微信小程序如何实现日期时分组件

这篇文章主要介绍了微信小程序如何实现日期时分组件，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。

如图所示效果

第一步新建picker组件文件

1,pickerTime.js组件代码内容

// component/pickerTime/pickerTime.jsComponent({    properties: {    date: {            // 属性名      type: null,     // 类型（必填），目前接受的类型包括：String, Number, Boolean, Object, Array, null（表示任意类型）      value: null     // 属性初始值（可选），如果未指定则会根据类型选择一个    },    startDate: {      type: null,     // 类型（必填），目前接受的类型包括：String, Number, Boolean, Object, Array, null（表示任意类型）      value: null     // 属性初始值（可选），如果未指定则会根据类型选择一个    },    endDate: {      type: null,     // 类型（必填），目前接受的类型包括：String, Number, Boolean, Object, Array, null（表示任意类型）      value: null     // 属性初始值（可选），如果未指定则会根据类型选择一个    },    disabled: {      type: null,     // 类型（必填），目前接受的类型包括：String, Number, Boolean, Object, Array, null（表示任意类型）      value: false     // 属性初始值（可选），如果未指定则会根据类型选择一个    },    placeholder: {      type: null,     // 类型（必填），目前接受的类型包括：String, Number, Boolean, Object, Array, null（表示任意类型）      value: null     // 属性初始值（可选），如果未指定则会根据类型选择一个    }  },     data: {    pickerArray: [],//日期控件数据list    pickerIndex: [],//日期控件选择的index    chooseIndex: [],//日期控件确认选择的index    chooseArray: [],//日期控件确认选择后的list    stDate: '',//开始日期    enDate: ''//结束日期  },     methods: {    _onInit() {      let date = new Date();      if (this.data.date != null) {        let str = this.data.date;        str = str.replace(/-/g, "/");        date = new Date(str);      }      let pickerArray = this.data.pickerArray;      // console.log(date.getFullYear());      //默认选择3年内      let year = [];      let month = [];      let day = [];      let time = [];      let division = [];      let startDate = '';      let endDate = ''      let tpData = {};      if (this.data.startDate != null && this.data.endDate == null) {        //如果存在开始时间，则默认设置结束时间为2099        startDate = this._getDefaultDate(this.data.startDate);        endDate = this._getDefaultDate("2099-12-31 23:59");        tpData = this._getModify(date, startDate, endDate);      }      if (this.data.endDate != null && this.data.startDate == null) {        //如果存在结束时间，不存在开始时间 则默认设置开始时间为1900        startDate = this._getDefaultDate("1900-01-01 00:00");        endDate = this._getDefaultDate(this.data.endDate);        tpData = this._getModify(date, startDate, endDate);      }      if (this.data.endDate != null && this.data.startDate != null) {        startDate = this._getDefaultDate(this.data.startDate);        endDate = this._getDefaultDate(this.data.endDate);        tpData = this._getModify(date, startDate, endDate);      }      // console.log(year);      if (this.data.startDate == null && this.data.endDate == null) {        startDate = this._getDefaultDate("1901-01-01 00:00");        endDate = this._getDefaultDate("2099-12-31 23:59");        tpData = this._getModify(date, startDate, endDate);      }            if (date > endDate || date < startDate) {        this.setData({          placeholder: "默认日期不在时间范围内"        })        return;      }      // console.log(division);      pickerArray[0] = tpData.year;      pickerArray[1] = tpData.month;      pickerArray[2] = tpData.day;      pickerArray[3] = tpData.time;      pickerArray[4] = tpData.division;      let mdate = {        date: date,        year: date.getFullYear() + '',        month: date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1 + '',        day: date.getDate() < 10 ? '0' + date.getDate() : date.getDate() + '',        time: date.getHours() < 10 ? '0' + date.getHours() : date.getHours() + '',        division: date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes() + ''      }      mdate.placeholder = mdate.year + '-' + mdate.month + '-' + mdate.day + ' ' + mdate.time + ':' + mdate.division;      this.setData({        pickerArray,        pickerIndex: tpData.index,        chooseIndex: tpData.index,        chooseArray: pickerArray,        placeholder: this.data.placeholder != null ? this.data.placeholder : mdate.placeholder,        stDate: startDate,        enDate: endDate      })      // console.log(date);      //设置placeholder属性后 初始化不返回日期      if (this.data.placeholder == null){        this.triggerEvent('onPickerChange', mdate);      }      // console.log(this.data.pickerArray);      // console.log(this._getNumOfDays(2018, 10));    },        _getDefaultDate(date) {      date = date.replace(/-/g, "/");      return new Date(date);    },        _getModify(newDate, startDate, stopDate) {      let data = {        year: [],        month: [],        day: [],        time: [],        division: [],        index:[0,0,0,0,0]      }      let nYear = newDate.getFullYear();      let nMonth = newDate.getMonth() + 1;      let nDay = newDate.getDate();      let nHours = newDate.getHours();      let nMinutes = newDate.getMinutes();       let tYear = startDate.getFullYear();      let tMonth = startDate.getMonth() + 1;      let tDay = startDate.getDate();      let tHours = startDate.getHours();      let tMinutes = startDate.getMinutes();       let pYear = stopDate.getFullYear();      let pMonth = stopDate.getMonth() + 1;      let pDay = stopDate.getDate();      let pHours = stopDate.getHours();      let pMinutes = stopDate.getMinutes();      for (let i = tYear; i <= pYear; i++) {        data.year.push({ id: i, name: i + "年" });      }      data.index[0] = nYear - tYear;      //判断年份是否相同 相同则继续      if (nYear == tYear){        //判断结束年份 赋值月份 如果结束年份相同则把结束月份 一并赋值        if (nYear == pYear){          for (let i = tMonth; i <= pMonth; i++) {            data.month.push({ id: i, name: i + "月" });          }          data.index[1] = nMonth - tMonth < 0 ? 