[improvement] rename packages dir to src (#3659)

This commit is contained in:
neverland
2019-06-27 11:25:57 +08:00
committed by GitHub
parent 8489918dca
commit 75c79b7044
619 changed files with 21 additions and 21 deletions
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<template>
<demo-section>
<demo-block :title="$t('basicUsage')">
<van-cell-group>
<van-field
v-model="value"
:placeholder="$t('usernamePlaceholder')"
/>
</van-cell-group>
</demo-block>
<demo-block :title="$t('title2')">
<van-cell-group>
<van-field
v-model="username"
:label="$t('username')"
:placeholder="$t('usernamePlaceholder')"
required
clearable
right-icon="question-o"
@click-right-icon="$toast('question')"
/>
<van-field
v-model="password"
type="password"
:label="$t('password')"
:placeholder="$t('passwordPlaceholder')"
required
/>
</van-cell-group>
</demo-block>
<demo-block :title="$t('title3')">
<van-cell-group>
<van-field
:value="$t('inputDisabled')"
:label="$t('username')"
left-icon="contact"
disabled
/>
</van-cell-group>
</demo-block>
<demo-block :title="$t('title4')">
<van-cell-group>
<van-field
v-model="username2"
:label="$t('username')"
:placeholder="$t('usernamePlaceholder')"
error
/>
<van-field
v-model="phone"
:label="$t('phone')"
:placeholder="$t('phonePlaceholder')"
:error-message="$t('phoneError')"
/>
</van-cell-group>
</demo-block>
<demo-block :title="$t('title5')">
<van-cell-group>
<van-field
v-model="message"
:label="$t('message')"
type="textarea"
:placeholder="$t('messagePlaceholder')"
rows="1"
autosize
/>
</van-cell-group>
</demo-block>
<demo-block :title="$t('title6')">
<van-cell-group>
<van-field
center
clearable
v-model="sms"
:label="$t('sms')"
:placeholder="$t('smsPlaceholder')"
>
<template #button>
<van-button
size="small"
type="primary"
>
{{ $t('sendSMS') }}
</van-button>
</template>
</van-field>
</van-cell-group>
</demo-block>
</demo-section>
</template>
<script>
export default {
i18n: {
'zh-CN': {
title2: '自定义类型',
title3: '禁用输入框',
title4: '错误提示',
title5: '高度自适应',
title6: '插入按钮',
message: '留言',
phone: '手机号',
sms: '短信验证码',
sendSMS: '发送验证码',
smsPlaceholder: '请输入短信验证码',
phonePlaceholder: '请输入手机号',
messagePlaceholder: '请输入留言',
inputDisabled: '输入框已禁用',
phoneError: '手机号格式错误'
},
'en-US': {
title2: 'Custom type',
title3: 'Disabled',
title4: 'Error info',
title5: 'Auto resize',
title6: 'Insert button',
message: 'Message',
phone: 'Phone',
sms: 'SMS',
sendSMS: 'Send SMS',
smsPlaceholder: 'SMS',
phonePlaceholder: 'Phone',
messagePlaceholder: 'Message',
inputDisabled: 'Disabled',
phoneError: 'Invalid phone'
}
},
data() {
return {
sms: '',
value: '',
password: '',
username: '',
username2: '',
message: '',
phone: '1365577'
};
}
};
</script>
<style lang="less">
@import '../../style/var';
.demo-field {
padding-bottom: 30px;
.van-field__right-icon .van-icon {
color: @blue;
}
}
</style>
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# Field
### Install
``` javascript
import { Field } from 'vant';
Vue.use(Field);
```
## Usage
### Basic Usage
The value of field is bound with v-model.
```html
<van-cell-group>
<van-field v-model="value" placeholder="Username" />
</van-cell-group>
```
### Custom type
Use `type` prop to custom diffrent type fields.
