some script.
This commit is contained in:
parent
d96d8c8786
commit
5c771c6025
76
dm.py
76
dm.py
@ -1,16 +1,26 @@
|
||||
import logging
|
||||
import socket
|
||||
import sys
|
||||
|
||||
import pymysql
|
||||
from PySide6 import QtWidgets
|
||||
from PySide6.QtWidgets import QApplication, QMainWindow, QTableWidget, QTableWidgetItem, QVBoxLayout, QWidget, \
|
||||
QTextEdit, QPushButton, QHBoxLayout, QLineEdit, QMessageBox
|
||||
QTextEdit, QPushButton, QHBoxLayout, QLineEdit, QMessageBox, QSizePolicy
|
||||
|
||||
|
||||
class TableWidgetExample(QMainWindow):
|
||||
def __init__(self):
|
||||
super().__init__()
|
||||
|
||||
self.logger = None
|
||||
self.table = None
|
||||
self.button_connection = None
|
||||
self.connection_pwd = None
|
||||
self.connection_user = None
|
||||
self.connection_dbname = None
|
||||
self.connection_port = None
|
||||
self.connection_host = None
|
||||
self.input_text = None
|
||||
self.connection = None
|
||||
self.cursor = None
|
||||
self.is_connect = False
|
||||
@ -23,7 +33,7 @@ class TableWidgetExample(QMainWindow):
|
||||
# self.connection_port = None
|
||||
# self.connection_user = None
|
||||
# self.connection_pwd = None
|
||||
|
||||
self.initLogger()
|
||||
self.initUI()
|
||||
|
||||
def initUI(self):
|
||||
@ -32,44 +42,21 @@ class TableWidgetExample(QMainWindow):
|
||||
|
||||
central_widget = QWidget()
|
||||
center_layout = QVBoxLayout(central_widget)
|
||||
# central_widget.setLayout(center_layout)
|
||||
self.setCentralWidget(central_widget)
|
||||
|
||||
top_widget = QWidget()
|
||||
top_layout = QVBoxLayout(top_widget)
|
||||
|
||||
table = QTableWidget()
|
||||
table.setColumnCount(2)
|
||||
self.table = QTableWidget()
|
||||
self.table.setColumnCount(2)
|
||||
# 设置水平表头标签
|
||||
self.table.setHorizontalHeaderLabels(["URL", "状态"])
|
||||
self.table.setEditTriggers(QTableWidget.NoEditTriggers)
|
||||
header = self.table.horizontalHeader()
|
||||
# header.setSectionResizeMode(QtWidgets.QHeaderView.ResizeToContents)
|
||||
header.setSectionResizeMode(QtWidgets.QHeaderView.Stretch)
|
||||
|
||||
table.setHorizontalHeaderLabels(["URL", "状态"])
|
||||
header = table.horizontalHeader()
|
||||
|
||||
header.setSectionResizeMode(QtWidgets.QHeaderView.ResizeToContents)
|
||||
header.setSectionResizeMode(0, QtWidgets.QHeaderView.Stretch)
|
||||
|
||||
# data = [
|
||||
# ["https://baidu.com", "队列中"],
|
||||
# ["https://google.com", "队列中"],
|
||||
# ["https://rainss.cn", "队列中"],
|
||||
# ["https://baidu.com", "队列中"],
|
||||
# ["https://google.com", "队列中"],
|
||||
# ["https://rainss.cn", "队列中"],
|
||||
# ["https://baidu.com", "队列中"],
|
||||
# ["https://google.com", "队列中"],
|
||||
# ["https://rainss.cn", "队列中"],
|
||||
# ["https://baidu.com", "队列中"],
|
||||
# ["https://google.com", "队列中"],
|
||||
# ["https://rainss.cn", "队列中"]
|
||||
# ]
|
||||
#
|
||||
# table.setRowCount(len(data))
|
||||
#
|
||||
# for row, rowData in enumerate(data):
|
||||
# for col, value in enumerate(rowData):
|
||||
# item = QTableWidgetItem(value)
|
||||
# table.setItem(row, col, item)
|
||||
|
||||
top_layout.addWidget(table)
|
||||
top_layout.addWidget(self.table)
|
||||
center_layout.addWidget(top_widget)
|
||||
|
||||
# 下部分布局
|
||||
@ -110,12 +97,16 @@ class TableWidgetExample(QMainWindow):
|
||||
|
||||
action_layout = QHBoxLayout()
|
||||
button_add = QPushButton("添加链接")
|
||||
button_add.clicked.connect(self.add_data_to_table)
|
||||
action_layout.addWidget(button_add)
|
||||
button_execute = QPushButton("开始采集")
|
||||
action_layout.addWidget(button_execute)
|
||||
bottom_layout.addLayout(action_layout)
|
||||
|
||||
center_layout.addWidget(bottom_widget)
|
||||
def initLogger(self):
|
||||
logging.basicConfig(level=logging.DEBUG)
|
||||
self.logger = logging.getLogger("dmuk")
|
||||
|
||||
def connect_to_database(self):
|
||||
# 数据库基本信息
|
||||
@ -159,9 +150,6 @@ class TableWidgetExample(QMainWindow):
|
||||
self.cursor = self.connection.cursor()
|
||||
# 链接成功
|
||||
self.is_connect = True
|
||||
|
||||
|
||||
|
||||
self.statusBar().showMessage("Connection succees!")
