sticky cookie srv_id expires=1h domain=.example.com path=/;
时间: 2024-05-19 09:11:41 浏览: 112
这是一条设置 cookie 的代码,意思是创建一个名为 "srv_id" 的 cookie,它将在域名为 ".example.com" 的网站上有效,路径为 "/",过期时间为 1 小时。 "sticky" 通常是指在负载均衡或集群环境中使用的一种技术,用于确保用户的请求被路由到同一台服务器上,从而提高性能和可靠性。因此,这个 cookie 可能用于存储服务器标识符,以便将每个请求路由到正确的服务器。
相关问题
def __init__(self, master): self.master = master master.title("查詢窗口") # 获取屏幕的宽度和高度 screen_width = root.winfo_screenwidth() screen_height = root.winfo_screenheight() # 将窗口的大小设置为屏幕的大小 master.geometry("%dx%d" % (screen_width, screen_height)) # 下载按钮 # 日期标签和输入框 ri = datetime.datetime.now().strftime('%Y/%m/%d') self.date_label = tk.Label(master, text="日期:") self.date_label.grid(row=0, column=0, sticky=tk.W) self.date_entry = tk.Entry(master) self.date_entry.grid(row=0, column=1, sticky=tk.W) self.date_entry.insert(0, ri) self.line_label1 = tk.Label(master, text="线别:") self.line_label1.grid(row=1, column=0, sticky=tk.W) self.line_entry1 = tk.Entry(master) self.line_entry1.grid(row=1, column=1, sticky=tk.W) self.line_label2 = tk.Label(master, text="点检表单:") self.line_label2.grid(row=2, column=0, sticky=tk.W) self.line_entry2 = tk.Entry(master) self.line_entry2.grid(row=2, column=1, sticky=tk.W) # 查询按钮 self.query_button = tk.Button(master, text="查询", command=self.query) self.query_button.grid(row=0, column=2, sticky=tk.W) # 结果标签和文本框 self.result_label = tk.Label(master, text="") self.result_label.grid(row=2, column=0, sticky=tk.W) self.result_text = tk.Text(master) self.result_text.grid(row=3, column=0, columnspan=2, sticky=tk.W) self.result_text.configure(width=120) # 设置字体和背景颜色 self.date_label.config(font=("Arial", 14), bg="white") self.date_entry.config(font=("Arial", 14), bg="white") self.line_label1.config(font=("Arial", 14), bg="white") self.line_entry1.config(font=("Arial", 14), bg="white") self.line_label2.config(font=("Arial", 14), bg="white") self.line_entry2.config(font=("Arial", 14), bg="white") self.query_button.config(font=("Arial", 14), bg="white") self.result_label.config(font=("Arial", 14), bg="white") self.result_text.config(font=("Arial", 14), bg="white")將這個代碼中的輸入框全部改爲下拉輸入框
好的,你需要使用 `tkinter` 中的 `ttk` 模块中提供的 `Combobox` 组件来实现下拉框。具体改动如下:
1. 首先需要在开头引入 `ttk` 模块:`from tkinter import ttk`
2. 然后将所有的 `Entry` 改为 `Combobox`,比如将 `self.date_entry = tk.Entry(master)` 改为 `self.date_entry = ttk.Combobox(master)`
3. 对于下拉框,需要设置可选项,可以使用 `values` 参数,比如 `self.date_entry = ttk.Combobox(master, values=["选项1", "选项2", "选项3"])`
4. 可以设置默认选中项,使用 `current` 参数,比如 `self.date_entry = ttk.Combobox(master, values=["选项1", "选项2", "选项3"], current=0)`
5. 最后需要设置字体和背景颜色,使用 `configure` 方法,比如 `self.date_entry.configure(font=("Arial", 14), background="white")`
修改后的代码如下:
```python
from tkinter import ttk
class QueryWindow:
def __init__(self, master):
self.master = master
master.title("查詢窗口")
# 获取屏幕的宽度和高度
screen_width = root.winfo_screenwidth()
screen_height = root.winfo_screenheight()
# 将窗口的大小设置为屏幕的大小
master.geometry("%dx%d" % (screen_width, screen_height))
# 下载按钮
# 日期标签和输入框
ri = datetime.datetime.now().strftime('%Y/%m/%d')
self.date_label = tk.Label(master, text="日期:")
