const app = require('../../utils/util.js');
const tools = require('../../utils/tools.js');
Page({
  data: {
    isRz: false,
    showMore: false, //更多
    showzs: false, //证书显示
    show: false, //协议显示
    notice: "暂无未读通知",
    classInfo: {}, //班级信息
    kcArr: [], //课程列表
    sfmArr: [], //换算时分秒数组
    studentName: "", //学生名字
    status: '', //状态
    myCanvasId: 0, //画布id
    byzsbj: "../../images/zsbj.jpg", //结业证背景  用于合成图片
    IngCourseArr: [], //如果有正在进行的课就存一下
    istask: false, //判断班级群是否添加
    istask1: false, //学员登记表是否完成
    istask2: false, //课程是否完成
    istask3: false, //期末考试是否完成
    istask4: false, //综合反馈是否完成
    currentId: null,
    currentName: ""
  },
  // 查询我是否认证
  isRz(sessionKey) {
    wx.request({
      url: app.globalData.publicUrl + '/wx/student/selStudentSessionKey',
      method: "post",
      data: {
        sessionKey
      },
      success: (res) => {
        if (res.data.code == 0 && (res.data.data !== null || res.data.data !== "")) {
          this.setData({
            isRz: false
          })
          this.isClass(sessionKey)
        } else {
          this.setData({
            isRz: true
          })
        }
      }
    })
  },
  escRz() {
    wx.switchTab({
      url: '/pages/index/index',
    })
  },
  goRz() {
    wx.navigateTo({
      url: '/pages/Identity/Identity',
    })
  },
  // 查询我是否有班&&班级名字
  isClass(sessionKey) {
    wx.request({
      url: app.globalData.publicUrl + '/wx/student/selMyClas',
      method: "post",
      data: {
        sessionKey
      },
      success: (res) => {
        if (res.data.code == 0) {
          this.setData({
            classInfo: res.data.data
          })
          this.isAgree(sessionKey);
          this.getMynotice(sessionKey);
          this.getMycourse(sessionKey);
          this.checkTaskList(sessionKey);
          this.checkTaskList3(sessionKey, res.data.data.id);
          this.checkTaskList4(sessionKey, res.data.data.id);
        } else {
          if (res.data.msg == "运行时异常:学员不可同时存在两个班级中。") {
            wx.showModal({
              content: "学员不可同时存在多个班级中哦",
              showCancel: false,
              success(res) {
                if (res.confirm) {
                  wx.switchTab({
                    url: '../index/index'
                  })
                }
              }
            })
            return false;
          } else {
            wx.showModal({
              content: "您当前还没有正在开放的班级！",
              showCancel: false,
              success(res) {
                if (res.confirm) {
                  wx.switchTab({
                    url: '../index/index'
                  })
                }
              }
            })
            return false;
          }
        }
      }
    })
  },
  // 协议是否已同意  
  isAgree(sessionKey) {
    wx.request({
      url: app.globalData.publicUrl + '/wx/student/selStudentSessionKey',
      method: "post",
      data: {
        sessionKey
      },
      success: (res) => {
        if (res.data.code == 0 && res.data.data) {
          if (res.data.data.agreement == 0) {
            this.setData({
              studentName: res.data.data.studentName,
              show: false
            });
          } else {
            this.setData({
              studentName: res.data.data.studentName,
              show: true
            });
          }
        }
      }
    })
  },
  // 点击同意协议 并且记一下
  hidePopup() {
    wx.request({
      url: app.globalData.publicUrl + '/wx/student/verification',
      method: "post",
      data: {
        sessionKey: this.data.sessionKey
      },
      success: (res) => {
        this.setData({
          show: false
        });
      }
    })
  },
  moreThink() {
    wx.switchTab({
      url: '../index/index'
    })
  },
  // 检查班级群是否加了 && 学员登记任务check
  checkTaskList(sessionKey) {
    wx.request({
      url: app.globalData.publicUrl + '/wx/student/selStudentSessionKey',
      method: "post",
      data: {
        sessionKey
      },
      success: (res) => {
        if (res.data.code == 0) {
