pyqt5 QStandardItemModel 复选框
在pyqt5 中 QStandardItemModel 创建了一个 表格， 想在表格中加入 复选框。 全选多选 那种。 找了好多材料都没有找到 。 有没有同学碰到过这种问题呀。
用代码块功能插入代码，请勿粘贴截图
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
import sql_mok
import sys
class Table(QWidget):
def __init__(self,arg = None):
super(Table, self).__init__(arg)
self.setWindowTitle("QTableView表格视图控件案例")
self.resize(500 , 300)
sql = sql_mok.sql_mokuai()
sql_jb = sql.huoqucanshu()
data = sql.sql_select_pl(sql_jb["xsdd"])
self.model = QStandardItemModel(1,1)
self.model.setHorizontalHeaderLabels(["id","平台单号","下单日期","客户名称","总金额","手机号","收货人","收货地址","快递单号",""])
for i,j in enumerate(data):
# print(j)
# tup1 = list(j)
# tup1.append(QCheckBox())
# j = tup1
# j = tuple(j)
# print(j)
for h,z in enumerate(j):
item = QStandardItem(z)
# print(i, h,z)
self.model.setItem(i, h, item)
# self.model.appendRow([item1, item2, item3, item4, item5])
self.tableView = QTableView()
self.tableView.setModel(self.model)
frm = QFrame()
dlgLayout = QVBoxLayout(frm)
dlgLayout.addWidget(self.tableView)
self.setLayout(dlgLayout)
if __name__ == '__main__':
app = QApplication(sys.argv)
win = Table()
win.show()
sys.exit(app.exec_())
#-*- coding: utf-8 -*-
from PySide2.QtUiTools import *
from PySide2.QtWidgets import *
from PySide2.QtGui import *
from PySide2.QtCore import *
import sys
all_header_checkbox =[]
#设置列不可编辑类
class EmptyDelegate(QItemDelegate):
def __init__(self,parent):
super(EmptyDelegate, self).__init__(parent)
def createEditor(self, QWidget, QStyleOptionViewItem, QModelIndex):
return None
#表格类
class qtableDelete():
def __init__(self):
self.ui = QUiLoader().load('ui/qtable_delete.ui')
self.settable()
self.ui.delete_2.clicked.connect(self.delete_check)
#设置表格内容
def settable(self):
header = CheckBoxHeader()
self.ui.table.setHorizontalHeader(header) # 设置头复选框
header.select_all_clicked.connect(header.change_state) # 行表头复选框单击信号与槽
self.ui.table.setSelectionBehavior(QAbstractItemView.SelectRows) # 设置整行选中
# self.ui.table.setSelectionMode(QAbstractItemView.SingleSelection)#设置选择模式，选择单行
self.ui.table.setRowCount(15) # 设置表格行数
self.ui.table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch) # 设置表头自适应
#设置表格内容和复选框
for i in range(15):
checkbox = QCheckBox()
all_header_checkbox.append(checkbox)
# checkbox.setCheckState(Qt.Unchecked) #设置复选框为不选状态、Partially（半选）、Checked（全选）
self.ui.table.setCellWidget(i, 0, checkbox) # 设置表格可选项
for j in range(5):
self.ui.table.setItem(i, j, QTableWidgetItem(f'{i}row,{j}col'))
self.ui.table.item(i, j).setTextAlignment(Qt.AlignCenter | Qt.AlignVCenter) # 设置表格内水平垂直居#设置指定列的颜色和下划线
#设置第4列样式
for i in range(self.ui.table.rowCount()):
self.ui.table.item(i, 3).setForeground(QBrush(QColor('Blue'))) #设置颜色
font = QFont()
font.setUnderline(True)
self.ui.table.item(i, 3).setFont(font)#设置下划线
#设置第1/2/3、5列不可编辑
list = [1, 2, 0, 4]
for i in list:
self.ui.table.setItemDelegateForColumn(i, EmptyDelegate(self.ui))
#删除选中的行数
def delete_check(self):
row_box_list = []
# 获取选中数据
for i in range(self.ui.table.rowCount()):
if self.ui.table.cellWidget(i, 0).isChecked() is True:
row_box_list.append(i)
row_box_list.reverse() # 将数据进行降序
for j in row_box_list:
self.ui.table.removeRow(j) # 删除选中行数据
all_header_checkbox.pop(j) # 重新构建check box列表
class CheckBoxHeader(QHeaderView):
"""自定义表头类"""
# 自定义 复选框全选信号
select_all_clicked = Signal(bool)
# 这4个变量控制列头复选框的样式，位置以及大小
_x_offset = 0
_y_offset = 0
_width = 20
_height = 20
def __init__(self, orientation=Qt.Horizontal, parent=None):
super(CheckBoxHeader, self).__init__(orientation, parent)
self.isOn = False
def paintSection(self, painter, rect, logicalIndex):
painter.save()
super(CheckBoxHeader, self).paintSection(painter, rect, logicalIndex)
painter.restore()
self._y_offset = int((rect.height() - self._width) / 2.)