|
||||
except pymysql.Error as e:
|
||||
# 异常 连接失败
|
||||
@ -174,6 +162,20 @@ class TableWidgetExample(QMainWindow):
|
||||
self.connection.close()
|
||||
event.accept()
|
||||
|
||||
def add_data_to_table(self):
|
||||
self.logger.debug("Add button clicked")
|
||||
|
||||
# data = [["数据1", "数据2"],
|
||||
# ["数据4", "数据5"]]
|
||||
# self.table.setRowCount(len(data))
|
||||
#
|
||||
# for row, row_data in enumerate(data):
|
||||
# for col, cell_data in enumerate(row_data):
|
||||
# item = QTableWidgetItem(cell_data)
|
||||
# self.table.setItem(row, col, item)
|
||||
|
||||
# 从
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
app = QApplication(sys.argv)
|
||||
|
||||
481
main.py
481
main.py
@ -1,470 +1,43 @@
|
||||
from PySide6 import QtWidgets
|
||||
from PySide6.QtWidgets import QApplication, QMainWindow, QTableWidget, QTableWidgetItem, QVBoxLayout, QWidget
|
||||
import sys
|
||||
import csv
|
||||
import re
|
||||
import sqlite3
|
||||
import pymysql
|
||||
import psycopg2
|
||||
from PySide6.QtCore import Qt
|
||||
from PySide6.QtWidgets import QApplication, QMainWindow, QWidget, QVBoxLayout, QTextEdit, QPushButton, QMessageBox, \
|
||||
QLineEdit, QHBoxLayout, QTableWidget, QTableWidgetItem, QMenu, QFileDialog, QInputDialog, QComboBox, QSplitter, \
|
||||
QPlainTextEdit
|
||||
from PySide6.QtGui import QAction, QKeySequence, QPainter, QSyntaxHighlighter, QTextCharFormat, QColor, QFont
|
||||
|
||||
|
||||
class SQLTextEdit(QTextEdit):
|
||||
def __init__(self, parent=None):
|
||||
super().__init__(parent)
|
||||
self.highlighter = SQLSyntaxHighlighter(self.document())
|
||||
|
||||
def paintEvent(self, event):
|
||||
# 绘制文本框背景
|
||||
super().paintEvent(event)
|
||||
|
||||
|
||||
class SQLSyntaxHighlighter(QSyntaxHighlighter):
|
||||
def __init__(self, parent=None):
|
||||
super().__init__(parent)
|
||||
self.highlighting_rules = []
|
||||
|
||||
keyword_format = QTextCharFormat()
|
||||
keyword_format.setForeground(Qt.darkBlue)
|
||||
keyword_format.setFontWeight(QFont.Bold)
|
||||
keywords = [
|
||||
"SELECT", "FROM", "WHERE", "INSERT", "INTO", "VALUES",
|
||||
"UPDATE", "SET", "DELETE", "CREATE", "TABLE", "DROP",
|
||||
"DATABASE", "ALTER", "ADD", "PRIMARY", "KEY", "FOREIGN",
|
||||
"REFERENCES", "INDEX", "IF", "NOT", "NULL", "AND", "OR",
|
||||
"AS", "LIKE", "JOIN", "LEFT", "RIGHT", "INNER", "OUTER",
|
||||
"ASC", "DESC", "GROUP", "BY", "HAVING", "ORDER", "LIMIT",
|
||||
"OFFSET", "UNION", "ALL", "DISTINCT", "CASE", "WHEN",
|
||||
"THEN", "ELSE", "END"
|
||||
]
|
||||
for keyword in keywords:
|
||||
pattern = r"\b" + re.escape(keyword) + r"\b"
|
||||
rule = (re.compile(pattern, re.IGNORECASE), keyword_format)
|
||||
self.highlighting_rules.append(rule)
|
||||
|
||||
quotation_format = QTextCharFormat()
|
||||
quotation_format.setForeground(Qt.darkGreen)
|
||||
self.highlighting_rules.append((re.compile(r"'[^']*'"), quotation_format))
|
||||
self.highlighting_rules.append((re.compile(r'"[^"]*"'), quotation_format))
|
||||
|
||||
comment_format = QTextCharFormat()
|
||||
comment_format.setForeground(Qt.darkGray)
|
||||
self.highlighting_rules.append((re.compile(r"--[^\n]*"), comment_format))