          console.log(res)
          this.setData({
            studentName: res.data.data.studentName,
          })
          if (res.data.data.joinClas == 0) {
            this.setData({
              istask: true
            })
          }
          if (res.data.data.register == 0) {
            this.setData({
              istask1: true
            })
          }
        }
      }
    })
  },
  // 期末考试任务检查
  checkTaskList3(sessionKey, id) {
    wx.request({
      url: app.globalData.publicUrl + '/wx/exam/clasExamstatus',
      method: "post",
      data: {
        sessionKey: sessionKey,
        clasId: id
      },
      success: (res) => {
        if (res.data.code == 0 && res.data.status == 1) {
          this.setData({
            istask3: true
          })
        }
      }
    })
  },
  // 综合反馈任务check
  checkTaskList4(sessionKey, id) {
    wx.request({
      url: app.globalData.publicUrl + '/wx/exam/status',
      method: "post",
      data: {
        sessionKey: sessionKey,
        clasId: id
      },
      success: (res) => {
        if (res.data.code == 0 && res.data.status == 1) {
          this.setData({
            istask4: true
          })
        }
      }
    })
  },
  // 页面上显示的我的未读通知
  getMynotice(sessionKey) {
    wx.request({
      url: app.globalData.publicUrl + '/wx/eduNoticeSee/list',
      method: "post",
      data: {
        sessionKey: sessionKey,
        isSee: 1
        // isNotice: 0
      },
      success: (res) => {
        if (res.data.code == 0) {
          if (res.data.list && res.data.list.length !== 0)
            this.setData({
              notice: res.data.list[0].noticeContent
            });
        }
      }
    })
  },
  // 跳转通知页
  gomyNotice() {
    wx.navigateTo({
      url: '../myNotice/myNotice'
    })
  },
  // 学员登记表
  goWrite() {
    if (this.data.classInfo.id == -1) {
      wx.navigateTo({
        url: '../studentRegistration/studentRegistration'
      })
    } else {
      if (!this.data.istask) {
        wx.showModal({
          showCancel: false,
          content: "请先去扫描二维码加入班级群吧",
          success(res) {
            if (res.confirm) {
              wx.switchTab({
                url: '../myMission/myMission'
              })
            }
          }
        })
        return false
      }
      wx.navigateTo({
        url: '../studentRegistration/studentRegistration'
      })
    }
  },
  // 学院介绍
  toAdd1() {
    wx.navigateTo({
      url: '../schoolIntrouce/schoolIntrouce'
    })
  },
  // 学员名单
  toAdd2() {
    wx.navigateTo({
      url: '../studentList/studentList?id=' + this.data.classInfo.id
    })
  },
  // 项目组名单
  toAdd3() {
    wx.navigateTo({
      url: '../groupsList/groupsList'
    })
  },
  // 我的课程
  getMycourse(sessionKey) {
    wx.request({
      url: app.globalData.publicUrl + '/wx/course/selectBySessionKey',
      method: "post",
      data: {
        sessionKey: sessionKey
      },
      success: (res) => {
        console.log(res, "我的课程")
        this.setData({
          kcArr: res.data.list,
          istask2: res.data.allDone,
          currentName: "",
          currentId: null
        });
        for (let i = 0; i < res.data.list.length; i++) {
          if (res.data.list[i].isLive == -1) {
            // 这个节课未全部完成
            if (res.data.list[i].isDone == "0") {
              // 这个视频已经进行了 看一半或者看完了
              if (res.data.list[i].isStudyDone == 0 || res.data.list[i].isStudyDone == 1) {
                this.setData({
                  currentName: res.data.list[i].courseName,
                  currentId: res.data.list[i].id
                })
              }
            }
          }
        }
        let result = [];
        if (res.data.list)
          for (let i = 0; i < res.data.list.length; i++) {
            result.push({
              courseTime: res.data.list[i].courseTime
            });
          }
        const timesArr = result.map((item) => {
          return item.courseTime;
        });
        let sfmArr = [];
        for (let i = 0; i < timesArr.length; i++) {
