程序使用说明：
　1.打开\Sina_spider1\Sina_spider1\
　2.将spiders.py用notepad++或Python 2.7编辑
　3.在以下程序后输入从淘宝购买的新浪微博账号及密码
　　 class Spider(CrawlSpider):
　　　 name = "sinaSpider"
　　　 host = "http://weibo.cn"
　　　 start_urls = [
　4.运行\Sina_spider1\begin.py
　5.开始爬取，最终数据存取为text2.txt(Program instructions:

1. open \Sina_spider1\Sina_spider1\

2. edit spiders.py with notepad++ or Python 2.7

3. input Sina micro-blog account and password purchased from Taobao after the following program

Class Spider (CrawlSpider):

Name = "sinaSpider""

Host = "http://weibo.cn""

Start_urls = [

4. run \Sina_spider1\begin.py

5. start crawling, the final data access to text2.txt)