回答編集履歴
7
修正
test
CHANGED
|
@@ -96,8 +96,6 @@
|
|
|
96
96
|
|
|
97
97
|
page = agent.get("https://teratail.com/feed/active/#{i + 1}")
|
|
98
98
|
|
|
99
|
-
break
|
|
100
|
-
|
|
101
99
|
end
|
|
102
100
|
|
|
103
101
|
rescue Mechanize::ResponseCodeError
|
6
修正
test
CHANGED
|
@@ -53,3 +53,87 @@
|
|
|
53
53
|
|
|
54
54
|
|
|
55
55
|
```
|
|
56
|
+
|
|
57
|
+
|
|
58
|
+
|
|
59
|
+
追記
|
|
60
|
+
|
|
61
|
+
```Ruby
|
|
62
|
+
|
|
63
|
+
require 'mechanize'
|
|
64
|
+
|
|
65
|
+
require 'csv'
|
|
66
|
+
|
|
67
|
+
|
|
68
|
+
|
|
69
|
+
agent = Mechanize.new
|
|
70
|
+
|
|
71
|
+
agent.user_agent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)'
|
|
72
|
+
|
|
73
|
+
+ ' AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36'
|
|
74
|
+
|
|
75
|
+
|
|
76
|
+
|
|
77
|
+
urls = []
|
|
78
|
+
|
|
79
|
+
|
|
80
|
+
|
|
81
|
+
begin
|
|
82
|
+
|
|
83
|
+
page = agent.get('https://teratail.com/')
|
|
84
|
+
|
|
85
|
+
|
|
86
|
+
|
|
87
|
+
1.step do |i|
|
|
88
|
+
|
|
89
|
+
page.css('.C-questionFeedItemTitle > a').each do |a|
|
|
90
|
+
|
|
91
|
+
urls << 'https://teratail.com' + a['href']
|
|
92
|
+
|
|
93
|
+
end
|
|
94
|
+
|
|
95
|
+
sleep(rand(3..5))
|
|
96
|
+
|
|
97
|
+
page = agent.get("https://teratail.com/feed/active/#{i + 1}")
|
|
98
|
+
|
|
99
|
+
break
|
|
100
|
+
|
|
101
|
+
end
|
|
102
|
+
|
|
103
|
+
rescue Mechanize::ResponseCodeError
|
|
104
|
+
|
|
105
|
+
# Do Nothing
|
|
106
|
+
|
|
107
|
+
end
|
|
108
|
+
|
|
109
|
+
|
|
110
|
+
|
|
111
|
+
if urls.any?
|
|
112
|
+
|
|
113
|
+
lines = urls.map do |url|
|
|
114
|
+
|
|
115
|
+
sleep(rand(3..5))
|
|
116
|
+
|
|
117
|
+
page = agent.get(url)
|
|
118
|
+
|
|
119
|
+
[page.css('.p-questionHead__ttl').text.encode('cp932')]
|
|
120
|
+
|
|
121
|
+
end
|
|
122
|
+
|
|
123
|
+
CSV.open("file.csv", "wb") do |csv|
|
|
124
|
+
|
|
125
|
+
lines.each { |line| csv << line }
|
|
126
|
+
|
|
127
|
+
end
|
|
128
|
+
|
|
129
|
+
end
|
|
130
|
+
|
|
131
|
+
|
|
132
|
+
|
|
133
|
+
```
|
|
134
|
+
|
|
135
|
+
参考
|
|
136
|
+
|
|
137
|
+
[class CSV](https://docs.ruby-lang.org/ja/latest/class/CSV.html)
|
|
138
|
+
|
|
139
|
+
[CSV を文字コード変換しつつロード](https://qiita.com/labocho/items/8559576b71642b79df67)
|
5
修正
test
CHANGED
|
@@ -26,7 +26,7 @@
|
|
|
26
26
|
|
|
27
27
|
page.css('.article-title > a').each do |a|
|
|
28
28
|
|
|
29
|
-
urls << a
|
|
29
|
+
urls << a['href']
|
|
30
30
|
|
|
31
31
|
end
|
|
32
32
|
|
|
@@ -46,6 +46,8 @@
|
|
|
46
46
|
|
|
47
47
|
puts page.css('.article-title > a').text
|
|
48
48
|
|
|
49
|
+
sleep(rand(3..5))
|
|
50
|
+
|
|
49
51
|
end
|
|
50
52
|
|
|
51
53
|
|
4
修正
test
CHANGED
|
@@ -44,7 +44,7 @@
|
|
|
44
44
|
|
|
45
45
|
page = agent.get(url)
|
|
46
46
|
|
|
47
|
-
puts page.css('.article-title > a').text
|
|
47
|
+
puts page.css('.article-title > a').text
|
|
48
48
|
|
|
49
49
|
end
|
|
50
50
|
|
3
修正
test
CHANGED
|
@@ -30,7 +30,7 @@
|
|
|
30
30
|
|
|
31
31
|
end
|
|
32
32
|
|
|
33
|
-
break
|
|
33
|
+
break if page.css('.paging-next').empty?
|
|
34
34
|
|
|
35
35
|
sleep(rand(3..5))
|
|
36
36
|
|
2
修正
test
CHANGED
|
@@ -26,7 +26,7 @@
|
|
|
26
26
|
|
|
27
27
|
page.css('.article-title > a').each do |a|
|
|
28
28
|
|
|
29
|
-
urls << a.attributes[
|
|
29
|
+
urls << a.attributes['href'].text
|
|
30
30
|
|
|
31
31
|
end
|
|
32
32
|
|
1
修正
test
CHANGED
|
@@ -1,4 +1,4 @@
|
|
|
1
|
-
|
|
1
|
+
記事一覧をすべて取得して各ページのタイトルを表示するクローラー。
|
|
2
2
|
|
|
3
3
|
```Ruby
|
|
4
4
|
|
|
@@ -32,9 +32,9 @@
|
|
|
32
32
|
|
|
33
33
|
break unless page.css('.paging-next')
|
|
34
34
|
|
|
35
|
+
sleep(rand(3..5))
|
|
36
|
+
|
|
35
37
|
page = page.link_with(text: '次のページ').click
|
|
36
|
-
|
|
37
|
-
sleep(rand(3..5))
|
|
38
38
|
|
|
39
39
|
end
|
|
40
40
|
|