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vue vue3 日期选择的组件,封装组件

2024-07-27 22:07:27 前端知识 前端哥 58 869 我要收藏

一、背景

基于element日期选择组件,自行封装了一个组件。

以下是达到的效果:

1.选择年,日期选择组件默认填充是:当时的年;

2.选择月,日期选择组件默认填充的是:当时的年月;

3.选择日,日期选择组件默认填充的是:当时的年月日;

备注:

1.自行封装的组件,涉及到把所选的值暴露给其它“单页面组件”,通过vue3的defineExpose(),vue2需要修改一下;

2.自行封装的组件,涉及到传参,根据接口要求,传参了属性dataType;

3.自行封装的组件,涉及到判断条件,所选不能超过30天。

二、实现效果

三、代码

自行封装的组件,vue3 setup写法:

<script setup>
import { nextTick, onMounted, reactive, ref } from "vue";
import { getDatePiker } from "@/utils/cabinData";
import {timeLimits} from "@/utils"
const timeRange = 1 * 24 * 60 * 60 * 1000; // 1天时间戳
const timeToTimestamp = (time) => {
    let timestamp = Date.parse(new Date(time).toString());
    return timestamp;
  };
export const timeLimits=(times,message,intervalTime=7)=>{
    const minTime = timeToTimestamp(times[0]);
      const maxTime = timeToTimestamp(times[1]);
      const isOver7 = maxTime - minTime > timeRange * intervalTime;
      if (isOver7) {
        ElMessage({
          type: "warning",
          message: message===undefined?`历史记录查询时间不能超过7天`:message,
        });
        return false;
      }else{
        return true;
      }
}
const timeTypeList = reactive([
  {
    name: "年",
    dateType: "2",
    type: "year",
    valueFormat: "YYYY",
    getDatePikerformat: "yyyy",
    range: false,
  },
  {
    name: "月",
    dateType: "1",
    type: "month",
    valueFormat: "YYYY-MM",
    getDatePikerformat: "yyyy-MM",
    range: false,
  },
  {
    name: "自定义",
    dateType: "3",
    type: "daterange",
    valueFormat: "YYYY-MM-DD",
    range: true,
  },
]);

const Selected = ref(2);
const data = reactive({
  time: null,
});

const changeSelected = (_index) => {
  Selected.value = _index;
  if (timeTypeList[_index].range) {
    nextTick(() => {
      data.time = getDatePiker(30);
    });
  } else {
    data.time = getDatePiker(30, timeTypeList[_index].getDatePikerformat)[1];
    // console.log(timeTypeList[_index].valueFormat);
  }
};

onMounted(() => {
  data.time = getDatePiker(30);
});

const getTimeParams = () => {
  if (!timeTypeList[Selected.value].range) {
    return {
      dateType: timeTypeList[Selected.value].dateType,
      dateTime: data.time,
    };
  } else {
    if(timeLimits(data.time,'历史记录查询或者导出不能超过30天',30)){
      return false
    }else{
    return {
      dateType: timeTypeList[Selected.value].dateType,
      startTime: data.time[0],
      endTime: data.time[1],
    };
  }
  }
};

defineExpose({
  getTimeParams,
});
</script>

<template>
  <div class="time_change">
    <div
      class="time_type"
      v-for="(item, index) in timeTypeList"
      :key="index"
      :class="Selected === index ? 'time_type_selected' : ''"
      @click="changeSelected(index)"
    >
      {{ item.name }}
    </div>
    <el-form :model="data" class="search-box2">
      <el-form-item
        label="时间范围"
        class="search-input search-input4"
        prop="time"
      >
        <el-date-picker
          v-model="data.time"
          :type="timeTypeList[Selected].type"
          :value-format="timeTypeList[Selected].valueFormat"
          range-separator="至"
          start-placeholder="开始时间"
          end-placeholder="结束时间"
          :unlink-panels="true"
          :clearable="false"
        />
      </el-form-item>
    </el-form>
  </div>
</template>

