study_wxapp/pages/train/orderTest/answer.js

let app = getApp()
const util = require("../../../utils/util")
Page({
  data: {
    id:0,
    groupId:0,
    preList:["A","B","C", "D", "E", "F"],
    info:{},
    total:0,
    unfinish:0,
    answerId:0,
    index:0,
    maxIndex:0,
    type:1,
    showResult: false,
    answerMap:{},
    showResult: false,
    isConfirm: false,
    types:{
      1:'判断题',
      2:'单选题',
      3:'多选题',
      4:'案例题'
    },
    groupId:0
  },
  onLoad: function(options) {
    let id = +options.id||0;
    let groupId = +options.groupId||0;
    let type = +options.type||1;
    let total = +options.count ||0;
    let index = +options.index ||-1;
    let maxIndex=index;
    this.setData({ id, type, total, index,groupId,maxIndex});
  },
  onChange(event){
    const showResult = event.detail.value;
    let {info, index, maxIndex} = this.data;
    if( index > maxIndex) {
      util.showMsg("这题还未做过");
      return;
    }
    if( showResult ) {
      info.select = info.result;
    }else{
      info.select = 0
    }
    this.setData({showResult, info})
  },
  onShow: function(){
    app.checkLogin( userInfo =>{
      this.setData({userInfo, index:-1})
      this.loadAnswer()
    })
  },
  loadAnswer(  ){
    let {groupId, type, showResult} = this.data;
    let param = {groupId, type, index: this.data.index};
    app.formPost('Exam.LoadAnswerLimitNew', param).then(res => {
      if (res.code ==200) {
        let {unfinish, info, total, maxIndex, index} = res.data
        let answerId = info&&info.answerId||0;
        if( showResult) info.select = info.result;
        this.setData({unfinish, total, info,index, answerId, maxIndex})
        wx.pageScrollTo({
          scrollTop: 0
        })
      }
    })
  },
  radioChange( e ){
    let cid=e.currentTarget.dataset.cid;
    let info = this.data.info
    info.select = +e.detail.value
    if( info.child ){
      info.child[cid].select = +e.detail.value
    }
    this.setData( {info} );
  },
  checkboxChange( e ){
    let cid=e.currentTarget.dataset.cid;
    let info = this.data.info
    info.select = +e.detail.value.sort().join("")
    let result = ""+info.result
    if (info.select == result ){
      info._select = true
    }else{
      for( let i in e.detail.value){
        if(result.indexOf( e.detail.value[i] )==-1 ){
          info._select = true
        }
      }
    }
    if( info.child ){
      info.child[cid].select = info.select
    }
    this.setData( {info} );
  },
  restartAnswer(){
    this.setData({index:0, showResult:false})
    this.loadAnswer()
  },
  prevAnswer( e ){
    let {index}= this.data
    if( index <= 0 ) {
      util.showMsg("已经在第一题")
      return
    }
    index--;
    this.setData({index,isConfirm:false})
    this.loadAnswer()
  },
  nextAnswer( e ){
    let {index, maxIndex, total,isConfirm}= this.data
    if( index >= total-1 ) {
      util.showMsg("已经最后一题")
      return;
    }
    if( index >= maxIndex && !isConfirm){
      util.showMsg("还未作答");
      return;
    }
    index++;
    this.setData({index,isConfirm:false})
    this.loadAnswer()
  },
  confirmAnswer(){
    let {id, groupId, type,answerId, index} = this.data
    let param ={id, groupId, answerId, index, type};
    app.formPost('Exam.finishAnswerLimitNew', param).then( res=>{
      if( res.code == 200){
        this.setData({isConfirm:true})
      }
    })
  }
})