1. Dll 加载失败，调用崩溃问题修正

fmp_printer_p.cpp

@@ -49,8 +49,12 @@ int FMPPrinterPrivate::Uninit()
 bool FMPPrinterPrivate::_DoPrint(QString data)
 {
     QLOG_INFO() <<"receive data is"<<data;
-    if(FM_LoadAddress() && FM_inItConfig())
-    QLOG_INFO() <<QString(GB2312ToUnicode("初始化打印机配置成功"));
+    if(FM_LoadAddress && FM_LoadAddress() && FM_inItConfig()) {
+        QLOG_INFO() <<QString(GB2312ToUnicode("初始化打印机配置成功"));
+    }
+    else {
+        return false;
+    }
     QLOG_INFO() <<"receive data is"<<data;
     char m_data[2048]={0};
     switch (m_print.m_PrintType)

initclass.h

@@ -11,7 +11,7 @@ inItConfig FM_inItConfig  ;
 PrintData  FM_PrintData ;
 Print2dData FM_Print2dData;
 unloaddll  FM_unloaddll ;
-LoadAddress FM_LoadAddress ;
+LoadAddress FM_LoadAddress = 0 ;
 void InitLogger();
 QString getdata();
 bool InitDll();