```html
<van-cell-group>
<van-field
v-model="username"
required
clearable
label="Username"
right-icon="question-o"
placeholder="Username"
@click-right-icon="$toast('question')"
/>
<van-field
v-model="password"
type="password"
label="Password"
placeholder="Password"
required
/>
</van-cell-group>
```
### Disabled
```html
<van-cell-group>
<van-field
value="Disabled"
label="Username"
left-icon="contact"
disabled
/>
</van-cell-group>
```
### Error info
Use `error` or `error-message` to show error info
```html
<van-cell-group>
<van-field
v-model="username"
label="Username"
placeholder="Username"
error
/>
<van-field
v-model="phone"
label="Phone"
placeholder="Phone"
error-message="Invalid phone"
/>
</van-cell-group>
```
### Auto resize
Textarea Field can be auto resize when has `autosize` prop
```html
<van-cell-group>
<van-field
v-model="message"
label="Message"
type="textarea"
placeholder="Message"
rows="1"
autosize
/>
</van-cell-group>
```
### Insert button
Use button slot to insert button
```html
<van-cell-group>
<van-field
v-model="sms"
center
clearable
label="SMS"
placeholder="SMS"
>
<van-button slot="button" size="small" type="primary">Send SMS</van-button>
</van-field>
</van-cell-group>
```
## API
### Props
Field support all native properties of input tagsuch as `maxlength`、`placeholder`、`autofocus`
| Attribute | Description | Type | Default |
|------|------|------|------|
| value | Field value | `String | Number` | - |
| label | Field label | `String` | - |
| type | Input type | `String` | `text` |
| size | Sizecan be set to `large` | `String` | - |
| border | Whether to show inner border | `Boolean` | `true` |
| disabled | Whether to disable field | `Boolean` | `false` |
| readonly | Whether to be readonly | `Boolean` | `false` |
| required | Whether to show required mark | `Boolean` | `false` |
| clearable | Whether to be clearable | `Boolean` | `false` |
| clickable | Whether to show click feedback when clicked | `Boolean` | `false` |
| is-link | Whether to show link icon | `Boolean` | `false` |
| error | Whether to show error info | `Boolean` | `false` |
| error-message | Error message | `String` | `''` |
| label-class | Label className | `any` | - |
| label-width | Label width | `String | Number` | `90px` |
| label-align | Label text align, can be set to `center` `right` | `String` | `left` |
| input-align | Input text align, can be set to `center` `right` | `String` | `left` |
| error-message-align | Error message text align, can be set to `center` `right` | `String` | `left` |
| autosize | Textarea auto resizecan accpet an object,<br>e.g. { maxHeight: 100, minHeight: 50 } | `Boolean | Object` | `false` |
| left-icon | Left side icon name | `String` | - |
| right-icon | Right side icon name | `String` | - |
### Events
Field support all native events of input tagsuch as `focus`、`blur`、`keypress`
| Event | Description | Parameters |
|------|------|------|
| input | Triggered when value changed | - |
| click | Triggered when click field | - |
| clear | Triggered when click clear icon | - |
| click-left-icon | Triggered when click the left icon of Field | - |
| click-right-icon | Triggered when click the right icon of Field | - |
### Methods
Use ref to get field instance and call instance methods
| Name | Attribute | Return value | Description |
|------|------|------|------|
| focus | - | - | Trigger input focus |
| blur | - | - | Trigger input blur |
### Slots
| Name | Description |
|------|------|
| label | Custom label |
