ModbusTCP测试程序源码

本测试程序采用Qt写的界面，版本Qt5.9.4。主要实现上位机软件与真实PLC(S7-1200)通讯。针对不同指令测试，如果需要根据自己的需求，代码中已经写好了注释，在什么位置修改。源码有几处可以优化的地方。

//
//  Bismillah ar-Rahmaan ar-Raheem
//
//  Easylogging++ v9.96.4
//  Cross-platform logging library for C++ applications
//
//  Copyright （c） 2012-2018 Muflihun Labs
//  Copyright （c） 2012-2018 @abumusamq
//
//  This library is released under the MIT Licence.
//  https://github.com/muflihun/easyloggingpp/blob/master/LICENSE
//
//  https://github.com/muflihun/easyloggingpp
//  https://muflihun.github.io/easyloggingpp
//  http://muflihun.com
//

#include “easylogging++.h“

#if defined（AUTO_INITIALIZE_EASYLOGGINGPP）
INITIALIZE_EASYLOGGINGPP
#endif

namespace el {

// el::base
namespace base {
// el::base::consts
namespace consts {

// Level log values - These are values that are replaced in place of %level format specifier
// Extra spaces after format specifiers are only for readability purposes in log files
static const base::type::char_t* kInfoLevelLogValue     =   ELPP_LITERAL（“INFO“）;
static const base::type::char_t* kDebugLevelLogValue    =   ELPP_LITERAL（“DEBUG“）;
static const base::type::char_t* kWarningLevelLogValue  =   ELPP_LITERAL（“WARNING“）;
static const base::type::char_t* kErrorLevelLogValue    =   ELPP_LITERAL（“ERROR“）;
static const base::type::char_t* kFatalLevelLogValue    =   ELPP_LITERAL（“FATAL“）;
static const base::type::char_t* kVerboseLevelLogValue  =
  ELPP_LITERAL（“VERBOSE“）; // will become VERBOSE-x where x = verbose level
static const base::type::char_t* kTraceLevelLogValue    =   ELPP_LITERAL（“TRACE“）;
static const base::type::char_t* kInfoLevelShortLogValue     =   ELPP_LITERAL（“I“）;
static const base::type::char_t* kDebugLevelShortLogValue    =   ELPP_LITERAL（“D“）;
static const base::type::char_t* kWarningLevelShortLogValue  =   ELPP_LITERAL（“W“）;
static const base::type::char_t* kErrorLevelShortLogValue    =   ELPP_LITERAL（“E“）;
static const base::type::char_t* kFatalLevelShortLogValue    =   ELPP_LITERAL（“F“）;
static const base::type::char_t* kVerboseLevelShortLogValue  =   ELPP_LITERAL（“V“）;
static const base::type::char_t* kTraceLevelShortLogValue    =   ELPP_LITERAL（“T“）;
// Format specifiers - These are used to define log format
static const base::type::char_t* kAppNameFormatSpecifier          =      ELPP_LITERAL（“%app“）;
static const base::type::char_t* kLoggerIdFormatSpecifier         =      ELPP_LITERAL（“%logger“）;
static const base::type::char_t* kThreadIdFormatSpecifier         =      ELPP_LITERAL（“%thread“）;
static const base::type::char_t* kSeverityLevelFormatSpecifier    =      ELPP_LITERAL（“%level“）;
static const base::type::char_t* kSeverityLevelShortFormatSpecifier    =      ELPP_LITERAL（“%levshort“）;
static const base::type::char_t* kDateTimeFormatSpecifier         =      ELPP_LITERAL（“%datetime“）;
static const base::type::char_t* kLogFileFormatSpecifier          =      ELPP_LITERAL（“%file“）;
static const base::type::char_t* kLogFilebaseFormatSpecifier      =      ELPP_LITERAL（“%fbase“）;
static const base::type::char_t* kLogLineFormatSpecifier          =      ELPP_LITERAL（“%line“）;
static const base::

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件        1023  2018-10-24 16:06  .qmake.stash
     目录           0  2018-10-29 18:02  debug\
     文件         954  2018-09-06 16:00  debug\logger.conf
     目录           0  2018-10-29 17:42  dialog\
     文件       32141  2018-10-29 17:42  dialog\modbustcpdialog.cpp
     文件        3347  2018-10-29 17:30  dialog\modbustcpdialog.h
     文件         421  2018-10-24 17:23  dialog\modbustcpdialog.ui
     文件        1200  2018-10-26 14:32  dialog\statusbar.cpp
     文件         948  2018-08-27 10:22  dialog\statusbar.h
     文件         521  2018-08-27 10:22  dialog\statusbar.ui
     文件      121481  2018-04-02 17:19  easylogging++.cpp
     文件      179497  2018-04-02 17:19  easylogging++.h
     文件        1110  2018-10-24 11:11  errorcode.h
     目录           0  2018-10-29 08:51  icons\
     文件        4286  2018-08-27 10:22  icons\32.ico
     文件         484  2018-10-25 18:56  main.cpp
     文件       26516  2018-10-29 16:24  Makefile
     文件       74762  2018-10-29 16:24  Makefile.Debug
     文件       74904  2018-10-29 16:24  Makefile.Release
     文件          43  2018-08-27 10:04  minresource.rc
     文件        2975  2018-10-29 17:37  modbusadapter.cpp
     文件        1515  2018-10-29 17:38  modbusadapter.h
     文件        1387  2018-10-25 19:02  ModbusAdapterTCP.pro
     文件       23715  2018-10-29 18:03  ModbusAdapterTCP.pro.user
     文件      105267  2018-10-27 23:25  ModbusAdapterTCP.pro.user.0d40620
     文件        8454  2018-10-29 16:25  myeasylog.log
     目录           0  2018-10-29 18:03  release\
     文件         954  2018-09-06 16:00  release\logger.conf
     目录           0  2018-10-24 18:08  ui\
     文件        1388  2018-10-29 15:19  ui_modbustcpdialog.h
     文件        1337  2018-10-29 15:19  ui_statusbar.h
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