VMware中Ubuntuqt的 QT ui类有关问题，请qt高手帮忙解决

VMware中Ubuntuqt的 QT ui类问题，请qt高手帮忙解决
widget.cpp: In constructor ‘Widget::Widget(QWidget*)’:
widget.cpp:10:17: error: ‘class Ui::Widget’ has no member named ‘treeWidget’
widget.cpp: In member function ‘void Widget::init()’:
widget.cpp:15:13: error: ‘class Ui::Widget’ has no member named ‘treeWidget’
widget.cpp:16:57: error: ‘class Ui::Widget’ has no member named ‘treeWidget’
widget.cpp:42:57: error: ‘class Ui::Widget’ has no member named ‘treeWidget’
widget.cpp: In member function ‘void Widget::treeItemChanged(QTreeWidgetItem*, int)’:
widget.cpp:74:34: warning: unused variable ‘parent’
widget.cpp: At global scope:
widget.cpp:68:14: warning: unused parameter ‘column’
make: *** [widget.o] 错误 1

#include <QWidget>
#include<QTreeWidgetItem>
#include "ui_widget.h"

Widget::Widget(QWidget *parent) :
  QWidget(parent),
  ui(new Ui::Widget)
{
  ui->setupUi(this);
  init();
  connect(ui->treeWidget,SIGNAL(itemChanged(QTreeWidgetItem *,int)),
  this,SLOT(treeItemChanged(QTreeWidgetItem *,int)));
 }
  void Widget::init()
  {
  ui->treeWidget->clear();
  QTreeWidgetItem *group1=new QTreeWidgetItem(ui->treeWidget);
  group1->setText(0,"group1");
  group1->setFlags(Qt::ItemIsUserCheckable|Qt::ItemIsEnabled|Qt::
  ItemIsSelectable);
  group1->setCheckState(0,Qt::Unchecked);
  QTreeWidgetItem *subItem11=new QTreeWidgetItem(group1);
  subItem11->setFlags(Qt::ItemIsUserCheckable|Qt::ItemIsEnabled|Qt::
  ItemIsSelectable);
  subItem11->setCheckState(0,Qt::Unchecked);

  QTreeWidgetItem *subItem12=new QTreeWidgetItem(group1);
  subItem12->setFlags(Qt::ItemIsUserCheckable|Qt::ItemIsEnabled|Qt::
  ItemIsSelectable);
  subItem12->setText(0,"subItem12");
  subItem12->setCheckState(0,Qt::Unchecked);

  QTreeWidgetItem *subItem13=new QTreeWidgetItem(group1);
  subItem13->setFlags(Qt::ItemIsUserCheckable|Qt::ItemIsEnabled|
  Qt::ItemIsSelectable);

  QTreeWidgetItem *subItem14=new QTreeWidgetItem(group1);
  subItem14->setFlags(Qt::ItemIsUserCheckable|Qt::ItemIsEnabled|
  Qt::ItemIsSelectable);
  subItem14->setText(0,"subItem14");
  subItem14->setCheckState(0,Qt::Unchecked);
  //第二个分组
  QTreeWidgetItem *group2=new QTreeWidgetItem(ui->treeWidget);
  group2->setText(0,"group2");
  group2->setFlags(Qt::ItemIsUserCheckable|Qt::ItemIsEnabled|
  Qt::ItemIsSelectable);
  group2->setCheckState(0,Qt::Unchecked);

  QTreeWidgetItem *subItem21=new QTreeWidgetItem(group2);
  subItem21->setFlags(Qt::ItemIsUserCheckable|Qt::ItemIsEnabled|
  Qt::ItemIsSelectable);
  subItem21->setText(0,"subItem21");
  subItem21->setCheckState(0,Qt::Unchecked);

  QTreeWidgetItem *subItem22=new QTreeWidgetItem(group2);
  subItem22->setFlags(Qt::ItemIsUserCheckable|Qt::ItemIsEnabled|
  Qt::ItemIsSelectable);
  subItem22->setText(0,"subItem22");
  subItem22->setCheckState(0,Qt::Unchecked);

  QTreeWidgetItem *subItem23=new QTreeWidgetItem(group2);
  subItem23->setFlags(Qt::ItemIsUserCheckable|Qt::ItemIsEnabled|