if logicalIndex == 0:
option = QStyleOptionButton()
option.rect = QRect(rect.x() + self._x_offset, rect.y() + self._y_offset, self._width, self._height)
option.state = QStyle.State_Enabled | QStyle.State_Active
if self.isOn:
option.state |= QStyle.State_On
else:
option.state |= QStyle.State_Off
self.style().drawControl(QStyle.CE_CheckBox, option, painter)
def mousePressEvent(self, event):
index = self.logicalIndexAt(event.pos())
if 0 == index:
x = self.sectionPosition(index)
if x + self._x_offset < event.pos().x() < x + self._x_offset + self._width and self._y_offset < event.pos().y() < self._y_offset + self._height:
if self.isOn:
self.isOn = False
else:
self.isOn = True
# 当用户点击了行表头复选框，发射 自定义信号 select_all_clicked()
self.select_all_clicked.emit(self.isOn)
self.updateSection(0)
super(CheckBoxHeader, self).mousePressEvent(event)
# 自定义信号 select_all_clicked 的槽方法
def change_state(self, isOn):
# 如果行表头复选框为勾选状态
if isOn:
# 将所有的复选框都设为勾选状态
for i in all_header_checkbox:
i.setCheckState(Qt.Checked)
else:
for i in all_header_checkbox:
i.setCheckState(Qt.Unchecked)
if __name__ == '__main__':
app = QApplication(sys.argv)
stats = qtableDelete()
stats.ui.show()
app.exec_()
【代码仅供参考】
效果图：
要自定义modle的，标准的不支持，可以参考下这个，直接运行就能看到效果
import sys
from PyQt5.QtWidgets import (QApplication, QHeaderView, QStyle, QStyleOptionButton, QTableView)
from PyQt5.QtCore import (pyqtSignal, Qt, QAbstractTableModel, QModelIndex, QRect, QVariant)
# https://wiki.qt.io/Technical_FAQ#How_can_I_insert_a_checkbox_into_the_header_of_my_view.3F
# https://stackoverflow.com/questions/30932528/adding-checkbox-as-vertical-header-in-qtableview
class CheckBoxHeader(QHeaderView):
clicked = pyqtSignal(bool)
_x_offset = 3
_y_offset = 0
_width = 20
_height = 20
def __init__(self, orientation=Qt.Horizontal, parent=None):
super(CheckBoxHeader, self).__init__(orientation, parent)
self.isOn = False
def paintSection(self, painter, rect, logicalIndex):
painter.save()
super(CheckBoxHeader, self).paintSection(painter, rect, logicalIndex)
painter.restore()
self._y_offset = int((rect.height()-self._width)/2.)
