====== crawlingPeopleRelatedWeiboOriginalPost(pid, person_name) ======
===== Description =====
Extract people related original weibo post from sina weibo and insert to database.
===== Parameters =====
^  Parameter  ^  Necessity  ^  Type  ^  Description  ^
|  pid  |  required  |  int  |  person id  |
|  person_name  |  required  |  string  |  person name need to crawl  |

===== Output =====
^ Parameters ^ Type ^ Description ^
| status | string | show the crawler running status |

===== Implementation =====
  - masterStart(). Create multiple processes to begin crawling data.
  - wapLogIn(). Log in sina Account.
  - weiBoWapSearch(person_name, pid). Use person name and person id to search person related weibo
    * extractTopic(person_name, person_id ). Extract weibo text and insert to database.

===== Related Work =====
None
===== Issues About The Crawler =====
  - Sina Weibo API is not not so effective, it need to be authorized but the crawler would not pass sina's examine and verify. 
  - Using browser’s cookies to log in sina account.
  - Using the url weibo.cn instead of www.weibo.com to crawl data, because the latter one’s tweet data is sealed in javascript and it’s difficult to extract.
  - Using multiple proxies to prevent sina block our ip.
  - For speeding up the crawler, using multiple processes and accounts.