|
||||
|
||||
def highlightBlock(self, text):
|
||||
for rule in self.highlighting_rules:
|
||||
expression, char_format = rule
|
||||
|
||||
matches = expression.finditer(text)
|
||||
for match in matches:
|
||||
start, end = match.span()
|
||||
self.setFormat(start, end - start, char_format)
|
||||
|
||||
|
||||
class SQLClient(QMainWindow):
|
||||
class MyWindow(QMainWindow):
|
||||
def __init__(self):
|
||||
super().__init__()
|
||||
self.connection = None
|
||||
self.cursor = None
|
||||
self.init_ui()
|
||||
|
||||
def init_ui(self):
|
||||
self.setWindowTitle("SQL Client")
|
||||
self.setGeometry(100, 100, 800, 600)
|
||||
self.setWindowTitle("表格内容自动占满一整行")
|
||||
|
||||
central_widget = QSplitter(self)
|
||||
central_widget = QWidget()
|
||||
self.setCentralWidget(central_widget)
|
||||
|
||||
# 上部分布局
|
||||
top_widget = QWidget()
|
||||
top_layout = QVBoxLayout(top_widget)
|
||||
layout = QVBoxLayout(central_widget)
|
||||
|
||||
# 输入区域布局
|
||||
input_layout = QHBoxLayout()
|
||||
top_layout.addLayout(input_layout)
|
||||
self.table_widget = QTableWidget()
|
||||
layout.addWidget(self.table_widget)
|
||||
|
||||
# self.query_text = QTextEdit()
|
||||
# input_layout.addWidget(self.query_text)
|
||||
# 设置列数和行数
|
||||
self.table_widget.setColumnCount(3)
|
||||
self.table_widget.setRowCount(2) # 两行
|
||||
|
||||
# 创建 SQL 输入框
|
||||
self.query_text = SQLTextEdit(self)
|
||||
# self.setCentralWidget(self.query_text)
|
||||
input_layout.addWidget(self.query_text)
|
||||
# 设置伸展性
|
||||
self.table_widget.horizontalHeader().setSectionResizeMode(QtWidgets.QHeaderView.Stretch)
|
||||
|
||||
# 设置上部分为可伸缩部件
|
||||
top_widget.setLayout(top_layout)
|
||||
central_widget.addWidget(top_widget)
|
||||
# 添加数据到表格中
|
||||
self.add_data_to_table()
|
||||
|
||||
# 下部分布局
|
||||
bottom_widget = QWidget()
|
||||
bottom_layout = QVBoxLayout(bottom_widget)
|
||||
def add_data_to_table(self):
|
||||
data = [("数据1", "数据2", "数据3"),
|
||||
("数据4", "数据5", "数据6")]
|
||||
|
||||
# 结果区域布局
|
||||
self.result_table = QTableWidget()
|
||||
self.result_table.setEditTriggers(QTableWidget.DoubleClicked)
|
||||
self.result_table.setSelectionBehavior(QTableWidget.SelectRows)
|
||||
bottom_layout.addWidget(self.result_table)
|
||||
for row, row_data in enumerate(data):
|
||||
for col, cell_data in enumerate(row_data):
|
||||
item = QTableWidgetItem(cell_data)
|
||||
self.table_widget.setItem(row, col, item)
|
||||
|
||||
# 连接区域布局
|
||||
connection_layout = QHBoxLayout()
|
||||
bottom_layout.addLayout(connection_layout)
|
||||
|
||||
splitter_handle = QSplitter(Qt.Vertical)
|
||||
splitter_handle.addWidget(top_widget)
|
||||
splitter_handle.addWidget(bottom_widget)
|
||||
central_widget.addWidget(splitter_handle)
|
||||
|
||||
db_type_input = QComboBox()
|
||||
self.db_type_input.addItems(["sqlite", "mysql", "pgsql"])
|
||||
self.db_type_input.setPlaceholderText("Database Type")
|
||||
connection_layout.addWidget(self.db_type_input)
|
||||
|
||||
self.db_host_input = QLineEdit()
|
||||
self.db_host_input.setPlaceholderText("Host")
|
||||
connection_layout.addWidget(self.db_host_input)
|
||||
|
||||
