python爬蟲百度翻譯

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• python3,爬取的是百度翻譯手機版的網頁
• 運用requests,json模組
• 英漢互譯，運行結果

#!/bin/python3# -*- coding: UTF-8 -*-#=============================================#describe:an en to zh and zh to en translater#version:1#update:2018-08-03#---#author:unihon#E-mail:[email protected]#github:https://github.com/unihon#=============================================import requestsimport jsondef trans():    userAgent = "Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/11.0 Mobile/15A372 Safari/604.1"        header = {            "Host": "fanyi.baidu.com",            "Origin": "http://fanyi.baidu.com",            "User-Agent": userAgent            }    postUrl="http://fanyi.baidu.com/basetrans"    wd = input("please input a word: ")    print(‘-------------------------------‘)    if wd == ‘‘:        trans()        return        for c in wd:        if c < u‘\u4e00‘ or c > u‘\u9fa5‘:            print(‘[en to zh]\n‘)            mdata = {                    "from":"en",                    "to":"zh",                    "query" : wd                    }            break        elif c == wd[-1]:            print(‘[zh to en]\n‘)            mdata = {                    "from":"zh",                    "to":"en",                    "query" : wd                    }    try:        response = requests.post(postUrl, data = mdata, headers = header)    except:        print(‘connect error!‘)        return 1    result = response.text    result=json.loads(result)        if len(result["dict"]) == 0:        print(‘is null‘)    else:        try:            for i in result["dict"]["word_means"]:                print(‘> ‘+ i)        except KeyError:            print(‘key is null‘)if __name__ == "__main__":    print("===============================")    trans()    print("===============================")

• 小結

需要注意的是，爬到的json資料，中文一般是unicode編碼的形式，可以用json模組處理。

python爬蟲百度翻譯