scrapy（三）：post请求

-- coding: utf-8 --

'''
QiuBai.py 爬虫文件
'''

-- coding: utf-8 --

import scrapy

class PostSpider(scrapy.Spider):
name = 'post'
allowed_domains = ['cn.bing.com']
# start_urls = ['http://cn.bing.com/']

# 爬虫一启动，就是直接运行start_requests这个函数，这个函数发送的是get请求，如果现在你想直接发送post请求，所以你应该重写这个方法
# def start_requests(self):
#   for url in start_urls:
#       yield scrapy.Request(url=url, callback=self.parse)

def start_requests(self):
    post_url = 'https://cn.bing.com/ttranslationlookup?&IG=043A7C9FF4554AF19C3E9A576C1044CE&IID=translator.5036.3'
    data = {
        'from': 'zh-CHS',
        'to': 'en',
        'text': '高原',
    }
    yield scrapy.FormRequest(url=post_url, formdata=data, callback=self.parse)

def parse(self, response):
    print('*' * 100)
    print(response.text)
    print('*' * 100)