freeman/pages/rollcall/rollcall.js

const app = getApp();

Page({
  data: {
    students: [],              // 学生名单
    selectedStudent: {},        // 选中的学生
    rankings: [] ,
    currentIndex: 0,
    isAllspot: 0,
    showSolidMode: false,
    indexstudent:0
  },

  onLoad: function() {
    // 假设从全局或云端获取学生数据
    const studentsWithDetails = app.globalData.array.map(student => {
      return {
        ...student,
        displayText: `${student.student_ID} - ${student.name}`  // 格式化学号和姓名
      };
    });
    this.setData({
      students: studentsWithDetails, // 设置格式化后的学生数据
      showSolidMode: false
    });
    app.globalData.currentId = 0;
    app.globalData.front = 0;
    const randomNumber = Math.floor(Math.random()*10) + 1;
    app.globalData.rcount = randomNumber;
  },

  titleClick: function (e) {
    const index = e.currentTarget.dataset.idx;
    this.setData({
        //拿到当前索引并动态改变
        currentIndex: e.currentTarget.dataset.idx
    })
    if (index == 2) {
      this.showRankings();
    }
  },

  switch1Change: function(e) {
    const isAllSpot = e.detail.value;
    this.setData({
      isAllSpot: isAllSpot  // 更新 switch 状态
    });
  },

  beginfront: function() {
    if (this.data.isAllSpot) {
      this.fullSelection();
      // console.log("执行全点");
    } else {
      // 否则执行 fullSelection
      this.randomSelection();
      // console.log("执行抽点");
    }
    wx.navigateTo({
      url: '/pages/card/card',
    })
  },
  // 课前点名 - 抽点
  randomSelection: function() {
    app.globalData.currentId = 0;
    app.globalData.front = 0;
    const randomNumber = Math.floor(Math.random()*10) + 1;
    app.globalData.rcount = randomNumber;
  },
  // 课前点名 - 全点
  fullSelection: function() {
    app.globalData.front = 1;
    app.globalData.rcount = 1;
    app.globalData.currentId = 0;
  },

  // 课中点名 - 随机点名
  beginrandom: function(e) {
    app.globalData.part = 0;
    wx.navigateTo({
      url: '/pages/cardM/cardM',
    })
  },

  beginsolid: function() {
      this.setData({
        showSolidMode: true,   // 设置为 true 来隐藏当前内容并显示新的内容
      });
  },
  retrun1: function() {
      this.setData({
        showSolidMode:false,
      })
  },
  beginsolidgo: function() {
    // console.log(this.data.indexstudent);
    app.globalData.part = 1;
    app.globalData.currentId = this.data.indexstudent;
    wx.navigateTo({
      url:'/pages/cardM/cardM',
    });
  },
  // 课中点名 - 指定点名
  // specifiedRollCall: function() {
  //   app.globalData.part = 1;
  //   this.setData({
  //     showStudentPicker: true 
  //   });
  // },

  // 选择学生
  selectStudent: function(e) {
    const index = e.detail.value;  // 获取选择的学生索引
    const selectedStudent = this.data.students[index];  // 获取选择的学生对象
    app.globalData.currentId = index;
    // console.log(index);
    this.setData({
      selectedStudent: selectedStudent  // 更新选中的学生
    });
    this.setData({
      indexstudent: index
    });
    // console.log(this.data.indexstudent);
    // 进入下一个页面，携带选中学生的信息
    // wx.navigateTo({
    //   url:'/pages/cardM/cardM',
    // });
  },

  handleTap: function () {
    var app = getApp();
    // console.log(app.globalData.fileID);
    wx.showLoading({
        title: '加载中',
    })
    wx.cloud.callFunction({
        name : "generate_excel",
        data : {
            filename : app.globalData.filename,
            fileID : app.globalData.fileID,
            course : app.globalData.course,
            teacher : app.globalData.teacher,
            date : app.globalData.date,
            weekday : app.globalData.weekday,
            start : app.globalData.start,
            end : app.globalData.end
        },
        success(res) {
            console.log(res);
            wx.cloud.downloadFile({
                fileID: res.result.fileID,
                success(res) {
                    wx.hideLoading(),
                    wx.openDocument({
                        filePath: res.tempFilePath,
                        showMenu: true,
                        success: function (res) {
                            console.log(res);
                        }
                    })
                },
                fail(res) {
                    console.log(res);
                }
            })
        }
    })
    
  },

  showRankings: function() {
    // 处理学生没有积分的情况，将没有积分的学生默认积分设为0
    const studentsWithScores = this.data.students.map(student => ({
        ...student,
        score: student.score || 0   // 如果没有 score，设为 0
    }));

    // 按积分降序排序
    const sortedStudents = studentsWithScores.sort((a, b) => b.score - a.score);

    // 创建排行榜数据，包括排名、学号、姓名、积分
    const rankings = sortedStudents.map((student, index) => ({
        rank: index + 1,
        student_ID: student.student_ID,
        name: student.name,
        score: student.score
    }));

    // 更新排行榜数据
    this.setData({
        rankings: rankings  // 更新排行榜数据
    });

    // 进入排行榜页面，并携带排行榜数据
  }


});