b站评论爬取

var userData = {};

var startPage = 0;

var endPage = 0;

var startTime = "";

var endTime = "";

var pickSum = 0;

var dateItem = new Date();

function StartDraw(_startPage, _endPage, _startTime, _endTime, _pickSum)

{

  startPage = _startPage;

  endPage = _endPage;

  startTime = _startTime;

  endTime = _endTime;

  pickSum = _pickSum;

  GetUserData();

}

function GetUserData()

{

  GetOneData(startPage, endPage);

}

function callback(data)

{

}

function GetOneData(page, maxPage)

{

  urlLocationParams = window.location.pathname.split("/");

  avID = urlLocationParams[urlLocationParams.length - 1].split("av")[1];

  var url = "https://api.bilibili.com/x/v2/reply?callback=callback&jsonp=jsonp&pn=" + page + "&type=1&oid=" + avID + "&sort=0&_=" + dateItem.getTime();

  $.ajax({

    url: url,

    type: 'get',

    dataType: 'jsonp',

    jsonpCallback: 'callback',

    success: function (data) {

      console.log(data);

      for (var j = 0; j < data.data.replies.length; j++) {

        var reply = data.data.replies[j];

        if (reply.ctime >= get_unix_time_stamp(startTime)

          && reply.ctime < get_unix_time_stamp(endTime)) {

          userData[reply.mid] = {};

          userData[reply.mid].uid = reply.mid;

          userData[reply.mid].floor = reply.floor;

          userData[reply.mid].name = reply.member.uname;

          userData[reply.mid].content = reply.content.message;

        }

      }

      page += 1;

      if (page <= maxPage)

      {

        GetOneData(page, maxPage)

      }

      else

      {

        PickUser();

      }

    }

  });

}

function PickUser()

{

  userList = [];

  for (var user in userData)

  {

    userList.push(user);

  }

  shuffle(userList);

  for (var i = 0; i < pickSum; i++)

  {

    console.log(userData[userList[i]])

  }

}

function get_unix_time_stamp(strtime)

{

  if (strtime) {

    var date = new Date(strtime);

  } else {

    var date = new Date();

  }

  time = date.getTime() / 1000;

  return time;

}

function shuffle(array) {

  length = array.length;

  for (var index = 0; index < array.length; index++)

  {

    var temp = array[index];

    var changeIndex = RandomNumBoth(0, length - 1);

    array[index] = array[changeIndex];

    array[changeIndex] = temp;

  }

}

function RandomNumBoth(Min,Max){

  var Range = Max - Min;

  var Rand = Math.random();

  var num = Min + Math.round(Rand * Range);

  return num;

}