0 : nMonth - tMonth;           if (nMonth == tMonth){            if (nMonth == pMonth){              for (let i = tDay; i <= pDay; i++) {                data.day.push({ id: i, name: i + "日" });              }              data.index[2] = nDay - tDay < 0 ? 0 : nDay - tDay;               if (nDay == tDay){                if (nDay == pDay){                  for (let i = tHours; i <= pHours; i++) {                    if (i < 10) {                      data.time.push({ id: i, name: "0" + i + "时" });                    } else {                      data.time.push({ id: i, name: i + "时" });                    }                  }                                    data.index[3] = nHours - tHours < 0 ? 0 : nHours - tHours;                   if (nHours == tHours){                    if (nHours == pHours){                      for (let i = tMinutes; i <= pMinutes; i++) {                        if (i < 10) {                          data.division.push({ id: i, name: "0" + i + "分" });                        } else {                          data.division.push({ id: i, name: i + "分" });                        }                      }                      data.index[4] = nMinutes - tMinutes < 0 ? 0 : nMinutes - tMinutes;                    } else {                      for (let i = tMinutes; i <= 59; i++) {                        if (i < 10) {                          data.division.push({ id: i, name: "0" + i + "分" });                        } else {                          data.division.push({ id: i, name: i + "分" });                        }                      }                      data.index[4] = nMinutes - tMinutes < 0 ? 0 : nMinutes - tMinutes;                    }                  } else {                    if (nHours == pHours){                      for (let i = 0; i <= pMinutes; i++) {                        if (i < 10) {                          data.division.push({ id: i, name: "0" + i + "分" });                        } else {                          data.division.push({ id: i, name: i + "分" });                        }                      }                      data.index[4] = nMinutes;                    } else {                      for (let i = 0; i <= 59; i++) {                        if (i < 10) {                          data.division.push({ id: i, name: "0" + i + "分" });                        } else {                          data.division.push({ id: i, name: i + "分" });                        }                      }                      data.index[4] = nMinutes;                    }                  }                } else {                  for (let i = tHours; i <= 23; i++) {                    if (i < 10) {                      data.time.push({ id: i, name: "0" + i + "时" });                    } else {                      data.time.push({ id: i, name: i + "时" });                    }                  }                                    data.index[3] = nHours - tHours < 0 ? 0 : nHours - tHours;                  if (nHours == tHours) {                    for (let i = tMinutes; i <= 59; i++) {                      if (i < 10) {                        data.division.push({ id: i, name: "0" + i + "分" });                      } else {                        data.division.push({ id: i, name: i + "分" });                      }                    }                    data.index[4] = nMinutes - tMinutes < 0 ? 0 : nMinutes - tMinutes;                  } else {                    for (let i = 0; i <= 59; i++) {                      if (i < 10) {                        data.division.push({ id: i, name: "0" + i + "分" });                      } else {                        data.division.push({ id: i, name: i + "分" });                      }                    }                    data.index[4] = nMinutes;                  }                }              } else {                if (nDay == pDay){                  for (let i = 0; i <= pHours; i++) {                    if (i < 10) {                      data.time.push({ id: i, name: "0" + i + "时" });                    } else {                      data.time.push({ id: i, name: i + "时" });                    }                  }                  data.index[3] = nHours;                  if (nHours == pHours){                    for (let i = 0; i <= pMinutes; i++) {                      if (i < 10) {                        data.division.push({ id: i, name: "0" + i + "分" });                      } else {                        data.division.push({ id: i, name: i + "分" });                      }                    }                    data.index[4] = nMinutes;                  } else {                    for (let i = 0; i <= 59; i++) {                      if (i < 10) {                        data.division.push({ id: i, name: "0" + i + "分" });                      } else {                        data.division.push({ id: i, name: i + "分" });                      }                    }                    data.index[4] = nMinutes;                  }                } else {                  for (let i = 0; i <= 23; i++) {                    if (i < 10) {                      data.time.push({ id: i, name: "0" + i + "时" });                    } else {                      data.time.push({ id: i, name: i + "时" });                    }                  }                   data.index[3] = nHours;                  // console.log(time);                  for (let i = 0; i <= 59; i++) {                    if (i < 10) {                      data.division.push({ id: i, name: "0" + i + "分" });                    } else {                      data.division.push({ id: i, name: i + "分" });                    }                  }                  data.index[4] = nMinutes;                }              }            } else {              let dayNum = this._getNumOfDays(nYear, nMonth);              for (let i = tDay; i <= dayNum; i++) {                data.day.push({ id: i, name: i + "日" });              }              data.index[2] = nDay - tDay < 0 ? 