self.db_user_input = QLineEdit()
|
||||
self.db_user_input.setPlaceholderText("Username")
|
||||
connection_layout.addWidget(self.db_user_input)
|
||||
|
||||
self.db_password_input = QLineEdit()
|
||||
self.db_password_input.setEchoMode(QLineEdit.Password)
|
||||
self.db_password_input.setPlaceholderText("Password")
|
||||
connection_layout.addWidget(self.db_password_input)
|
||||
|
||||
self.db_name_input = QLineEdit()
|
||||
self.db_name_input.setPlaceholderText("Database Name")
|
||||
connection_layout.addWidget(self.db_name_input)
|
||||
|
||||
self.connect_button = QPushButton("Connect")
|
||||
self.connect_button.clicked.connect(self.connect_to_database)
|
||||
connection_layout.addWidget(self.connect_button)
|
||||
|
||||
self.statusBar()
|
||||
|
||||
self.create_menu()
|
||||
|
||||
def create_menu(self):
|
||||
# 创建菜单栏
|
||||
menu_bar = self.menuBar()
|
||||
|
||||
# 创建文件菜单
|
||||
file_menu = menu_bar.addMenu("File")
|
||||
|
||||
# 创建退出子菜单
|
||||
exit_action = QAction("Exit", self)
|
||||
file_menu.addAction(exit_action)
|
||||
|
||||
# 连接退出子菜单的信号槽
|
||||
exit_action.triggered.connect(self.close)
|
||||
|
||||
# 创建插入菜单
|
||||
insert_menu = menu_bar.addMenu("Insert")
|
||||
|
||||
# 创建插入子菜单项
|
||||
insert_action = QAction("INSERT INTO", self)
|
||||
insert_menu.addAction(insert_action)
|
||||
delete_action = QAction("DELETE FROM", self)
|
||||
insert_menu.addAction(delete_action)
|
||||
update_action = QAction("UPDATE", self)
|
||||
insert_menu.addAction(update_action)
|
||||
select_action = QAction("SELECT", self)
|
||||
insert_menu.addAction(select_action)
|
||||
create_action = QAction("CREATE DATABASE", self)
|
||||
insert_menu.addAction(create_action)
|
||||
show_tables_action = QAction("SHOW TABLES", self)
|
||||
insert_menu.addAction(show_tables_action)
|
||||
show_dbs_action = QAction("SHOW DATABASES", self)
|
||||
insert_menu.addAction(show_dbs_action)
|
||||
create_table_action = QAction("CREATE TABLE", self)
|
||||
insert_menu.addAction(create_table_action)
|
||||
|
||||
# 连接插入子菜单项的信号槽
|
||||
insert_action.triggered.connect(lambda: self.insert_sql("INSERT INTO"))
|
||||
delete_action.triggered.connect(lambda: self.insert_sql("DELETE FROM"))
|
||||
update_action.triggered.connect(lambda: self.insert_sql("UPDATE"))
|
||||
select_action.triggered.connect(lambda: self.insert_sql("SELECT"))
|
||||
create_action.triggered.connect(lambda: self.insert_sql("CREATE DATABASE"))
|
||||
show_tables_action.triggered.connect(lambda: self.insert_sql("SHOW TABLES"))
|
||||
show_dbs_action.triggered.connect(lambda: self.insert_sql("SHOW DATABASES"))
|
||||
create_table_action.triggered.connect(lambda: self.insert_sql("CREATE TABLE"))
|
||||
|
||||
# 创建执行动作
|
||||
execute_action = QAction("Execute (F5)", self)
|
||||
execute_action.triggered.connect(self.execute_query)
|
||||
execute_action.setShortcut(QKeySequence(Qt.Key_F5))
|
||||
# 将执行动作添加到菜单栏
|
||||
menu_bar.addAction(execute_action)
|
||||
|
||||
def insert_sql(self, sql_type):
|
||||
if sql_type:
|
||||
# 根据SQL语句类型生成相应的语句
|
||||
if sql_type == "INSERT INTO":
|
||||
sql = "INSERT INTO table_name (column1, column2) VALUES (?, ?)"
