Pyqt5--解析json并将内容显示在tableWidget
在开始写本博客的案例之前,梳理下功能点和知识点,方便查找和理解。
功能介绍:
1.生成json数据;
2.解析json数据并将内容显示在tableWidget中;
3.获取lineEdit中输入的内容,并将其显示在tableWidget中。
知识点梳理:
1.json
json是一种易于阅读和编写的数据交换格式。
json.dumps()函数是将字典转化为字符串------jsonStr = json.dumps(strData)
json.loads()函数是将字符串转化为字典--------res = json.loads(jsonStr)
2.Qt Designer界面设计--比较简单
控件,信号和槽的使用可以参考https://blog.csdn.net/maidu_xbd/article/details/85696510
3.tableWidget
【Pyqt5--解析json并将内容显示在tableWidget】self.ui.tableWidget.setColumnCount(5) # 设置表格的列数
self.ui.tableWidget.setRowCount(100) #设置表格的行数
mTitle = QTableWidgetItem(item['name']) #显示数据
mTitle.setTextAlignment(Qt.AlignCenter) # 设置文字显示居中
mTitle.setFlags(Qt.ItemIsEnabled) # 设置表格不可编辑模式
4.Label
self.ui.userName.setText("当前用户为:" + userName) # 设置Label显示内容
案例如下:
1.生成json数据如下:
import jsonstrData = https://www.it610.com/article/{'status':200,
'message':'获取信息成功!',
'data':{
'userInfo':{
'name':"麦嘟小布丁",
'sex':'女'
},
'meetInfo':[
{'id': 110,
'name': '人工智能技术会议',
'meet_date': '2019-01-08',
'meet_time': '16:30:00',
'meet_address': '会议室A'},
{'id': 221,
'name': '学习交流会',
'meet_date': '2018-12-19',
'meet_time': '14:30:00',
'meet_address': '会议室B'},
{'id': 226,
'name': '神经网络知识分享会',
'meet_date': '2018-12-19',
'meet_time': '09:00:00',
'meet_address': '会议室C'}
]
}
}#定义接口,用来获取json数据
def getMydata():
return json.dumps(strData)if __name__ == "__main__":
# json.dumps()函数是将字典转化为字符串
jsonStr = json.dumps(strData)
#print(jsonStr)
# json.loads()函数是将字符串转化为字典
res = json.loads(jsonStr)
print(type(res),res)
2.Qt designer完成界面设计meetList.ui
为“添加”按钮添加信号和自定义槽函数。
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编译meetList.ui为Ui_meetList.py
# -*- coding: utf-8 -*-# Form implementation generated from reading ui file 'c:\Users\lenovo\Desktop\解析Json\meetList.ui'
#
# Created by: PyQt5 UI code generator 5.11.3
#
# WARNING! All changes made in this file will be lost!from PyQt5 import QtCore, QtGui, QtWidgetsclass Ui_MainWindow(object):def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(559, 473)
MainWindow.setStyleSheet("#MainWindow{background-color: rgb(170, 170, 255);
}\n"
"")
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.tableWidget = QtWidgets.QTableWidget(self.centralwidget)
self.tableWidget.setGeometry(QtCore.QRect(30, 60, 491, 211))
self.tableWidget.setObjectName("tableWidget")
self.tableWidget.setColumnCount(5)
self.tableWidget.setRowCount(0)
item = QtWidgets.QTableWidgetItem()
item.setTextAlignment(QtCore.Qt.AlignCenter)
font = QtGui.QFont()
font.setBold(True)
font.setWeight(75)
item.setFont(font)
self.tableWidget.setHorizontalHeaderItem(0, item)
item = QtWidgets.QTableWidgetItem()
item.setTextAlignment(QtCore.Qt.AlignCenter)
font = QtGui.QFont()
font.setBold(True)
font.setWeight(75)
item.setFont(font)
self.tableWidget.setHorizontalHeaderItem(1, item)
item = QtWidgets.QTableWidgetItem()
item.setTextAlignment(QtCore.Qt.AlignCenter)
font = QtGui.QFont()
font.setBold(True)
font.setWeight(75)
item.setFont(font)
self.tableWidget.setHorizontalHeaderItem(2, item)
item = QtWidgets.QTableWidgetItem()
item.setTextAlignment(QtCore.Qt.AlignCenter)
font = QtGui.QFont()
font.setBold(True)
font.setWeight(75)
item.setFont(font)
self.tableWidget.setHorizontalHeaderItem(3, item)
item = QtWidgets.QTableWidgetItem()
item.setTextAlignment(QtCore.Qt.AlignCenter)
font = QtGui.QFont()
font.setBold(True)
font.setWeight(75)
item.setFont(font)
self.tableWidget.setHorizontalHeaderItem(4, item)
self.userName = QtWidgets.QLabel(self.centralwidget)
self.userName.setGeometry(QtCore.QRect(400, 30, 141, 20))
self.userName.setObjectName("userName")
self.label_2 = QtWidgets.QLabel(self.centralwidget)
self.label_2.setGeometry(QtCore.QRect(30, 20, 431, 20))
font = QtGui.QFont()
