壁挂打印机（缺文档接口说明）、身份证读取（缺64位dll动态库）

src/main/java/com/dpkj/modules/autoReplyPrint/utils/TestUtils.java

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+package com.dpkj.modules.autoReplyPrint.utils;
+
+import javax.swing.*;
+import java.io.FileInputStream;
+import java.io.InputStream;
+
+public class TestUtils {
+    public static byte[] ReadFromFile(String fileName) {
+        byte[] data = null;
+        try {
+            InputStream in = new FileInputStream(fileName);
+            data = new byte[in.available()];
+            in.read(data);
+            in.close();
+        } catch (Throwable tr) {
+            tr.printStackTrace();
+        }
+
+        return data;
+    }
+
+    public static void showMessageOnUiThread(final String msg) {
+        SwingUtilities.invokeLater(new Runnable() {
+            @Override
+            public void run() {
+                JOptionPane.showMessageDialog(null, msg);
+            }
+        });
+    }
+}