0 : nDay - tDay;              if (nDay == tDay) {                for (let i = tHours; i <= 23; i++) {                  if (i < 10) {                    data.time.push({ id: i, name: "0" + i + "时" });                  } else {                    data.time.push({ id: i, name: i + "时" });                  }                }                                data.index[3] = nHours - tHours < 0 ? 0 : nHours - tHours;                if (nHours == tHours) {                  for (let i = tMinutes; i <= 59; i++) {                    if (i < 10) {                      data.division.push({ id: i, name: "0" + i + "分" });                    } else {                      data.division.push({ id: i, name: i + "分" });                    }                  }                  data.index[4] = nMinutes - tMinutes < 0 ? 0 : nMinutes - tMinutes;                } else {                  for (let i = 0; i <= 59; i++) {                    if (i < 10) {                      data.division.push({ id: i, name: "0" + i + "分" });                    } else {                      data.division.push({ id: i, name: i + "分" });                    }                  }                  data.index[4] = nMinutes;                }              } else {                for (let i = 0; i <= 23; i++) {                  if (i < 10) {                    data.time.push({ id: i, name: "0" + i + "时" });                  } else {                    data.time.push({ id: i, name: i + "时" });                  }                }                                data.index[3] = nHours;                // console.log(time);                for (let i = 0; i <= 59; i++) {                  if (i < 10) {                    data.division.push({ id: i, name: "0" + i + "分" });                  } else {                    data.division.push({ id: i, name: i + "分" });                  }                }                data.index[4] = nMinutes;              }            }          } else {            if (nMonth == pMonth){              for (let i = 1; i <= pDay; i++) {                data.day.push({ id: i, name: i + "日" });              }              data.index[2] = nDay - 1;              if (nDay == pDay){                for (let i = 0; i <= pHours; i++) {                  if (i < 10) {                    data.time.push({ id: i, name: "0" + i + "时" });                  } else {                    data.time.push({ id: i, name: i + "时" });                  }                }                data.index[3] = nHours;                if (nHours == pHours){                  for (let i = 0; i <= pMinutes; i++) {                    if (i < 10) {                      data.division.push({ id: i, name: "0" + i + "分" });                    } else {                      data.division.push({ id: i, name: i + "分" });                    }                  }                  data.index[4] = nMinutes;                } else {                  for (let i = 0; i <= 59; i++) {                    if (i < 10) {                      data.division.push({ id: i, name: "0" + i + "分" });                    } else {                      data.division.push({ id: i, name: i + "分" });                    }                  }                  data.index[4] = nMinutes;                }              } else {                for (let i = 0; i <= 23; i++) {                  if (i < 10) {                    data.time.push({ id: i, name: "0" + i + "时" });                  } else {                    data.time.push({ id: i, name: i + "时" });                  }                }                data.index[3] = nHours;                // console.log(time);                for (let i = 0; i <= 59; i++) {                  if (i < 10) {                    data.division.push({ id: i, name: "0" + i + "分" });                  } else {                    data.division.push({ id: i, name: i + "分" });                  }                }                data.index[4] = nMinutes;              }            } else {              let dayNum = this._getNumOfDays(nYear, nMonth);              for (let i = 1; i <= dayNum; i++) {                data.day.push({ id: i, name: i + "日" });              }              data.index[2] = nDay - 1;              for (let i = 0; i <= 23; i++) {                if (i < 10) {                  data.time.push({ id: i, name: "0" + i + "时" });                } else {                  data.time.push({ id: i, name: i + "时" });                }              }               data.index[3] = nHours;              // console.log(time);              for (let i = 0; i <= 59; i++) {                if (i < 10) {                  data.division.push({ id: i, name: "0" + i + "分" });                } else {                  data.division.push({ id: i, name: i + "分" });                }              }              data.index[4] = nMinutes;            }          }         } else {//只需要开始日期 因为结束年份不同 所以不会用到结束日期          for (let i = tMonth; i <= 12; i++) {            data.month.push({ id: i, name: i + "月" });          }          data.index[1] = nMonth - tMonth < 0 ? 