import?json
import?itertools
import?urllib
import?requests
import?os
import?re
import?sys
download_path?=?“dataset/“

str_table?=?{
????‘_z2C$q‘:?‘:‘
????‘_z&e3B‘:?‘.‘
????‘AzdH3F‘:?‘/‘
}

char_table?=?{
????‘w‘:?‘a(chǎn)‘
????‘k‘:?‘b‘
????‘v‘:?‘c‘
????‘1‘:?‘d‘
????‘j‘:?‘e‘
????‘u‘:?‘f‘
????‘2‘:?‘g‘
????‘i‘:?‘h‘
????‘t‘:?‘i‘
????‘3‘:?‘j‘
????‘h‘:?‘k‘
????‘s‘:?‘l‘
????‘4‘:?‘m‘
????‘g‘:?‘n‘
????‘5‘:?‘o‘
????‘r‘:?‘p‘
????‘q‘:?‘q‘
????‘6‘:?‘r‘
????‘f‘:?‘s‘
????‘p‘:?‘t‘
????‘7‘:?‘u‘
????‘e‘:?‘v‘
????‘o‘:?‘w‘
????‘8‘:?‘1‘
????‘d‘:?‘2‘
????‘n‘:?‘3‘
????‘9‘:?‘4‘
????‘c‘:?‘5‘
????‘m‘:?‘6‘
????‘0‘:?‘7‘
????‘b‘:?‘8‘
????‘l‘:?‘9‘
????‘a(chǎn)‘:?‘0‘
}

#?str?的translate方法需要用單個字符的十進制unicode編碼作為key
#?value?中的數(shù)字會被當成十進制unicode編碼轉(zhuǎn)換成字符
#?也可以直接用字符串作為value
char_table?=?{ord（key）:?ord（value）?for?key?value?in?char_table.items（）}
#?解碼圖片URL
def?decode（url）:
????#?先替換字符串
????for?key?value?in?str_table.items（）:
????????url?=?url.replace（key?value）
????#?再替換剩下的字符
????return?url.translate（char_table）

#?生成網(wǎng)址列表
def?buildUrls（word）:
????word?=?urllib.parse.quote（word）
????url?=?r“http://image.baidu.com/search/acjson?tn=resultjson_com&ipn=rj&ct=201326592&fp=result&queryWord={word}&cl=2&lm=-1&ie=utf-8&oe=utf-8&st=-1&ic=0&word={word}&face=0&istype=2nc=1&pn={pn}&rn=60“
????urls?=?（url.format（word=word?pn=x）?for?x?in?itertools.count（start=0?step=60））
????return?urls

#?解析JSON獲取圖片URL
re_url?=?re.compile（r‘“objURL“:“（.*?）“‘）

def?resolveImgUrl（html）:
????imgUrls?=?[decode（x）?for?x?in?re_url.findall（html）]
????return?imgUrls

def?downImg（imgUrl?dirpath?imgName）:
????filename?=?os.path.join（dirpath?imgName）
????try:
????????res?=?requests.get（imgUrl?timeout=15）
????????if?str（res.status_code）[0]?==?“4“:
????????????print（str（res.status_code）?“:“??imgUrl）
????????????return?False
????except?Exception?as?e:
????????print（“?This?is?Exception：“?imgUrl）
????????print（e）
????????return?False

????with?open（filename?“wb“）?as?f:
????????f.write（res.content）
????return?True


def?mkDir（dirName）:
????#dirpath?=?os.path.join（sys.path[0]?dirName）
????dirpath?=?os.path.join（download_path?dirName）
????if?not?os.path.exists（dirpath）:
????????os.mkdir（dirpath）
????return?dirpath

def?crawl_data（urls）:
????index?=?0
????for?url?in?urls:
????????print（“requesting：“?url）
????????html?=?requests.get（url?timeout=10）.content.decode（‘utf-8‘）
????????imgUrls?=?resolveImgUrl（html）

????????if?len（imgUrls）?==?0:??#?沒有圖片則結(jié)束
????????????break
????????for?url?in?imgUrls:
????????????if?downImg（url?dirpath?str（index）?+?“.jpg“）:
????????????????index?+=?1
????????????????print（“Downloaded?%s?picture“?%?index）
????????????????if?index==10:#最大下載圖片數(shù)
????????????????????return
????return

if?__name__?==?‘__main__‘:
????print（“Welcome?!!!?\n?Now?it?only?one?word“）
????print（“Download?in?results“）
????print（“=“?*?50）
????word?=?input（“Please?input?your?word:\n“）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????404??2018-11-19?17:42??spider_images\.idea\inspectionProfiles\Project_Default.xml

?????文件????????204??2018-11-15?15:43??spider_images\.idea\misc.xml

?????文件????????273??2018-11-14?18:29??spider_images\.idea\modules.xml

?????文件??????24723??2018-11-19?18:26??spider_images\.idea\workspace.xml

?????文件??????16883??2018-11-19?12:49??spider_images\download.log

?????文件???????3576??2018-11-19?18:14??spider_images\down_baidu_img.py

?????文件???????2691??2018-11-19?18:14??spider_images\down_bing_img.py

?????文件???????3054??2018-11-19?18:22??spider_images\down_google_img.py

?????文件?????399336??2018-11-19?14:24??spider_images\Firefox-latest.exe

?????文件???16976488??2018-10-04?13:18??spider_images\geckodriver.exe

?????文件???????8497??2018-11-19?18:23??spider_images\geckodriver.log

?????文件????????410??2018-11-15?15:43??spider_images\spider_images.iml

?????文件?????????55??2018-11-15?15:39??spider_images\venv\Lib\site-packages\easy-install.pth

?????文件??????????1??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\EGG-INFO\dependency_links.txt

?????文件?????????98??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\EGG-INFO\entry_points.txt

?????文件??????????2??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\EGG-INFO\not-zip-safe

?????文件???????2972??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\EGG-INFO\PKG-INFO

?????文件?????????74??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\EGG-INFO\requires.txt

?????文件??????12502??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\EGG-INFO\SOURCES.txt

?????文件??????????4??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\EGG-INFO\top_level.txt

?????文件??????14014??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\pip\_internal\basecommand.py

?????文件???????8764??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\pip\_internal\baseparser.py

?????文件???????2773??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\pip\_internal\build_env.py

?????文件???????7023??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\pip\_internal\cache.py

?????文件??????16679??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\pip\_internal\cmdoptions.py

?????文件???????1500??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\pip\_internal\commands\check.py

?????文件???????3018??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\pip\_internal\commands\completion.py

?????文件???????7343??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\pip\_internal\commands\configuration.py

?????文件???????9092??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\pip\_internal\commands\download.py

?????文件???????3320??2018-11-15?15:39??spider_images\venv\Lib\site-packages\pip-10.0.1-py3.7.egg\pip\_internal\commands\freeze.py

............此處省略387個文件信息