| input | Custom input |
| left-icon | Custom left icon |
| right-icon | Custom right icon |
| button | Insert button |
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import Icon from '../icon';
import Cell from '../cell';
import { cellProps } from '../cell/shared';
import { preventDefault } from '../utils/dom/event';
import { getRootScrollTop } from '../utils/dom/scroll';
import { createNamespace, isObj, isDef, suffixPx } from '../utils';
import { isIOS } from '../utils/validate/system';
const [createComponent, bem] = createNamespace('field');
export default createComponent({
inheritAttrs: false,
props: {
...cellProps,
error: Boolean,
leftIcon: String,
rightIcon: String,
readonly: Boolean,
clearable: Boolean,
labelWidth: [String, Number],
labelClass: null,
labelAlign: String,
inputAlign: String,
autosize: [Boolean, Object],
errorMessage: String,
errorMessageAlign: String,
type: {
type: String,
default: 'text'
}
},
data() {
return {
focused: false
};
},
watch: {
value() {
this.$nextTick(this.adjustSize);
}
},
mounted() {
this.format();
this.$nextTick(this.adjustSize);
},
computed: {
showClear() {
return (
this.clearable &&
this.focused &&
this.value !== '' &&
isDef(this.value) &&
!this.readonly
);
},
listeners() {
const listeners = {
...this.$listeners,
input: this.onInput,
keypress: this.onKeypress,
focus: this.onFocus,
blur: this.onBlur
};
delete listeners.click;
return listeners;
},
labelStyle() {
const { labelWidth } = this;
if (labelWidth) {
return { width: suffixPx(labelWidth) };
}
}
},
methods: {
focus() {
if (this.$refs.input) {
this.$refs.input.focus();
}
},
blur() {
if (this.$refs.input) {
this.$refs.input.blur();
}
},
// native maxlength not work when type = number
format(target = this.$refs.input) {
if (!target) {
return;
}
let { value } = target;
const { maxlength } = this.$attrs;
if (this.type === 'number' && isDef(maxlength) && value.length > maxlength) {
value = value.slice(0, maxlength);
target.value = value;
}
return value;
},
onInput(event) {
// not update v-model when composing
if (event.target.composing) {
return;
}
this.$emit('input', this.format(event.target));
},
onFocus(event) {
this.focused = true;
this.$emit('focus', event);
// hack for safari
/* istanbul ignore if */
if (this.readonly) {
this.blur();
}
},
onBlur(event) {
this.focused = false;
this.$emit('blur', event);
// Hack for iOS12 page scroll
// https://developers.weixin.qq.com/community/develop/doc/00044ae90742f8c82fb78fcae56800
/* istanbul ignore next */
if (isIOS()) {
window.scrollTo(0, getRootScrollTop());
}
},
onClick(event) {
this.$emit('click', event);
},
onClickLeftIcon() {
this.$emit('click-left-icon');
},
onClickRightIcon() {
this.$emit('click-right-icon');
},
onClear(event) {
preventDefault(event);
this.$emit('input', '');
this.$emit('clear');
},
onKeypress(event) {
if (this.type === 'number') {
const { keyCode } = event;
const allowPoint = String(this.value).indexOf('.') === -1;
const isValidKey =
(keyCode >= 48 && keyCode <= 57) ||
(keyCode === 46 && allowPoint) ||
keyCode === 45;
if (!isValidKey) {
preventDefault(event);
}
}
// trigger blur after click keyboard search button
/* istanbul ignore next */
if (this.type === 'search' && event.keyCode === 13) {
this.blur();
}
this.$emit('keypress', event);
},
adjustSize() {
const { input } = this.$refs;
if (!(this.type === 'textarea' && this.autosize) || !input) {
return;
}
input.style.height = 'auto';
let height = input.scrollHeight;
if (isObj(this.autosize)) {