0 : nMonth - tMonth;          if (nMonth == tMonth){            let dayNum = this._getNumOfDays(nYear, nMonth);            for (let i = tDay; i <= dayNum; i++) {             data.day.push({ id: i, name: i + "日" });            }            data.index[2] = nDay - tDay < 0 ? 0 : nDay - tDay;            if (nDay == tDay){              for (let i = tHours; i <= 23; i++) {                if (i < 10) {                  data.time.push({ id: i, name: "0" + i + "时" });                } else {                  data.time.push({ id: i, name: i + "时" });                }              }                            data.index[3] = nHours - tHours < 0 ? 0 : nHours - tHours;              if (nHours == tHours){                for (let i = tMinutes; i <= 59; i++) {                  if (i < 10) {                    data.division.push({ id: i, name: "0" + i + "分" });                  } else {                    data.division.push({ id: i, name: i + "分" });                  }                }                data.index[4] = nMinutes - tMinutes < 0 ? 0 : nMinutes - tMinutes;              } else {                for (let i = 0; i <= 59; i++) {                  if (i < 10) {                    data.division.push({ id: i, name: "0" + i + "分" });                  } else {                    data.division.push({ id: i, name: i + "分" });                  }                }                data.index[4] = nMinutes;              }            } else {              for (let i = 0; i <= 23; i++) {                if (i < 10) {                  data.time.push({ id: i, name: "0" + i + "时" });                } else {                  data.time.push({ id: i, name: i + "时" });                }              }                            data.index[3] = nHours;              // console.log(time);              for (let i = 0; i <= 59; i++) {                if (i < 10) {                  data.division.push({ id: i, name: "0" + i + "分" });                } else {                  data.division.push({ id: i, name: i + "分" });                }              }              data.index[4] = nMinutes;            }          } else {            let dayNum = this._getNumOfDays(nYear, nMonth);            for (let i = 1; i <= dayNum; i++) {              data.day.push({ id: i, name: i + "日" });            }            data.index[2] = nDay - 1;            for (let i = 0; i <= 23; i++) {              if (i < 10) {                data.time.push({ id: i, name: "0" + i + "时" });              } else {                data.time.push({ id: i, name: i + "时" });              }            }                        data.index[3] = nHours;            // console.log(time);            for (let i = 0; i <= 59; i++) {              if (i < 10) {                data.division.push({ id: i, name: "0" + i + "分" });              } else {                data.division.push({ id: i, name: i + "分" });              }            }            data.index[4] = nMinutes;          }        }              } else {        if (nYear == pYear) {          for (let i = 1; i <= pMonth; i++) {            data.month.push({ id: i, name: i + "月" });          }          data.index[1] = nMonth - 1;          if (nMonth == pMonth){            for (let i = 1; i <= pDay; i++) {              data.day.push({ id: i, name: i + "日" });            }            data.index[2] = nDay - 1;            if (nDay == pDay){              for (let i = 0; i <= pHours; i++) {                if (i < 10) {                  data.time.push({ id: i, name: "0" + i + "时" });                } else {                  data.time.push({ id: i, name: i + "时" });                }              }              data.index[3] = nHours;              if (nHours == pHours){                for (let i = 0; i <= pMinutes; i++) {                  if (i < 10) {                    data.division.push({ id: i, name: "0" + i + "分" });                  } else {                    data.division.push({ id: i, name: i + "分" });                  }                }                data.index[4] = nMinutes;              } else {                for (let i = 0; i <= 59; i++) {                  if (i < 10) {                    data.division.push({ id: i, name: "0" + i + "分" });                  } else {                    data.division.push({ id: i, name: i + "分" });                  }                }                data.index[4] = nMinutes;              }            } else {              for (let i = 0; i <= 23; i++) {                if (i < 10) {                  data.time.push({ id: i, name: "0" + i + "时" });                } else {                  data.time.push({ id: i, name: i + "时" });                }              }                          data.index[3] = nHours;              // console.log(time);              for (let i = 0; i <= 59; i++) {                if (i < 10) {                  data.division.push({ id: i, name: "0" + i + "分" });                } else {                  data.division.push({ id: i, name: i + "分" });                }              }              