if logicalIndex == 0:
option = QStyleOptionButton()
option.rect = QRect(rect.x() + self._x_offset, rect.y() + self._y_offset, self._width, self._height)
option.state = QStyle.State_Enabled | QStyle.State_Active
if self.isOn:
option.state |= QStyle.State_On
else:
option.state |= QStyle.State_Off
self.style().drawControl(QStyle.CE_CheckBox, option, painter)
def mousePressEvent(self, event):
index = self.logicalIndexAt(event.pos())
if 0 == index:
x = self.sectionPosition(index)
if x + self._x_offset < event.pos().x() < x + self._x_offset + self._width and self._y_offset < event.pos().y() < self._y_offset + self._height:
if self.isOn:
self.isOn = False
else:
self.isOn = True
self.clicked.emit(self.isOn)
self.update()
super(CheckBoxHeader, self).mousePressEvent(event)
class MyModel(QAbstractTableModel):
def __init__(self, parent=None):
super(MyModel, self).__init__(parent)
# Keep track of which object are checked
self.checkList = ['Checked', 'Unchecked']
def rowCount(self, QModelIndex):
return len(self.checkList)
def columnCount(self, QModelIndex):
return 2
def data(self, index, role):
row = index.row()
col = index.column()
if role == Qt.DisplayRole:
return 'Row %d, Column %d' % (row + 1, col + 1)
elif role == Qt.CheckStateRole:
if col == 0:
return Qt.Checked if self.checkList[row] == 'Checked' else Qt.Unchecked
elif role == Qt.ToolTipRole:
if col == 0:
return self.checkList[row]
return QVariant()
def setData(self, index, value, role):
row = index.row()
col = index.column()
if role == Qt.CheckStateRole and col == 0:
self.checkList[row] = 'Checked' if value == Qt.Checked else 'Unchecked'
return True
def flags(self, index):
if index.column() == 0:
return Qt.ItemIsEnabled | Qt.ItemIsUserCheckable
return Qt.ItemIsEnabled
def headerData(self, section, orientation, role):
if role == Qt.DisplayRole:
if orientation == Qt.Horizontal:
if section == 0:
return 'Title 1'
elif section == 1:
return 'Title 2'
def headerClick(self, isOn):
self.beginResetModel()
if isOn:
self.checkList = ['Checked', 'Checked']
else:
self.checkList = ['Unchecked', 'Unchecked']
self.endResetModel()
if __name__ == '__main__':
a = QApplication(sys.argv)
tableView = QTableView()
myModel = MyModel()
tableView.setModel(myModel)
header = CheckBoxHeader()
tableView.setHorizontalHeader(header)
#tableView.horizontalHeader().setStretchLastSection(True)
tableView.horizontalHeader().setStretchLastSection(True)
tableView.horizontalHeader().setSectionResizeMode(0, QHeaderView.ResizeToContents)
header.clicked.connect(myModel.headerClick)
tableView.resize(400, 200)
tableView.show()
a.exec_()
#-*- coding: utf-8 -*-
from PySide2.QtUiTools import *
from PySide2.QtWidgets import *
from PySide2.QtGui import *
from PySide2.QtCore import *
import sys
all_header_checkbox =[]
#设置列不可编辑类
class EmptyDelegate(QItemDelegate):
def __init__(self,parent):
super(EmptyDelegate, self).__init__(parent)
def createEditor(self, QWidget, QStyleOptionViewItem, QModelIndex):
return None
#表格类
class qtableDelete():
def __init__(self):
self.ui = QUiLoader().load('ui/qtable_delete.ui')
self.settable()
self.ui.delete_2.clicked.connect(self.delete_check)
#设置表格内容
def settable(self):
header = CheckBoxHeader()
