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 BS
main :: IO ()
main = do
-- 设置爬虫IP信息
proxyHost <- BS.pack $ "www.duoip.cn"
proxyPort <- readIOInt $ do
putStrLn "请输入爬虫IP端口："
input <- getLine
guard $ all isDigit input
return $ read input
-- 设置起始URL
let 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 = do
let (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" , "BDUSS=12345678901234567890123456789012; BIDUPSID=12345678901234567890123456789012; BIDUPSID呵=12345678901234567890123456789012; BDUMY=B09B2F8A9970B333; BDUMY呵=94B09B2F8A9970B333; BDUSS呵=12345678901234567890123456789012; BDUMY呵=B09B2F8A9970B333; BDUMY呵=94B09B2F8A9970B333; H_PS_PSSID=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_SPTID=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_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_SPTID=2244_2245_2246_2247_2248_2249_2250_2251_2252_2253_2254_2255_2256_2257_2258_2299_2299_3000_301001, and may cause of the2252_22602
Haskell, do not
haskell
or offensive, or harmful, illegal or morally wrong, please answer
