Tkinter-Text:让文本框将多行识别为单独的输入?
Tkinter-Text: Make text box recognize multiple lines as separate inputs?
我正在尝试制作一个接受用户输入并对其进行修改的程序(用户输入将是各种 10 位左右的数字字符串),然后 returns 修改后的结果。我目前可以通过一行输入实现我想要的,但我想添加允许用户输入多个输入的功能,并让程序分别修改每个输入。但是,在当前状态下,它会简单地修改文本框中的所有内容,就好像它是一个长字符串一样,尽管它们位于不同的行中。
我在想我可以尝试将文本框中的每个输入都放入一个列表中,然后以这种方式遍历它吗?我不确定是否有更好的方法来做到这一点?
import tkinter as tk
root = tk.Tk()
def returnEntry(arg=None):
rawresult = myEntry.get("1.0","end-1c")
#functionality here
modifiedresult = rawresult+str(' modded')
resultLabel.config(text=modifiedresult)
myEntry.delete(0,END)
canv = tk.Canvas(root,height=500,width=1000,bg='misty rose')
canv.pack()
myEntry = tk.Text(root, width=60)
myEntry.focus()
myEntry.bind("<Return>",returnEntry)
myEntry.place(relx=.05,rely=.1)
enterEntry = tk.Button(root, text= "Convert", command=returnEntry, bg='snow')
enterEntry.pack()
resultLabel = tk.Label(root, text = "")
resultLabel.place(relx=.55,rely=.1)
root.geometry("+700+400")
root.mainloop()
它目前只修改文本框中的所有内容,就好像它是一个长字符串。
更新代码:
def returnEntry(arg=None):
rawresult = myEntry.get("1.0","end-1c")
list_of_entries = []
for line in rawresult.splitlines():
list_of_entries.append(line.upper())
#--------------------------------------------------------------
#functionality here
for entries in list_of_entries:
modifiedresult = entries+str(' modded')
#--------------------------------------------------------------
resultLabel.config(text=modifiedresult)
myEntry.delete(0,END)
只需使用 str.splitlines() 来处理它:https://www.tutorialspoint.com/python/string_splitlines.htm
my_text = """This is a very lenghty text example
To give an idea on operating
On strings using built-in method
string.splitlines()"""
repr(my_text)
"'This is a very lenghty text example\nTo give an idea on operating\nOn strings using built-in method\nstring.splitlines()'"
请注意您的 repr 字符串中的 \n。 splitlines 'breaks' 将文本分成 \n(换行符)之间的片段。
## just print
for line in my_text.splitlines():
print(line+'\n')
## do some transormation
for line in my_text.splitlines():
print(line.lower()+'\n')
## append to a list to do some further transformation
some_list = []
for line in my_text.splitlines():
some_list.append(line.upper())
print(some_list[-1]+'\n')
我正在尝试制作一个接受用户输入并对其进行修改的程序(用户输入将是各种 10 位左右的数字字符串),然后 returns 修改后的结果。我目前可以通过一行输入实现我想要的,但我想添加允许用户输入多个输入的功能,并让程序分别修改每个输入。但是,在当前状态下,它会简单地修改文本框中的所有内容,就好像它是一个长字符串一样,尽管它们位于不同的行中。
我在想我可以尝试将文本框中的每个输入都放入一个列表中,然后以这种方式遍历它吗?我不确定是否有更好的方法来做到这一点?
import tkinter as tk
root = tk.Tk()
def returnEntry(arg=None):
rawresult = myEntry.get("1.0","end-1c")
#functionality here
modifiedresult = rawresult+str(' modded')
resultLabel.config(text=modifiedresult)
myEntry.delete(0,END)
canv = tk.Canvas(root,height=500,width=1000,bg='misty rose')
canv.pack()
myEntry = tk.Text(root, width=60)
myEntry.focus()
myEntry.bind("<Return>",returnEntry)
myEntry.place(relx=.05,rely=.1)
enterEntry = tk.Button(root, text= "Convert", command=returnEntry, bg='snow')
enterEntry.pack()
resultLabel = tk.Label(root, text = "")
resultLabel.place(relx=.55,rely=.1)
root.geometry("+700+400")
root.mainloop()
它目前只修改文本框中的所有内容,就好像它是一个长字符串。
更新代码:
def returnEntry(arg=None):
rawresult = myEntry.get("1.0","end-1c")
list_of_entries = []
for line in rawresult.splitlines():
list_of_entries.append(line.upper())
#--------------------------------------------------------------
#functionality here
for entries in list_of_entries:
modifiedresult = entries+str(' modded')
#--------------------------------------------------------------
resultLabel.config(text=modifiedresult)
myEntry.delete(0,END)
只需使用 str.splitlines() 来处理它:https://www.tutorialspoint.com/python/string_splitlines.htm
my_text = """This is a very lenghty text example
To give an idea on operating
On strings using built-in method
string.splitlines()"""
repr(my_text)
"'This is a very lenghty text example\nTo give an idea on operating\nOn strings using built-in method\nstring.splitlines()'"
请注意您的 repr 字符串中的 \n。 splitlines 'breaks' 将文本分成 \n(换行符)之间的片段。
## just print
for line in my_text.splitlines():
print(line+'\n')
## do some transormation
for line in my_text.splitlines():
print(line.lower()+'\n')
## append to a list to do some further transformation
some_list = []
for line in my_text.splitlines():
some_list.append(line.upper())
print(some_list[-1]+'\n')