self.date_label.grid(row=0, column=0, sticky=tk.W)
self.date_entry = ttk.Combobox(master, values=["选项1", "选项2", "选项3"])
self.date_entry.grid(row=0, column=1, sticky=tk.W)
self.date_entry.current(0)
self.date_entry.configure(font=("Arial", 14), background="white")
self.line_label1 = tk.Label(master, text="线别:")
self.line_label1.grid(row=1, column=0, sticky=tk.W)
self.line_entry1 = ttk.Combobox(master, values=["选项1", "选项2", "选项3"])
self.line_entry1.grid(row=1, column=1, sticky=tk.W)
self.line_entry1.current(0)
self.line_entry1.configure(font=("Arial", 14), background="white")
self.line_label2 = tk.Label(master, text="点检表单:")
self.line_label2.grid(row=2, column=0, sticky=tk.W)
self.line_entry2 = ttk.Combobox(master, values=["选项1", "选项2", "选项3"])
self.line_entry2.grid(row=2, column=1, sticky=tk.W)
self.line_entry2.current(0)
self.line_entry2.configure(font=("Arial", 14), background="white")
# 查询按钮
self.query_button = tk.Button(master, text="查询", command=self.query)
self.query_button.grid(row=0, column=2, sticky=tk.W)
# 结果标签和文本框
self.result_label = tk.Label(master, text="")
self.result_label.grid(row=2, column=0, sticky=tk.W)
self.result_text = tk.Text(master)
self.result_text.grid(row=3, column=0, columnspan=2, sticky=tk.W)
self.result_text.configure(width=120)
# 设置字体和背景颜色
self.date_label.configure(font=("Arial", 14), background="white")
self.line_label1.configure(font=("Arial", 14), background="white")
self.line_label2.configure(font=("Arial", 14), background="white")
self.query_button.configure(font=("Arial", 14), background="white")
self.result_label.configure(font=("Arial", 14), background="white")
self.result_text.configure(font=("Arial", 14), background="white")
```
import tkinter as tk import pandas as pd import matplotlib.pyplot as plt from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg import os class ExcelPlotter(tk.Frame): def init(self, master=None): super().init(master) self.master = master self.master.title("图方便") self.file_label = tk.Label(master=self, text="Excel File Path:") self.file_label.grid(row=0, column=0, sticky="w") self.file_entry = tk.Entry(master=self) self.file_entry.grid(row=0, column=1, columnspan=2, sticky="we") self.file_button = tk.Button(master=self, text="Open", command=self.open_file) self.file_button.grid(row=0, column=3, sticky="e") self.plot_button = tk.Button(master=self, text="Plot", command=self.plot_data) self.plot_button.grid(row=1, column=2, sticky="we") self.name_label = tk.Label(master=self, text="Out Image Name:") self.name_label.grid(row=2, column=0, sticky="w") self.name_entry = tk.Entry(master=self) self.name_entry.grid(row=2, column=1, columnspan=2, sticky="we") self.save_button = tk.Button(master=self, text="Save", command=self.save_image) self.save_button.grid(row=2, column=3, sticky="e") self.figure = plt.figure(figsize=(5, 4), dpi=150) self.canvas = FigureCanvasTkAgg(self.figure, master=self) self.canvas.get_tk_widget().grid(row=4, column=0, columnspan=4, sticky="we") self.pack() def open_file(self): file_path = tk.filedialog.askopenfilename(filetypes=[("Excel