readme.md

#### 本功能基于[底部图标菜单](https://ext.dcloud.net.cn/plugin?id=4858)封装而成。
### 示例代码
```
<template>
	<button type="default" @click="uniShare">显示</button>
</template>
<script>
	import uniShare from '@/uni_modules/uni-share/js_sdk/uni-share.js';
	export default {
		onBackPress({from}) {
			console.log(from);
			if(from=='backbutton'){
				this.$nextTick(function(){
					uniShare.hide()
				})
				return uniShare.isShow;
			}
		},
		methods: {
			uniShare() {
				uniShare.show({
					content: { //公共的分享参数配置  类型（type）、链接（herf）、标题（title）、summary（描述）、imageUrl（缩略图）
						type: 0,
						href: 'https://uniapp.dcloud.io/',
						title: '标题',
						summary: '描述',
						imageUrl: 'https://img-cdn-aliyun.dcloud.net.cn/stream/icon/__UNI__HelloUniApp.png'
					},
					menus: [{
							"img": "/static/app/sharemenu/wechatfriend.png",
							"text": "微信好友",
							"share": { //当前项的分享参数配置。可覆盖公共的配置如下：分享到微信小程序，配置了type=5
								"provider": "weixin",
								"scene": "WXSceneSession"
							}
						},
						{
							"img": "/static/app/sharemenu/wechatmoments.png",
							"text": "微信朋友圈",
							"share": {
								"provider": "weixin",
								"scene": "WXSceneTimeline"
							}
						},
						{
							"img": "/static/app/sharemenu/mp_weixin.png",
							"text": "微信小程序",
							"share": {
								provider: "weixin",
								scene: "WXSceneSession",
								type: 5,
								miniProgram: {
									id: '123',
									path: '/pages/list/detail',
									webUrl: '/#/pages/list/detail',
									type: 0
								},
							}
						},
						{
							"img": "/static/app/sharemenu/weibo.png",
							"text": "微博",
							"share": {
								"provider": "sinaweibo"
							}
						},
						{
							"img": "/static/app/sharemenu/qq.png",
							"text": "QQ",
							"share": {
								"provider": "qq"
							}
						},
						{
							"img": "/static/app/sharemenu/copyurl.png",
							"text": "复制",
							"share": "copyurl"
						},
						{
							"img": "/static/app/sharemenu/more.png",
							"text": "更多",
							"share": "shareSystem"
						}
					],
					cancelText: "取消分享",
				}, e => { //callback
					console.log(uniShare.isShow);
					console.log(e);
				})
			}
		}
	}
</script>

```