[快学Python3]JSON解析

# -*- coding:utf-8 -*-

__author__ = '苦叶子'

import json

if __name__ == "__main__":
    print("json转dict")

    json_str = '{"name": "开源优测", "url": "www.abc.com", "id": "DeepTest"}'
    
    # 原类型
    print("原类型：", type(json_str))    
    
    # 转成dict对象
    # 会被转换成字典类型
    json_dict = json.loads(json_str)
    print("转换后的类型：", type(json_dict))    
    
    # 遍历字典
    for (k, v) in json_dict.items():
        print(k," : " , v)

# -*- coding:utf-8 -*-

__author__ = '苦叶子'

import json

if __name__ == "__main__":    
    print("字典转json串")

    json_dict = {        
        "name": "开源优测",        
        "url": "www.abc.com",        
        "id": "DeepTest"
    }    
        
    print("原类型：" , type(json_dict))    
    
    # 将字典转换成json串
    # 会被转换成字符串类型
    json_str = json.dumps(json_dict)    
    
    print("转换后的类型：", type(json_str))    
    print(json_str)

# -*- coding:utf-8 -*-

__author__ = '苦叶子'

import json

if __name__ == "__main__":
    print("json串解析高级实例")
    json_demo = """
        {
            "weixin": [
                {
                    "name": "开源优测",
                    "uid": "DeepTest",
                    "desc": "分享开源测试技术"
                },
                {
                    "name": "开源优测_demo",
                    "uid": "DeepTest_demo",
                    "desc": "分享开源测试技术_demo"
                }
            ],
            "web": [
                {
                    "url": "www.abc.com",
                    "name": "开源优测社区",
                    "desc": "分享各类开源测试技巧"
                },
                {
                    "url": "www.abc.com_demo",
                    "name": "开源优测社区_demo",
                    "desc": "分享各类开源测试技巧_demo"
                }
            ]
        }
    """

    # 将json串转换成字典
    json_dict = json.loads(json_demo)

    # 遍历字典
    for (k, v) in json_dict.items():
        # 输出第一层级, k 为 weixin、 web;  v 为 其对应的列表即 [] 中的数据
        print(k,  " : " , v)        
        for data in v:            
            # 遍历列表
            # v 为 []
            for (data_k, data_v) in data.items():                
                # 每个data为[]中的一个字典
                # 遍历列表中的字典
                print("    ",data_k, " : ", data_v)