|
||||
elif sql_type == "DELETE FROM":
|
||||
sql = "DELETE FROM table_name WHERE condition"
|
||||
elif sql_type == "UPDATE":
|
||||
sql = "UPDATE table_name SET column1 = value1 WHERE condition"
|
||||
elif sql_type == "SELECT":
|
||||
sql = "SELECT * FROM table_name WHERE condition"
|
||||
elif sql_type == "CREATE DATABASE":
|
||||
sql = "CREATE DATABASE database_name"
|
||||
elif sql_type == "SHOW TABLES":
|
||||
if isinstance(self.connection, sqlite3.Connection):
|
||||
sql = "SELECT name FROM sqlite_master WHERE type='table'"
|
||||
else:
|
||||
sql = "SHOW TABLES"
|
||||
elif sql_type == "SHOW DATABASES":
|
||||
if isinstance(self.connection, sqlite3.Connection):
|
||||
sql = "SELECT name FROM sqlite_master WHERE type='database'"
|
||||
elif isinstance(self.connection, psycopg2.extensions.connection):
|
||||
sql = "SELECT datname FROM pg_database WHERE datistemplate = false"
|
||||
else:
|
||||
sql = "SHOW DATABASES"
|
||||
elif sql_type == "CREATE TABLE":
|
||||
sql = """\
|
||||
CREATE TABLE IF NOT EXISTS table_name (
|
||||
id SERIAL PRIMARY KEY,
|
||||
name VARCHAR(255) NOT NULL,
|
||||
username VARCHAR(255) NOT NULL UNIQUE,
|
||||
age INT,
|
||||
hire_date DATE,
|
||||
price DECIMAL(10, 2),
|
||||
content TEXT,
|
||||
is_deleted BOOLEAN,
|
||||
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
|
||||
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
|
||||
);\
|
||||
"""
|
||||
# 将语句插入到输入框中
|
||||
cursor = self.query_text.textCursor()
|
||||
cursor.insertText(sql)
|
||||
|
||||
def connect_to_database(self):
|
||||
db_type = self.db_type_input.currentText()
|
||||
db_host = self.db_host_input.text()
|
||||
db_user = self.db_user_input.text()
|
||||
db_password = self.db_password_input.text()
|
||||
db_name = self.db_name_input.text()
|
||||
|
||||
try:
|
||||
if db_type.lower() == "mysql":
|
||||
host_parts = db_host.split(':')
|
||||
host = host_parts[0]
|
||||
port = int(host_parts[1]) if len(host_parts) > 1 else 3306
|
||||
self.connection = pymysql.connect(host=host, port=port, user=db_user, password=db_password, db=db_name)
|
||||
self.cursor = self.connection.cursor()
|
||||
elif db_type.lower() == "sqlite":
|
||||
self.connection = sqlite3.connect(db_name)
|
||||
self.cursor = self.connection.cursor()
|
||||
elif db_type.lower() == "pgsql":
|
||||
host_parts = db_host.split(':')
|
||||
host = host_parts[0]
|
||||
port = int(host_parts[1]) if len(host_parts) > 1 else 5432
|
||||
self.connection = psycopg2.connect(host=host, port=port, user=db_user, password=db_password,
|
||||
dbname=db_name)
|
||||
self.cursor = self.connection.cursor()
|
||||
else:
|
||||
raise ValueError("Invalid database type")
|
||||
|
||||
# 更新窗口标题
|
||||
title = f"SQLClient - {db_host}/{db_name}"
|
||||
self.setWindowTitle(title)
|
||||
|
||||
self.statusBar().showMessage("Connected to database" + " " + db_name)
|
||||
except (sqlite3.Error, pymysql.Error, psycopg2.Error) as e:
|
||||
QMessageBox.critical(self, "Error", str(e))
|
||||
self.statusBar().showMessage("Connection failed")
|
||||
|
||||
def execute_query(self):
|
||||
if not self.connection:
|
||||
QMessageBox.warning(self, "Warning", "Not connected to a database")
|
||||
return
|
||||
|
||||
# 获取当前光标对象
|
||||
cursor = self.query_text.textCursor()
|
||||
|
||||
# 判断是否有选中内容
|
