擅长:python、mysql、java
<p>从Json.loads()返回的Json的行为与本地python列表/字典类似:</p>
<pre><code>import json
with open("your_json_file.txt", 'r') as f:
data = json.loads(f.read()) #data becomes a dictionary
#do things with data here
data['ADDED_KEY'] = 'ADDED_VALUE'
#and then just write the data back on the file
with open("your_json_file.txt", 'w') as f:
f.write(json.dumps(data, sort_keys=True, indent=4, separators=(',', ': ')))
#I added some options for pretty printing, play around with them!
</code></pre>
<p>更多信息请查看<a href="https://docs.python.org/3.4/library/json.html" rel="noreferrer">the official doc</a></p>