So implementieren Sie die Hilfsklasse für Dateioperationen in Python

#文件操作
 
import pickle
 
#读取文件的所有内容(返回字符串)
def ReadFileAllInfoAsStr(filePathAndName):
    try:
        with open(filePathAndName) as fileObj:
            fileInfos=fileObj.read()
    except FileNotFoundError:
        msg="很抱歉，文件【"+filePathAndName+"】不存在"
        print(msg)
    else:
        return fileInfos
 
#读取文件的所有内容（返回列表）
def ReadFileAllInfoAsList(filePathAndName):
    try:
        with open(filePathAndName) as fileObj:
            fileInfos=fileObj.readlines()
    except FileNotFoundError:
        msg="很抱歉，文件【"+filePathAndName+"】不存在"
        print(msg)
    else:
        return fileInfos
 
#写入信息到文件（覆盖原有内容）
def WriteInfo(needWriteInfo,filePathAndName):
    try:
        with open(filePathAndName,'wb') as fileObj:
            tmpBytes = bytes(needWriteInfo,'utf8')
            fileObj.write(tmpBytes)
    except Exception as e:
        print(e)
 
    
#追加信息到文件中
def AppedInfo(needWriteInfo,filePathAndName):
    try:
        with open(filePathAndName,'ab') as fileObj:
            tmpBytes = bytes('\n'+needWriteInfo,'utf8')
            fileObj.write(tmpBytes)
    except Exception as e:
        print(e)
 
 
#写入对象到文件
def WriteObj(needWriteInfo,filePathAndName):
    try:
       with open(filePathAndName,'wb') as fileObj:
           pickle.dump(needWriteInfo,fileObj)
    except Exception as e:
        print(e)
 
#读取文件内容
def ReadObj(filePathAndName):
    try:
       with open(filePathAndName,'rb') as fileObj:
        tmpObj = pickle.load(fileObj)
    except Exception as e:
        print(e)
    else:
        return tmpObj
    
 
import json
import codecs
 
#写入信息为json文件
def WritInfoAsJson(needWriteInfo,filePathAndName):
    try:
        with codecs.open(filePathAndName,'wb',encoding='utf-8') as fileObj:
            json.dump(needWriteInfo,fileObj)
    except Exception as e:
        print(e)
 
#读取json文件信息
def ReadInfoToJson(filePathAndName):
    try:
        with codecs.open(filePathAndName,'rb',encoding='utf-8') as fileObj:
            tmpJson=json.load(fileObj)
    except Exception as e:
        print(e)
    else:
        return tmpJson