DateTimePicker 日期时间选择器，默认获取当前日期

在vue里面，我们已经用到过单独的TimePicker 时间选择器和DatePicker 日期选择器了，现在需要用到一个可以同时选择年月日时分秒的插件，饿了么的文档里面就有现成可以使用的~~

在同一个选择器里选择日期和时间

DateTimePicker 由 DatePicker 和 TimePicker 派生，Picker Options 或者其他选项可以参照 DatePicker 和 TimePicker。

文档：https://element.eleme.cn/#/zh-CN/component/datetime-picker

<template>
  <div class="block">
    <span class="demonstration">默认</span>
    <el-date-picker v-model="value" type="datetime" placeholder="选择日期时间">
    </el-date-picker>
  </div>
</template>

<script>
export default {
  data() {
    return {
      pickerOptions: {
        shortcuts: [
          {
            text: "今天",
            onClick(picker) {
              picker.$emit("pick", new Date());
            },
          },
          {
            text: "昨天",
            onClick(picker) {
              const date = new Date();
              date.setTime(date.getTime() - 3600 * 1000 * 24);
              picker.$emit("pick", date);
            },
          },
          {
            text: "一周前",
            onClick(picker) {
              const date = new Date();
              date.setTime(date.getTime() - 3600 * 1000 * 24 * 7);
              picker.$emit("pick", date);
            },
          },
        ],
      },
      value: "",
    };
  },

  created() {
    this.Date();
  },
  methods: {
    //获取当前年月日
    Date() {
      const nowDate = new Date();
      const date = {
        year: nowDate.getFullYear(),
        month: nowDate.getMonth() + 1,
        date: nowDate.getDate(),
        hours: nowDate.getHours(),
        minutes: nowDate.getMinutes(),
        seconds: nowDate.getSeconds(),
      };

      const newmonth = date.month > 10 ? date.month : "0" + date.month;
      const newday = date.date > 10 ? date.date : "0" + date.date;
      const newminutes = date.minutes < 10 ? "0" + date.minutes : date.minutes;
      const newseconds = date.seconds < 10 ? "0" + date.seconds : date.seconds;
      this.value =
        date.year +
        "-" +
        newmonth +
        "-" +
        newday +
        " " +
        date.hours +
        ":" +
        newminutes +
        ":" +
        newseconds;
      
    },
  },
};
</script>
<style scoped>
.tab-container {
  margin: 30px;
}
</style>