Lolstyle UI component development practice (II) -- button group component

Xiao Zhuo 2021-08-09 15:47:57
lolstyle ui component development practice


This is my participation 8 The fourth of the yuegengwen challenge 4 God , Check out the activity details :8 Yuegengwen challenge

In front of LOLstyle-ui Component development practice ( One ) Has successfully encapsulated a LOL Style Button Components , In our actual development , You often need to use button groups , When used for multiple similar operations, you need to encapsulate button-group Components .

One 、 What is? button-group Components

Easy to understand what is button-group Components can refer to Element-ui In the use of button-group Examples of components :

image.png Simply speaking ,button-group Components are specifically used to nest button Components of components

Two 、 encapsulation button-group Components

1. establish button-group Components

stay components Under the folder , Create a new button-group.vue Files are used to create button-group Components

image.png

button-group Component architecture

button-group The component architecture is relatively simple. You only need to use slot Slot to store button Just components

<template>
<div class="lol-button-group"> <slot></slot> </div>
</template>
 Copy code 
Statement button-group Component name
<script>
export default {
name: 'lolButton'
}
</script>
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add to button-group Component style
<style lang="scss" scoped>
.lol-button-group {
& > .lol-button {
float: left;
position: relative;
& + .lol-button {
margin-left: 0;
}
&:first-child {
border-top-right-radius: 0;
border-bottom-right-radius: 0;
border-right-width: 1px;
}
&:last-child {
border-top-left-radius: 0;
border-bottom-left-radius: 0;
border-left-width: 1px;
}
&:not(:first-child):not(:last-child) {
border-radius: 0;
border-right-width: 1px;
border-left-width: 1px;
}
&:not(:last-child) {
margin-right: -1px;
}
&:hover,
&:focus,
&:active {
z-index: 1;
}
}
}
</style>
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So here's an easy one button-group The component is done

2. register button-group Components

After creating button-group After assembly, you also need to go to mani.js Register components in

import Vue from 'vue'
import App from './App.vue'
// Reference Font Icon 
import './assets/fonts/iconfont.css'
// Import button Components 
import lolButton from './components/button.vue'
// Import button-group Components 
import lolButtonGroup from './components/button-group.vue'
Vue.config.productionTip = false
// Certified components 
Vue.component(lolButton.name, lolButton)
Vue.component(lolButtonGroup.name, lolButtonGroup)
new Vue({
render: h => h(App)
}).$mount('#app')
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3. Use button-group Components

 <lol-button-group>
<lol-button> The previous page </lol-button>
<lol-button> On this page </lol-button>
<lol-button> The next page </lol-button>
</lol-button-group>
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image.png button Properties are also valid

 <lol-button-group>
<lol-button round> The previous page </lol-button>
<lol-button round> On this page </lol-button>
<lol-button round> The next page </lol-button>
</lol-button-group>
 Copy code 

image.png

3、 ... and 、button-group attribute

Here's a simple button-group Nested components are complete , But we can see in button-group Each under the component button The properties of components are written once , Very not concise , Can we just button-group Component passing properties , It controls button What about the properties of ? The answer, of course, is yes !

1. The parent component passes attributes to the child component

 <lol-button-group round>
<lol-button> The previous page </lol-button>
<lol-button> On this page </lol-button>
<lol-button> The next page </lol-button>
</lol-button-group>
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2. Subcomponents receive properties , And check

 props: {
round: {
type: Boolean,
default: false
}
}
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3. towards button Component delivery round attribute

It's already in button-group Got... From the component round attribute , Now we need to ask button Pass round Properties let him apply , So we need to use provide/inject Carry out value transfer between grandparents and grandchildren .

Use provide/inject It's simple , stay button-group Through a statement provide Object passes the component itself , stay button Use in inject Just receive (provide/inject For details of usage, please go to Vue Official website see ).

 // button-group Components 
export default {
name: 'lolButtonGroup',
provide () {
return {
ButtonGroup: this
}
},
props: {
round: {
type: Boolean,
default: false
}
}
}
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4.button Component reception round attribute

We are going to button-group The component itself passes out , And in button Use... In components inject receive

inject: {
ButtonGroup: {
default: ''
}
}
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And add button Property style

<template>
<button class="lol-button" :disabled="disabled || loading" :autofocus="autofocus" @click="handleClick" :class="[{ 'is-plain': plain, // It is judged here that... Is received directly round Attribute or button-group Received round attribute , All add round style 'is-round': round || this.ButtonGroup.round, 'is-circle': circle, 'is-disabled': disabled, 'is-loading': loading }]" > <i v-if="loading" class="lol-icon-down"></i> <i v-if="icon && !loading" :class="icon"></i> <span v-if="$slots.default"><slot></slot></span> </button>
</template>
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5. Use button-group attribute

Now just ask button-group Component add round Property can take effect

 <lol-button-group round>
<lol-button> The previous page </lol-button>
<lol-button> On this page </lol-button>
<lol-button> The next page </lol-button>
</lol-button-group>
 Copy code 

image.png Give... In the same way button-group Add other properties

Four 、 Complete code

button-group Component complete code

<template>
<div class="lol-button-group"> <slot></slot> </div>
</template>
<script> export default { name: 'lolButtonGroup', provide () { return { ButtonGroup: this } }, props: { plain: { type: Boolean, default: false }, round: { type: Boolean, default: false }, disabled: { type: Boolean, default: false } } } </script>
<style lang="scss" scoped> .lol-button-group { & > .lol-button { float: left; position: relative; & + .lol-button { margin-left: 0; } &:first-child { border-top-right-radius: 0; border-bottom-right-radius: 0; border-right-width: 1px; } &:last-child { border-top-left-radius: 0; border-bottom-left-radius: 0; border-left-width: 1px; } &:not(:first-child):not(:last-child) { border-radius: 0; border-right-width: 1px; border-left-width: 1px; } &:not(:last-child) { margin-right: -1px; } &:hover, &:focus, &:active { z-index: 1; } } } </style>
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Improved button Component architecture

<template>
<button class="lol-button" :disabled="disabled || loading" :autofocus="autofocus" @click="handleClick" :class="[{ 'is-plain': plain || this.ButtonGroup.plain, 'is-round': round || this.ButtonGroup.round, 'is-circle': circle, 'is-disabled': disabled || this.ButtonGroup.disabled, 'is-loading': loading }]" > <i v-if="loading" class="lol-icon-loading"></i> <i v-if="icon && !loading" :class="icon"></i> <span v-if="$slots.default"><slot></slot></span> </button>
</template>
 Copy code 

end

button The series of components are finally completed , How to encapsulate... Will be described later Radio Radio box components

Your praise is my motivation to continue to be more polite !!

0070E00E.png respect by myself

版权声明
本文为[Xiao Zhuo]所创,转载请带上原文链接,感谢
https://qdmana.com/2021/08/20210809153452121l.html

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