ant-design-vue/components/vc-form/demo/file-input.js

84 lines
1.7 KiB
JavaScript

/* eslint react/no-multi-comp:0, no-console:0 */
import { createForm } from '../index'
import { regionStyle, errorStyle } from './styles'
function getFileValueProps (value) {
if (value && value.target) {
return {
value: value.target.value,
}
}
return {
value,
}
}
function getValueFromFileEvent ({ target }) {
return {
target,
}
}
const Form = {
props: {
form: Object,
},
methods: {
onSubmit (e) {
e.preventDefault()
this.form.validateFields((error, values) => {
console.log(error, values)
if (!error) {
console.log('校验通过')
}
})
},
checkSize (rule, value, callback) {
if (value && value.target) {
const files = value.target.files
if (files[0]) {
callback(files[0].size > 1000000 ? 'file size must be less than 1M' : undefined)
} else {
callback()
}
} else {
callback()
}
},
},
render () {
const { getFieldProps, getFieldError } = this.form
const errors = getFieldError('attachment')
return (<div
style={ regionStyle }
>
<div>attachment:</div>
<div>
<input type='file' {...getFieldProps('attachment', {
getValueProps: getFileValueProps,
getValueFromEvent: getValueFromFileEvent,
rules: [this.checkSize],
})}
/>
</div>
<div style={errorStyle}>
{(errors) ? errors.join(',') : null}
</div>
<button onClick={this.onSubmit}>submit</button>
</div>)
},
}
const NewForm = createForm()(Form)
export default {
render () {
return (<div>
<h2>input[type="file"]</h2>
<NewForm />
</div>)
},
}