New file |
| | |
| | | <template> |
| | | <view class="u-form-item"> |
| | | <view |
| | | class="u-form-item__body" |
| | | @tap="clickHandler" |
| | | :style="[$u.addStyle(customStyle), { |
| | | flexDirection: (labelPosition || parentData.labelPosition) === 'left' ? 'row' : 'column' |
| | | }]" |
| | | > |
| | | <!-- 微信小程序中,将一个参数设置空字符串,结果会变成字符串"true" --> |
| | | <slot name="label"> |
| | | <!-- {{required}} --> |
| | | <view |
| | | class="u-form-item__body__left" |
| | | v-if="required || leftIcon || label" |
| | | :style="{ |
| | | width: $u.addUnit(labelWidth || parentData.labelWidth), |
| | | marginBottom: parentData.labelPosition === 'left' ? 0 : '5px', |
| | | }" |
| | | > |
| | | <!-- 为了块对齐 --> |
| | | <view class="u-form-item__body__left__content"> |
| | | <!-- nvue不支持伪元素before --> |
| | | <text |
| | | v-if="required" |
| | | class="u-form-item__body__left__content__required" |
| | | >*</text> |
| | | <view |
| | | class="u-form-item__body__left__content__icon" |
| | | v-if="leftIcon" |
| | | > |
| | | <u-icon |
| | | :name="leftIcon" |
| | | :custom-style="leftIconStyle" |
| | | ></u-icon> |
| | | </view> |
| | | <text |
| | | class="u-form-item__body__left__content__label" |
| | | :style="[parentData.labelStyle, { |
| | | justifyContent: parentData.labelAlign === 'left' ? 'flex-start' : parentData.labelAlign === 'center' ? 'center' : 'flex-end' |
| | | }]" |
| | | >{{ label }}</text> |
| | | </view> |
| | | </view> |
| | | </slot> |
| | | <view class="u-form-item__body__right"> |
| | | <view class="u-form-item__body__right__content"> |
| | | <view class="u-form-item__body__right__content__slot"> |
| | | <slot /> |
| | | </view> |
| | | <view |
| | | class="item__body__right__content__icon" |
| | | v-if="$slots.right" |
| | | > |
| | | <slot name="right" /> |
| | | </view> |
| | | </view> |
| | | </view> |
| | | </view> |
| | | <slot name="error"> |
| | | <text |
| | | v-if="!!message && parentData.errorType === 'message'" |
| | | class="u-form-item__body__right__message" |
| | | :style="{ |
| | | marginLeft: $u.addUnit(parentData.labelPosition === 'top' ? 0 : (labelWidth || parentData.labelWidth)) |
| | | }" |
| | | >{{ message }}</text> |
| | | </slot> |
| | | <u-line |
| | | v-if="borderBottom" |
| | | :color="message && parentData.errorType === 'border-bottom' ? $u.color.error : propsLine.color" |
| | | :customStyle="`margin-top: ${message && parentData.errorType === 'message' ? '5px' : 0}`" |
| | | ></u-line> |
| | | </view> |
| | | </template> |
| | | |
| | | <script> |
| | | import props from './props.js'; |
| | | /** |
| | | * Form 表单 |
| | | * @description 此组件一般用于表单场景,可以配置Input输入框,Select弹出框,进行表单验证等。 |
| | | * @tutorial https://www.uviewui.com/components/form.html |
| | | * @property {String} label input的label提示语 |
| | | * @property {String} prop 绑定的值 |
| | | * @property {String | Boolean} borderBottom 是否显示表单域的下划线边框 |
| | | * @property {String | Number} labelWidth label的宽度,单位px |
| | | * @property {String} rightIcon 右侧图标 |
| | | * @property {String} leftIcon 左侧图标 |
| | | * @property {String | Object} leftIconStyle 左侧图标的样式 |
| | | * @property {Boolean} required 是否显示左边的必填星号,只作显示用,具体校验必填的逻辑,请在rules中配置 (默认 false ) |