data.index[4] = nMinutes;            }          } else {            let dayNum = this._getNumOfDays(nYear, nMonth);            for (let i = 1; i <= dayNum; i++) {              data.day.push({ id: i, name: i + "日" });            }            data.index[2] = nDay - 1;            for (let i = 0; i <= 23; i++) {              if (i < 10) {                data.time.push({ id: i, name: "0" + i + "时" });              } else {                data.time.push({ id: i, name: i + "时" });              }            }                      data.index[3] = nHours;            // console.log(time);            for (let i = 0; i <= 59; i++) {              if (i < 10) {                data.division.push({ id: i, name: "0" + i + "分" });              } else {                data.division.push({ id: i, name: i + "分" });              }            }            data.index[4] = nMinutes;          }        } else {          for (let i = 1; i <= 12; i++) {            data.month.push({ id: i, name: i + "月" });          }          data.index[1] = nMonth - 1;          let dayNum = this._getNumOfDays(nYear, nMonth);          for (let i = 1; i <= dayNum; i++) {            data.day.push({ id: i, name: i + "日" });          }          data.index[2] = nDay - 1;          for (let i = 0; i <= 23; i++) {            if (i < 10) {              data.time.push({ id: i, name: "0" + i + "时" });            } else {              data.time.push({ id: i, name: i + "时" });            }          }                    data.index[3] = nHours;          // console.log(time);          for (let i = 0; i <= 59; i++) {            if (i < 10) {              data.division.push({ id: i, name: "0" + i + "分" });            } else {              data.division.push({ id: i, name: i + "分" });            }          }          data.index[4] = nMinutes;        }      }      return data    },        _getNumOfDays(year, month, day = 0) {      return new Date(year, month, day).getDate()    },    pickerChange: function (e) {      // console.log('picker发送选择改变，携带值为', e.detail.value)      let indexArr = e.detail.value;      const year = this.data.pickerArray[0][indexArr[0]].id;      const month = this.data.pickerArray[1][indexArr[1]].id;      const day = this.data.pickerArray[2][indexArr[2]].id;      const time = this.data.pickerArray[3][indexArr[3]].id;      const division = this.data.pickerArray[4][indexArr[4]].id;      let date = {        date: new Date(year + '-' + month + '-' + day + ' ' + time + ':' + division),        year: year + '',        month: month < 10 ? '0' + month : month + '',        day: day < 10 ? '0' + day : day + '',        time: time < 10 ? '0' + time : time + '',        division: division < 10 ? '0' + division : division + ''      }      date.dateString = date.year + '-' + date.month + '-' + date.day + ' ' + date.time + ':' + date.division;      // console.log(date);      this.setData({        chooseIndex: e.detail.value,        chooseArray: this.data.pickerArray,        placeholder: date.dateString      })      this.triggerEvent('onPickerChange', date);    },    pickerColumnChange: function (e) {      // console.log('修改的列为', e.detail.column, '，值为', e.detail.value);      let data = {        pickerArray: this.data.pickerArray,        pickerIndex: this.data.pickerIndex      };      //首先获取 修改后的日期 然后重新赋值列表数据      data.pickerIndex[e.detail.column] = e.detail.value;      let cYear = data.pickerArray[0][data.pickerIndex[0]].id;      let cMonth = data.pickerArray[1][data.pickerIndex[1]].id;      let cDay = data.pickerArray[2][data.pickerIndex[2]].id;      let cTime = data.pickerArray[3][data.pickerIndex[3]].id;      let cDivision = data.pickerArray[4][data.pickerIndex[4]].id;      //需要先判断修改后的日期是否是正确的天数 不正确会导致日期错乱等未知情况      let daysn = this._getNumOfDays(cYear, cMonth);      //不正确 重新赋值      if (cDay > daysn){        cDay = daysn;      }            // console.log(cYear + '-' + cMonth + '-' + cDay + ' ' + cTime + ':' + cDivision);      let newDate = this._getDefaultDate(cYear + '-' + cMonth + '-' + cDay + ' ' + cTime + ':' + cDivision);      //判断修改后的日期是否在限制范围内 不在则重新赋值      if (newDate > this.data.enDate) {        newDate = this.data.enDate;      }      if (newDate < this.data.stDate){        newDate = this.data.stDate;      }      let tpData = this._getModify(newDate, this.data.stDate, this.data.enDate);      data.pickerArray[0] = tpData.year;      data.pickerArray[1] = tpData.month;      data.pickerArray[2] = tpData.day;      data.pickerArray[3] = tpData.time;      data.pickerArray[4] = tpData.division;      data.pickerIndex = tpData.index;            for (let i = 0; i <=4; i++) {        if (data.pickerArray[i].length - 1 < data.pickerIndex[i]) {          data.pickerIndex[i] = data.pickerArray[i].length - 1;        }      }      this.setData(data);    },    pickerCancel: function (e) {      // console.log("取消");      this.setData({        pickerIndex: this.data.chooseIndex,        pickerArray: this.data.chooseArray      })    },  },  // 以下是旧式的定义方式，可以保持对 <2.2.3 版本基础库的兼容  attached() {    // 在组件实例进入页面节点树时执行    // 在组件实例进入页面节点树时执行    // this._onInit();  },  ready() {    // console.log('进入ready外层节点=', this.data.date);    this._onInit();  },  // 以下为新方法 >=2.2.3  lifetimes: {    attached() {      // 在组件实例进入页面节点树时执行      // this._onInit();    },    detached() {      // 在组件实例被从页面节点树移除时执行    },    ready() {      // console.log('进入ready节点=', this.data.date);      this._onInit();    }  }})

