就眠儀式
Gitee
commit
05aa22eacc
344
example/docs/zh-CN/components/upload.md
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344
example/docs/zh-CN/components/upload.md
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::: anchor
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:::
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::: title 基本介绍
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:::
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::: describe 按钮用于开始一个即时操作。
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:::
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::: title 基础使用
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:::
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::: demo 使用 `lay-upload` 标签, 创建一个按钮上传单文件
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<template>
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<lay-upload></lay-upload>
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</template>
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<script>
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import { ref } from 'vue'
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export default {
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setup() {
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return {
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}
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}
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}
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</script>
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:::
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::: title 简约按钮
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:::
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::: demo 使用 `lay-upload` 标签, 使用 `drag属性` 创建一个可拖拽的上传文件域
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<template>
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<lay-upload :drag="true"></lay-upload>
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</template>
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<script>
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import { ref } from 'vue'
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export default {
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setup() {
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return {
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}
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}
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}
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</script>
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:::
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<!-- ::: title 按钮尺寸
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:::
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::: demo 使用 `size` 属性, 创建指定尺寸的按钮, 可选值 `lg` `sm` `xs`
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<template>
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<lay-button type="primary" size="lg">原始按钮</lay-button>
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<lay-button type="default" size="lg">默认按钮</lay-button>
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<lay-button type="normal" size="lg">百搭按钮</lay-button>
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<lay-button type="warm" size="lg">暖色按钮</lay-button>
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<lay-button type="danger" size="lg">警告按钮</lay-button>
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<lay-button type="disabled" size="lg">禁用按钮</lay-button>
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</template>
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<script>
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import { ref } from 'vue'
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export default {
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setup() {
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return {
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}
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}
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}
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</script>
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:::
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::: title 流式按钮
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:::
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::: demo 使用 `fluid` 属性, 创建最大化按钮
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<template>
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<lay-button type="primary" fluid>最大化按钮</lay-button>
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<br/>
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<br/>
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<lay-button type="default" fluid>最大化按钮</lay-button>
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</template>
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<script>
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import { ref } from 'vue'
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export default {
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setup() {
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return {
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}
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}
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}
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</script>
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:::
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::: title 圆角按钮
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:::
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::: demo 使用 `radius` 属性，创建圆角按钮
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<template>
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<lay-button type="primary" radius>原始按钮</lay-button>
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<lay-button type="default" radius>默认按钮</lay-button>
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<lay-button type="normal" radius>百搭按钮</lay-button>
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<lay-button type="warm" radius>暖色按钮</lay-button>
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<lay-button type="danger" radius>警告按钮</lay-button>
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<lay-button disabled radius>禁用按钮</lay-button>
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</template>
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<script>
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import { ref } from 'vue'
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export default {
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setup() {
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return {
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}
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}
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}
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</script>
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:::
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::: title 按钮分组
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:::
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::: demo 使用 `lay-button-group` 标签, 创建一个按钮组
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<template>
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<div>
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<lay-button-group>
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<lay-button type="default">默认按钮</lay-button>
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<lay-button type="default">默认按钮</lay-button>
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<lay-button type="default">默认按钮</lay-button>
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</lay-button-group>
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<lay-button-group>
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<lay-button type="primary">默认按钮</lay-button>
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<lay-button type="primary">默认按钮</lay-button>
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<lay-button type="primary">默认按钮</lay-button>
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</lay-button-group>
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</div>
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</template>
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<script>
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import { ref } from 'vue'
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export default {
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setup() {
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return {
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}
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}
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}
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</script>
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:::
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::: title 图标按钮
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:::
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::: demo 结合 `lay-icon` 组件, 创建图标按钮
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<template>
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<lay-button-container>
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<lay-button type="primary"><lay-icon type="layui-icon-left"></lay-icon></lay-button>
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<lay-button type="primary"><lay-icon type="layui-icon-right"></lay-icon></lay-button>
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</lay-button-container>
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</template>
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<script>
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import { ref } from 'vue'
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export default {
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setup() {
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return {
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}
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}
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}
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</script>
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:::
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::: title 按钮容器