          let value = timesArr[i];
          const resultValue = this.handler(value);
          sfmArr.push({
            courseTime: resultValue
          })
          this.setData({
            sfmArr: sfmArr
          })
        }
      }
    })
  },
  // 时间换算
  handler(value) {
    //换算为秒 进制1000
    const second = Math.floor(value / 1000); //判断是否够1秒
    if (second < 1) {
      return "0秒";
    }
    const secondValue = second % 60; // 秒
    const minutes = Math.floor(second / 60); //判断是否够1分钟
    if (minutes < 1) {
      return `${secondValue}秒`;
    }
    const minutesValue = minutes % 60; //分
    const hours = Math.floor(minutes / 60); //判断是否够1小时
    if (hours < 1) {
      return `${minutesValue}分${secondValue}秒`;
    }
    const hoursValue = hours % 60; //小时
    return `${hoursValue}时${minutesValue}分${secondValue}秒`;
  },
  // 查看更多列表展开
  listToggle: function () {
    this.setData({
      showMore: !this.data.showMore
    })
  },
  // 去学习
  goStudy(e) {
    let id = e.currentTarget.dataset.item.id //此课程的id
    let courseUrl = e.currentTarget.dataset.item.courseUrl //此课程的id
    let courseName = e.currentTarget.dataset.item.courseName //此课程的id
    let courseInfo = e.currentTarget.dataset.item.courseInfo //此课程的id
    if (this.data.classInfo.id == -1) {
      if (e.currentTarget.dataset.item.isLive == 1) {
        if (e.currentTarget.dataset.item.isActive == 1) {
          wx.navigateTo({
            url: '../zbDetails/zbDetails?id=' + id
          })
        } else if (e.currentTarget.dataset.item.isActive == -1) {
          if (courseUrl == null || courseUrl == "") {
            wx.showModal({
              showCancel: false,
              content: "直播回放还未上传噢"
            })
          } else {
            wx.navigateTo({
              url: '../livePlayback/livePlayback?courseName=' + courseName + '&courseUrl=' + courseUrl + '&courseInfo=' + courseInfo
            })
          }
        } else {
          wx.showModal({
            showCancel: false,
            content: "直播还未开始哦"
          })
          return false;
        }
      } else {
        wx.navigateTo({
          url: '../dbDetails/dbDetails?id=' + id
        })
      }
    } else {
      console.log(this.data.istask)
      if (!this.data.istask) {
        wx.showModal({
          showCancel: false,
          content: "请先去扫描二维码加入班级群吧",
          success(res) {
            if (res.confirm) {
              wx.switchTab({
                url: '../myMission/myMission'
              })
            }
          }
        })
        return false
      }
      if (!this.data.istask1) {
        wx.showModal({
          showCancel: false,
          content: "请先填写学员登记表再来学习哦！"
        })
        return false
      }
      // 直播
      if (e.currentTarget.dataset.item.isLive == 1) {
        if (e.currentTarget.dataset.item.isActive == 1) {
          wx.navigateTo({
            url: '../zbDetails/zbDetails?id=' + id
          })
        } else if (e.currentTarget.dataset.item.isActive == -1) {
          if (courseUrl == null || courseUrl == "") {
            wx.showModal({
              showCancel: false,
              content: "直播回放还未上传噢"
            })
          } else {
            wx.navigateTo({
              url: '../livePlayback/livePlayback?courseName=' + courseName + '&courseUrl=' + courseUrl + '&courseInfo=' + courseInfo
            })
          }
        } else {
          wx.showModal({
            showCancel: false,
            content: "直播还未开始哦"
          })
          return false;
        }
      } else {
        if (this.data.currentId != null) {
          // 没学或者没学完
          if (e.currentTarget.dataset.item.isDone == 0) {
            if (id == this.data.currentId) {
              wx.navigateTo({
                url: '../dbDetails/dbDetails?id=' + id
              })
            } else {
              // 有未完成的但不是我 就不能跳转
              wx.showModal({
                showCancel: false,
                content: "您的" + this.data.currentName + "课还未学完,快去学习吧"
              })