||||
if cursor.hasSelection():
|
||||
# 获取选中的文本
|
||||
selected_text = cursor.selectedText()
|
||||
query = selected_text
|
||||
else:
|
||||
# 获取整个输入框的文本
|
||||
query = self.query_text.toPlainText()
|
||||
|
||||
try:
|
||||
# 使用分号分割多个 SQL 语句
|
||||
sql_statements = query.split(";")
|
||||
|
||||
# 执行每个 SQL 语句
|
||||
for statement in sql_statements:
|
||||
# 忽略空语句
|
||||
if not statement.strip():
|
||||
continue
|
||||
|
||||
# 执行
|
||||
self.cursor.execute(statement)
|
||||
|
||||
# 提交事务
|
||||
self.connection.commit()
|
||||
|
||||
# 获取查询结果
|
||||
result = self.cursor.fetchall()
|
||||
|
||||
# 设置表格行列数
|
||||
num_rows = len(result)
|
||||
num_columns = len(self.cursor.description)
|
||||
self.result_table.setRowCount(num_rows)
|
||||
self.result_table.setColumnCount(num_columns)
|
||||
|
||||
# 设置表头
|
||||
header = [field[0] for field in self.cursor.description]
|
||||
self.result_table.setHorizontalHeaderLabels(header)
|
||||
|
||||
# 填充结果到表格
|
||||
for row_idx, row_data in enumerate(result):
|
||||
for col_idx, col_data in enumerate(row_data):
|
||||
item = QTableWidgetItem(str(col_data))
|
||||
item.setTextAlignment(Qt.AlignLeft | Qt.AlignVCenter)
|
||||
self.result_table.setItem(row_idx, col_idx, item)
|
||||
|
||||
self.result_table.setContextMenuPolicy(Qt.CustomContextMenu)
|
||||
self.result_table.customContextMenuRequested.connect(self.show_context_menu)
|
||||
|
||||
self.statusBar().showMessage("Query executed successfully")
|
||||
except (sqlite3.Error, pymysql.Error, psycopg2.Error) as e:
|
||||
QMessageBox.critical(self, "Error", str(e))
|
||||
self.statusBar().showMessage("Query execution failed")
|
||||
|
||||
def show_context_menu(self, pos):
|
||||
if self.result_table.selectionModel().hasSelection():
|
||||
menu = QMenu(self)
|
||||
update_action = QAction("Update to Database", self)
|
||||
update_action.triggered.connect(self.update_to_database)
|
||||
menu.addAction(update_action)
|
||||
|
||||
# 导出为CSV菜单项
|
||||
export_csv_action = QAction("Export as CSV", self)
|
||||
export_csv_action.triggered.connect(self.export_as_csv)
|
||||
menu.addAction(export_csv_action)
|
||||
|
||||
menu.exec(self.result_table.viewport().mapToGlobal(pos))
|
||||
|
||||
def get_target_table_name(self):
|
||||
table_name, ok = QInputDialog.getText(self, "Target Table", "Enter the target table name:")
|
||||
if ok and table_name:
|
||||
return table_name
|
||||
else:
|
||||
return None
|
||||
|
||||
def update_to_database(self):
|
||||
if not self.connection:
|
||||
QMessageBox.warning(self, "Warning", "Not connected to a database")
|
||||
return
|
||||
|
||||
table_name = self.get_target_table_name()
|
||||
if not table_name:
|
||||
return
|
||||
|
||||
try:
|
||||
|
||||
# 获取表的主键字段名
|
||||
primary_key_column = self.get_primary_key_column(table_name)
|
||||
if not primary_key_column:
|
||||
QMessageBox.warning(self, "Warning", "Table doesn't have a primary key column")
|
||||
return
|
||||
|
||||
for row in range(self.result_table.rowCount()):
|
||||
values = []
|
||||
update_pairs = []
|
||||
primary_key_value = None
|
||||
|
||||
for col in range(self.result_table.columnCount()):
|
||||
item = self.result_table.item(row, col)
|
||||
value = item.text()
|
||||
values.append(value)
|
||||
|
||||
# 构建更新语句的列名=值对
|
||||
