ant-design-vue/components/transfer/demo/large-data.md

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2018-04-06 16:20:45 +00:00
<cn>
#### 大数据性能测试
2000 条数据。
</cn>
<us>
#### Performance Test
2000 items.
</us>
```html
<template>
<a-transfer
:dataSource="mockData"
:targetKeys="targetKeys"
@change="handleChange"
:render="item=>item.title"
>
</a-transfer>
</template>
<script>
export default {
data () {
return {
mockData: [],
targetKeys: [],
}
},
mounted() {
this.getMock()
},
methods: {
getMock() {
const targetKeys = [];
const mockData = [];
for (let i = 0; i < 2000; i++) {
const data = {
key: i.toString(),
title: `content${i + 1}`,
description: `description of content${i + 1}`,
chosen: Math.random() * 2 > 1,
};
if (data.chosen) {
targetKeys.push(data.key);
}
mockData.push(data);
}
this.mockData = mockData
this.targetKeys = targetKeys
},
handleChange(targetKeys, direction, moveKeys) {
console.log(targetKeys, direction, moveKeys);
this.targetKeys = targetKeys
},
},
}
</script>
```