            }
          } else {
            // 我看完了这个视频 还能看
            wx.navigateTo({
              url: '../dbDetails/dbDetails?id=' + id
            })
          }
        } else {
          wx.navigateTo({
            url: '../dbDetails/dbDetails?id=' + id
          })
        }
      }
    }
  },
  // 去考试
  gokhAnswer(e) {
    wx.showLoading({
      mask: true,
      title: '加载中',
    })
    if (this.data.classInfo.id == -1) {
      this.examination(e.currentTarget.dataset.item.id);
      wx.hideLoading();
    } else {
      wx.hideLoading();
      if (!this.data.istask) {
        wx.showModal({
          showCancel: false,
          content: "请先去扫描二维码加入班级群吧",
          success(res) {
            if (res.confirm) {
              wx.switchTab({
                url: '../myMission/myMission'
              })
            }
          }
        })
        return false
      }
      if (!this.data.istask1) {
        wx.showModal({
          showCancel: false,
          content: "请先填写学员登记表再来学习哦！"
        })
        return false
      }
      let isStudyDone = e.currentTarget.dataset.item.isStudyDone
      if (isStudyDone != 1) {
        wx.showModal({
          showCancel: false,
          content: "您当前的学习课程还未完成哦，请先完成再来考试吧！"
        })
        return false
      } else {
        this.examination(e.currentTarget.dataset.item.id);
      }
    }
  },
  // 考试方法单拿出来
  examination(id) {
    wx.request({
      url: app.globalData.publicUrl + '/wx/exam/examList',
      method: "post",
      data: {
        sessionKey: this.data.sessionKey,
        courseId: id,
        clasId: this.data.classInfo.id
      },
      success: (res) => {
        if (res.data.code == 0) {
          if (res.data.list.length == 0) {
            wx.showModal({
              showCancel: false,
              content: '老师还未出考试题哦'
            })
          } else {
            console.log(res, '1111')
            if (res.data.list[0]) {
              if (res.data.list[0].answersId) {
                this.toPath(res.data.list[0].id, res.data.list[0].paperId, res.data.list[0].answersId, 'answerAfterclass');
              } else {
                this.beginKao(res.data.list[0].id, res.data.list[0].paperId, this.data.sessionKey, 'answerAfterclass');
              }
            }
          }
        }
      }
    })
  },
  //去评价
  gopjClass(e) {
    if (this.data.classInfo.id == -1) {
      this.evaluate(e.currentTarget.dataset.item.id)
    } else {
      if (!this.data.istask) {
        wx.showModal({
          showCancel: false,
          content: "请先去扫描二维码加入班级群吧",
          success(res) {
            if (res.confirm) {
              wx.switchTab({
                url: '../myMission/myMission'
              })
            }
          }
        })
        return false
      }
      if (!this.data.istask1) {
        wx.showModal({
          showCancel: false,
          content: "请先填写学员登记表再来学习哦！"
        })
        return false
      }
      let isStudyDone = e.currentTarget.dataset.item.isStudyDone
      if (isStudyDone != 1) {
        wx.showModal({
          showCancel: false,
          content: "您的学习课程还未完成哦，请先完成再来评价吧！"
        })
        return false
      } else {
        this.evaluate(e.currentTarget.dataset.item.id)
      }
    }
  },
  // 评价方法单拿出来
  evaluate(id) {
    wx.request({
      url: app.globalData.publicUrl + '/wx/exam/quesExamList',
      method: "post",
      data: {
        sessionKey: this.data.sessionKey,
        courseId: id,
        clasId: this.data.classInfo.id
      },
      success: (res) => {
        if (res.data.code == 0) {
          if (res.data.list.length == 0) {
            wx.showModal({
              showCancel: false,
              content: '老师还未出评价模板哦'
            })
          } else {
            if (res.data.list[0]) {
              if (res.data.list[0].answersId) {
                this.toPath(res.data.list[0].id, res.data.list[0].paperId, res.data.list[0].answersId, 'evaluationCourse');
              } else {