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:::
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::: demo 尽管按钮在同节点并排时会自动拉开间距，但在按钮太多的情况，效果并不是很美好。因为你需要用到按钮容器
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<template>
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<lay-button-container>
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<lay-button type="default">新增</lay-button>
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<lay-button type="default">删除</lay-button>
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<lay-button type="default">修改</lay-button>
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</lay-button-container>
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</template>
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<script>
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import { ref } from 'vue'
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export default {
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setup() {
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return {
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}
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}
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}
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</script>
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:::
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::: title 加载按钮
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:::
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::: demo 使用 `loading` 属性, 控制按钮的加载状态
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<template>
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<lay-button-container>
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<lay-button type="default" :loading="loadState">加载</lay-button>
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<lay-switch v-model="loadState"></lay-switch>
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</lay-button-container>
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</template>
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<script>
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import { ref } from 'vue'
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export default {
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setup() {
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const loadState = ref(true)
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return {
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loadState
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}
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}
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}
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</script>
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:::
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::: title 事件处理
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:::
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::: demo 使用 `@click` 设置单击回调
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<template>
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<lay-button type="default" @click="clickHandle">单击事件</lay-button>
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</template>
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<script>
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import { ref } from 'vue'
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export default {
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setup() {
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const clickHandle = () => {
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console.log('点击事件')
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}
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return {
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clickHandle
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}
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}
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}
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</script>
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:::
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::: title Button 变量
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:::
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```
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```
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::: title Button 属性
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:::
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::: table
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| 属性 | 描述 | 类型 | 默认值 | 可选值 |
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| ----------- | -------- | ------- | --------- | ---------------------------------- |
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| type | 主题 | string | `primary` | `primary` `normal` `warm` `danger` |
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| size | 尺寸 | string | -- | `lg` `sm` `xs` |
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| fluid | 最大化 | boolean | `false` | `true` `false` |
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| radius | 圆角 | boolean | `false` | `true` `false` |
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| border | 边框 | string | `green` | `green` `blue` `orange` `red` |
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| disabled | 禁用 | boolean | `false` | `true` `false` |
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| loading | 加载 | boolean | `false` | `true` `false` |
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| native-type | 原生类型 | string | `button` | `button` `submit` `reset` |
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:::
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::: title Button 插槽
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:::
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::: table
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| 名称 | 描述 | 参数 |
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| ------- | -------- | ---- |
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| default | 默认内容 | -- |
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:::
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::: title Button Group 属性
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:::
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::: table
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| 属性 | 描述 | 类型 | 默认值 | 可选值 |
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| ---- | ---- | ---- | ------ | ------ |
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| - | - | - | - |
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:::
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::: title Button Group 插槽
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:::
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::: table
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| 事件 | 描述 | 参数 |
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| ------- | -------- | ---- |
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| default | 默认内容 | -- |
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:::
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::: comment
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:::
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::: previousNext button
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::: -->
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8
src/component/upload/index.ts
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8
src/component/upload/index.ts
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import type { App } from "vue";
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import Component from "./index.vue";
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Component.install = (app: App) => {
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app.component(Component.name, Component);
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};
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export default Component;
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172
src/component/upload/index.vue
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172
src/component/upload/index.vue
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<script lang="ts">
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export default {
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name: "LayUpload",
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};
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</script>
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<script lang="ts" setup>
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import "./index.less";
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import { Recordable } from "../../types";
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import { ref, watch, useSlots, withDefaults, onMounted } from "vue";
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//https://www.layuiweb.com/doc/modules/upload.html#options
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export interface LayUploadProps {
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elem?: string | HTMLElement;
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url?: string;
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data?: Recordable;
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headers?: Recordable;
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accept?: "images" | "file" | "video" | "audio";
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acceptMime?: "images" | "file" | "video" | "audio";
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exts?: "jpg" | "png" | "gif" | "bmp" | "jpeg";
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auto?: boolean;
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bindAction?: string | HTMLElement;
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field?: string;
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size?: number;
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multiple?: boolean;
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number: number;
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drag?: boolean;
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}
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const props = withDefaults(defineProps<LayUploadProps>(), {
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accept: "images",
