【Vue】按钮组件（Vue2JS版）- STButton

import STButton from '@/components/STButton'

<STButton>我是默认STButton>
<STButton type="primary" size="large">我是主要STButton>
<STButton type="danger" size="small" @click="handle">我是危险STButton>

<template>
  <button class="st-btn" @click="clickHandler" :class="[typeClass, sizeClass]">
    <slot>slot>
  button>
template>

<script>export default {
  name: 'STButton',
  props: {
    type: {
      type: String,
      validator: function(val) {
        return ['primary', 'danger'].includes(val)
      }
    },
    size: {
      type: String,
      validator: function(val) {
        return ['small', 'large'].includes(val)
      }
    },
  },
  computed: {
    typeClass(){
      return `st-btn-${this.type}`
    },
    sizeClass(){
      return `st-btn-${this.size}`
    }
  },
  methods: {
    clickHandler(e){
      this.$emit('click', e)
    }
  }

}script>

<style scoped lang="less">// 默认背景色 默认大小
.st-btn {
  line-height: 1.499;
  position: relative;
  display: inline-block;
  font-weight: 400;
  white-space: nowrap;
  text-align: center;
  background-image: none;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.015);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  touch-action: manipulation;
  padding: 5px 10px;
  font-size: 14px;
  border-radius: 4px;
  color: rgba(0, 0, 0, 0.65);
  background-color: #fff;
  border: 1px solid #d9d9d9;
}
.st-btn:focus {
  outline: 0;
}
// primary 确定样式
.st-btn-primary {
  color: #fff;
  background-color: #1890ff;
  border-color: #1890ff;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.12);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.045);
}
// danger 危险样式
.st-btn-danger {
  color: #fff;
  background-color: #ff4d4f;
  border-color: #ff4d4f;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.12);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.045);
}

// size:small
.st-btn-small {
  padding: 4px 8px;
  font-size: 12px;
}
// size:large
.st-btn-large {
  padding: 6px 12px;
  font-size: 16px;
}style>