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<template> <view class="u-search" @tap="clickHandler" :style="[{ margin: margin, }, addStyle(customStyle)]" > <view class="u-search__content" :style="{ backgroundColor: bgColor, borderRadius: shape == 'round' ? '100px' : '4px', borderColor: borderColor, }" > <template v-if="$slots.label || label !== null"> <slot name="label"> <text class="u-search__content__label">{{ label }}</text> </slot> </template> <view class="u-search__content__icon"> <u-icon @tap="clickIcon" :size="searchIconSize" :name="searchIcon" :color="searchIconColor ? searchIconColor : color" ></u-icon> </view> <input confirm-type="search" @blur="blur" :value="keyword" @confirm="search" @input="inputChange" :disabled="disabled" @focus="getFocus" :focus="focus" :maxlength="maxlength" :adjust-position="adjustPosition" :auto-blur="autoBlur" placeholder-class="u-search__content__input--placeholder" :placeholder="placeholder" :placeholder-style="`color: ${placeholderColor}`" class="u-search__content__input" type="text" :style="[{ textAlign: inputAlign, color: color, backgroundColor: bgColor, height: addUnit(height) }, inputStyle]" /> <view class="u-search__content__icon u-search__content__close" v-if="keyword && clearabled && focused" @click="clear" > <u-icon name="close" size="11" color="#ffffff" customStyle="line-height: 12px" ></u-icon> </view> </view> <text :style="[actionStyle]" class="u-search__action" :class="[(showActionBtn || show) && 'u-search__action--active']" @tap.stop.prevent="custom" >{{ actionText }}</text> </view> </template>
<script> import { props } from './props'; import { mpMixin } from '../../libs/mixin/mpMixin'; import { mixin } from '../../libs/mixin/mixin'; import { addUnit, addStyle } from '../../libs/function/index'; /** * search 搜索框 * @description 搜索组件,集成了常见搜索框所需功能,用户可以一键引入,开箱即用。 * @tutorial https://ijry.github.io/uview-plus/components/search.html
* @property {String} shape 搜索框形状,round-圆形,square-方形(默认 'round' ) * @property {String} bgColor 搜索框背景颜色(默认 '#f2f2f2' ) * @property {String} placeholder 占位文字内容(默认 '请输入关键字' ) * @property {Boolean} clearabled 是否启用清除控件(默认 true ) * @property {Boolean} focus 是否自动获得焦点(默认 false ) * @property {Boolean} showAction 是否显示右侧控件(默认 true ) * @property {Object} actionStyle 右侧控件的样式,对象形式 * @property {String} actionText 右侧控件文字(默认 '搜索' ) * @property {String} inputAlign 输入框内容水平对齐方式 (默认 'left' ) * @property {Object} inputStyle 自定义输入框样式,对象形式 * @property {Boolean} disabled 是否启用输入框(默认 false ) * @property {String} borderColor 边框颜色,配置了颜色,才会有边框 (默认 'transparent' ) * @property {String} searchIconColor 搜索图标的颜色,默认同输入框字体颜色 (默认 '#909399' ) * @property {Number | String} searchIconSize 搜索图标的字体,默认22 * @property {String} color 输入框字体颜色(默认 '#606266' ) * @property {String} placeholderColor placeholder的颜色(默认 '#909399' ) * @property {String} searchIcon 输入框左边的图标,可以为uView图标名称或图片路径 (默认 'search' ) * @property {String} margin 组件与其他上下左右元素之间的距离,带单位的字符串形式,如"30px" (默认 '0' ) * @property {Boolean} animation 是否开启动画,见上方说明(默认 false ) * @property {String} value 输入框初始值 * @property {String | Number} maxlength 输入框最大能输入的长度,-1为不限制长度 (默认 '-1' ) * @property {String | Number} height 输入框高度,单位px(默认 64 ) * @property {String | Number} label 搜索框左边显示内容 * @property {Boolean} adjustPosition 键盘弹起时,是否自动上推页面 * @property {Boolean} autoBlur 键盘收起时,是否自动失去焦点 * @property {Object} customStyle 定义需要用到的外部样式 * * @event {Function} change 输入框内容发生变化时触发 * @event {Function} search 用户确定搜索时触发,用户按回车键,或者手机键盘右下角的"搜索"键时触发 * @event {Function} custom 用户点击右侧控件时触发 * @event {Function} clear 用户点击清除按钮时触发 * @example <u-search placeholder="日照香炉生紫烟" v-model="keyword"></u-search> */ export default { name: "u-search", mixins: [mpMixin, mixin, props], data() { return { keyword: '', showClear: false, // 是否显示右边的清除图标
show: false, // 标记input当前状态是否处于聚焦中,如果是,才会显示右侧的清除控件
focused: this.focus // 绑定输入框的值
// inputValue: this.value
}; }, watch: { keyword(nVal) { // 双向绑定值,让v-model绑定的值双向变化
// #ifdef VUE3
this.$emit("update:modelValue", nVal); // #endif
// #ifdef VUE2
this.$emit('input', nVal); // #endif
