使用QT官方库的mqtt客户端

MQTT是一种基于发布/订阅（publish/subscribe）模式的“轻量级”的低开销、低带宽占用的即时通讯协议，在物联网、小型设备、移动应用等方面有非常广泛的应用。QT5.10以后官方支持mqtt，本程序系使用QT官方库实现的mqtt客户端例程，无需任何第三方代码。

package cn.edu.zzti.soft.controller;




import java.text.SimpleDateFormat;
import java.util.Date;

import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;

@Controller
public class baseController {
	@InitBinder
	public void initBinder（WebDataBinder binder）{
		binder.registerCustomEditor（Date.classnew CustomDateEditor（new SimpleDateFormat（“yyyy-MM-dd“） true））;
	}
	

}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-05-23 20:26  propertyManagement\
     文件        1504  2017-05-10 08:39  propertyManagement\.classpath
     文件        1577  2017-04-24 17:32  propertyManagement\.project
     目录           0  2017-05-23 20:26  propertyManagement\.settings\
     文件         639  2017-03-25 12:36  propertyManagement\.settings\.jsdtscope
     文件          74  2017-05-09 17:21  propertyManagement\.settings\com.genuitec.eclipse.core.prefs
     文件         221  2017-05-09 17:40  propertyManagement\.settings\org.eclipse.core.resources.prefs
     文件         664  2017-05-09 17:21  propertyManagement\.settings\org.eclipse.jdt.core.prefs
     文件          90  2017-03-25 12:36  propertyManagement\.settings\org.eclipse.m2e.core.prefs
     文件         695  2017-05-08 11:38  propertyManagement\.settings\org.eclipse.wst.common.component
     文件         296  2017-05-09 17:21  propertyManagement\.settings\org.eclipse.wst.common.project.facet.core.xml
     文件          49  2017-03-25 12:36  propertyManagement\.settings\org.eclipse.wst.jsdt.ui.superType.container
     文件           6  2017-03-25 12:36  propertyManagement\.settings\org.eclipse.wst.jsdt.ui.superType.name
     文件          50  2017-03-25 12:36  propertyManagement\.settings\org.eclipse.wst.validation.prefs
     文件         378  2017-04-16 11:06  propertyManagement\.springBeans
     文件        3740  2017-04-26 18:07  propertyManagement\pom.xml
     目录           0  2017-05-23 20:26  propertyManagement\src\
     目录           0  2017-05-23 20:26  propertyManagement\src\main\
     目录           0  2017-05-23 20:26  propertyManagement\src\main\java\
     目录           0  2017-05-23 20:26  propertyManagement\src\main\java\cn\
     目录           0  2017-05-23 20:26  propertyManagement\src\main\java\cn\edu\
     目录           0  2017-05-23 20:26  propertyManagement\src\main\java\cn\edu\zzti\
     目录           0  2017-05-23 20:26  propertyManagement\src\main\java\cn\edu\zzti\soft\
     目录           0  2017-05-23 20:26  propertyManagement\src\main\java\cn\edu\zzti\soft\controller\
     文件         566  2017-04-19 11:03  propertyManagement\src\main\java\cn\edu\zzti\soft\controller\baseController.java
     文件        2643  2017-05-15 23:44  propertyManagement\src\main\java\cn\edu\zzti\soft\controller\CarwController.java
     文件        7054  2017-05-11 19:45  propertyManagement\src\main\java\cn\edu\zzti\soft\controller\ChargeController.java
     文件        2649  2017-05-11 22:20  propertyManagement\src\main\java\cn\edu\zzti\soft\controller\CownController.java
     文件        8860  2017-05-14 16:26  propertyManagement\src\main\java\cn\edu\zzti\soft\controller\FeeController.java
     文件        3390  2017-05-10 22:46  propertyManagement\src\main\java\cn\edu\zzti\soft\controller\ParkingStandController.java
     文件        9774  2017-05-14 12:07  propertyManagement\src\main\java\cn\edu\zzti\soft\controller\PhotoController.java
............此处省略326个文件信息