需求:對文件進行增刪改查

由于時間原因,本次代碼沒有增加任何注釋,如有疑問,請聯系編輯者:閆龍

其實我也是醉了,看著這些個代碼,我腦袋也特么大了,沒辦法,大神說了,不讓用新知識,只可以使用學過的,所以代碼復用就不用說了,根本不可能了,希望大家可以看懂這些,別人啃著糟心,自己看著惡心的代碼;

優化工作量很大,還未及時進行,還望各位海涵,謝謝!

# 編輯者：閆龍 import os; Menu = ["查詢","添加","修改","刪除"] while True:for i in range(len(Menu)):print(i+1,Menu[i]);UserSelect = input("請選擇您要操作的類型>>>:");if (UserSelect == "1") :TitlesDic = {};count = 0;with open("haproxy.conf", mode="r+", encoding="utf8") as ConfFile:ConfRead = ConfFile.readlines();for i in ConfRead:if (not i[0].isspace()):count += 1;TitlesDic[count] = {};TitlesDic[count][i.strip()] = "";Titles = i.strip();else:TitlesDic[count][Titles] += i;for i in TitlesDic.keys():k = list(dict(TitlesDic[i]).keys())[0]print(i,k);UserSelect = input("請選擇您要查詢的字段>>>:");for i,j in dict(TitlesDic[int(UserSelect)]).items():print(i+"\n",j);if(UserSelect == "2"):print("目前只能針對bakend字段進行添加操作")bakend = {}com = "backend\t"+input("請輸入域名:") + "\n"bakend[com] ="";bakend[com] +=("\tserver\t"+input("Server:")+"\t");bakend[com] +=("weight\t"+input("weight:") + "\t");bakend[com] +=("maxconn\t"+input("maxconn:") + "\n");with open("haproxy.conf",mode="a+") as ConfFile:for i,j in bakend.items():ConfFile.writelines(i+j);print("添加成功!")if(UserSelect == "3"):print("目前只能針對backend www.oldboy20.org字段進行修改操作")bakend = {}WriteDic = {};com = "backend\t"+input("請輸入域名:")bakend[com] ="";bakend[com] +=("\tserver\t"+input("Server:")+"\t");bakend[com] +=("weight\t"+input("weight:") + "\t");bakend[com] +=("maxconn\t"+input("maxconn:") + "\n");with open("haproxy.conf", mode="r+", encoding="utf8") as ConfFile:ConfRead = ConfFile.readlines();for i in ConfRead:if (not i[0].isspace()):Titles = i.strip();WriteDic[Titles] ="";else:WriteDic[Titles] += i;with open("haproxy.conf_new",mode="w+",encoding="utf8") as WriteNewFile:WriteDic.pop("backend www.oldboy20.org")WriteDic.update(bakend);for i,j in WriteDic.items():WriteNewFile.writelines(i+"\n"+j);os.rename("haproxy.conf","haproxy.conf_bak");os.rename("haproxy.conf_new", "haproxy.conf");print("修改成功!")if(UserSelect == "4"):TitlesDic = {};WriteDic = {};count = 0;with open("haproxy.conf", mode="r+", encoding="utf8") as ConfFile:ConfRead = ConfFile.readlines();for i in ConfRead:if (not i[0].isspace()):count += 1;TitlesDic[count] = {};TitlesDic[count][i.strip()] = "";Titles = i.strip();WriteDic[Titles] ="";else:TitlesDic[count][Titles] += i;WriteDic[Titles] += i;for i in TitlesDic.keys():k = list(dict(TitlesDic[i]).keys())[0]print(i, k);UserSelect = input("請選擇您要刪除的字段>>>:");with open("haproxy.conf_new",mode="w+",encoding="utf8") as WriteNewFile:WriteDic.pop(list(dict(TitlesDic[int(UserSelect)]).keys())[0])for i,j in WriteDic.items():WriteNewFile.writelines(i+"\n"+j);os.rename("haproxy.conf","haproxy.conf_bak");os.rename("haproxy.conf_new", "haproxy.conf");print("刪除成功");

?

轉載于:https://www.cnblogs.com/DragonFire/p/6671389.html

總結

以上是生活随笔為你收集整理的Python文件操作-文件的增删改查的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。