frontend/examking-app/plugins/uview-ui/components/u-field/u-field.vue

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<template>
	<view class="u-field" :class="{'u-border-top': borderTop, 'u-border-bottom': borderBottom }">
		<view class="u-field-inner" :class="[type == 'textarea' ? 'u-textarea-inner' : '', 'u-label-postion-' + labelPosition]">
			<view class="u-label" :class="[required ? 'u-required' : '']" :style="{
				justifyContent: justifyContent, 
				flex: labelPosition == 'left' ? `0 0 ${labelWidth}rpx` : '1'
			}">
				<view class="u-icon-wrap" v-if="icon">
					<u-icon size="32" :custom-style="iconStyle" :name="icon" :color="iconColor" class="u-icon"></u-icon>
				</view>
				<slot name="icon"></slot>
				<text class="u-label-text" :class="[this.$slots.icon || icon ? 'u-label-left-gap' : '']">{{ label }}</text>
			</view>
			<view class="fild-body">
				<view class="u-flex-1 u-flex" :style="[inputWrapStyle]">
					<textarea v-if="type == 'textarea'" class="u-flex-1 u-textarea-class" :style="[fieldStyle]" :value="value"
					 :placeholder="placeholder" :placeholderStyle="placeholderStyle" :disabled="disabled" :maxlength="inputMaxlength"
					 :focus="focus" :autoHeight="autoHeight" :fixed="fixed" @input="onInput" @blur="onBlur" @focus="onFocus" @confirm="onConfirm"
					 @tap="fieldClick" />
					<input
						v-else
						:style="[fieldStyle]"
						:type="type"
						class="u-flex-1 u-field__input-wrap"
						:value="value"
						:password="password || this.type === 'password'"
						:placeholder="placeholder"
						:placeholderStyle="placeholderStyle"
						:disabled="disabled"
						:maxlength="inputMaxlength"
						:focus="focus"
						:confirmType="confirmType"
						@focus="onFocus"
						@blur="onBlur"
						@input="onInput"
						@confirm="onConfirm"
						@tap="fieldClick"
					/>
				</view>
				<u-icon :size="clearSize" v-if="clearable && value != '' && focused" name="close-circle-fill" color="#c0c4cc" class="u-clear-icon" @click="onClear"/>
				<view class="u-button-wrap"><slot name="right" /></view>
				<u-icon v-if="rightIcon" @click="rightIconClick" :name="rightIcon" color="#c0c4cc" :style="[rightIconStyle]" size="26" class="u-arror-right" />
			</view>
		</view>
		<view v-if="errorMessage !== false && errorMessage != ''" class="u-error-message" :style="{
			paddingLeft: labelWidth + 'rpx'
		}">{{ errorMessage }}</view>
	</view>
</template>

<script>
/**
 * field 输入框
 * @description 借助此组件，可以实现表单的输入， 有"text"和"textarea"类型的，此外，借助uView的picker和actionSheet组件可以快速实现上拉菜单，时间，地区选择等， 为表单解决方案的利器。
 * @tutorial https://www.uviewui.com/components/field.html
 * @property {String} type 输入框的类型（默认text）
 * @property {String} icon label左边的图标，限uView的图标名称
 * @property {Object} icon-style 左边图标的样式，对象形式
 * @property {Boolean} right-icon 输入框右边的图标名称，限uView的图标名称（默认false）
 * @property {Boolean} required 是否必填，左边您显示红色"*"号（默认false）