font.setFamily("微软雅黑")
font.setPointSize(14)
font.setBold(True)
font.setWeight(75)
self.label_2.setFont(font)
self.label_2.setObjectName("label_2")
self.label_3 = QtWidgets.QLabel(self.centralwidget)
self.label_3.setGeometry(QtCore.QRect(50, 300, 181, 16))
font = QtGui.QFont()
font.setPointSize(12)
font.setBold(True)
font.setWeight(75)
self.label_3.setFont(font)
self.label_3.setObjectName("label_3")
self.label_4 = QtWidgets.QLabel(self.centralwidget)
self.label_4.setGeometry(QtCore.QRect(60, 340, 91, 16))
font = QtGui.QFont()
font.setPointSize(11)
self.label_4.setFont(font)
self.label_4.setObjectName("label_4")
self.label_5 = QtWidgets.QLabel(self.centralwidget)
self.label_5.setGeometry(QtCore.QRect(280, 340, 101, 16))
font = QtGui.QFont()
font.setPointSize(11)
self.label_5.setFont(font)
self.label_5.setObjectName("label_5")
self.label_6 = QtWidgets.QLabel(self.centralwidget)
self.label_6.setGeometry(QtCore.QRect(45, 379, 91, 16))
font = QtGui.QFont()
font.setPointSize(11)
self.label_6.setFont(font)
self.label_6.setObjectName("label_6")
self.label_7 = QtWidgets.QLabel(self.centralwidget)
self.label_7.setGeometry(QtCore.QRect(280, 380, 71, 16))
font = QtGui.QFont()
font.setPointSize(11)
self.label_7.setFont(font)
self.label_7.setObjectName("label_7")
self.addMeetBtn = QtWidgets.QPushButton(self.centralwidget)
self.addMeetBtn.setGeometry(QtCore.QRect(450, 300, 75, 23))
self.addMeetBtn.setObjectName("addMeetBtn")
self.meetId = QtWidgets.QLineEdit(self.centralwidget)
self.meetId.setGeometry(QtCore.QRect(120, 340, 151, 20))
self.meetId.setObjectName("meetId")
self.meetTitle = QtWidgets.QLineEdit(self.centralwidget)
self.meetTitle.setGeometry(QtCore.QRect(360, 340, 171, 20))
self.meetTitle.setObjectName("meetTitle")
self.meetTime = QtWidgets.QLineEdit(self.centralwidget)
self.meetTime.setGeometry(QtCore.QRect(120, 380, 151, 20))
self.meetTime.setObjectName("meetTime")
self.meetAddress = QtWidgets.QLineEdit(self.centralwidget)
self.meetAddress.setGeometry(QtCore.QRect(360, 380, 171, 20))
self.meetAddress.setObjectName("meetAddress")
MainWindow.setCentralWidget(self.centralwidget)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)self.retranslateUi(MainWindow)
self.addMeetBtn.clicked.connect(MainWindow.addMeetBtn_clicked)
QtCore.QMetaObject.connectSlotsByName(MainWindow)def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
item = self.tableWidget.horizontalHeaderItem(0)
item.setText(_translate("MainWindow", "会议id"))
item = self.tableWidget.horizontalHeaderItem(1)
item.setText(_translate("MainWindow", "会议名称"))
item = self.tableWidget.horizontalHeaderItem(2)
item.setText(_translate("MainWindow", "会议时间"))
item = self.tableWidget.horizontalHeaderItem(3)
item.setText(_translate("MainWindow", "会议地点"))
item = self.tableWidget.horizontalHeaderItem(4)
item.setText(_translate("MainWindow", "备注"))
self.userName.setText(_translate("MainWindow", "当前用户为:张三"))
self.label_2.setText(_translate("MainWindow", "会议列表信息"))
self.label_3.setText(_translate("MainWindow", "新增会议信息"))
self.label_4.setText(_translate("MainWindow", "会议id:"))
self.label_5.setText(_translate("MainWindow", "会议名称:"))
self.label_6.setText(_translate("MainWindow", "会议时间:"))
self.label_7.setText(_translate("MainWindow", "会议地点:"))
self.addMeetBtn.setText(_translate("MainWindow", "添加"))
3.解析json,将内容显示在tableWidget中 ------ def loadMeetInfo(self)
定义addMeetBtn_clicked()函数,获取LineEdit内容并将内容显示在tableWidget中,每点击添加按钮一次,往当前行的下一行插入数据。
from meetInfo import getMydata
from Ui_meetList import Ui_MainWindow
from PyQt5.QtWidgets import *
import sys
import json
from PyQt5.QtCore import *class MainWin(QMainWindow):def __init__(self):
super(MainWin, self).__init__()
print("mainwin is called!")