column_name = self.result_table.horizontalHeaderItem(col).text()
|
||||
update_pairs.append(f"{column_name} = '{value}'")
|
||||
|
||||
# 获取主键列的值
|
||||
if column_name == primary_key_column:
|
||||
primary_key_value = value
|
||||
|
||||
# 构建更新语句
|
||||
update_query = f"UPDATE {table_name} SET {', '.join(update_pairs)} WHERE {primary_key_column} = '{primary_key_value}'"
|
||||
self.cursor.execute(update_query)
|
||||
|
||||
self.connection.commit()
|
||||
|
||||
self.statusBar().showMessage("Updated to database successfully")
|
||||
except (sqlite3.Error, pymysql.Error, psycopg2.Error) as e:
|
||||
QMessageBox.critical(self, "Error", str(e))
|
||||
self.statusBar().showMessage("Update to database failed")
|
||||
|
||||
def get_primary_key_column(self, table_name):
|
||||
# 根据数据库类型查询表的主键字段名
|
||||
if self.db_type_input.currentText().lower() == "mysql":
|
||||
query = f"SHOW KEYS FROM {table_name} WHERE Key_name = 'PRIMARY'"
|
||||
self.cursor.execute(query)
|
||||
primary_key_info = self.cursor.fetchone()
|
||||
if primary_key_info:
|
||||
return primary_key_info[4]
|
||||
elif self.db_type_input.currentText().lower() == "sqlite":
|
||||
query = f"PRAGMA table_info({table_name})"
|
||||
self.cursor.execute(query)
|
||||
columns = self.cursor.fetchall()
|
||||
for column in columns:
|
||||
if column[5] == 1: # 判断是否为主键
|
||||
return column[1]
|
||||
elif self.db_type_input.currentText().lower() == "pgsql":
|
||||
query = f"SELECT column_name FROM information_schema.key_column_usage WHERE table_name = '{table_name}' AND constraint_name LIKE '%_pkey'"
|
||||
self.cursor.execute(query)
|
||||
primary_key_info = self.cursor.fetchone()
|
||||
if primary_key_info:
|
||||
return primary_key_info[0]
|
||||
return None
|
||||
|
||||
def export_as_csv(self):
|
||||
file_dialog = QFileDialog()
|
||||
file_path, _ = file_dialog.getSaveFileName(self, "Export as CSV", "", "CSV Files (*.csv)")
|
||||
|
||||
if file_path:
|
||||
try:
|
||||
with open(file_path, "w", newline="") as file:
|
||||
writer = csv.writer(file)
|
||||
header_data = [self.result_table.horizontalHeaderItem(col).text() for col in
|
||||
range(self.result_table.columnCount())]
|
||||
writer.writerow(header_data)
|
||||
for row in range(self.result_table.rowCount()):
|
||||
row_data = [self.result_table.item(row, col).text() for col in
|
||||
range(self.result_table.columnCount())]
|
||||
writer.writerow(row_data)
|
||||
self.statusBar().showMessage("Exported as CSV successfully")
|
||||
except IOError as e:
|
||||
QMessageBox.critical(self, "Error", str(e))
|
||||
self.statusBar().showMessage("Export as CSV failed")
|
||||
|
||||
def closeEvent(self, event):
|
||||
if self.connection:
|
||||
self.connection.close()
|
||||
|
||||
event.accept()
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
if __name__ == "__main__":
|
||||
app = QApplication(sys.argv)
|
||||
|
||||
if len(sys.argv) > 1:
|
||||
db_file = sys.argv[1]
|
||||
sql_client = SQLClient()
|
||||
sql_client.db_name_input.setText(db_file)
|
||||
else:
|
||||
sql_client = SQLClient()
|
||||
|
||||
sql_client.show()
|
||||
sys.exit(app.exec())
|
||||
window = MyWindow()
|
||||
window.setGeometry(100, 100, 600, 400)
|
||||
window.show()
|
||||
sys.exit(app.exec())
|
||||
|
||||
Loading…
Reference in New Issue
Block a user