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<p>我想从数据库中读取数据,然后创建一个json格式并将其返回到python web服务器(web.py)</p>
<p>类型错误:需要字符串或缓冲区</p>
<p>在加载和加载之间切换也会转储和转储(我不明白为什么)。正如你所了解的,我对python和json格式都很陌生,如果你能帮我解决这个问题,我会非常感激(看到很多关于这个问题的文章,但仍然不知道该怎么做)</p>
<pre><code>def ara_json(str):
web.header('Content-Type','application/json; charset=utf-8', unique=True)
cnx = mysql.connector.connect(user='arda', password='1', database='worddb')
cursor = cnx.cursor()
sqlq = "SELECT * FROM names WHERE name = '%s'" %str
cursor.execute(sqlq)
rows = cursor.fetchall()
result=[]
for row in rows:
d = dict()
d['name'] = row[0]
d['type'] = row[1]
result.<a href="https://www.cnpython.com/list/append" class="inner-link">append</a>(d)
subjects = json.loads(result).read()
return json.dump(subjects , indent=4)
class json_isimbul:
def GET(self,isim):
web.header('Content-Type','application/json; charset=utf-8', unique=True)
isim = isim.lower()
return ara_json(isim)
</code></pre>
<hr/>
<pre><code>Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/web.py-0.37-py2.7.egg/web/application.py", line 239, in process
return self.handle()
File "/usr/local/lib/python2.7/dist-packages/web.py-0.37-py2.7.egg/web/application.py", line 230, in handle
return self._delegate(fn, self.fvars, args)
File "/usr/local/lib/python2.7/dist-packages/web.py-0.37-py2.7.egg/web/application.py", line 420, in _delegate
return handle_class(cls)
File "/usr/local/lib/python2.7/dist-packages/web.py-0.37-py2.7.egg/web/application.py", line 396, in handle_class
return tocall(*args)
File "/home/arda/Downloads/arda/tmp/tornado/ps/sa2.py", line 98, in GET
return ara_json(isim)
File "/home/arda/Downloads/arda/tmp/tornado/ps/sa2.py", line 53, in ara_json
subjects = json.loads(result).read()
File "/usr/lib/python2.7/json/__init__.py", line 338, in loads
return _default_decoder.decode(s)
File "/usr/lib/python2.7/json/decoder.py", line 366, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
TypeError: expected string or buffer
</code></pre>