# -*- coding: utf-8 -*-
import scrapy
from weather.items import WeatherItem
from scrapy.http import Request


class WeatherSpider(scrapy.Spider):
    name = "myweather"
    allowed_domains = ["http://xjh.haitou.cc/nj/uni-21"]
    start_urls = ["http://xjh.haitou.cc/nj/uni-21/page-2"]

    url="http://xjh.haitou.cc"

    def parse(self, response):
        item = WeatherItem()
        preachs=response.xpath('//table[@id="mainInfoTable"]/tbody/tr')
        for preach in preachs:
            item['corp']=preach.xpath('.//div[@class="text-success company"]/text()').extract()
            item['date']=preach.xpath('.//span[@class="hold-ymd"]/text()').extract()
            item['location']=preach.xpath('.//td[@class="text-ellipsis"]/span/text()').extract()
            item['click']=preach.xpath('.//td[@class="text-right"]/text()').extract()
            yield item

        nextlink=response.xpath('//li[@class="next"]/a/@href').extract()

        if nextlink:
            link=nextlink[0]
            print "##############"
            print self.url+link
            print "##############"

            yield Request(self.url+link,callback=self.parse )

 ##############
http://xjh.haitou.cc/nj/uni-21/page-3
##############
2015-10-23 22:05:57 [scrapy] DEBUG: Filtered offsite request to 'xjh.haitou.cc': <GET http://xjh.haitou.cc/nj/uni-21/page-3>
2015-10-23 22:05:57 [scrapy] INFO: Closing spider (finished)
2015-10-23 22:05:57 [scrapy] INFO: Dumping Scrapy stats:
{'downloader/request_bytes': 261,
 'downloader/request_count': 1,
 'downloader/request_method_count/GET': 1,
 'downloader/response_bytes': 10508,
 'downloader/response_count': 1,
 'downloader/response_status_count/200': 1,
 'finish_reason': 'finished',
 'finish_time': datetime.datetime(2015, 10, 23, 14, 5, 57, 9032),
 'item_scraped_count': 20,
 'log_count/DEBUG': 23,
 'log_count/INFO': 7,
 'offsite/domains': 1,
 'offsite/filtered': 1,
 'request_depth_max': 1,
 'response_received_count': 1,
 'scheduler/dequeued': 1,
 'scheduler/dequeued/memory': 1,
 'scheduler/enqueued': 1,
 'scheduler/enqueued/memory': 1,
 'start_time': datetime.datetime(2015, 10, 23, 14, 5, 56, 662979)}
2015-10-23 22:05:57 [scrapy] INFO: Spider closed (finished)