const { maxHeight, minHeight } = this.autosize;
if (maxHeight) {
height = Math.min(height, maxHeight);
}
if (minHeight) {
height = Math.max(height, minHeight);
}
}
if (height) {
input.style.height = height + 'px';
}
},
renderInput() {
const inputSlot = this.slots('input');
if (inputSlot) {
return (
<div class={bem('control', this.inputAlign)}>
{inputSlot}
</div>
);
}
const inputProps = {
ref: 'input',
class: bem('control', this.inputAlign),
domProps: {
value: this.value
},
attrs: {
...this.$attrs,
readonly: this.readonly
},
on: this.listeners,
// add model directive to skip IME composition
directives: [
{
name: 'model',
value: this.value
}
]
};
if (this.type === 'textarea') {
return <textarea {...inputProps} />;
}
return <input type={this.type} {...inputProps} />;
},
renderLeftIcon() {
const showLeftIcon = this.slots('left-icon') || this.leftIcon;
if (showLeftIcon) {
return (
<div class={bem('left-icon')} onClick={this.onClickLeftIcon}>
{this.slots('left-icon') || <Icon name={this.leftIcon} />}
</div>
);
}
},
renderRightIcon() {
const { slots } = this;
const showRightIcon = slots('right-icon') || this.rightIcon;
if (showRightIcon) {
return (
<div class={bem('right-icon')} onClick={this.onClickRightIcon}>
{slots('right-icon') || <Icon name={this.rightIcon} />}
</div>
);
}
}
},
render(h) {
const { slots, labelAlign } = this;
const scopedSlots = {
icon: this.renderLeftIcon
};
if (slots('label')) {
scopedSlots.title = () => slots('label');
}
return (
<Cell
icon={this.leftIcon}
size={this.size}
title={this.label}
center={this.center}
border={this.border}
isLink={this.isLink}
required={this.required}
clickable={this.clickable}
titleStyle={this.labelStyle}
titleClass={[bem('label', labelAlign), this.labelClass]}
class={bem({
error: this.error,
disabled: this.$attrs.disabled,
[`label-${labelAlign}`]: labelAlign,
'min-height': this.type === 'textarea' && !this.autosize
})}
scopedSlots={scopedSlots}
onClick={this.onClick}
>
<div class={bem('body')}>
{this.renderInput()}
{this.showClear && (
<Icon name="clear" class={bem('clear')} onTouchstart={this.onClear} />
)}
{this.renderRightIcon()}
{slots('button') && <div class={bem('button')}>{slots('button')}</div>}
</div>
{this.errorMessage && (
<div class={bem('error-message', this.errorMessageAlign)}>
{this.errorMessage}
</div>
)}
</Cell>
);
}
});
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@import '../style/var';
.van-field {
&__label {
flex: none;
width: @field-label-width;
&--center {
text-align: center;
}
&--right {
text-align: right;
}
}
&__body {
display: flex;
align-items: center;
}
&__control {
display: block;
box-sizing: border-box;
width: 100%;
margin: 0;
padding: 0;
color: @field-input-text-color;
text-align: left;
background-color: transparent;
border: 0;
resize: none;
&::placeholder {
color: @field-placeholder-text-color;
}
&:disabled {
color: @field-input-disabled-text-color;
background-color: transparent;
opacity: 1;
}
&--center {
text-align: center;
}
&--right {
text-align: right;
}
/* for ios wechat */
&[type="date"],
&[type="time"],
&[type="datetime-local"] {
min-height: @cell-line-height;
}
}
&__clear,
&__icon,
&__button,
&__right-icon {
flex-shrink: 0;
}
&__clear,
&__right-icon {
margin-right: -10px;
padding: 0 10px;
line-height: inherit;
}
&__clear {
color: @field-clear-icon-color;
font-size: @field-clear-icon-size;
}
&__left-icon .van-icon,
&__right-icon .van-icon {
display: block;
min-width: 1em;
font-size: @field-icon-size;
line-height: inherit;
}
&__left-icon {
