[白月黑羽]关于仿写类postman功能软件题目的解答

原题：

答：
python文件如下

from PySide6.QtWidgets import QApplication, QMessageBox,QTableWidgetItem,QHeaderView,QWidget,QTableWidget
from PySide6.QtCore import QEvent,QObject
from PySide6.QtUiTools import QUiLoader
import time
import requests

uiLoader = QUiLoader()classTableWidgetFilter(QObject):def__init__(self, parent=None):super(TableWidgetFilter, self).__init__(parent)defeventFilter(self, watched, event):if event.type()== QEvent.MouseButtonRelease:
            idx = watched.parentWidget().indexAt(event.position().toPoint())if(idx.row()<0):
                watched.parentWidget().setCurrentItem(None)returnsuper(TableWidgetFilter, self).eventFilter( watched, event)# 用于打印请求消息， 参数为 PreparedRequest 对象defpretty_print_request(req):if req.body ==None:
        msgBody =''else:
        msgBody = req.body
    
    # 打印请求消息，如果为空不拼接进去
    result ='\n----------- 发送请求 -----------'if req.method!=Noneand req.url!=None:
        result = result +'\n'+ req.method +' '+ req.url 
    if req.headers !=Noneandlen(req.headers)>0:
        result = result +'\n' 
        result = result +str('\n'.join('{}: {}'.format(k, v)for k, v in req.headers.items()))if msgBody!='':
        result = result +str('\n'+ msgBody)return result

# 用于打印响应消息defpretty_print_response(res)->str:
    result ='\n----------- 得到响应 -----------'if res.status_code!=None:
        result = result +str('\nHTTP/1.1 '+str(res.status_code))if res.headers!=Noneandlen(res.headers)>0:
        result = result +'\n' 
        result = result +str('\n'.join('{}: {}'.format(k, v)for k, v in res.headers.items()))if res.text!='':
        result = result +str('\n'+ res.text)return result

classMainWindow:def__init__(self):
        self.ui = uiLoader.load('.\\main.ui')

        self.ui.addBtn.clicked.connect(self.add_header)
        self.ui.removeBtn.clicked.connect(self.remove_header)
        self.ui.headersTable.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)# 创建事件过滤器实例
        self.event_filter = TableWidgetFilter(self.ui.headersTable)
        self.ui.headersTable.viewport().installEventFilter(self.event_filter)
        self.ui.clearBtn.clicked.connect(self.clear_result)
        self.ui.sendBtn.clicked.connect(self.send)defadd_header(self):
        self.ui.headersTable.insertRow(self.ui.headersTable.rowCount())defremove_header(self):
        row = self.ui.headersTable.currentRow()if row >=0:
            self.ui.headersTable.removeRow(row)
            self.ui.headersTable.setCurrentItem(None)defsend(self):#获取多个数据源
        request_type = self.ui.requestBox.currentText()
        request_url = self.ui.urlEdit.text()
        request_headers ={}for i inrange(self.ui.headersTable.rowCount()):if self.ui.headersTable.item(i,0)==Noneor self.ui.headersTable.item(i,1)==None:continue
            key = self.ui.headersTable.item(i,0).text()
            value = self.ui.headersTable.item(i,1).text()
            request_headers[key]= value
        
        request_body = self.ui.bodyEdit.toPlainText()try:
            req = requests.Request(request_type, 
                            request_url, 
                            headers=request_headers, 
                            data=request_body)      
            prepared = req.prepare()except requests.exceptions.RequestException as e:
            QMessageBox.warning(self.ui,"错误","请求参数错误\n"+str(e))return

        self.ui.resultText.appendPlainText(pretty_print_request(prepared))#发送包try:
            res = requests.Session().send(prepared)
            self.ui.resultText.appendPlainText(pretty_print_response(res))except requests.exceptions.RequestException as e:
            QMessageBox.warning(self.ui,"错误","请求失败\n"+str(e))returndefclear_result(self):
        self.ui.resultText.clear()

app = QApplication([])
mainWindow = MainWindow()
mainWindow.ui.show()
app.exec()

