diff --git a/doc/文档模板-软件需求规格说明书模板.docx b/doc/文档模板-软件需求规格说明书模板.docx
new file mode 100644
index 0000000..e945f40
Binary files /dev/null and b/doc/文档模板-软件需求规格说明书模板.docx differ
diff --git a/src/DateTimePickerDialog.java b/src/DateTimePickerDialog.java
new file mode 100644
index 0000000..ea9cf41
--- /dev/null
+++ b/src/DateTimePickerDialog.java
@@ -0,0 +1,14 @@
+class Demo{
+    public <T> T fun(T t){  //可以接收任意类型的数据
+        return t;          //直接把参数返回
+    }
+}
+public class GenericsDemo {
+    public static void main(String[] args) {
+        edu.eurasia.generics.Demo d = new edu.eurasia.generics.Demo();        //实例化Demo对象
+        String str = d.fun("汤姆");//传递字符串
+        int i = d.fun(30);       //传递数字，自动装箱
+        System.out.println(str);   //输出内容
+        System.out.println(i);     //输出内容
+    }
+}
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