margin-right: 5px;
}
&__right-icon {
color: @field-right-icon-color;
}
&__button {
padding-left: 10px;
}
&__error-message {
color: @field-error-message-color;
font-size: @field-error-message-text-color;
text-align: left;
&--center {
text-align: center;
}
&--right {
text-align: right;
}
}
&--disabled {
.van-field__control {
color: @field-input-disabled-text-color;
}
}
&--error {
.van-field__control {
&,
&::placeholder {
color: @field-input-error-text-color;
}
}
}
&--min-height {
.van-field__control {
min-height: @field-text-area-min-height;
}
}
}
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// Jest Snapshot v1, https://goo.gl/fbAQLP
exports[`renders demo correctly 1`] = `
<div>
<div>
<div class="van-cell-group van-hairline--top-bottom">
<div class="van-cell van-field">
<div class="van-cell__value van-cell__value--alone">
<div class="van-field__body"><input type="text" placeholder="请输入用户名" class="van-field__control"></div>
</div>
</div>
</div>
</div>
<div>
<div class="van-cell-group van-hairline--top-bottom">
<div class="van-cell van-cell--required van-field">
<div class="van-cell__title van-field__label"><span>用户名</span></div>
<div class="van-cell__value">
<div class="van-field__body"><input type="text" placeholder="请输入用户名" class="van-field__control">
<div class="van-field__right-icon"><i class="van-icon van-icon-question-o">
<!----></i></div>
</div>
</div>
</div>
<div class="van-cell van-cell--required van-field">
<div class="van-cell__title van-field__label"><span>密码</span></div>
<div class="van-cell__value">
<div class="van-field__body"><input type="password" placeholder="请输入密码" class="van-field__control"></div>
</div>
</div>
</div>
</div>
<div>
<div class="van-cell-group van-hairline--top-bottom">
<div class="van-cell van-field">
<div class="van-field__left-icon"><i class="van-icon van-icon-contact">
<!----></i></div>
<div class="van-cell__title van-field__label"><span>用户名</span></div>
<div class="van-cell__value">
<div class="van-field__body"><input type="text" disabled="disabled" class="van-field__control"></div>
</div>
</div>
</div>
</div>
<div>
<div class="van-cell-group van-hairline--top-bottom">
<div class="van-cell van-field van-field--error">
<div class="van-cell__title van-field__label"><span>用户名</span></div>
<div class="van-cell__value">
<div class="van-field__body"><input type="text" placeholder="请输入用户名" class="van-field__control"></div>
</div>
</div>
<div class="van-cell van-field">
<div class="van-cell__title van-field__label"><span>手机号</span></div>
<div class="van-cell__value">
<div class="van-field__body"><input type="text" placeholder="请输入手机号" class="van-field__control"></div>
<div class="van-field__error-message">手机号格式错误</div>
</div>
</div>
</div>
</div>
<div>
<div class="van-cell-group van-hairline--top-bottom">
<div class="van-cell van-field">
<div class="van-cell__title van-field__label"><span>留言</span></div>
<div class="van-cell__value">
<div class="van-field__body"><textarea placeholder="请输入留言" rows="1" class="van-field__control" style="height: auto;"></textarea></div>
</div>
</div>
</div>
</div>
<div>
<div class="van-cell-group van-hairline--top-bottom">
<div class="van-cell van-cell--center van-field">
<div class="van-cell__title van-field__label"><span>短信验证码</span></div>
<div class="van-cell__value">
<div class="van-field__body"><input type="text" placeholder="请输入短信验证码" class="van-field__control">
<div class="van-field__button"><button class="van-button van-button--primary van-button--small"><span class="van-button__text">