pickerTime.wxml内容

<!--component/pickerTime/pickerTime.wxml--><view>  <picker disabled="{{disabled}}" mode="multiSelector" bindchange="pickerChange" bindcolumnchange="pickerColumnChange" bindcancel ="pickerCancel" value="{{pickerIndex}}" range="{{pickerArray}}" range-key="{{'name'}}">    <view>      {{placeholder}}    </view>  </picker></view>

在页面中使用

1,demo.JSON中引入组件

{  "navigationBarTitleText": "demo",  "usinGComponents": {    "pickerTime": "/components/pickerTime/pickerTime"  }}

2,页面中使用 wxml

<pickerTime placeholder="{{placeholder}}" date="{{date}}" bind:onPickerChange="onPickerChange"startDate="{{startDate}}" endDate="{{endDate}}"></pickerTime>

demo.js

data:{ date: '2019-01-01 13:37', startDate: '2019-01-01 12:37', endDate: '2029-03-12 12:38', placeholder: '请选择时间' }, onPickerChange: function (e) {  this.setData({    date: e.detail.dateString  //选中的数据  }) }, toDouble: function (num) {  if (num >= 10) {//大于10    return num;  } else {//0-9    return '0' + num  }  }, getToday: function () {  let date = new Date();  let year = date.getFullYear();  let month = date.getMonth() + 1;  let day = date.getDate();  return year + '-' + this.toDouble(month) + '-' + this.toDouble(day)  },  //监听页面加载  onLoad: function (options) {    let dayTime= this.getToday();    let dayHour = "18:00";    let endedTime1 = dayTime + " " + dayHour;    this.setData({      date: endedTime1    })  },

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