Vue组件开发技巧总结

// 注册
Vue.component('my-component', {
 template: '<div>A custom component!</div>'
})

// 创建根实例
new Vue({
 el: '#example'
})

<template>
 <div class="ta-dialog__wrapper">
 <div class="ta-dialog">
  <div class="ta-dialog__header">
  <span>{{ title }}</span>
  <i class="ios-close-empty" @click="handleCancel()"></i>
  </div>
  <div class="ta-dialog__body">
  <slot></slot>
  </div>
  <div class="ta-dialog__footer">
  <button @click="handleCancel()">取消</button>
  <button @click="handleOk()">确定</button>
  </div>
 </div>
 </div>
</template>

<script>
export default {
 name: 'Dialog',

 props: {
 title: {
  type: String,
  default: '标题'
 },
 },

 methods: {
 handleCancel() {
  this.$emit('cancel')
 },

 handleOk() {
  this.$emit('ok')
 },
 },
}
</script>

<ta-dialog 
 title="弹窗标题" 
 @ok="handleOk" 
 @cancel="handleCancel">
 <p>我是内容</p>
</ta-dialog>

<template>
 <transition name="slide-down">
 <div class="ta-dialog__wrapper" v-if="isShow">
  // 省略
 </div>
 </transition>
</template>

<script>
export default {

 data() {
 return {
  isShow: true
 }
 },

 methods: {
 handleCancel() {
  this.isShow = false
  this.$emit('cancel')
 },

 handleOk() {
  this.isShow = true
  this.$emit('ok')
 },
 },
}
</script>

.slide-down-enter-active {
 animation: dialog-enter ease .3s;
}

.slide-down-leave-active {
 animation: dialog-leave ease .5s;
}

@keyframes dialog-enter {
 from {
 opacity: 0;
 transform: translateY(-20px);
 }

 to {
 opacity: 1;
 transform: translateY(0);
 }
}

@keyframes dialog-leave {
 from {
 opacity: 1;
 transform: translateY(0);
 }

 to {
 opacity: 0;
 transform: translateY(-20px);
 }
}

this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
 confirmButtonText: '确定',
 cancelButtonText: '取消',
 type: 'warning'
}).then(() => {
 this.$message({
 type: 'success',
 message: '删除成功!'
 });
}).catch(() => {
 this.$message({
 type: 'info',
 message: '已取消删除'
 });   
});

import Vue from 'vue'
import MessgaeBox from './src/index'

const Ctur = Vue.extend(MessgaeBox)
let instance = null

const callback = action => {
 if (action === 'confirm') {
 if (instance.showInput) {
  instance.resolve({ value: instance.inputValue, action })
 } else {
  instance.resolve(action)
 }
 } else {
 instance.reject(action)
 }

 instance = null
}

const showMessageBox = (tip, title, opts) => new Promise((resolve, reject) => {
 const propsData = { tip, title, ...opts }

 instance = new Ctur({ propsData }).$mount()
 instance.reject = reject
 instance.resolve = resolve
 instance.callback = callback

 document.body.appendChild(instance.$el)
})


const confirm = (tip, title, opts) => showMessageBox(tip, title, opts)

Vue.prototype.$confirm = confirm

onCancel() {
 this.visible = false
 this.callback && (this.callback.call(this, 'cancel'))
},

onConfirm() {
 this.visible = false
 this.callback && (this.callback.call(this, 'confirm'))
},

instance = new Ctur({ propsData }).$mount()

document.body.appendChild(instance.$el)

Vue.nextTick(() => instance.visible = true)