add 获取api 个数方法

src/main/java/com/live/utils/GetFilesNum.java

+package com.live.utils;
+
+
+import java.io.File;
+
+/**
+ * 用来统计api 个数
+ */
+public class GetFilesNum {
+    public static int num = 0;
+    public static void main(String[] args) {
+        // TODO Auto-generated method stub
+        File file = new File("src/main/java/com/sow/cases");
+        show (file);
+        System.out.println("有"+num+"个Jar文件");
+    }
+
+    public static void show(File file) {
+        // TODO Auto-generated method stub
+        for(File f : file.listFiles()) {
+            if(f.isFile()) {
+                if(f.getName().startsWith("Test")) {
+                    num++;
+                }
+            }else {
+                show(f);
+            }
+        }
+
+    }
+
+
+}