                this.beginKao(res.data.list[0].id, res.data.list[0].paperId, this.data.sessionKey, 'evaluationCourse');
              }
            }
          }
        }
      }
    })
  },
  // 查看详情成绩
  gockcj(e) {
    console.log(e.currentTarget.dataset.item.isExamId)
    if (e.currentTarget.dataset.item.isExamId) {
      wx.request({
        url: app.globalData.publicUrl + '/wx/answer/detail',
        method: "post",
        data: {
          answersId: e.currentTarget.dataset.item.isExamId
        },
        success: (res) => {
          if (res.data.list[0] && res.data.list[0].answerScore >= 0 && res.data.list[0].answerScore != null) {
            wx.navigateTo({
              url: '/pages/grade/grade?answersId=' + e.currentTarget.dataset.item.isExamId,
            })
          } else {
            wx.showModal({
              showCancel: false,
              content: '当前老师批阅中,请耐心等待'
            })
          }
        },
        fail: () => {
          wx.showModal({
            showCancel: false,
            content: '当前老师批阅中,请耐心等待'
          })
        }
      })
    }
  },
  // 查看详情评价
  gockpj(e) {
    wx.navigateTo({
      url: '/pages/evaluationCourseDetail/evaluationCourseDetail?answersId=' + e.currentTarget.dataset.item.isFeedbackId,
    })
  },
  // 期末考试
  goQmks() {
    if (this.data.classInfo.id == -1) {
      wx.request({
        url: app.globalData.publicUrl + '/wx/exam/examList',
        method: "post",
        data: {
          sessionKey: this.data.sessionKey,
          clasId: this.data.classInfo.id
        },
        success: (res) => {
          if (res.data.code == 0) {
            if (res.data.list.length == 0) {
              wx.showModal({
                showCancel: false,
                content: '期末考试还未开始哦！'
              })
            } else {
              if (res.data.list[0].answersId) {
                if (res.data.list[0].status == '1') {
                  wx.request({
                    url: app.globalData.publicUrl + '/wx/answer/detail',
                    method: "post",
                    data: {
                      answersId: res.data.list[0].answersId
                    },
                    success: (res1) => {
                      if (res1.data.list[0].answerScore >= 0 && res1.data.list[0].answerScore != null) {
                        wx.navigateTo({
                          url: '/pages/grade/grade?answersId=' + res.data.list[0].answersId,
                        })
                      } else {
                        wx.showModal({
                          showCancel: false,
                          content: '当前老师批阅中,请耐心等待'
                        })
                      }
                    }
                  })
                } else {
                  this.toPath(res.data.list[0].id, res.data.list[0].paperId, res.data.list[0].answersId, 'answerAfterclass');
                }
              } else {
                this.beginKao(res.data.list[0].id, res.data.list[0].paperId, this.data.sessionKey, 'answerAfterclass');
              }
            }
          }
        }
      })
    } else {
      if (!this.data.istask) {
        wx.showModal({
          showCancel: false,
          content: "请先去扫描二维码加入班级群吧",
          success(res) {
            if (res.confirm) {
              wx.switchTab({
                url: '../myMission/myMission'
              })
            }
          }
        })
        return false
      }
      if (!this.data.istask2) {
        wx.showModal({
          showCancel: false,
          content: "您的课程任务还未全部完成哦！请先去完成再来期末考试吧！"
        })
        return false
      }
      wx.request({
        url: app.globalData.publicUrl + '/wx/exam/examList',
        method: "post",
        data: {
          sessionKey: this.data.sessionKey,
          clasId: this.data.classInfo.id
        },
        success: (res) => {
          if (res.data.code == 0) {
            if (res.data.list.length == 0) {
              wx.showModal({
                showCancel: false,
                content: '期末考试还未开始哦！'
              })
