解决PyQt5 QTableWidget删除数据不完全的问题

朴灿烈づ我的快乐病毒、 2023-07-12 09:00 14阅读 0赞

> PyQt5 QTableWidget控件删除任意指定行演示

from PyQt5.QtWidgets import *
    from PyQt5.QtCore import *
    
    class Table_win(QWidget):
        def __init__(self,parent=None):
            super(Table_win, self).__init__(parent)
            self.ini_ui()
    
        def ini_ui(self):
            self.setWindowTitle("删除课程Demo")
            self.setGeometry(300, 300, 500, 300)
            self.main_layout = QVBoxLayout()
            self.main_layout.setContentsMargins(0, 0, 0, 0)
            self.setLayout(self.main_layout)
            self.TableWidget = QTableWidget(5, 3)  # 根据out_list自动调整
            self.TableWidget.resize(self.width(), self.height())
            self.TableWidget.setEditTriggers(QAbstractItemView.NoEditTriggers)
            self.TableWidget.verticalHeader().setVisible(False)
            self.TableWidget.horizontalHeader().setVisible(True)
            self.TableWidget.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
            self.TableWidget.horizontalHeader().setStretchLastSection(True)
            self.TableWidget.verticalHeader().setSectionResizeMode(QHeaderView.Stretch)
            self.TableWidget.setShowGrid(True)
            QTableWidget.resizeColumnsToContents(self.TableWidget)
            QTableWidget.resizeRowsToContents(self.TableWidget)
            self.main_layout.addWidget(self.TableWidget)
            self.show()
    
        def show_table(self,title_list,detail_list):
            self.TableWidget.setHorizontalHeaderLabels(title_list)
            for r in range(len(detail_list)):
                course_list = detail_list[r]
                course_name = QTableWidgetItem(course_list[0])
                course_name.setTextAlignment(Qt.AlignVCenter | Qt.AlignHCenter)
                teacher_name = QTableWidgetItem(course_list[1])
                teacher_name.setTextAlignment(Qt.AlignVCenter | Qt.AlignHCenter)
                self.TableWidget.setItem(r,0,course_name)
                self.TableWidget.setItem(r,1,teacher_name)
                del_btn = self.del_btn_creater()
                self.TableWidget.setCellWidget(r,2,del_btn)
                del_btn.clicked.connect(self.del_btn_slot)
    
        def del_btn_creater(self):
            del_btn = QPushButton()
            del_btn.setText("×")
            del_btn.setStyleSheet("""
                                  QPushButton{border:none;
                                  background:transparent;
                                  color:#ff7575;
                                  font-size:30px;
                                  font-weight:700;
                                  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;}
                                  QPushButton:hover{color:red;}""")
            return del_btn
    
        def del_btn_slot(self):
            del_row = self.TableWidget.currentRow()
            course_name = self.TableWidget.item(del_row,0).text()
            reply = QMessageBox.critical(self,"警告","你确定删除课程\n{}吗？".format(course_name),QMessageBox.Yes,QMessageBox.No)
            if reply == QMessageBox.Yes:
                self.TableWidget.removeRow(del_row)
    
    
    
    if __name__== "__main__":
        import sys
        title_list = ["课程","教师","删除"]
        detail_list = [["数学","王二"],["语文","张三"],["英文","Jack"],["物理","牛顿"],["化学","阿伏伽德罗"],["生物","达尔文"]]
        app = QApplication(sys.argv)
        test_win = Table_win()
        test_win.show()
        test_win.show_table(title_list,detail_list)
        sys.exit(app.exec_())

> **演示效果如动图所示：**

![20200308001912148.gif][]

>  *   注：之前做一个项目的时候遇到了QTableWidget删除数据不完全的问题，网上找的解决办法是倒序删除，但是我的项目的需要的是删除指定的行，是没有顺序的，研究了一下，发现只要删除当前的行就能解决问题。**TableWidget.removeRow(TableWidget.currentRow())**
> 
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[20200308001912148.gif]: https://img-blog.csdnimg.cn/20200308001912148.gif