text: var app = getApp();
  function goPlay(lessonId, lessonName, navigation_type, book_id,book_name,disOrder) {
    //console.log("template")
    wx.navigateTo({
      url: `/pages/play/play?navigation_type=${navigation_type}&lessonId=${lessonId}&book_id=${book_id}&lessonName=${lessonName}&disOrder=${disOrder}`
    })
  }
  function toDouble(num){
  	if(num>=10){//大于10
  		return num;
  	}else{//0-9
  		return '0'+num
  	}
  }
  module.exports = {
    goPlay: goPlay,
    toDouble:toDouble
  
  }
  // that.data.lesson_id, that.data.lesson_name, that.data.navigation_type, that.data.book_id, that.data.book_name, that.data.disOrder