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acceptMime: "images",
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auto: true,
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field: "file",
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size: 0,
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multiple: false,
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number: 0,
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drag: false,
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});
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const emit = defineEmits(["choose", "before", "done", "error"]);
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const slot = useSlots();
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const slots = slot.default && slot.default();
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const isDragEnter = ref(false);
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interface localUploadOption{
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url:string,
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file?:unknown,
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otherRequestData?:any
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}
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const localUpload = (option:any) => {
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let file, formData, xhr: XMLHttpRequest, loadedevt, total, per: number, url, uploading;
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formData = new FormData();
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xhr = new XMLHttpRequest();
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url = option.url;
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file = option.file;
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formData.append("files", file);
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//append 其他数据
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if (option.otherRequestData instanceof Object) {
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var _requestDate = option.otherRequestData;
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for (var key in _requestDate) {
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formData.append(key, _requestDate[key]);
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}
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}
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//事件回调
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// event callbacks
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xhr.onreadystatechange = function () {
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if (xhr.readyState === 4) {
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if ((xhr.status >= 200 && xhr.status <= 300) || xhr.status === 304) {
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option.successF instanceof Function &&
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option.successF(xhr.responseText);
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} else {
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option.errorF instanceof Function && option.errorF(xhr.responseText);
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}
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} else {
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option.errorF instanceof Function && option.errorF();
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}
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};
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//侦查当前附件上传情况
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/**
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* 附件的上传进度条方法在xhr.upload.onprogeress上，
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* 还有一个xhr.onprogress,是下载时候的进度条,***
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* */
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xhr.upload.onprogress = function (event) {
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// event.total是需要传输的总字节，event.loaded是已经传输的字节。如果event.lengthComputable不为真，则event.total等于0
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if (event.lengthComputable) {
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loadedevt = event.loaded;
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total = event.total;
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per = Math.floor((100 * loadedevt) / total);
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}
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//执行回调
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option.uploadProgress instanceof Function && option.uploadProgress(per);
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};
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xhr.open("post", url, true); //不能是GET, get请求数据发送只能拼接在URL后面
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xhr.setRequestHeader("Accept", "application/json, text/javascript");
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xhr.send(formData);
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};
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const getUploadChange = (e: any) => {
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// console.log(e.srcElement);
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const file = e.target.files[0];
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console.log(file);
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if (props.url) {
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// 表单提交
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localUpload({
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url:props.url,
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file:file
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});
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} else {
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//
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}
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};
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const uploadDragOver = (e: any) => {
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//console.log("uploadDrag9ikme",e);
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};
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const uploadDragDrop = (e: any) => {
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console.log("uploadDragDrop", e);
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isDragEnter.value = false;
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};
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const uploadDragStop = (e: any) => {
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console.log("uploadDragStop", e);
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};
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const uploadDragEnter = (e: any) => {
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console.log("", e);
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isDragEnter.value = true;
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};
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const uploadDragLeave = (e: any) => {
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isDragEnter.value = false;
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};
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</script>
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<template>
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<div class="layui-upload" v-if="!drag">
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<div class="layui-upload-btn-box">
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<button type="button" class="layui-btn">上传图片</button>
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<input
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class="layui-upload-file"
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:multiple="multiple"
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type="file"
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:accept="accept"
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:name="field"
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@change="getUploadChange"
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/>
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</div>
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<div class="layui-upload-list">
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<img class="layui-upload-img" id="demo1" />
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<p id="demoText"></p>
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</div>
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</div>
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<div
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v-else
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class="layui-upload-drag"
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:class="isDragEnter ? 'layui-upload-drag-draging' : ''"
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@dragleave.stop="uploadDragLeave"
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@dragenter.stop="uploadDragEnter"
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@dragover.stop="uploadDragOver"
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@drop="uploadDragDrop"
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>
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<i class="layui-icon"></i>
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<p>点击上传，或将文件拖拽到此处</p>
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<div class="layui-hide" id="uploadDemoView">
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<hr />
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<img src="" alt="上传成功后渲染" style="max-width: 196px" />
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</div>
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<input
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class="layui-upload-file"
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type="file"
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:accept="accept"
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:name="field"
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@change="getUploadChange"
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/>l
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</div>
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</template>
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