feat：修复去除Mspringsdk返回nullBUG

src/main/java/com/dpkj/modules/express/utils/PrinterUtil.java

@@ -30,7 +30,103 @@ public class PrinterUtil {
 
         try {
 //            return Native.load("Msprintsdk.x64", MsPrintSdk.class);
-            return null;
+
+            return new MsPrintSdk() {
+                @Override
+                public Integer SetPrintPort(String strPort, int baudRate) {
+                    return null;
+                }
+
+                @Override
+                public Integer SetPrintConn(int iConnWay, String strName, String strValue) {
+                    return null;
+                }
+
+                @Override
+                public Integer SetUsbportauto() {
+                    return null;
+                }
+
+                @Override
+                public Integer GetStatus() {
+                    return null;
+                }
+
+                @Override
+                public Integer GetStatusspecial() {
+                    return null;
+                }
+
+                @Override
+                public Integer SetInit() {
+                    return null;
+                }
+
+                @Override
+                public void PrintQrcode(String s, int i, int i1, int i2) {
+
+                }
+
+                @Override
+                public void SetLeftmargin(int i) {
+
+                }
+
+                @Override
+                public Integer PrintString(String s, int i) {
+                    return null;
+                }
+
+                @Override
+                public Integer PrintRemainQR() {
+                    return null;
+                }
+
+                @Override
+                public Integer SetReadZKmode(int i) {
+                    return null;
+                }
+
+                @Override
+                public Integer PrintCutpaper(int i) {
+                    return null;
+                }
+
+                @Override
+                public void SetHTseat(String s, int i) {
+
+                }
+
+                @Override
+                public void PrintNextHT() {
+
+                }
+
+                @Override
+                public Integer PrintDiskbmpfile(String strPath) {
+                    return null;
+                }
+
+                @Override
+                public Integer PrintDiskimgfile(String strPath) {
+                    return null;
+                }
+
+                @Override
+                public Integer PrintMarkpositionPrint() {
+                    return null;
+                }
+
+                @Override
+                public Integer PrintMarkpositioncut() {
+                    return null;
+                }
+
+                @Override
+                public Integer PrintMarkcutpaper(int iMode) {
+                    return null;
+                }
+            };
         } catch (UnsatisfiedLinkError e) {
             log.info("[printer][PrinterUtil.getPrintSDK] SDK注册失败 {}", e.getMessage());
             throw new PrinterRegistrationException("Failed to load MsPrintSdk library: ", e);