Python解析json字符串
问题分析
解析一个json字符串并将其所以key和value提取出来置于list当众,首先不得不对json的格式进行分析,以下则是个人的一个分析过程:

源码
def read(obj,key):
collect = list()
for k in obj:
v = obj[k]
if isinstance(v,str) or isinstance(v,unicode):
if key==‘‘:
collect.append({k:v})
else:
collect.append({str(key)+"."+k:v})
elif isinstance(v,int):
if key==‘‘:
collect.append({k:v})
else:
collect.append({str(key)+"."+k:v})
elif isinstance(v,bool):
if key==‘‘:
collect.append({k:v})
else:
collect.append({str(key)+"."+k:v})
elif isinstance(v,dict):
collect.extend(read(v,k))
elif isinstance(v,list):
collect.extend(readList(v,key))
return collect
def readList(obj,key):
collect = list()
for index,item in enumerate(obj):
for k in item:
v = item[k]
if isinstance(v,str) or isinstance(v,unicode):
collect.append({key+"["+str(index)+"]"+"."+k:v})
elif isinstance(v,int):
collect.append({key+"["+str(index)+"]"+"."+k:v})
elif isinstance(v,bool):
collect.append({key+"["+str(index)+"]"+"."+k:v})
elif isinstance(v,dict):
collect.extend(read(v,key+"["+str(index)+"]"))
elif isinstance(v,list):
collect.extend(readList(v,key+"["+str(index)+"]"))
return collect
示例
import json
jsonStr = ‘{"num":1,"boo":true,"obj":{"sex":"boy","age":20},"result":[{"name":"saas","leverl":[{"name":"english","mark":99}],"id":"336efba7-259d-4057-ae1e-679e81419cd7","module":"life"}]}‘
ojt = json.loads(jsonStr)
print read(ojt,‘‘)
#输出结果
[{u‘num‘: 1}, {u‘obj.age‘: 20}, {u‘obj.sex‘: u‘boy‘}, {u‘[0].module‘: u‘life‘}, {u‘[0].name‘: u‘saas‘}, {u‘[0][0].name‘: u‘english‘}, {u‘[0][0].mark‘: 99}, {u‘[0].id‘: u‘336efba7-259d-4057-ae1e-679e81419cd7‘}, {u‘boo‘: True}]
文章来自:http://my.oschina.net/crazyharry/blog/338350