[zz]python 中使用json

http://summerbell.javaeye.com/blog/361934

 

首先从python.org/pypi/python-json下载python-json, 然后安装。

解压zip包 然后把json.py minjson.py 拷到 /usr/lib/python2.5/下面就行了。

怎样使用请看：

或者如下简单例子：

import json



s = '[{"name":"niaochao","point":{"lat":"39.990","lng":"116.397"},"desc":"aoyunhuizhuchangdi"},{"name":"beidapingpangqiuguan","point":{"lat":"39.988","lng":"116.315"},"desc":"pingpangqiubisaichangdi"},{"name":"beijinggongrentiyuchang","point":{"lat":"39.930","lng":"116.446"},"desc":"zuqiubisaichangdi"}]'



locations = json.read(s)

print str(len(locations))

for location in locations:

    print location["name"]

    print location["point"]["lat"]

import json

 

s = '[{"name":"niaochao","point":{"lat":"39.990","lng":"116.397"},"desc":"aoyunhuizhuchangdi"},{"name":"beidapingpangqiuguan","point":{"lat":"39.988","lng":"116.315"},"desc":"pingpangqiubisaichangdi"},{"name":"beijinggongrentiyuchang","point":{"lat":"39.930","lng":"116.446"},"desc":"zuqiubisaichangdi"}]'

 

locations = json.read(s)

print str(len(locations))

for location in locations:

    print location["name"]

    print location["point"]["lat"]

 

对象是一个无序的“‘名称/值’对”集合。一个对象以“{”（左括号）开始，“}”（右括号）结束。每个“名称”后跟一个“:”（冒号）；“‘名称/值’ 对”之间使用“,”（逗号）分隔。

import json
d = {}
d['name'] = 'Beijing'
d['phone'] = '45738903'
d['age'] = 30
print "Dictionary Object:"
print d
print "JSON Data:"
print json.write(d)

输出结果：
Dictionary Object:
{'phone': '45738903', 'age': 30, 'name': 'Beijing'}
JSON Data:
{"phone":"45738903","age":30,"name":"Beijing"}