Ví dụ Python Script trả về một boolean nếu một chuỗi là json hợp lệ:import json
def is_json(myjson):
try:
json.loads(myjson)
except ValueError as e:
return False
return True
Bản in nào: print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
Chuyển đổi chuỗi JSON thành Từ điển Python: import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
Chuyển đổi đối tượng Python thành Chuỗi JSON: foo = {}
foo['gummy'] = 'bear'
print(json.dumps(foo)) #prints {"gummy": "bear"}
Nếu bạn muốn truy cập vào phân tích cú pháp cấp thấp, đừng tự cuộn, hãy sử dụng thư viện hiện có: http://www.json.org/ Hướng dẫn tuyệt vời về mô -đun Python JSON: https://pymotw.com/2/json/ Là chuỗi JSON và hiển thị lỗi cú pháp và thông báo lỗi:sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
Prints: , or } expected while parsing object/hash, at character offset 28 (before "bar}
at /usr/local/bin/json_xs line 183, <STDIN> line 1.
json_xs có khả năng kiểm tra cú pháp, phân tích cú pháp, prittifying, mã hóa, giải mã và nhiều hơn nữa:
https://metacpan.org/pod/json_xs Đưa ra một chuỗi python, nhiệm vụ là kiểm tra xem chuỗi có phải là đối tượng JSON hợp lệ hay không. Hãy để cố gắng hiểu vấn đề bằng cách sử dụng các ví dụ khác nhau. Ví dụ 1: Chuỗi JSON không hợp lệ do báo giá không chính xác trong chuỗi Invalid JSON String due to incorrect quotes in StringsPython3print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
0 print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
1print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
2print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
3 print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
4print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
5 print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
6print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
7print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
8print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
9import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
0import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
1import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
22print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
3 import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
4import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
1print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
5 print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
6import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
8import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
9foo = {}
foo['gummy'] = 'bear'
print(json.dumps(foo)) #prints {"gummy": "bear"}
0 foo = {}
foo['gummy'] = 'bear'
print(json.dumps(foo)) #prints {"gummy": "bear"}
1import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
1print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
5 print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
6foo = {}
foo['gummy'] = 'bear'
print(json.dumps(foo)) #prints {"gummy": "bear"}
5import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
9Output: initial string {'akshat' : 1, 'nikhil' : 2}
Is valid json? false Giải thích: Trong ví dụ trên, chuỗi là một JSON không hợp lệ bởi vì, các ký tự chuỗi được đặt trong các trích dẫn đơn (), nhưng theo lược đồ JSON hợp lệ, các chuỗi phải được đặt trong các trích dẫn kép (Hồi). In the above example, the string is an invalid JSON because, the string characters the enclosed in single quotes (‘), but as per valid JSON schema, strings must be enclosed in double quotes (“). Ví dụ 2: Ví dụ về chuỗi JSON hợp lệPython3print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
0 print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
1foo = {}
foo['gummy'] = 'bear'
print(json.dumps(foo)) #prints {"gummy": "bear"}
9 sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
0import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
1print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
5print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
6sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
4sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
5import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
1print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
9import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
0sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
9, or } expected while parsing object/hash, at character offset 28 (before "bar}
at /usr/local/bin/json_xs line 183, <STDIN> line 1.
0sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
9print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
5print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
6, or } expected while parsing object/hash, at character offset 28 (before "bar}
at /usr/local/bin/json_xs line 183, <STDIN> line 1.
4import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
9import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
1foo = {}
foo['gummy'] = 'bear'
print(json.dumps(foo)) #prints {"gummy": "bear"}
0 , or } expected while parsing object/hash, at character offset 28 (before "bar}
at /usr/local/bin/json_xs line 183, <STDIN> line 1.
8sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
9print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
5print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
6initial string {'akshat' : 1, 'nikhil' : 2}
Is valid json? false 2import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
9sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
9initial string {'akshat' : 1, 'nikhil' : 2}
Is valid json? false 5 initial string {'akshat' : 1, 'nikhil' : 2}
Is valid json? false 6initial string {'akshat' : 1, 'nikhil' : 2}
Is valid json? false 7initial string {'akshat' : 1, 'nikhil' : 2}
Is valid json? false 8import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
9initial string {'akshat' : 1, 'nikhil' : 2}
Is valid json? false 7JSON String: {"name":"John", "age":31, "Salary":2500000}
Is valid?: True
JSON String: { "Subjects": {"Maths":85.01, "Physics":90}}
Is valid?: True
JSON String: {"success": true}
Is valid?: True 1import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
9initial string {'akshat' : 1, 'nikhil' : 2}
Is valid json? false 7JSON String: {"name":"John", "age":31, "Salary":2500000}
Is valid?: True
JSON String: { "Subjects": {"Maths":85.01, "Physics":90}}
Is valid?: True
JSON String: {"success": true}
Is valid?: True 4import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
9Output: JSON String: {"name":"John", "age":31, "Salary":2500000}
Is valid?: True
JSON String: { "Subjects": {"Maths":85.01, "Physics":90}}
Is valid?: True
JSON String: {"success": true}
Is valid?: True Ví dụ 3: Kiểm tra tính hợp lệ cho chuỗi JSON đa dòngỞ đây chúng tôi đã lấy một mẫu, chuỗi Python đa dòng và chúng tôi sẽ cố gắng kiểm tra tính hợp lệ của chuỗi đối với chuỗi JSON hợp lệ hoặc không. Mặc dù chuỗi này chứa nhiều lần phá vỡ, nhưng vẫn có thể phân tích chuỗi này.json.JSONDecoder able to parse this String. Python3print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
0 print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
1foo = {}
foo['gummy'] = 'bear'
print(json.dumps(foo)) #prints {"gummy": "bear"}
9 sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
0import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
1print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
5print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
6sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
4sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
5import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
1print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
9import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
0sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
9, or } expected while parsing object/hash, at character offset 28 (before "bar}
at /usr/local/bin/json_xs line 183, <STDIN> line 1.
0sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
9print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
5print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
6, or } expected while parsing object/hash, at character offset 28 (before "bar}
at /usr/local/bin/json_xs line 183, <STDIN> line 1.
4import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
9import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
1foo = {}
foo['gummy'] = 'bear'
print(json.dumps(foo)) #prints {"gummy": "bear"}
0 , or } expected while parsing object/hash, at character offset 28 (before "bar}
at /usr/local/bin/json_xs line 183, <STDIN> line 1.
8sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
9print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
5print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
6initial string {'akshat' : 1, 'nikhil' : 2}
Is valid json? false 2import json
mydict = json.loads('{"foo":"bar"}')
print(mydict['foo']) #prints bar
mylist = json.loads("[5,6,7]")
print(mylist)
[5, 6, 7]
9sudo cpan JSON::XS
echo '{"foo":[5,6.8],"foo":"bar" bar}' > myjson.json
json_xs -t none < myjson.json
9initial string {'akshat' : 1, 'nikhil' : 2}
Is valid json? false 5 initial string {'akshat' : 1, 'nikhil' : 2}
Is valid json? false 6print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
06print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
3print is_json("{}") #prints True
print is_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('{"foo":[5,6.8],"foo":"bar"}') #prints True
08Output: JSON String:
{
"Person": [
{"name": "P_1", "age": 42},
{"name": "P_2", "age": 21},
{"name": "P_3", "age": 36}
],
"location": "1.1.0",
"Country": "IND"
}
Is valid?: True
Làm thế nào để bạn kiểm tra xem một đối tượng là JSON hợp lệ?
Cách đơn giản nhất để kiểm tra xem JSON có hợp lệ không phải là tải JSON vào Công việc hoặc Jarray và sau đó sử dụng phương pháp IsValid (JToken, JSchema) với lược đồ JSON.Để nhận được thông báo lỗi xác thực, sử dụng isValid (Jtoken, JSchema, Ilist) hoặc xác nhận (JToken, JSchema, SchemavalidationEventhandler).load the JSON into a JObject or JArray and then use the IsValid(JToken, JSchema) method with the JSON Schema. To get validation error messages use the IsValid(JToken, JSchema, IList ) or Validate(JToken, JSchema, SchemaValidationEventHandler) overloads.
Làm cách nào để kiểm tra xem tệp JSON có hợp lệ trong Python không?
Xác thực tệp JSON với câu trả lời mã Python.. Nhập JSON .. def parse (tên tệp):. với Open (tên tệp) là F:. trả lại json.Tải (F). ngoại trừ valueError là e:. In ('Json không hợp lệ:' + Tên tệp).
Làm thế nào để bạn kiểm tra xem chuỗi JSON có hợp lệ hay không?
Kết quả với chuỗi JSON hợp lệ: var input = '["foo", "thanh", {"foo": "bar"}]';testjson (đầu vào);// trả về đúng;Kết quả với một chuỗi đơn giản;var input = 'Đây không phải là chuỗi JSON. |