发送验证码
</span></button></div>
</div>
</div>
</div>
</div>
</div>
</div>
`;
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// Jest Snapshot v1, https://goo.gl/fbAQLP
exports[`clearable 1`] = `
<div class="van-cell van-field">
<div class="van-cell__value van-cell__value--alone">
<div class="van-field__body"><input type="text" class="van-field__control"></div>
</div>
</div>
`;
exports[`clearable 2`] = `
<div class="van-cell van-field">
<div class="van-cell__value van-cell__value--alone">
<div class="van-field__body"><input type="text" class="van-field__control"><i class="van-icon van-icon-clear van-field__clear">
<!----></i></div>
</div>
</div>
`;
exports[`label-class prop 1`] = `
<div class="van-cell van-field">
<div class="van-cell__title van-field__label custom-label-class"><span>Label</span></div>
<div class="van-cell__value">
<div class="van-field__body"><input type="text" class="van-field__control"></div>
</div>
</div>
`;
exports[`label-width prop with unit 1`] = `
<div class="van-cell van-field">
<div class="van-cell__title van-field__label" style="width: 10rem;"><span>Label</span></div>
<div class="van-cell__value">
<div class="van-field__body"><input type="text" class="van-field__control"></div>
</div>
</div>
`;
exports[`label-width prop without unit 1`] = `
<div class="van-cell van-field">
<div class="van-cell__title van-field__label" style="width: 100px;"><span>Label</span></div>
<div class="van-cell__value">
<div class="van-field__body"><input type="text" class="van-field__control"></div>
</div>
</div>
`;
exports[`render input slot 1`] = `
<div class="van-cell van-field">
<div class="van-cell__value van-cell__value--alone">
<div class="van-field__body">
<div class="van-field__control">Custom Input</div>
</div>
</div>
</div>
`;
exports[`render label slot 1`] = `
<div class="van-cell van-field">
<div class="van-cell__title van-field__label">Custom Label</div>
<div class="van-cell__value">
<div class="van-field__body"><input type="text" class="van-field__control"></div>
</div>
</div>
`;
exports[`render textarea 1`] = `
<div class="van-cell van-field">
<div class="van-cell__value van-cell__value--alone">
<div class="van-field__body"><textarea class="van-field__control" style="height: auto;"></textarea></div>
</div>
</div>
`;
exports[`size prop 1`] = `
<div class="van-cell van-cell--large van-field">
<div class="van-cell__value van-cell__value--alone">
<div class="van-field__body"><input type="text" class="van-field__control"></div>
</div>
</div>
`;
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import Demo from '../demo';
import demoTest from '../../../test/demo-test';
demoTest(Demo);
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import Field from '..';
import { mount, later } from '../../../test/utils';
test('input event', () => {
const wrapper = mount(Field);
const input = wrapper.find('input');
input.element.value = '1';
input.trigger('input');
expect(wrapper.emitted('input')[0][0]).toEqual('1');
});
test('click event', () => {
const wrapper = mount(Field);
wrapper.trigger('click');
expect(wrapper.emitted('click')[0][0]).toBeTruthy();
});
test('click icon event', () => {
const wrapper = mount(Field, {
propsData: {
value: 'a',
leftIcon: 'contact',
rightIcon: 'search'
}
});
wrapper.find('.van-field__left-icon').trigger('click');
wrapper.find('.van-field__right-icon').trigger('click');
expect(wrapper.emitted('click-left-icon')).toBeTruthy();
