仅从外部文件返回的上次存储的数据

import os

def read_file(file_path):
    if not os.path.exists(file_path):
        raise FileNotFoundError(f"文件路径错误: {file_path}")
    if not os.access(file_path, os.R_OK):
        raise PermissionError(f"文件权限错误: {file_path}")
    
    try:
        with open(file_path, 'r') as file:
            data = file.read()
        return data
    except Exception as e:
        raise IOError(f"读取文件时发生错误: {e}")

# 示例调用
try:
    data = read_file('path/to/your/file.txt')
    print(data)
except Exception as e:
    print(e)

import json

def parse_json_file(file_path):
    try:
        with open(file_path, 'r') as file:
            data = json.load(file)
        return data
    except json.JSONDecodeError as e:
        raise ValueError(f"JSON解析错误: {e}")
    except Exception as e:
        raise IOError(f"读取文件时发生错误: {e}")

# 示例调用
try:
    data = parse_json_file('path/to/your/file.json')
    print(data)
except Exception as e:
    print(e)