//
//?QGIS?Includes
//
#include?
#include?
#include?
#include?yerregistry.h>
#include?yer.h>
#include?
//
//?Qt?Includes
//
#include?
#include?
#include?

int?main（int?argc?char?**?argv）?
{
??//?Start?the?Application
??QgsApplication?app（argc?argv?true）;

??QString?myPluginsDir????????=?“/home/timlinux/apps/lib/qgis“;
??QString?mylayerPath?????????=?“/home/timlinux/gisdata/brazil/BR_Cidades/“;
??QString?mylayerbaseName?????=?“Brasil_Cap“;
??QString?myProviderName??????=?“ogr“;
??//?Instantiate?Provider?Registry
??QgsProviderRegistry::instance（myPluginsDir）;
??//?create?a?maplayer?instance
??QgsVectorlayer?*?myplayer?=?
??????new?QgsVectorlayer（mylayerPath?mylayerbaseName?myProviderName）;
??QgsSingleSymbolRenderer?*mypRenderer?=?new?QgsSingleSymbolRenderer（myplayer->geometryType（））;
??QList?yer>?mylayerSet;
??myplayer->setRenderer（mypRenderer）;
??if?（myplayer->isValid（））
??{
????qDebug（“layer?is?valid“）;
??}
??else
??{
????qDebug（“layer?is?NOT?valid“）;
??}

??//?Add?the?Vector?layer?to?the?layer?Registry
??QgsMaplayerRegistry::instance（）->addMaplayer（myplayer?TRUE）;
??//?Add?the?layer?to?the?layer?Set
??mylayerSet.append（QgsMapCanvaslayer（myplayer?TRUE））;

??//?Create?the?Map?Canvas
??QgsMapCanvas?*?mypMapCanvas?=?new?QgsMapCanvas（0?0）;
??mypMapCanvas->setExtent（myplayer->extent（））;
??mypMapCanvas->enableAntiAliasing（true）;
??mypMapCanvas->setCanvasColor（QColor（255?255?255））;
??mypMapCanvas->freeze（false）;
??//?Set?the?Map?Canvas?layer?Set
??mypMapCanvas->setlayerSet（mylayerSet）;
??mypMapCanvas->setVisible（true）;
??mypMapCanvas->refresh（）;

??//?Start?the?Application?Event?Loop
??return?app.exec（）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????622848??2016-01-04?17:25??QGIS-Code-Examples-master.zip

?????文件????????632??2011-11-10?14:52??data\test.dbf

?????文件????????139??2011-11-10?14:52??data\test.prj

?????文件????????296??2011-11-10?14:52??data\test.shp

?????文件????????156??2011-11-10?14:52??data\test.shx

?????文件??????23268??2011-11-10?14:52??images\tutorial2.jpg

?????文件???????3040??2011-11-10?14:52??QGIS-Code-Examples-master\1_hello_world_qgis_style\CMakeLists.txt

?????文件???????3900??2011-11-10?14:52??QGIS-Code-Examples-master\1_hello_world_qgis_style\cmake_find_rules\FindGDAL.cmake

?????文件????????878??2011-11-10?14:52??QGIS-Code-Examples-master\1_hello_world_qgis_style\cmake_find_rules\FindGEOS.cmake

?????文件???????3168??2011-11-10?14:52??QGIS-Code-Examples-master\1_hello_world_qgis_style\cmake_find_rules\FindQGIS.cmake

?????文件??????18701??2011-11-10?14:52??QGIS-Code-Examples-master\1_hello_world_qgis_style\COPYING

?????文件??????11534??2011-11-10?14:52??QGIS-Code-Examples-master\1_hello_world_qgis_style\images\tutorial1.jpg

?????文件???????1791??2011-11-10?14:52??QGIS-Code-Examples-master\1_hello_world_qgis_style\main.cpp

?????文件????????135??2011-11-10?14:52??QGIS-Code-Examples-master\1_hello_world_qgis_style\README

?????文件???????7626??2011-11-10?14:52??QGIS-Code-Examples-master\1_hello_world_qgis_style\tutorial1.t2t

?????文件???????3078??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\CMakeLists.txt

?????文件???????3900??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\cmake_find_rules\FindGDAL.cmake

?????文件????????878??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\cmake_find_rules\FindGEOS.cmake

?????文件???????3168??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\cmake_find_rules\FindQGIS.cmake

?????文件??????18701??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\COPYING

?????文件????????632??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\data\test.dbf

?????文件????????139??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\data\test.prj

?????文件????????296??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\data\test.shp

?????文件????????156??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\data\test.shx

?????文件??????23268??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\images\tutorial2.jpg

?????文件????????872??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\mActionAddlayer.png

?????文件????????934??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\mActionPan.png

?????文件???????1257??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\mActionZoomIn.png

?????文件???????1195??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\mActionZoomOut.png

?????文件???????1738??2011-11-10?14:52??QGIS-Code-Examples-master\2_basic_main_window\main.cpp

............此處省略190個文件信息