expect(wrapper.emitted('click-right-icon')).toBeTruthy();
});
test('keypress event', () => {
const wrapper = mount(Field, {
propsData: {
value: '',
type: 'number'
}
});
const fn = jest.fn();
const { calls } = fn.mock;
const press = keyCode => wrapper.vm.onKeypress({
keyCode,
preventDefault: fn
});
press(0);
expect(calls.length).toBe(1);
press(50);
expect(calls.length).toBe(1);
wrapper.setProps({ value: '0.1' });
press(46);
expect(calls.length).toBe(2);
wrapper.setProps({ type: 'text' });
press(0);
expect(calls.length).toBe(2);
});
test('render textarea', async () => {
const wrapper = mount(Field, {
propsData: {
type: 'textarea',
autosize: true
}
});
await later();
expect(wrapper).toMatchSnapshot();
});
test('autosize textarea field', () => {
const wrapper = mount(Field, {
propsData: {
type: 'textarea',
autosize: {}
}
});
const value = '1'.repeat(20);
const textarea = wrapper.find('.van-field__control');
wrapper.setProps({ value });
expect(textarea.element.value).toEqual(value);
});
test('autosize object', async () => {
const wrapper = mount(Field, {
propsData: {
type: 'textarea',
autosize: {
maxHeight: 100,
minHeight: 50
}
}
});
const textarea = wrapper.find('.van-field__control');
await later();
expect(textarea.element.style.height).toEqual(('50px'));
});
test('blur method', () => {
const fn = jest.fn();
const wrapper = mount(Field);
wrapper.vm.$on('blur', fn);
wrapper.find('input').element.focus();
wrapper.vm.blur();
expect(fn).toHaveBeenCalledTimes(1);
});
test('focus method', () => {
const fn = jest.fn();
const wrapper = mount(Field);
wrapper.vm.$on('focus', fn);
wrapper.vm.focus();
expect(fn).toHaveBeenCalledTimes(1);
});
test('maxlength', async () => {
const wrapper = mount(Field, {
attrs: {
maxlength: 3
},
propsData: {
value: 1234,
type: 'number'
}
});
const input = wrapper.find('input');
expect(input.element.value).toEqual('123');
input.element.value = 1234;
await later();
input.trigger('input');
expect(input.element.value).toEqual('123');
expect(wrapper.emitted('input')[0][0]).toEqual('123');
});
test('clearable', () => {
const wrapper = mount(Field, {
propsData: {
value: 'test',
clearable: true
}
});
expect(wrapper).toMatchSnapshot();
const input = wrapper.find('input');
input.trigger('focus');
expect(wrapper).toMatchSnapshot();
wrapper.find('.van-field__clear').trigger('touchstart');
expect(wrapper.emitted('input')[0][0]).toEqual('');
expect(wrapper.emitted('clear')).toBeTruthy();
});
test('render input slot', () => {
const wrapper = mount({
template: `
<field>
<template v-slot:input>Custom Input</template>
</field>
`,
components: {
Field
}
});
expect(wrapper).toMatchSnapshot();
});
test('render label slot', () => {
const wrapper = mount({
template: `
<field label="Default Label">
<template v-slot:label>Custom Label</template>
</field>
`,
components: {
Field
}
});
expect(wrapper).toMatchSnapshot();
});
test('size prop', () => {
const wrapper = mount(Field, {
propsData: {
size: 'large'
}
});
expect(wrapper).toMatchSnapshot();
});
test('label-width prop with unit', () => {
const wrapper = mount(Field, {
propsData: {
label: 'Label',
labelWidth: '10rem'
}
});
expect(wrapper).toMatchSnapshot();
});
test('label-width prop without unit', () => {
const wrapper = mount(Field, {
propsData: {
label: 'Label',
labelWidth: 100
}
});
expect(wrapper).toMatchSnapshot();
});
test('label-class prop', () => {
const wrapper = mount(Field, {
propsData: {
label: 'Label',
labelClass: 'custom-label-class'
}
});
expect(wrapper).toMatchSnapshot();
});
