pip install PyYAML

import yaml
import os
def write_yaml(filename, data):
    # 拼接文件路徑（默認(rèn)在項(xiàng)目根目錄的 data 文件夾下）
    file_path = os.getcwd() + "/data/" + filename
    # 以追加模式打開文件，指定編碼為 utf-8
    with open(file_path, encoding="utf-8", mode="a+") as f:
        # 安全寫入數(shù)據(jù)，支持 Unicode 字符
        yaml.safe_dump(data, stream=f, allow_unicode=True)

import yaml
import os

def read_yaml(filename, key):
    file_path = os.getcwd() + "/data/" + filename
    with open(file_path, encoding="utf-8", mode="r") as f:
        # 安全加載 YAML 數(shù)據(jù)
        data = yaml.safe_load(f)
        # 返回指定鍵對(duì)應(yīng)的值
        return data[key]

import os

def clear_yaml(filename):
    file_path = os.getcwd() + "/data/" + filename
    with open(file_path, encoding="utf-8", mode="w") as f:
        # 清空文件內(nèi)容
        f.truncate()

import yaml
import os

# 追加寫入
def write_yaml(filename, data):
    file_path = os.getcwd() + "/data/" + filename
    with open(file_path, encoding="utf-8", mode="a+") as f:
        yaml.safe_dump(data, stream=f, allow_unicode=True)

# 讀取
def read_yaml(filename, key):
    file_path = os.getcwd() + "/data/" + filename
    with open(file_path, encoding="utf-8", mode="r") as f:
        data = yaml.safe_load(f)
        return data[key]

# 清空
def clear_yaml(filename):
    file_path = os.getcwd() + "/data/" + filename
    with open(file_path, encoding="utf-8", mode="w") as f:
        f.truncate()

# 測(cè)試函數(shù)
def test_yml():
    # 1. 寫入 YAML 文件（數(shù)據(jù)為字典類型）
    data = {"str": "12345", "user": "zhangsan", "password": "123456"}
    write_yaml('test.yml', data)
    
    # 2. 讀取 YAML 文件中 "str" 鍵對(duì)應(yīng)的值
    ret = read_yaml('test.yml', "str")
    print("讀取結(jié)果:", ret)  # 輸出：讀取結(jié)果: 12345
    
    # 3. 清空 YAML 文件
    clear_yaml('test.yml')

# 執(zhí)行測(cè)試
if __name__ == "__main__":
    test_yml()