element/examples/docs/zh-CN/loading.md

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<style>
.demo-loading .el-table {
border: none;
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}
</style>
<script>
export default {
data() {
return {
tableData: [{
date: '2016-05-03',
name: '王小虎',
address: '上海市普陀区金沙江路 1518 弄'
}, {
date: '2016-05-02',
name: '王小虎',
address: '上海市普陀区金沙江路 1518 弄'
}, {
date: '2016-05-04',
name: '王小虎',
address: '上海市普陀区金沙江路 1518 弄'
}],
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loading: true,
loading2: true,
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fullscreenLoading: false
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}
},
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methods: {
openFullScreen() {
this.fullscreenLoading = true;
setTimeout(() => {
this.fullscreenLoading = false;
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}, 3000);
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}
}
}
</script>
## Loading 加载
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加载数据时显示动效。
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### 区域加载
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在表格等容器中加载数据时显示。
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:::demo 在 Loading 组件中Element 准备了自定义命令`v-loading`,只需要绑定`Boolean`即可。默认状况下Loading 遮罩会插入到绑定元素的子节点,通过添加`body`修饰符,可以使遮罩插入至 DOM 中的 body 上。
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```html
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<template>
<el-table
v-loading.body="loading"
:data="tableData"
style="width: 100%">
<el-table-column
prop="date"
label="日期"
width="180">
</el-table-column>
<el-table-column
prop="name"
label="姓名"
width="180">
</el-table-column>
<el-table-column
prop="address"
label="地址">
</el-table-column>
</el-table>
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</template>
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<script>
export default {
data() {
return {
tableData: [{
date: '2016-05-03',
name: '王小虎',
address: '上海市普陀区金沙江路 1518 弄'
}, {
date: '2016-05-02',
name: '王小虎',
address: '上海市普陀区金沙江路 1518 弄'
}, {
date: '2016-05-04',
name: '王小虎',
address: '上海市普陀区金沙江路 1518 弄'
}],
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loading: true
};
}
};
</script>
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```
:::
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### 加载文案
可自定义加载文案。
:::demo 在绑定了`v-loading`指令的元素上添加`element-loading-text`属性,其值会被渲染为加载文案,并显示在加载图标的下方。
```html
<template>
<el-table
v-loading="loading2"
element-loading-text="拼命加载中"
:data="tableData"
style="width: 100%">
<el-table-column
prop="date"
label="日期"
width="180">
</el-table-column>
<el-table-column
prop="name"
label="姓名"
width="180">
</el-table-column>
<el-table-column
prop="address"
label="地址">
</el-table-column>
</el-table>
</template>
<script>
export default {
data() {
return {
tableData: [{
date: '2016-05-03',
name: '王小虎',
address: '上海市普陀区金沙江路 1518 弄'
}, {
date: '2016-05-02',
name: '王小虎',
address: '上海市普陀区金沙江路 1518 弄'
}, {
date: '2016-05-04',
name: '王小虎',
address: '上海市普陀区金沙江路 1518 弄'
}],
loading2: true
};
}
};
</script>
```
:::
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### 整页加载
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页面数据加载时显示。
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:::demo 当需要全屏遮罩时,可使用`fullscreen`修饰符(此时遮罩会插入至 body 上)。此时若需要锁定屏幕的滚动,可以使用`lock`修饰符。
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```html
<template>
<el-button
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type="primary"
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@click.native="openFullScreen"
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v-loading.fullscreen.lock="fullscreenLoading">
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显示整页加载3 秒后消失
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</el-button>
</template>
<script>
export default {
data() {
return {
fullscreenLoading: false
}
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},
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methods: {
openFullScreen() {
this.fullscreenLoading = true;
setTimeout(() => {
this.fullscreenLoading = false;
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}, 3000);
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}
}
}
</script>
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```
:::