// 触发change事件,事件效果和v-model双向绑定的效果一样,让用户多一个选择
this.$emit('change', nVal); }, // #ifdef VUE3
modelValue: { immediate: true, handler(nVal) { this.keyword = nVal; } }, // #endif
// #ifdef VUE2
value: { immediate: true, handler(nVal) { this.keyword = nVal; } }, // #endif
}, computed: { showActionBtn() { return !this.animation && this.showAction } }, emits: ['clear', 'search', 'custom', 'focus', 'blur', 'click', 'clickIcon', 'update:modelValue', 'change'], methods: { addStyle, addUnit, // 目前HX2.6.9 v-model双向绑定无效,故监听input事件获取输入框内容的变化
inputChange(e) { this.keyword = e.detail.value; }, // 清空输入
// 也可以作为用户通过this.$refs形式调用清空输入框内容
clear() { this.keyword = ''; // 延后发出事件,避免在父组件监听clear事件时,value为更新前的值(不为空)
this.$nextTick(() => { this.$emit('clear'); }) }, // 确定搜索
search(e) { this.$emit('search', e.detail.value); try { // 收起键盘
uni.hideKeyboard(); } catch (e) {} }, // 点击右边自定义按钮的事件
custom() { this.$emit('custom', this.keyword); try { // 收起键盘
uni.hideKeyboard(); } catch (e) {} }, // 获取焦点
getFocus() { this.focused = true; // 开启右侧搜索按钮展开的动画效果
if (this.animation && this.showAction) this.show = true; this.$emit('focus', this.keyword); }, // 失去焦点
blur() { // 最开始使用的是监听图标@touchstart事件,自从hx2.8.4后,此方法在微信小程序出错
// 这里改为监听点击事件,手点击清除图标时,同时也发生了@blur事件,导致图标消失而无法点击,这里做一个延时
setTimeout(() => { this.focused = false; }, 100) this.show = false; this.$emit('blur', this.keyword); }, // 点击搜索框,只有disabled=true时才发出事件,因为禁止了输入,意味着是想跳转真正的搜索页
clickHandler() { if (this.disabled) this.$emit('click'); }, // 点击左边图标
clickIcon(e) { this.$emit('clickIcon', this.keyword); try { // 收起键盘
uni.hideKeyboard(); } catch (e) {} } } } </script>
<style lang="scss" scoped> @import "../../libs/css/components.scss"; $u-search-content-padding: 0 10px !default; $u-search-label-color: $u-main-color !default; $u-search-label-font-size: 14px !default; $u-search-label-margin: 0 4px !default; $u-search-close-size: 20px !default; $u-search-close-radius: 100px !default; $u-search-close-bgColor: #C6C7CB !default; $u-search-close-transform: scale(0.82) !default; $u-search-input-font-size: 14px !default; $u-search-input-margin: 0 5px !default; $u-search-input-color: $u-main-color !default; $u-search-input-placeholder-color: $u-tips-color !default; $u-search-action-font-size: 14px !default; $u-search-action-color: $u-main-color !default; $u-search-action-width: 0 !default; $u-search-action-active-width: 40px !default; $u-search-action-margin-left: 5px !default;
/* #ifdef H5 */ // iOS15在H5下,hx的某些版本,input type=search时,会多了一个搜索图标,进行移除
[type="search"]::-webkit-search-decoration { display: none; } /* #endif */
.u-search { @include flex(row); align-items: center; flex: 1;
&__content { @include flex; align-items: center; padding: $u-search-content-padding; flex: 1; justify-content: space-between; border-width: 1px; border-color: transparent; border-style: solid; overflow: hidden;
&__icon { @include flex; align-items: center; }
&__label { color: $u-search-label-color; font-size: $u-search-label-font-size; margin: $u-search-label-margin; }
&__close { width: $u-search-close-size; height: $u-search-close-size; border-top-left-radius: $u-search-close-radius; border-top-right-radius: $u-search-close-radius; border-bottom-left-radius: $u-search-close-radius; border-bottom-right-radius: $u-search-close-radius; background-color: $u-search-close-bgColor; @include flex(row); align-items: center; justify-content: center; transform: $u-search-close-transform; }
&__input { flex: 1; font-size: $u-search-input-font-size; line-height: 1; margin: $u-search-input-margin; color: $u-search-input-color;
&--placeholder { color: $u-search-input-placeholder-color; } } }
&__action { font-size: $u-search-action-font-size; color: $u-search-action-color; width: $u-search-action-width; overflow: hidden; transition-property: width; transition-duration: 0.3s; /* #ifndef APP-NVUE */ white-space: nowrap; /* #endif */ text-align: center;
&--active { width: $u-search-action-active-width; margin-left: $u-search-action-margin-left; } } } </style>
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