打開(kāi)攜程網(wǎng)，查詢機(jī)票，如廣州到成都。

成都創(chuàng)新互聯(lián)是少有的做網(wǎng)站、成都網(wǎng)站制作、營(yíng)銷型企業(yè)網(wǎng)站、微信小程序、手機(jī)APP,開(kāi)發(fā)、制作、設(shè)計(jì)、買鏈接、推廣優(yōu)化一站式服務(wù)網(wǎng)絡(luò)公司,從2013年開(kāi)始,堅(jiān)持透明化,價(jià)格低,無(wú)套路經(jīng)營(yíng)理念。讓網(wǎng)頁(yè)驚喜每一位訪客多年來(lái)深受用戶好評(píng)

這時(shí)網(wǎng)址為：http://flights.ctrip.com/booking/CAN-CTU-day-1.html?DDate1=2018-06-15

其中，CAN 表示廣州，CTU 表示成都，日期 “2018-06-15”就比較明顯了。一般的爬蟲(chóng)，只有替換這幾個(gè)值，就可以遍歷了。但觀察發(fā)現(xiàn)，有個(gè)鏈接可以看到當(dāng)前網(wǎng)頁(yè)的所有json格式的數(shù)據(jù)。如下

http://flights.ctrip.com/domesticsearch/search/SearchFirstRouteFlights?DCity1=CAN&ACity1=CTU&SearchType=S&DDate1=2018-06-15（后面省略……）

同樣可以看到城市和日期，該連接打開(kāi)的是 json 文件，里面存儲(chǔ)的就是當(dāng)前頁(yè)面的數(shù)據(jù)。顯示如下，其中 "fis" 則是航班信息。

每一次爬取只要替換城市代碼和日期即可，城市代碼自己手動(dòng)整理了一份：

city={"YIE":"阿爾山","AKU":"阿克蘇","RHT":"阿拉善右旗","AXF":"阿拉善左旗","AAT":"阿勒泰","NGQ":"阿里","MFM":"澳門" 
,"AQG":"安慶","AVA":"安順","AOG":"鞍山","RLK":"巴彥淖爾","AEB":"百色","BAV":"包頭","BSD":"保山","BHY":"北海","BJS":"北京" 
,"DBC":"白城","NBS":"白山","BFJ":"畢節(jié)","BPL":"博樂(lè)","CKG":"重慶","BPX":"昌都","CGD":"常德","CZX":"常州" 
,"CHG":"朝陽(yáng)","CTU":"成都","JUH":"池州","CIF":"赤峰","SWA":"潮州","CGQ":"長(zhǎng)春","CSX":"長(zhǎng)沙","CIH":"長(zhǎng)治","CDE":"承德" 
,"CWJ":"滄源","DAX":"達(dá)州","DLU":"大理","DLC":"大連","DQA":"大慶","DAT":"大同","DDG":"丹東","DCY":"稻城","DOY":"東營(yíng)" 
,"DNH":"敦煌","DAX":"達(dá)縣","LUM":"德宏","EJN":"額濟(jì)納旗","DSN":"鄂爾多斯","ENH":"恩施","ERL":"二連浩特","FUO":"佛山" 
,"FOC":"福州","FYJ":"撫遠(yuǎn)","FUG":"阜陽(yáng)","KOW":"贛州","GOQ":"格爾木","GYU":"固原","GYS":"廣元","CAN":"廣州","KWE":"貴陽(yáng)" 
,"KWL":"桂林","HRB":"哈爾濱","HMI":"哈密","HAK":"?？?,"HLD":"海拉爾","HDG":"邯鄲","HZG":"漢中","HGH":"杭州","HFE":"合肥" 
,"HTN":"和田","HEK":"黑河","HET":"呼和浩特","HIA":"淮安","HJJ":"懷化","TXN":"黃山","HUZ":"惠州","JXA":"雞西","TNA":"濟(jì)南" 
,"JNG":"濟(jì)寧","JGD":"加格達(dá)奇","JMU":"佳木斯","JGN":"嘉峪關(guān)","SWA":"揭陽(yáng)","JIC":"金昌","KNH":"金門","JNZ":"錦州" 
,"CYI":"嘉義","JHG":"景洪","JSJ":"建三江","JJN":"晉江","JGS":"井岡山","JDZ":"景德鎮(zhèn)","JIU":"九江","JZH":"九寨溝","KHG":"喀什" 
,"KJH":"凱里","KGT":"康定","KRY":"克拉瑪依","KCA":"庫(kù)車","KRL":"庫(kù)爾勒","KMG":"昆明","LXA":"拉薩","LHW":"蘭州","HZH":"黎平" 
,"LJG":"麗江","LLB":"荔波","LYG":"連云港","LPF":"六盤水","LFQ":"臨汾","LZY":"林芝","LNJ":"臨滄","LYI":"臨沂","LZH":"柳州" 
,"LZO":"瀘州","LYA":"洛陽(yáng)","LLV":"呂梁","JMJ":"瀾滄","LCX":"龍巖","NZH":"滿洲里","LUM":"芒市","MXZ":"梅州","MIG":"綿陽(yáng)" 
,"OHE":"漠河","MDG":"牡丹江","MFK":"馬祖" ,"KHN":"南昌","NAO":"南充","NKG":"南京","NNG":"南寧","NTG":"南通","NNY":"南陽(yáng)" 
,"NGB":"寧波","NLH":"寧蒗","PZI":"攀枝花","SYM":"普洱","NDG":"齊齊哈爾","JIQ":"黔江","IQM":"且末","BPE":"秦皇島","TAO":"青島" 
,"IQN":"慶陽(yáng)","JUZ":"衢州","RKZ":"日喀則","RIZ":"日照","SYX":"三亞","XMN":"廈門","SHA":"上海","SZX":"深圳","HPG":"神農(nóng)架" 
,"SHE":"沈陽(yáng)","SJW":"石家莊","TCG":"塔城","HYN":"臺(tái)州","TYN":"太原","YTY":"泰州","TVS":"唐山","TCZ":"騰沖","TSN":"天津" 
,"THQ":"天水","TGO":"通遼","TEN":"銅仁","TLQ":"吐魯番","WXN":"萬(wàn)州","WEH":"威海","WEF":"濰坊","WNZ":"溫州","WNH":"文山" 
,"WUA":"烏海","HLH":"烏蘭浩特","URC":"烏魯木齊","WUX":"無(wú)錫","WUZ":"梧州","WUH":"武漢","WUS":"武夷山","SIA":"西安","XIC":"西昌" 
,"XNN":"西寧","JHG":"西雙版納","XIL":"錫林浩特","DIG":"香格里拉(迪慶)","XFN":"襄陽(yáng)","ACX":"興義","XUZ":"徐州","HKG":"香港" 
,"YNT":"煙臺(tái)","ENY":"延安","YNJ":"延吉","YNZ":"鹽城","YTY":"揚(yáng)州","LDS":"伊春","YIN":"伊寧","YBP":"宜賓","YIH":"宜昌" 
,"YIC":"宜春","YIW":"義烏","INC":"銀川","LLF":"永州","UYN":"榆林","YUS":"玉樹(shù)","YCU":"運(yùn)城","ZHA":"湛江","DYG":"張家界" 
,"ZQZ":"張家口","YZY":"張掖","ZAT":"昭通","CGO":"鄭州","ZHY":"中衛(wèi)","HSN":"舟山","ZUH":"珠海","WMT":"遵義(茅臺(tái))","ZYI":"遵義(新舟)"} 

本文標(biāo)題：Python爬取攜程所有機(jī)票的實(shí)例代碼-創(chuàng)新互聯(lián)
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