\n=== 薪资与经验关系图表 ===");
+        for (Map.Entry<String, Double> entry : salaryByExperience.entrySet()) {
+            System.out.printf("%-15s %.2f\n", entry.getKey(), entry.getValue());
+        }
+        System.out.println("薪资与经验关系图表已生成（文本版本）");
+    }
+}