            } else {
              if (res.data.list[0].answersId) {
                if (res.data.list[0].status == '1') {
                  wx.request({
                    url: app.globalData.publicUrl + '/wx/answer/detail',
                    method: "post",
                    data: {
                      answersId: res.data.list[0].answersId
                    },
                    success: (res1) => {
                      if (res1.data.list[0].answerScore >= 0 && res1.data.list[0].answerScore != null) {
                        wx.navigateTo({
                          url: '/pages/grade/grade?answersId=' + res.data.list[0].answersId,
                        })
                      } else {
                        wx.showModal({
                          showCancel: false,
                          content: '当前老师批阅中,请耐心等待'
                        })
                      }
                    }
                  })
                } else {
                  this.toPath(res.data.list[0].id, res.data.list[0].paperId, res.data.list[0].answersId, 'answerAfterclass');
                }
              } else {
                this.beginKao(res.data.list[0].id, res.data.list[0].paperId, this.data.sessionKey, 'answerAfterclass');
              }
            }
          }
        }
      })
    }
  },
  // 综合反馈表
  goWrite2() {
    if (this.data.istask4) {
      wx.request({
        url: app.globalData.publicUrl + '/wx/exam/quesExamList',
        method: "post",
        data: {
          sessionKey: this.data.sessionKey,
          questSub: '1',
          clasId: this.data.classInfo.id
        },
        success: (res) => {
          if (res.data.code == 0) {
            if (res.data.list[0]) {
              if (res.data.list[0].answersId) {
                wx.navigateTo({
                  url: '/pages/feedBackDetail/feedBackDetail?answersId=' + res.data.list[0].answersId,
                })
              } else {
                this.beginKao(res.data.list[0].id, res.data.list[0].paperId, this.data.sessionKey, 'feedBack');
              }
            }
          }
        }
      })
    } else {
      wx.request({
        url: app.globalData.publicUrl + '/wx/exam/quesExamList',
        method: "post",
        data: {
          sessionKey: this.data.sessionKey,
          questSub: '1',
          clasId: this.data.classInfo.id
        },
        success: (res) => {
          if (res.data.code == 0) {
            if (res.data.list.length == 0) {
              wx.showModal({
                showCancel: false,
                content: '当前综合反馈还不可以填写哦！'
              })
            } else {
              if (res.data.list[0].answersId) {
                if (res.data.list[0].status == '1') {
                  wx.navigateTo({
                    url: '/pages/feedBackDetail/feedBackDetail?answersId=' + res.data.list[0].answersId,
                  })
                } else {
                  this.toPath(res.data.list[0].id, res.data.list[0].paperId, res.data.list[0].answersId, 'feedBack');
                }
              } else {
                this.beginKao(res.data.list[0].id, res.data.list[0].paperId, this.data.sessionKey, 'feedBack');
              }
            }
          }
        }
      })
    }
  },
  // 我的积分
  goMyPoints() {
    wx.navigateTo({
      url: '../myPoints/myPoints'
    })
  },
  // 领取结业证
  lq() {
    if (this.data.classInfo.id == -1) {
      wx.showLoading({
        mask: true,
        title: '加载中',
      })
      this.setData({
        myCanvasId: this.data.myCanvasId + 1
      })
      let str = this.data.studentName + "同志于" + this.data.classInfo.beginDate + " 至 " + this.data.classInfo.endDate + "参加学习完成规定培训内容，准予结业，特发此证。"
      let strArr = [];
      let a = str.slice(0, 16);
      let b = str.slice(16, 36);
      let c = str.slice(36, 56);
      strArr.push(a, b, c);
      const ctx = wx.createCanvasContext(this.data.myCanvasId);
      ctx.drawImage(this.data.byzsbj, 0, 0, 300, 415); //里面的参数无非就是图片放置的位置即图片的横纵坐标，图片的宽高