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# Field 输入框
### 介绍
表单中的输入框组件,支持`input``textarea`两种类型
### 引入
``` javascript
import { Field } from 'vant';
Vue.use(Field);
```
## 代码演示
### 基础用法
通过 v-model 绑定输入框的值
```html
<van-cell-group>
<van-field v-model="value" placeholder="请输入用户名" />
</van-cell-group>
```
### 自定义类型
根据`type`属性定义不同类型的输入框
```html
<van-cell-group>
<van-field
v-model="username"
required
clearable
label="用户名"
right-icon="question-o"
placeholder="请输入用户名"
@click-right-icon="$toast('question')"
/>
<van-field
v-model="password"
type="password"
label="密码"
placeholder="请输入密码"
required
/>
</van-cell-group>
```
### 禁用输入框
```html
<van-cell-group>
<van-field
value="输入框已禁用"
label="用户名"
left-icon="contact"
disabled
/>
</van-cell-group>
```
### 错误提示
通过`error`或者`error-message`属性增加对应的错误提示
```html
<van-cell-group>
<van-field
v-model="username"
label="用户名"
placeholder="请输入用户名"
error
/>
<van-field
v-model="phone"
label="手机号"
placeholder="请输入手机号"
error-message="手机号格式错误"
/>
</van-cell-group>
```
### 高度自适应
对于 textarea,可以通过`autosize`属性设置高度自适应
```html
<van-cell-group>
<van-field
v-model="message"
label="留言"
type="textarea"
placeholder="请输入留言"
rows="1"
autosize
/>
</van-cell-group>
```
### 插入按钮
通过 button 插槽可以在输入框尾部插入按钮
```html
<van-cell-group>
<van-field
v-model="sms"
center
clearable
label="短信验证码"
placeholder="请输入短信验证码"
>
<van-button slot="button" size="small" type="primary">发送验证码</van-button>
</van-field>
</van-cell-group>
```
## API
### Props
Field 默认支持 Input 标签所有的原生属性,比如 `maxlength`、`placeholder`、`autofocus` 等
| 参数 | 说明 | 类型 | 默认值 | 版本 |
|------|------|------|------|------|------|
| label | 输入框左侧文本 | `String` | - | - |
| value | 当前输入的值 | `String | Number` | - | - |
| type | 可设置为原生类型, 如 `number` `tel` `textarea` | `String` | `text` | - |
| size | 大小,可选值为 `large` | `String` | - | 1.6.9 |
| border | 是否显示内边框 | `Boolean` | `true` | - |
| disabled | 是否禁用输入框 | `Boolean` | `false` | - |
| readonly | 是否只读 | `Boolean` | `false` | - |
| required | 是否显示表单必填星号 | `Boolean` | `false` | - |
| clearable | 是否启用清除控件 | `Boolean` | `false` | 1.1.9 |
| clickable | 是否开启点击反馈 | `Boolean` | `false` | 2.0.0 |
| is-link | 是否展示右侧箭头并开启点击反馈 | `Boolean` | `false` | 1.1.10 |
| error | 是否将输入内容标红 | `Boolean` | `false` | - |
| error-message | 底部错误提示文案,为空时不展示 | `String` | `''` | -
| label-class | 左侧文本额外类名 | `any` | - | 2.0.0 |
| label-width | 左侧文本宽度,可指定单位,默认为 px | `String | Number` | `90px` | 1.6.17 |
| label-align | 左侧文本对齐方式,可选值为 `center` `right` | `String` | `left` | 1.1.10 |
| input-align | 输入框内容对齐方式,可选值为 `center` `right` | `String` | `left` | 1.1.10 |
| error-message-align | 错误提示文案对齐方式,可选值为 `center` `right` | `String` | `left` | 1.6.11 |
| autosize | 自适应内容高度,只对 textarea 有效,可传入对象,<br>如 { maxHeight: 100, minHeight: 50 },单位为 px | `Boolean | Object` | `false` | 1.0.0 |
| left-icon | 输入框左侧图标名称或图片链接,可选值见 Icon 组件 | `String` | - | 1.5.7 |
| right-icon | 输入框尾部图标名称或图片链接,可选值见 Icon 组件 | `String` | - | 1.5.7 |
### Events
Field 默认支持 Input 标签所有的原生事件,如 `focus`、`blur`、`keypress` 等
| 事件 | 说明 | 回调参数 |
|------|------|------|
| input | 输入框内容变化时触发 | - |
| click | 点击时触发 | - |
| clear | 点击清除按钮后触发 | - |
| click-left-icon | 点击头部图标时触发 | - |
| click-right-icon | 点击尾部图标时触发 | - |
### 方法
通过 ref 可以获取到 field 实例并调用实例方法
| 方法名 | 参数 | 返回值 | 介绍 |
|------|------|------|------|
| focus | - | - | 获取输入框焦点 |
| blur | - | - | 取消输入框焦点 |
### Slots
| 名称 | 说明 |
|------|------|
| label | 自定义输入框标签 |
| input | 自定义输入框,使用此插槽后,与输入框相关的属性和事件将失效 |
| left-icon | 自定义输入框头部图标 |
| right-icon | 自定义输入框尾部图标 |
| button | 自定义输入框尾部按钮 |