Design and development practice of UniApp to implement calendar function and time selection

UniApp Design and Development Practice for Implementing Calendar Function and Time Selection

Abstract: Calendar function and time selection are one of the common functions in many mobile applications. This article will introduce how to use the UniApp framework to implement the design and development of calendar functions and time selection. And demonstrate the specific implementation method through code examples.

1. Introduction
UniApp is a framework based on Vue.js, which can generate applications for multiple platforms through one encoding, including iOS, Android, H5, etc. Therefore, using the UniApp framework to realize the design and development of calendar functions and time selection can achieve the unification of functions on multiple platforms.

2. Design and development of calendar function

1. Design ideas
   The calendar function generally needs to display the month view of the current date, and can support operations such as switching months and selecting dates. In UniApp, we can implement calendar display and selection functions by using the uni-calendar component. The uni-calendar component can quickly generate an interactive calendar interface.

The following is a simple sample code:

<template>
  <view>
    <uni-calendar
      @change="onDateChange"
      :after-day-text-color="'#999'"
      :after-fields="afterFields"
    ></uni-calendar>
  </view>
</template>

<script>
export default {
  data() {
    return {
      afterFields: [],
    };
  },
  methods: {
    onDateChange(e) {
      console.log('选择日期：', e.detail.value);
    },
  },
};
</script>

2. Development practice
   In the above sample code, we use the uni-calendar component and bind it change event to listen for date selection. Through the onDateChange method, we can get the selected date, and then perform subsequent operations on the selected date.

3. Design and development of time selection

1. Design ideas
   The time selection function generally needs to be displayed in the form of a time selector and can support hour selection , minutes and other dimensions of time. In UniApp, we can use the uni-picker component to implement the time selection function. The uni-picker component provides very flexible configuration to meet the needs of different time formats.

The following is a simple sample code:

<template>
  <view>
    <uni-picker
      @change="onTimeChange"
      :value="time"
      mode="time"
      :fields="fields"
    ></uni-picker>
  </view>
</template>

<script>
export default {
  data() {
    return {
      time: '00:00',
      fields: 'minute',
    };
  },
  methods: {
    onTimeChange(e) {
      console.log('选择时间：', e.detail.value);
    },
  },
};
</script>

2. Development practice
   In the above sample code, we use the uni-picker component and bind it Change event to listen for time selection. Through the onTimeChange method, we can get the selected time, and then perform subsequent operations on the selected time.

At the same time, we can select the time display format by configuring the mode attribute. For example, 'minute' means only displaying minutes, 'hour' means only displaying hours, etc.

Conclusion:
This article introduces how to use the UniApp framework to implement the design and development of calendar functions and time selection. By using the uni-calendar component and uni-picker component, we can quickly implement calendar and time selection functions, and support unified display on multiple platforms. I hope this article can help UniApp developers in implementing calendar functions and time selection.

The above is the design and development practice of UniApp to implement calendar function and time selection. Hope it helps.

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