python爬虫：案例一：360指数

#coding=utf-8
import sys
reload(sys)
sys.setdefaultencoding( "utf-8" )
import urllib
from selenium import webdriver

class Qh():
    def pc(seif,name,date='7'):
       ＃时间默认7天，参数’30’为三十天，’201603|201605’为自定时月份
        url_name=urllib.quote(name)
        ＃urllib.quote( )将中文url编码
        url='http://index.so.com/#trend?q='+url_name+'&t='+date
        driver = webdriver.PhantomJS() 
        ＃webdriver.PhantomJS() 调用PhantomJS浏览器 
        driver.get(url)
        sszs=driver.find_element_by_xpath('//*[@id="bd_overview"]/div[2]/table/tbody/tr/td[1]').text
        sszshb=driver.find_element_by_xpath('//*[@id="bd_overview"]/div[2]/table/tbody/tr/td[2]').text
        sszstb=driver.find_element_by_xpath('//*[@id="bd_overview"]/div[2]/table/tbody/tr/td[3]').text
       ＃搜索指数，搜索指数环比，搜索指数同比(均为全国数据)
        driver.quit
       ＃quit( )关闭
        return sszs+'|'+sszshb+'|'+sszstb
        

s=Qh()
print s.pc('欢乐颂')
print s.pc('欢乐颂','30')
print s.pc('欢乐颂','201603|201605')

{"status":0,"data":[{"query":"\u6b22\u4e50\u9882","data":{"week_year_ratio":">1000%","month_year_ratio":">1000%","week_chain_ratio":"31.52%","month_chain_ratio":">1000%","week_index":97521,"month_index":47646}}],"msg":false}

#coding=utf-8
import sys
reload(sys)
sys.setdefaultencoding( "utf-8" )
import urllib
from selenium import webdriver

class Qh():
    def pc(seif,name,dq='全国'):
        url_name=urllib.quote(name)
        dq_name=urllib.quote(dq)
        url='http://index.so.com/index.php?a=overviewJson&q='+url_name+'&area='+dq_name
        driver = webdriver.PhantomJS() 
        driver.get(url)
        json=driver.find_element_by_xpath('/html/body/pre').text
        driver.quit
        return json

s=Qh()
print s.pc('欢乐颂')
print s.pc('欢乐颂','浙江')

{"status":0,"data":[{"query":"\u6b22\u4e50\u9882","data":{"week_year_ratio":">1000%","month_year_ratio":">1000%","week_chain_ratio":"36.28%","month_chain_ratio":">1000%","week_index":1392286,"month_index":657310}}],"msg":false}
{"status":0,"data":[{"query":"\u6b22\u4e50\u9882","data":{"week_year_ratio":">1000%","month_year_ratio":">1000%”,"week_chain_ratio":"31.52%","month_chain_ratio":">1000%","week_index":97521,"month_index":47646}}],"msg":false}