<style lang="less" scoped>
.time_change {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  .time_type {
    height: 36px;
    line-height: 36px;
    padding: 0 10px;
    background: #ebf0f5;
    border-radius: 4px 4px 4px 4px;
    border: 1px solid #ffffff;
    color: #4279ca;
    cursor: pointer;
  }
  .time_type_selected {
    background: #4279ca;
    color: #ffffff;
  }
  .search-box2 {
    width: 423px;
    height: 36px;
    line-height: 36px;
    :deep(.el-form-item) {
      .el-form-item__label {
        padding-left: 0.57292vw;
        background-color: #dae5f2 !important;
        color: #4279ca;
        font-size: calc(100vw * 16 / 1920);
        height: 2.1875vw;
        text-align: center;
        line-height: 2.1875vw;
        justify-content: flex-start;
      }
      .el-date-editor .el-range-input{
        font-size: calc(100vw * 18 / 1920);
      }
      .el-input__inner{
        font-size: calc(100vw * 18 / 1920);
      }
    }

    .el-form-item {
      width: 100%;
      height: 100%;
      box-sizing: border-box;
      margin: 0;
      border: none;
      line-height: inherit;
      background: #f0f5fa;
      border-radius: 4px 4px 4px 4px;
      border: 1px solid #ffffff;
      :deep(.el-form-item__label) {
        height: 100%;
        border-radius: 4px;
        line-height: inherit;
      }
      :deep(.el-form-item__content) {
        flex: 1;
        
        .el-input {
          height: 100%;
          
        }
        .el-input__wrapper {
          box-shadow: none;
          background: none;
          height: 100%;
        }
      }
    }
  }
}
</style>

四、其它

1.组件默认填充时间,默认填充最近30天;

eg:

getDatePiker(30);

/**
 * 时间选择器默认选中,最近多少天
 */
export const getDatePiker = (dates,dateType='yyyy-MM-dd') => {
    let valueTwoTimer = []
    let newData = new Date();
    let nowMonth = frontOneHour(newData, dateType);
    const front12Hour = new Date(newData - 1000 * 60 * 60 * 24 * (dates-1));;
    let beforeMonth = frontOneHour(front12Hour, dateType);
    valueTwoTimer.push(beforeMonth);
    valueTwoTimer.push(nowMonth);
    return valueTwoTimer
};

 2.不能超过30天数,当不传参的时候默认不超过7天;

eg:

timeLimits(data.time, "历史记录查询或者导出不能超过30天", 30)

// 
const timeRange = 1 * 24 * 60 * 60 * 1000; // 1天时间戳
const timeToTimestamp = (time) => {
    let timestamp = Date.parse(new Date(time).toString());
    return timestamp;
  };
export const timeLimits=(times,message,intervalTime=7)=>{
      const minTime = timeToTimestamp(times[0]);
      const maxTime = timeToTimestamp(times[1]);
      //判断是否超过7天,或者30天。接收传参intervalTime
      const isOver7 = maxTime - minTime > timeRange * intervalTime;
      if (isOver7) {
        //超过7天,进行显示提示信息。并打断,给调用的语句返回一个false
        //外层调用根据返回的“false”,进行打断处理,详见如下写在后面。
        ElMessage({
          type: "warning",
          message: message===undefined?`历史记录查询时间不能超过7天`:message,
        });
        return false;
      }else{
        return true;
      }
}

2.写在最后

外层调用timeLimits()

//暴露此方法
//如果超过30天,返回false;否则返回开始时间和结束时间,以及dateType(接口参数)
const getTimeParams = () => {
  if (!timeTypeList[Selected.value].range) {
    return {
      dateType: timeTypeList[Selected.value].dateType,
      dateTime: data.time,
    };
  } else {
    if (!timeLimits(data.time, "历史记录查询或者导出不能超过30天", 30)) {
      return false;
    } else {
      return {
        dateType: timeTypeList[Selected.value].dateType,
        startTime: data.time[0],
        endTime: data.time[1],
      };
    }
  }
};

defineExpose({
  getTimeParams,
});

五、年月日分别解释

1.选择年,日期选择组件默认填充是:当时的年;

 

 2.选择月,日期选择组件默认填充的是:当时的年月;

 

 3.选择日,日期选择组件默认填充的是:当时的年月日;

默认填充最近30天。

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