我要评论项目中第一次用到表格的绘制的功能，实现表格的行列的绘制以及表格中字符串的居中显示，先看下显示的效果！
#include<QStandardItemModel>
#include<QTableView>
DistanceAnalysisDialog.cpp
void DistanceAnalysisDialog::drawTable(void)
{
//存储的累计次数
int QX_numZeroToPointTwo=0;
int QX_numPointTwoToPointFive=0;
int QX_numPointFiveToPointEight=0;
int QX_numPointEightToOne=0;
int QX_greaterThanOne=0;
int LF_numZeroToPointTwo=0;
int LF_numPointTwoToPointFive=0;
int LF_numPointFiveToPointEight=0;
int LF_numPointEightToOne=0;
int LF_greaterThanOne=0;
int QX_salution=0;
int LF_salution=0;
//存储的是百分之占比
double QX_numZeroToPointTwoNum=0.0;
double QX_numPointTwoToPointFiveNum=0.0;
double QX_numPointFiveToPointEightNum=0.0;
double QX_numPointEightToOneNum=0.0;
double QX_greaterThanOneNum=0.0;
double LF_numZeroToPointTwoNum=0.0;
double LF_numPointTwoToPointFiveNum=0.0;
double LF_numPointFiveToPointEightNum=0.0;
double LF_numPointEightToOneNum=0.0;
double LF_greaterThanOneNum=0.0;
double QX_numSalution=0.0;
double LF_numSalution=0.0;
//表格头的创建及显示内容输入
QStandardItemModel *model = new QStandardItemModel(2,7);
model->setHeaderData(0,Qt::Horizontal,QStringLiteral("基站名称"));
model->setHeaderData(1,Qt::Horizontal,QStringLiteral("0~0.2"));
model->setHeaderData(2,Qt::Horizontal,QStringLiteral("0.2~0.5"));
model->setHeaderData(3,Qt::Horizontal,QStringLiteral("0.5~0.8"));
model->setHeaderData(4,Qt::Horizontal,QStringLiteral("0.8~1"));
model->setHeaderData(5,Qt::Horizontal,QStringLiteral(">1"));
model->setHeaderData(6,Qt::Horizontal,QStringLiteral("固定解占比"));
for (int i=0;i<ENU->horizontalErrorListOne.length();i++)
{
double num= ENU->horizontalErrorListOne.at(i);
if(0<num&&num<=0.2)
{
QX_numZeroToPointTwo++;
}
else if(0.2<num&&num<=0.5)
{
QX_numPointTwoToPointFive++;
}
else if(0.5<num&&num<=0.8)
{
QX_numPointFiveToPointEight++;
}
else if(0.8<num&&num<=1)
{
QX_numPointEightToOne++;
}
else if(num>1)
{
QX_greaterThanOne++;
}
}
for (int i=0;i<ENU->horizontalErrorListTwo.length();i++)
{
double num= ENU->horizontalErrorListTwo.at(i);
if(0<num&&num<=0.2)
{
LF_numZeroToPointTwo++;
}
else if(0.2<num&&num<=0.5)
{
LF_numPointTwoToPointFive++;
}
else if(0.5<num&&num<=0.8)
{
LF_numPointFiveToPointEight++;
}
else if(0.8<num&&num<1)
{
LF_numPointEightToOne++;
}
else if(1<num)
{
LF_greaterThanOne++;
}
}
for(int i=0;i<fileOperation->sceneFileList1->length();i++)
{
QString salution= fileOperation->sceneFileList1->at(i).solutionState;
if(salution=="4")
{
QX_salution++;
}
}
for(int i=0;i<fileOperation->sceneFileList->length();i++)
{
QString salution= fileOperation->sceneFileList->at(i).solutionState;
if(salution=="4")
{
LF_salution++;
}
}
QX_numZeroToPointTwoNum= (static_cast<double>(QX_numZeroToPointTwo)/(ENU->horizontalErrorListOne.length()))*100;
QX_numPointTwoToPointFiveNum=(static_cast<double>(QX_numPointTwoToPointFive)/ENU->horizontalErrorListOne.length())*100;
QX_numPointFiveToPointEightNum= (static_cast<double>(QX_numPointFiveToPointEight)/ENU->horizontalErrorListOne.length())*100;
QX_numPointEightToOneNum=(static_cast<double>(QX_numPointEightToOne)/ENU->horizontalErrorListOne.length())*100;
QX_greaterThanOneNum= (static_cast<double>(QX_greaterThanOne)/ENU->horizontalErrorListOne.length())*100;
LF_numZeroToPointTwoNum=(static_cast<double>(LF_numZeroToPointTwo)/ENU->horizontalErrorListTwo.length())*100;
LF_numPointTwoToPointFiveNum=(static_cast<double>(LF_numPointTwoToPointFive)/ENU->horizontalErrorListTwo.length())*100;
LF_numPointFiveToPointEightNum=(static_cast<double>(LF_numPointFiveToPointEight)/ENU->horizontalErrorListTwo.length())*100;
LF_numPointEightToOneNum=(static_cast<double>(LF_numPointEightToOne)/ENU->horizontalErrorListTwo.length())*100;
LF_greaterThanOneNum=(static_cast<double>(LF_greaterThanOne)/ENU->horizontalErrorListTwo.length())*100;
//解状态占比
QX_numSalution=(static_cast<double>(QX_salution)/(fileOperation->sceneFileList1->length()))*100;
LF_numSalution=(static_cast<double>(LF_salution)/(fileOperation->sceneFileList->length()))*100;
//表格中输入数据
model->setData(model->index(0,0), QStringLiteral("千寻位置"));
model->setData(model->index(0,1), QString::number(QX_numZeroToPointTwoNum,'f',2));
model->setData(model->index(0,2), QString::number(QX_numPointTwoToPointFiveNum,'f',2));
model->setData(model->index(0,3), QString::number(QX_numPointFiveToPointEightNum,'f',2));
model->setData(model->index(0,4), QString::number(QX_numPointEightToOneNum,'f',2));
model->setData(model->index(0,5), QString::number(QX_greaterThanOneNum,'f',2));
model->setData(model->index(0,6), QString::number(QX_numSalution,'f',2));
model->setData(model->index(1,0), QStringLiteral("六分科技"));
model->setData(model->index(1,1), QString::number(LF_numZeroToPointTwoNum,'f',2));
model->setData(model->index(1,2), QString::number(LF_numPointTwoToPointFiveNum,'f',2));
model->setData(model->index(1,3), QString::number(LF_numPointFiveToPointEightNum,'f',2));
model->setData(model->index(1,4), QString::number(LF_numPointEightToOneNum,'f',2));
model->setData(model->index(1,5), QString::number(LF_greaterThanOneNum,'f',2));
model->setData(model->index(1,6), QString::number(LF_numSalution,'f',2));
//实现表格内容的居中显示
for(int i=0;i<2;i++)
{
for (int j=0;j<7;j++)
{
model->item(i,j)->setTextAlignment(Qt::AlignCenter);
}
}
ui->tableView->resizeColumnsToContents(); //根据内容调整大小
ui->tableView->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);//根据容器调整大小
ui->tableView->setEditTriggers(QAbstractItemView::NoEditTriggers);//只读
ui->tableView->setSelectionBehavior(QAbstractItemView::SelectRows); //设置选中模式为选中行
ui->tableView->setSelectionMode( QAbstractItemView::SingleSelection); //设置选中单行
ui->tableView->setModel(model);
}
本文地址：https://blog.csdn.net/qq_33263769/article/details/108572769
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