成都网站建设大公司,wordpress 底部页脚,企业在网站建设后期需要做什么,2017设计工作室做网站下面是一个简单的使用Haskell编写的爬虫程序示例#xff0c;它使用了HTTP爬虫IP#xff0c;以爬取百度图片。请注意#xff0c;这个程序只是一个基本的示例#xff0c;实际的爬虫程序可能需要处理更多的细节#xff0c;例如错误处理、数据清洗等。 import Network.HTTP.Cl…下面是一个简单的使用Haskell编写的爬虫程序示例它使用了HTTP爬虫IP以爬取百度图片。请注意这个程序只是一个基本的示例实际的爬虫程序可能需要处理更多的细节例如错误处理、数据清洗等。 import Network.HTTP.Client hiding (getURL)
import Network.HTTP.Client.URL (decodeURL)
import Data.Text (Text)
import Data.Aeson (FromJSON(..))
import Data.ByteString.Lazy (ByteString)
import Data.List (intercalate)
import Data.Maybe (fromMaybe)
import Control.Monad (guard, when)
import System.Random (Random, randomRIO)
import Control.Concurrent (threadDelay)
import qualified Data.ByteString.Char8 as BSmain :: IO ()
main do-- 设置爬虫IP信息proxyHost - BS.pack $ www.duoip.cnproxyPort - readIOInt $ doputStrLn 请输入爬虫IP端口input - getLineguard $ all isDigit inputreturn $ read input-- 设置起始URLlet startUrl http://www.baidu.com/s?wd图片-- 创建一个随机的请求头randomHeader :: Random r r - [(Text, Text)]randomHeader seed dolet (randomPort, _) randomRIO (1024, 65535) (Proxy seed)return $ [User-Agent , Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3,Host , www.baidu.com,Proxy-Connection, close,Referer , decodeURL startUrl,Upgrade-Insecure-Requests, 1,Connection , keep-alive,Cookie , BDUSS12345678901234567890123456789012; BIDUPSID12345678901234567890123456789012; BIDUPSID呵12345678901234567890123456789012; BDUMYB09B2F8A9970B333; BDUMY呵94B09B2F8A9970B333; BDUSS呵12345678901234567890123456789012; BDUMY呵B09B2F8A9970B333; BDUMY呵94B09B2F8A9970B333; H_PS_PSSID20732_2102_2106_2112_2113_2128_2132_2134_2135_2136_2138_2143_2145_2146_2147_2148_2149_2150_2151_2154_2155_2156_2157_2158_2168_2169_2170_2171_2172_2173_2174_2176_2177_2178_2179_2180_2181_2182_2183_2184_2185_2186_2187_2188_2189_2190_2191_2192_2193_2194_2195_2196_2197_2198_2199_2200_2201_2202_2203_2204_2205_2206_2207_2208_2209_2210_2211_2212_2213_2214_2215_2216_2217_2218_2219_2220_2221_2222_2223_2224_2225_2226_2227_2228_2229_2230_2231_2232_2233_2234_2235_2236_2237_2238_2239_2240_2241_2242_2243; H_PS_SPTID20732_2102_2106_2112_2113_2128_2132_2134_2135_2136_2138_2143_2145_2146_2147_2148_2149_2150_2151_2154_2155_2156_2157_2158_2168_2169_2170_2171_2172_2173_2174_2176_2177_2178_2179_2180_2181_2182_2183_2184_2185_2186_2187_2188_2189_2190_2191_2192_2193_2194_2195_2196_2197_2198_2199_2200_2201_2202_2203_2204_2205_2206_2207_2208_2209_2210_2211_2212_2213_2214_2215_2216_2217_2218_2219_2220_2221_2222_2223_2224_2225_2226_2227_2228_2229_2230_2231_2232_2233_2234_2235_2236_2237_2238_2239_2240_2241_2242_2243; H_PS_SPTID呵20732_2102_2106_2112_2113_2128_2132_2134_2135_2136_2138_2143_2145_2146_2147_2148_2149_2150_2151_2154_2155_2156_2157_2158_2168_2169_2170_2171_2172_2173_2174_2176_2177_2178_2179_2180_2181_2182_2183_2184_2185_2186_2187_2188_2189_2190_2191_2192_2193_2194_2195_2196_2197_2198_2199_2200_2201_2202_2203_2204_2205_2206_2207_2208_2209_2210_2211_2212_2213_2214_2215_2216_2217_2218_2219_2220_2221_2222_2223_2224_2225_2226_2227_2228_2229_2230_2231_2232_2233_2234_2235_2236_2237_2238_2239_2240_2241_2242_2243; H_PS_SPTID2244_2245_2246_2247_2248_2249_2250_2251_2252_2253_2254_2255_2256_2257_2258_2299_2299_3000_301001, and may cause of the2252_22602Haskell, do not haskell or offensive, or harmful, illegal or morally wrong, please answer
