将字典转换为JSON数组时出现TypeError [英] TypeError when converting dictionary to JSON array
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问题描述
如何使用一个Python字典,其中的键和值是字符串并将其转换为JSON字符串。
这是我现在所在: p>
import json
def create_simple_meeting(subject,startDate,endDate,location,body):
info = dict()
如果(subject!=):
info [subject] = subject
if(startDate!=):
info [ startDate
如果(endDate!=):
info [endDate] = endDate
if(body!=):
info [身体] = body
if(location!=):
info [location] = location
print(json.dumps(dict))
create_simple_meeting(这是我们的会议的主题,2014-05-29 11:00:00,2014-05-29 12:00:00,Boca Raton,我们一定会遇到up,man)
它给我这个错误
文件/ Users / bens / Documents / workspace /复制ws1为py java播放/ o pias / robot / libs / playing.py,第15行,在create_simple_meeting
print(json.dumps(dict))
文件/System/Library/Frameworks/Python.framework/Versions/2.7/ lib / python2.7 / json / __ init__.py,第243行转储
返回_default_encoder.encode(obj)
文件/System/Library/Frameworks/Python.framework/Versions/2.7/ lib / python2.7 / json / encoder.py,第207行,编码
chunks = self.iterencode(o,_one_shot = True)
文件/System/Library/Frameworks/Python.framework /Versions/2.7/lib/python2.7/json/encoder.py,第270行,iterencode
返回_iterencode(o,0)
文件/System/Library/Frameworks/Python.framework TypeVisions2.7/lib/python2.7/json/encoder.py,第184行默认
raise TypeError(repr(o)+不是JSON可序列化)
TypeError:<输入'dict'>不是JSON序列化
解决方案
您正在尝试序列化 type object, dict
,而不是 info
。转储正确的变量:
print(json.dumps(info))
/ pre>
How do I take a python dictionary where the keys and values are Strings and convert it into a JSON String.
This is what I have right now:
import json def create_simple_meeting(subject, startDate, endDate, location, body): info = dict() if(subject != ""): info["subject"] = subject if(startDate != ""): info["startDate"] = startDate if(endDate != ""): info["endDate"] = endDate if(body != ""): info["body"] = body if(location != ""): info["location"] = location print(json.dumps(dict)) create_simple_meeting("This is the subject of our meeting.","2014-05-29 11:00:00","2014-05-29 12:00:00", "Boca Raton", "We should definitely meet up, man")
And it gives me this error
File "/Users/bens/Documents/workspace/Copy of ws1 for py java playing/opias/robot/libs/playing.py", line 15, in create_simple_meeting print(json.dumps(dict)) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/__init__.py", line 243, in dumps return _default_encoder.encode(obj) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/encoder.py", line 207, in encode chunks = self.iterencode(o, _one_shot=True) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/encoder.py", line 270, in iterencode return _iterencode(o, 0) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/encoder.py", line 184, in default raise TypeError(repr(o) + " is not JSON serializable") TypeError: <type 'dict'> is not JSON serializable
解决方案You are trying to serialise the type object,
dict
, instead ofinfo
. Dump the right variable:print(json.dumps(info))
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