初始化代码

src/main/java/util/zip/PrintTool.java

@@ -0,0 +1,21 @@
+package util.zip;
+
+import org.springframework.util.StopWatch;
+
+import java.io.File;
+
+class PrintTool {
+
+    static void calculateTimeAndLength(File[] files, StopWatch stopWatch, File resultFile){
+        //计算一下文件的大小
+        double length = 0.0000;
+
+        for (File file : files) {
+            length = length + file.length();
+        }
+
+        System.out.println(
+                "文件大小：" + length / 1024.00 / 1024.00 + "M，转换时间：" + stopWatch.getTotalTimeMillis() / 1000.000 + " s," + "压缩后文件大小：" + resultFile
+                        .length() / 1024.00 / 1024.00 + " M");
+    }
+}