| | | * |
| | | * @example <u-form-item label="姓名" prop="userInfo.name" borderBottom ref="item1"></u-form-item> |
| | | */ |
| | | export default { |
| | | name: 'u-form-item', |
| | | mixins: [uni.$u.mpMixin, uni.$u.mixin, props], |
| | | data() { |
| | | return { |
| | | // 错误提示语 |
| | | message: '', |
| | | parentData: { |
| | | // 提示文本的位置 |
| | | labelPosition: 'left', |
| | | // 提示文本对齐方式 |
| | | labelAlign: 'left', |
| | | // 提示文本的样式 |
| | | labelStyle: {}, |
| | | // 提示文本的宽度 |
| | | labelWidth: 45, |
| | | // 错误提示方式 |
| | | errorType: 'message' |
| | | } |
| | | } |
| | | }, |
| | | // 组件创建完成时,将当前实例保存到u-form中 |
| | | computed: { |
| | | propsLine() { |
| | | return uni.$u.props.line |
| | | } |
| | | }, |
| | | mounted() { |
| | | this.init() |
| | | }, |
| | | methods: { |
| | | init() { |
| | | // 父组件的实例 |
| | | this.updateParentData() |
| | | if (!this.parent) { |
| | | uni.$u.error('u-form-item需要结合u-form组件使用') |
| | | } |
| | | }, |
| | | // 获取父组件的参数 |
| | | updateParentData() { |
| | | // 此方法写在mixin中 |
| | | this.getParentData('u-form'); |
| | | }, |
| | | // 移除u-form-item的校验结果 |
| | | clearValidate() { |
| | | this.message = null |
| | | }, |
| | | // 清空当前的组件的校验结果,并重置为初始值 |
| | | resetField() { |
| | | // 找到原始值 |
| | | const value = uni.$u.getProperty(this.parent.originalModel, this.prop) |
| | | // 将u-form的model的prop属性链还原原始值 |
| | | uni.$u.setProperty(this.parent.model, this.prop, value) |
| | | // 移除校验结果 |
| | | this.message = null |
| | | }, |
| | | // 点击组件 |
| | | clickHandler() { |
| | | this.$emit('click') |
| | | } |
| | | }, |
| | | } |
| | | </script> |
| | | |
| | | <style lang="scss" scoped> |
| | | @import "../../libs/css/components.scss"; |
| | | |
| | | .u-form-item { |
| | | @include flex(column); |
| | | font-size: 14px; |
| | | color: $u-main-color; |
| | | |
| | | &__body { |
| | | @include flex; |
| | | padding: 10px 0; |
| | | |
| | | &__left { |
| | | @include flex; |
| | | align-items: center; |
| | | |
| | | &__content { |
| | | position: relative; |
| | | @include flex; |
| | | align-items: center; |
| | | padding-right: 10rpx; |
| | | flex: 1; |
| | | |
| | | &__icon { |
| | | margin-right: 8rpx; |
| | | } |
| | | |
| | | &__required { |
| | | position: absolute; |
| | | left: -9px; |
| | | color: $u-error; |
| | | line-height: 20px; |
| | | font-size: 20px; |
| | | top: 3px; |
| | | } |
| | | |
| | | &__label { |
| | | @include flex; |
| | | align-items: center; |
| | | flex: 1; |
| | | color: $u-main-color; |
| | | font-size: 15px; |
| | | } |
| | | } |
| | | } |
| | | |
| | | &__right { |
| | | flex: 1; |
| | | |
| | | &__content { |
| | | @include flex; |
| | | align-items: center; |
| | | flex: 1; |
| | | |
| | | &__slot { |
| | | flex: 1; |
| | | /* #ifndef MP */ |
| | | @include flex; |
| | | align-items: center; |
| | | /* #endif */ |
| | | } |
| | | |
| | | &__icon { |
| | | margin-left: 10rpx; |
| | | color: $u-light-color; |
| | | font-size: 30rpx; |
| | | } |
| | | } |
| | | |
| | | &__message { |
| | | font-size: 12px; |
| | | line-height: 12px; |
| | | color: $u-error; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | </style> |