动态加载的main.ui文件

<?xml version="1.0" encoding="UTF-8"?><uiversion="4.0"><class>Form</class><widgetclass="QWidget"name="Form"><propertyname="geometry"><rect><x>0</x><y>0</y><width>534</width><height>519</height></rect></property><propertyname="windowTitle"><string>HTTP接口测试</string></property><layoutclass="QVBoxLayout"name="verticalLayout_3"><item><layoutclass="QVBoxLayout"name="verticalLayout_2"><item><layoutclass="QHBoxLayout"name="horizontalLayout"><item><widgetclass="QComboBox"name="requestBox"><item><propertyname="text"><string>GET</string></property></item><item><propertyname="text"><string>POST</string></property></item></widget></item><item><widgetclass="QLineEdit"name="urlEdit"/></item><item><widgetclass="QPushButton"name="sendBtn"><propertyname="text"><string>发送</string></property></widget></item></layout></item><item><widgetclass="Line"name="line"><propertyname="orientation"><enum>Qt::Horizontal</enum></property></widget></item><item><widgetclass="QSplitter"name="splitter_3"><propertyname="orientation"><enum>Qt::Horizontal</enum></property><widgetclass="QSplitter"name="splitter_2"><propertyname="orientation"><enum>Qt::Vertical</enum></property><widgetclass="QSplitter"name="splitter"><propertyname="orientation"><enum>Qt::Horizontal</enum></property><widgetclass="QLabel"name="label"><propertyname="font"><font><pointsize>12</pointsize></font></property><propertyname="layoutDirection"><enum>Qt::LeftToRight</enum></property><propertyname="text"><string>消息头</string></property><propertyname="alignment"><set>Qt::AlignCenter</set></property></widget><widgetclass="QPushButton"name="addBtn"><propertyname="sizePolicy"><sizepolicyhsizetype="Fixed"vsizetype="Fixed"><horstretch>0</horstretch><verstretch>0</verstretch></sizepolicy></property><propertyname="maximumSize"><size><width>50</width><height>16777215</height></size></property><propertyname="text"><string>+</string></property></widget><widgetclass="QPushButton"name="removeBtn"><propertyname="sizePolicy"><sizepolicyhsizetype="Fixed"vsizetype="Fixed"><horstretch>0</horstretch><verstretch>0</verstretch></sizepolicy></property><propertyname="maximumSize"><size><width>50</width><height>16777215</height></size></property><propertyname="text"><string>-</string></property></widget></widget><widgetclass="QTableWidget"name="headersTable"><column><propertyname="text"><string>名称</string></property></column><column><propertyname="text"><string>值</string></property></column></widget></widget><widgetclass="Line"name="line_2"><propertyname="minimumSize"><size><width>15</width><height>0</height></size></property><propertyname="orientation"><enum>Qt::Vertical</enum></property></widget><widgetclass="QWidget"name="layoutWidget_2"><layoutclass="QVBoxLayout"name="verticalLayout"><item><widgetclass="QLabel"name="label_2"><propertyname="font"><font><pointsize>12</pointsize></font></property><propertyname="text"><string>消息体</string></property><propertyname="alignment"><set>Qt::AlignCenter</set></property></widget></item><item><widgetclass="QPlainTextEdit"name="bodyEdit"><propertyname="enabled"><bool>true</bool></property></widget></item></layout></widget></widget></item><item><widgetclass="Line"name="line_3"><propertyname="orientation"><enum>Qt::Horizontal</enum></property></widget></item><item><widgetclass="QPlainTextEdit"name="resultText"><propertyname="readOnly"><bool>true</bool></property></widget></item><itemalignment="Qt::AlignHCenter"><widgetclass="QPushButton"name="clearBtn"><propertyname="maximumSize"><size><width>75</width><height>16777215</height></size></property><propertyname="text"><string>清除</string></property></widget></item></layout></item></layout></widget><resources/><connections/></ui>

使用效果：