From 02b9413dff7ea127a2fae66fb43ca1d2ee5782c0 Mon Sep 17 00:00:00 2001
From: wuqiuyu <2135752554@qq.com>
Date: Thu, 16 Apr 2026 10:38:34 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6=E8=87=B3?=
 =?UTF-8?q?=20'w6-=E5=B7=AB=E7=A7=8B=E9=9B=A8-202506050320'?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 w6-巫秋雨-202506050320/ExcelReport.java |  6 ++++++
 w6-巫秋雨-202506050320/OldReport.java   | 17 +++++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 w6-巫秋雨-202506050320/ExcelReport.java
 create mode 100644 w6-巫秋雨-202506050320/OldReport.java

diff --git a/w6-巫秋雨-202506050320/ExcelReport.java b/w6-巫秋雨-202506050320/ExcelReport.java
new file mode 100644
index 0000000..ef38592
--- /dev/null
+++ b/w6-巫秋雨-202506050320/ExcelReport.java
@@ -0,0 +1,6 @@
+public class ExcelReport implements ReportInter{
+    @Override
+    public void generate() {
+        System.out.println("生成Excel报表");
+    }
+}
\ No newline at end of file
diff --git a/w6-巫秋雨-202506050320/OldReport.java b/w6-巫秋雨-202506050320/OldReport.java
new file mode 100644
index 0000000..59d83fb
--- /dev/null
+++ b/w6-巫秋雨-202506050320/OldReport.java
@@ -0,0 +1,17 @@
+// 原始错误代码：违反开闭原则
+public class OldReport {
+    public void generate(String type){
+        if(type.equals("PDF")){
+            System.out.println("生成PDF报表");
+        }else if(type.equals("Excel")){
+            System.out.println("生成Excel报表");
+        }
+        // 缺点：新增格式必须修改这里的if else
+    }
+
+    public static void main(String[] args) {
+        OldReport r = new OldReport();
+        r.generate("PDF");
+        r.generate("Excel");
+    }
+}
\ No newline at end of file