Google Chrome ブラウザ拡張機能_JavaScript スキル開発に関する注意事項

/*
 * author:清明雨上
 * date:2016-1-5
 */
var mydate = function() {
  //time2-time1
  function getTimeDiff(time1, time2) {
    var st1 = time1.split(':');
    var st2 = time2.split(':');
    return ((st2[0] | 0) * 60 + (st2[1] | 0)) - ((st1[0] | 0) * 60 + (st1[1] | 0) * 1);
  }

  var timeList = [];
  var mymain = window.parent.frames['Main'].document.getElementById('ctl00_cphMain_CalendarAC');
  var listAC = mymain.getElementsByClassName('listAC');
  for (var i = 0; i < listAC.length; i++) {
    var item = listAC[i];
    var t = {};
    t.timeSpan = item.getElementsByTagName('td')[1].innerText;
    t.remark = item.getElementsByTagName('td')[2].innerText;
    timeList.push(t);
  };

  var totalMin = 0;
  var noworkDays = 0; //请假天数
  var workDays = 0; //实际上班天数
  var workHourEveryday = [];
  var no8h = 0; //未满8小时天数
  var over20 = 0; //20点以后下班天数
  var over21 = 0; //21点以后下班天数
  var over22 = 0; //22点以后下班天数
  var over23 = 0; //23点以后下班天数
  for (var i = 0; i < timeList.length; i++) {
    var time = timeList[i];
    if (time.remark != '无') {
      noworkDays++;
      continue;
    }
    if (time.timeSpan == '无刷卡记录')
      continue;

    var splitTime = time.timeSpan.split('~');
    if (splitTime.length == 2) {
      //正常上下班
      var begin = splitTime[0];
      var end = splitTime[1];
      var thisMin = getTimeDiff(begin, end);
      totalMin += thisMin;
      workDays++;
      if (thisMin / 60 < 8) {
        workHourEveryday.push('<font color="red"><b style="font-size:15px">' + parseInt(thisMin / 60) + '</b>.' + thisMin % 60 + '</font>');
        no8h++;
      } else {
        workHourEveryday.push('<b style="font-size:15px">' + parseInt(thisMin / 60) + '</b>.' + thisMin % 60);
        var offworkHour = parseInt(end.split(':')[0]);
        if (offworkHour >= 20) {
          over20++;
        }
        if (offworkHour >= 21) {
          over21++;
        }
        if (offworkHour >= 22) {
          over22++;
        }
        if (offworkHour >= 23) {
          over23++;
        }
      }
    }
  };
  var myHour = parseInt(totalMin / 60); //本月工作累计小时数
  var otherMin = totalMin % 60; //本月工作出小时部分外的分钟数
  var avgHourOneDay = workDays == 0 &#63; '0.0' : '<b style="font-size:15px">'+(parseInt(myHour / workDays) + '</b>.' + (parseInt((myHour % workDays) * 60 / workDays) + parseInt(otherMin / workDays))); //平均每天工作时长

  var html = '<div class="alectest" style="background: #cbebfb;padding:7px;">\
        <div>出勤时间：<b style="font-size:15px;color:red">' + myHour + '</b>小时<font color="red">' + otherMin + '</font>分钟（平均<font color="red">' + avgHourOneDay + '</font>小时/天）</div>\
        <div>参考时间：' + workDays * 8 + '小时【' + workDays + '天】（除去请假和节假日，实际有打卡记录的天数）</div>\
        <div>请假/外出天数：' + noworkDays + '天</div>\
        <div>每天工作时间(格式：小时.分钟)：' + workHourEveryday.join('，') + '</div>\
        <div>未满8小时天数：<b style="font-size:15px">' + no8h + '</b>天</div>\
        <div>20点以后下班天数：<b style="font-size:15px">' + over20 + '</b>天</div>\
        <div>21点以后下班天数：<b style="font-size:15px">' + over21 + '</b>天</div>\
        <div>22点以后下班天数：<b style="font-size:15px">' + over22 + '</b>天</div>\
        <div>23点以后下班天数：<b style="font-size:15px">' + over23 + '</b>天</div>\
       </div>'
  var alectest = mymain.parentNode.getElementsByClassName('alectest');
  if (alectest.length > 0) {
    // mymain.parentNode.removeChild(alectest[0]);
    alectest[0].innerHTML = html;
  } else {
    var div = document.createElement("div");
    div.innerHTML = html;
    var fragement = document.createDocumentFragment();
    while (div.childNodes[0]) {
      fragement.appendChild(div.childNodes[0]);
    }
    mymain.parentNode.insertBefore(fragement, mymain);
  }
  bindBtnClick();
}
var bindBtnClick = function() {
  window.parent.frames['Main'].document.getElementById('ctl00_cphTop_BtnQuery').addEventListener('click', function() {
    var inter = setInterval(function() {
      if (window.parent.frames['Main'].document.getElementById('ctl00_cphMain_CalendarAC') &&
        window.parent.frames['Main'].document.getElementById('ctl00_UpMaster').style.display == 'none') {
        clearInterval(inter);
        mydate();
      }
    }, 500);
  }, false);
}
bindBtnClick();

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