上传文件至 'w6-巫秋雨-202506050320'

w6-巫秋雨-202506050320/PdfReport.java

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+public class PdfReport implements ReportInter{
+    @Override
+    public void generate() {
+        System.out.println("生成PDF报表");
+    }
+}

w6-巫秋雨-202506050320/ReportInter.java

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+
+public interface ReportInter {
+    void generate();
+}

w6-巫秋雨-202506050320/TestReport.java

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+public class TestReport {
+    public static void main(String[] args) {
+        // 多态调用
+        ReportInter r1 = new PdfReport();
+        r1.generate();
+
+        ReportInter r2 = new ExcelReport();
+        r2.generate();
+    }
+}