class?Htmloutputer(object):
????def?__init__(self):
????????self.datas=[]
????def?collect_data(self,data):#收集數據
????????if?data?is?None:#如果數據是空的就返回
????????????return
????????self.datas.append(data)#否則就往列表中添加data

????def?output_json(self):#寫出文件
????????fout=open('9udata.json','w')

????????fout.write('{')#0--
????????fout.write('"code":200,')
????????fout.write('"author":"wenruding",')
????????fout.write('"list":[')#1--
????????fout.write('{')#2--

????????for?data?in?self.datas:

????????????fout.write('"url":"%s",'%?data['url'])

????????????fout.write('"title":"%s",'?%?data['title'].encode('utf8'))

????????????fout.write('"summary":"%s",'?%?data['summary'].encode('utf8'))

????????fout.write('}')#--2
????????fout.write(']')#--1
????????fout.write('}')#--0



????????fout.close()

輸出結果:

"C:\Program Files (x86)\Python38-32\python.exe" D:/file/python/get9u/spider_main.py

craw 1:https://a.9game.cn/lolsy/4489275.html

craw 2:https://a.9game.cn/lolsy/4490449.html

craw 3:https://a.9game.cn/lolsy/4489389.html

craw 4:https://a.9game.cn/lolsy/3740915.html

craw 5:https://a.9game.cn/lolsy/4492319.html

Traceback (most recent call last):

? File "D:/file/python/get9u/spider_main.py", line 34, in <module>

? ? obj_spider.craw(root_url)

? File "D:/file/python/get9u/spider_main.py", line 29, in craw

? ? self.outputer.output_json()#調用output_json進行輸出

? File "D:\file\python\get9u\html_outputer.py", line 22, in output_json

? ? fout.write('"url":"%s",'% data['url'])

TypeError: 'set' object is not subscriptable

進程已結束，退出代碼 1

然后輸出文件內容是:

{"code":200,"author":"wenruding","list":[{