速度很快，但写起来繁，最好加上代理

# -*- coding: utf-8 -*-
#使用requests的方法
import csv
import urllib
import sys,requests
import os
import time
import re
import threading
from selenium import webdriver
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
##进程锁
#lock=threading.Lock()
###############获取csv文件中的行数(暂时不用管它....因为没用上)############
def raw_num(filepath):
    count = 0 
    cs=open("2017.csv","r",errors="ignore")
    reader=csv.reader(cs)
    for index,line in enumerate(reader): 
        count += 1
    cs.close()
    return count
############模拟登陆############
def post_get(html,name,password):    
    #浏览器抓包时accept-charset要求使用的是gbk，但python使用的却是utf-8
    #name=name.encode("gbk")不可以
    grade=1
    name=urllib.parse.quote(name.encode("gbk"))
    #不编码提交不了，这个地方弄了很久
    params="id=%s&name=%s"%(password,name)
    html="http://cet.99sushe.com/getscore"+password
    header={"User-Agent":"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
        "Host":"cet.99sushe.com",
        "Referer":"http://cet.99sushe.com/",
        "Cache-Control":"max-age=0",
        "Content-Length":"36",
        #"cookies":"score=; id=510020162100101",
        "Upgrade-Insecure-Requests":"1",
        "Origin":"http://cet.99sushe.com",
      "Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
        "Accept-Encoding":"gzip, deflate",
        "Content-Type":"application/x-www-form-urlencoded",
        "Accept-Language":"zh-CN,zh;q=0.8",
        "Connection":"keep-alive"}
    r=requests.post(url=html,headers=header,data=params)
    r=r.text
    #print(r)
    time.sleep(1)
    p=re.compile("[0-9]+")
    for i,j in enumerate(p.finditer(r)):
        if(i==5):
            grade=j.group()
    return grade
####################从csv文件读数据############################
def read_out():
    global name 
    global password
    cs=open("2017.csv","r",errors="ignore")
    reader=csv.reader(cs)
    for num,line in enumerate(reader):
        name.append(line[6])
        password.append(line[5])
    #print("准考证号: "+password[len(password)-1]+"  姓名: "+name[len(name)-1])
    cs.close()
#######往csv文件写数据(内嵌爬取网页操作)#########
def write_in(i):
    global writer
    global error
    global lock
    html="http://cet.99sushe.com"
    while(len(password)!=0):
        grade=0
        print("第%d个线程"%i)
        try:
            lock.acquire()
            n=name.pop()
            p=password.pop()
            lock.release()
            grade=post_get(html,n,p)
            print("第%d个线程:"%i)
            print("准考证号: "+p+"  姓名: "+n)
            print(grade)
            lock.acquire()
            writer.writerow([n,p,grade])
            lock.release()
        except Exception as e:
            print("/****error in grade scraping.")
            print("第%d个线程:"%i)
            print("准考证号: "+p+"  姓名: "+n+"****/")
            print(e)
            lock.acquire()
            error.writerow([n,p])
            lock.release()
            continue
###########主函数####################
##存储堆栈
threads=[]
password=[]
name=[]
##读取数据到堆栈
read_out()
##############
###线程个数
thread_num=2
###csv文件指针等.....####
html="http://cet.99sushe.com"
error_file=open("error.csv","w",newline="",errors="ignore")
csv_file=open("result.csv","w",newline="",errors="ignore")
writer=csv.writer(csv_file)
error=csv.writer(error_file)
writer.writerow("空行!")
error.writerow("空行!")
###########多进程部分###############
for i in range(thread_num):
    print("第%d个线程入栈:"%i)
    t=threading.Thread(target=write_in,args=(i,))
    #因为是args=(A,B)所以之前写出arge=(driver)结果炸了
    threads.append(t)
for i in range(thread_num):
    print("start第%d个线程"%i)
    threads[i].start()
for i in range(thread_num):
    threads[i].join()
#####################################
print("一共花了:")
print(time.clock())
csv_file.close()          
error_file.close()