Files", "*.xls")]) self.file_entry.delete(0, tk.END) self.file_entry.insert(tk.END, file_path) def plot_data(self): file_path = self.file_entry.get() if os.path.exists(file_path): data = pd.read_excel(file_path) plt.plot(data['波长(nm)'], data['吸光度'], 'k') plt.xlim(300, 1000) plt.xlabel('Wavelength(nm)', fontsize=16) plt.ylabel('Abs.', fontsize=16) plt.gcf().subplots_adjust(left=0.13, top=0.91, bottom=0.16) plt.savefig('Last Fig', dpi=1000) plt.show() def save_image(self): if self.figure: file_path = tk.filedialog.asksaveasfilename(defaultextension=".png") if file_path: self.figure.savefig(file_path) root = tk.Tk() app = ExcelPlotter(master=root) app.mainloop()帮我增加一个删除当前图像的功能
好的,您可以在 `ExcelPlotter` 类中添加一个名为 `delete_image` 的方法,实现删除当前图像的功能。可以在该方法中调用 `self.figure.clf()` 清空当前图像,然后在界面上更新显示。下面是修改后的代码:
```python
import tkinter as tk
import pandas as pd
import matplotlib.pyplot as plt
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
import os
class ExcelPlotter(tk.Frame):
def __init__(self, master=None):
super().__init__(master)
self.master = master
self.master.title("图方便")
self.file_label = tk.Label(master=self, text="Excel File Path:")
self.file_label.grid(row=0, column=0, sticky="w")
self.file_entry = tk.Entry(master=self)
self.file_entry.grid(row=0, column=1, columnspan=2, sticky="we")
self.file_button = tk.Button(master=self, text="Open", command=self.open_file)
self.file_button.grid(row=0, column=3, sticky="e")
self.plot_button = tk.Button(master=self, text="Plot", command=self.plot_data)
self.plot_button.grid(row=1, column=2, sticky="we")
self.delete_button = tk.Button(master=self, text="Delete", command=self.delete_image)
self.delete_button.grid(row=1, column=3, sticky="e")
self.name_label = tk.Label(master=self, text="Out Image Name:")
self.name_label.grid(row=2, column=0, sticky="w")
self.name_entry = tk.Entry(master=self)
self.name_entry.grid(row=2, column=1, columnspan=2, sticky="we")
self.save_button = tk.Button(master=self, text="Save", command=self.save_image)
self.save_button.grid(row=2, column=3, sticky="e")
self.figure = plt.figure(figsize=(5, 4), dpi=150)
self.canvas = FigureCanvasTkAgg(self.figure, master=self)
self.canvas.get_tk_widget().grid(row=4, column=0, columnspan=4, sticky="we")
self.pack()
def open_file(self):
file_path = tk.filedialog.askopenfilename(filetypes=[("Excel Files", "*.xls")])
self.file_entry.delete(0, tk.END)
self.file_entry.insert(tk.END, file_path)
def plot_data(self):
file_path = self.file_entry.get()
if os.path.exists(file_path):
data = pd.read_excel(file_path)
plt.plot(data['波长(nm)'], data['吸光度'], 'k')
plt.xlim(300, 1000)
plt.xlabel('Wavelength(nm)', fontsize=16)
plt.ylabel('Abs.', fontsize=16)
plt.gcf().subplots_adjust(left=0.13, top=0.91, bottom=0.16)
plt.show()
def delete_image(self):
if self.figure:
self.figure.clf()
self.canvas.draw()
def save_image(self):
if self.figure:
file_path = tk.filedialog.asksaveasfilename(defaultextension=".png")
if file_path:
self.figure.savefig(file_path)
root = tk.Tk()
app = ExcelPlotter(master=root)
app.mainloop()
```
在界面上添加了一个名为 `Delete` 的按钮,点击该按钮会调用 `delete_image` 方法。该方法会清空当前图像并在界面上更新显示。