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.ui.tableWidget.setColumnCount(5)# 设置表格的列数
# self.ui.tableWidget.setRowCount(100)#设置表格的行数
self.loadMeetInfo()
print(f"current rows:{self.ui.tableWidget.currentRow()}")def loadMeetInfo(self):
data = https://www.it610.com/article/getMydata()
# 获取信息列表
meetData = json.loads(data)['data']
# 获取用户信息
userInfo = meetData['userInfo']
userName = userInfo['name']
self.ui.userName.setText("当前用户为:" + userName)# 获取会议详情
meetInfo = meetData['meetInfo']
# index=0
for i, item in enumerate(meetInfo):
# index+=1
# str(item['id'])将整型转换为字符串
self.ui.tableWidget.setRowCount(self.ui.tableWidget.rowCount() + 1)
print(self.ui.tableWidget.rowCount())
mId = QTableWidgetItem(str(item['id']))
mId.setTextAlignment(Qt.AlignCenter)# 设置文字显示居中
mId.setFlags(Qt.ItemIsEnabled)# 设置表格不可编辑模式
self.ui.tableWidget.setItem(
self.ui.tableWidget.rowCount() - 1, 0, mId)mTitle = QTableWidgetItem(item['name'])
mTitle.setTextAlignment(Qt.AlignCenter)# 设置文字显示居中
mTitle.setFlags(Qt.ItemIsEnabled)# 设置表格不可编辑模式
self.ui.tableWidget.setItem(
self.ui.tableWidget.rowCount() - 1, 1, mTitle)mTime = QTableWidgetItem(item['meet_time'])
mTime.setTextAlignment(Qt.AlignCenter)# 设置文字显示居中
mTime.setFlags(Qt.ItemIsEnabled)# 设置表格不可编辑模式
self.ui.tableWidget.setItem(
self.ui.tableWidget.rowCount() - 1, 2, mTime)mAddress = QTableWidgetItem(item['meet_address'])
mAddress.setTextAlignment(Qt.AlignCenter)# 设置文字显示居中
mAddress.setFlags(Qt.ItemIsEnabled)# 设置表格不可编辑模式
self.ui.tableWidget.setItem(
self.ui.tableWidget.rowCount() - 1, 3, mAddress)
# return indexdef addMeetBtn_clicked(self):
i = self.ui.tableWidget.rowCount()
i += 1
self.ui.tableWidget.setRowCount(i)
meetId = self.ui.meetId.text()
# print(type(meetId))
mId = QTableWidgetItem(meetId)
mId.setTextAlignment(Qt.AlignCenter)# 设置文字显示居中
self.ui.tableWidget.setItem(i - 1, 0, mId)meetTitle = self.ui.meetTitle.text()
mTitle = QTableWidgetItem(meetTitle)
mTitle.setTextAlignment(Qt.AlignCenter)# 设置文字显示居中
self.ui.tableWidget.setItem(i - 1, 1, mTitle)meetTime = self.ui.meetTime.text()
mTime = QTableWidgetItem(meetTime)
mTime.setTextAlignment(Qt.AlignCenter)# 设置文字显示居中
self.ui.tableWidget.setItem(i - 1, 2, mTime)meetAddress = self.ui.meetAddress.text()
mAddress = QTableWidgetItem(meetAddress)
mAddress.setTextAlignment(Qt.AlignCenter)# 设置文字显示居中
self.ui.tableWidget.setItem(i - 1, 3, mAddress)# LineEdit内容清除
self.ui.meetId.setText("")
self.ui.meetTitle.setText("")
self.ui.meetTime.setText("")
self.ui.meetAddress.setText("")if __name__ == "__main__":
app = QApplication(sys.argv)
main = MainWin()
# 显示主界面
main.show()sys.exit(app.exec_())
4.结果展示
前3条会议信息为从解析json获得,第4条会议信息为通过新增会议信息添加。
文章图片
文章图片
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