self.ui.table.setHorizontalHeader(header) # 设置头复选框
header.select_all_clicked.connect(header.change_state) # 行表头复选框单击信号与槽
self.ui.table.setSelectionBehavior(QAbstractItemView.SelectRows) # 设置整行选中
# self.ui.table.setSelectionMode(QAbstractItemView.SingleSelection)#设置选择模式，选择单行
self.ui.table.setRowCount(15) # 设置表格行数
self.ui.table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch) # 设置表头自适应
#设置表格内容和复选框
for i in range(15):
checkbox = QCheckBox()
all_header_checkbox.append(checkbox)
# checkbox.setCheckState(Qt.Unchecked) #设置复选框为不选状态、Partially（半选）、Checked（全选）
self.ui.table.setCellWidget(i, 0, checkbox) # 设置表格可选项
for j in range(5):
self.ui.table.setItem(i, j, QTableWidgetItem(f'{i}row,{j}col'))
self.ui.table.item(i, j).setTextAlignment(Qt.AlignCenter | Qt.AlignVCenter) # 设置表格内水平垂直居#设置指定列的颜色和下划线
#设置第4列样式
for i in range(self.ui.table.rowCount()):
self.ui.table.item(i, 3).setForeground(QBrush(QColor('Blue'))) #设置颜色
font = QFont()
font.setUnderline(True)
self.ui.table.item(i, 3).setFont(font)#设置下划线
#设置第1/2/3、5列不可编辑
list = [1, 2, 0, 4]
for i in list:
self.ui.table.setItemDelegateForColumn(i, EmptyDelegate(self.ui))
#删除选中的行数
def delete_check(self):
row_box_list = []
# 获取选中数据
for i in range(self.ui.table.rowCount()):
if self.ui.table.cellWidget(i, 0).isChecked() is True:
row_box_list.append(i)
row_box_list.reverse() # 将数据进行降序
for j in row_box_list:
self.ui.table.removeRow(j) # 删除选中行数据
all_header_checkbox.pop(j) # 重新构建check box列表
class CheckBoxHeader(QHeaderView):
"""自定义表头类"""
# 自定义 复选框全选信号
select_all_clicked = Signal(bool)
# 这4个变量控制列头复选框的样式，位置以及大小
_x_offset = 0
_y_offset = 0
_width = 20
_height = 20
def __init__(self, orientation=Qt.Horizontal, parent=None):
super(CheckBoxHeader, self).__init__(orientation, parent)
self.isOn = False
def paintSection(self, painter, rect, logicalIndex):
painter.save()
super(CheckBoxHeader, self).paintSection(painter, rect, logicalIndex)
painter.restore()
self._y_offset = int((rect.height() - self._width) / 2.)
if logicalIndex == 0:
option = QStyleOptionButton()
option.rect = QRect(rect.x() + self._x_offset, rect.y() + self._y_offset, self._width, self._height)
option.state = QStyle.State_Enabled | QStyle.State_Active
if self.isOn:
option.state |= QStyle.State_On
else:
option.state |= QStyle.State_Off
self.style().drawControl(QStyle.CE_CheckBox, option, painter)
def mousePressEvent(self, event):
index = self.logicalIndexAt(event.pos())
if 0 == index:
x = self.sectionPosition(index)
if x + self._x_offset < event.pos().x() < x + self._x_offset + self._width and self._y_offset < event.pos().y() < self._y_offset + self._height:
if self.isOn:
self.isOn = False
else:
self.isOn = True
# 当用户点击了行表头复选框，发射 自定义信号 select_all_clicked()
self.select_all_clicked.emit(self.isOn)
self.updateSection(0)
super(CheckBoxHeader, self).mousePressEvent(event)
# 自定义信号 select_all_clicked 的槽方法
def change_state(self, isOn):
# 如果行表头复选框为勾选状态
if isOn:
# 将所有的复选框都设为勾选状态
for i in all_header_checkbox:
i.setCheckState(Qt.Checked)
else:
for i in all_header_checkbox:
i.setCheckState(Qt.Unchecked)
if __name__ == '__main__':
app = QApplication(sys.argv)
stats = qtableDelete()
stats.ui.show()
app.exec_()
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- 可以看下qt参考手册中的 qt QStandardItemModel