擅长:python、mysql、java
<p>必须将<code>json</code>转换为<code>dict</code>,然后{<cd3>}与{<cd4>}相同。在</p>
<pre><code>import json
a = json.dumps({"Name": "Robert",
"Date" : "January 17th, 2017",
"Address" : "Jakarta"})
for key in json.loads(a):
print(key)
</code></pre>
<p>输出:</p>
^{pr2}$
<p><strong>可选</strong>:</p>
<p>如果要访问每个项的值</p>
<pre><code>import json
a = json.dumps({"Name": "Robert",
"Date" : "January 17th, 2017",
"Address" : "Jakarta"})
d = json.loads(a)
for key in d:
print("key: {}, value: {}".format(key, d[key]))
</code></pre>
<p><strong>Python2</strong></p>
<pre><code>for key, value in json.loads(a).iteritems():
print("key: {}, value: {}".format(key, value))
</code></pre>
<p><strong>Python3</strong></p>
<pre><code>for key, value in json.loads(a).items():
print("key: {}, value: {}".format(key, value))
</code></pre>
<p>输出:</p>
<pre><code>key: Name, value: Robert
key: Date, value: January 17th, 2017
key: Address, value: Jakarta
</code></pre>