      ctx.setFillStyle("#000");
      ctx.setFontSize(16); //字大小
      ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      let leftPositionAarr = [60, 30, 30, 30]
      for (let i = 0; i < strArr.length; i++) {
        ctx.fillText(strArr[i], leftPositionAarr[i], 160 + i * 30);
      }
      // ctx.fillText(str, 150, 160); //150:canvas画布宽300，取1/2，中间，280：纵向位置
      ctx.draw();
      wx.hideLoading();
      this.setData({
        showzs: true
      });
      wx.request({
        url: app.globalData.publicUrl + '/wx/student/wxGraduation',
        method: "post",
        data: {
          sessionKey: this.data.sessionKey
        },
        success: (res) => {
          console.log(res.data, "领取结业证提交")
        }
      })
    } else {
      if (!this.data.istask) {
        wx.showModal({
          showCancel: false,
          content: "请先去扫描二维码加入班级群吧",
          success(res) {
            if (res.confirm) {
              wx.switchTab({
                url: '../myMission/myMission'
              })
            }
          }
        })
        return false
      }
      if (!this.data.istask3) {
        wx.showModal({
          showCancel: false,
          content: "您的期末考试还未完成哦！"
        })
        return false
      }
      wx.showLoading({
        mask: true,
        title: '加载中',
      })
      this.setData({
        myCanvasId: this.data.myCanvasId + 1
      })
      let str = this.data.studentName + "同志于" + this.data.classInfo.beginDate + " 至 " + this.data.classInfo.endDate + "参加学习完成规定培训内容，准予结业，特发此证。"
      let strArr = [];
      let a = str.slice(0, 16);
      let b = str.slice(16, 36);
      let c = str.slice(36, 56);
      strArr.push(a, b, c);
      const ctx = wx.createCanvasContext(this.data.myCanvasId);
      ctx.drawImage(this.data.byzsbj, 0, 0, 300, 415); //里面的参数无非就是图片放置的位置即图片的横纵坐标，图片的宽高
      ctx.setFillStyle("#000");
      ctx.setFontSize(16); //字大小
      ctx.setTextAlign('left'); //是否居中显示，参考点画布中线
      let leftPositionAarr = [60, 30, 30, 30]
      for (let i = 0; i < strArr.length; i++) {
        ctx.fillText(strArr[i], leftPositionAarr[i], 160 + i * 30);
      }
      ctx.draw();
      wx.hideLoading();
      this.setData({
        showzs: true
      });
      wx.request({
        url: app.globalData.publicUrl + '/wx/student/wxGraduation',
        method: "post",
        data: {
          sessionKey: this.data.sessionKey
        },
        success: (res) => {
          console.log(res.data, "领取结业证提交")
        }
      })
    }
  },
  // 存储结业证
  saveZs() {
    wx.canvasToTempFilePath({ //把当前画布指定区域的内容导出生成指定大小的图片
      canvasId: this.data.myCanvasId,
      success(res) {
        wx.authorize({ //向用户发起授权请求
          scope: 'scope.writePhotosAlbum', //保存相册授权
          success: () => {
            wx.saveImageToPhotosAlbum({ //保存图片到系统相册
              filePath: res.tempFilePath,
              success: () => {
                wx.showToast({
                  title: '图片保存成功'
                })
              }
            })
          }
        })
      }
    })
  },
  // 证书隐藏
  onClose1() {
    this.setData({
      showzs: false
    });
  },
  toPath(id, paperId, answersId, address, status) {
    wx.navigateTo({
      url: '/pages/' + address + '/' + address + '?id=' + id + '&paperId=' + paperId + '&answersId=' + answersId + '&status=' + status,
    })
  },
  beginKao(id, paperId, sessionKey, address) {
    wx.request({
      url: app.globalData.publicUrl + '/wx/exam/begin',
      method: "post",
      data: {
        sessionKey: sessionKey,
        id: id,
        paperId: paperId
      },
      success: (res) => {
        if (res.data.code == 0) {
          this.setData({
            status: res.data.status
          })
          this.toPath(id, paperId, res.data.answersId, address);
        }
      }
    })
  },
  async onShow() {
    // wx.showLoading({
    //   title: '加载中',
    //   mask:true
    // })
    const sessionKey = await tools.checkSessionAndLogin();
    this.setData({
      sessionKey
    });
    this.isRz(sessionKey)
  }
})