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- <template>
- <view class="u-search" @tap="clickHandler" :style="{
- margin: margin,
- }">
- <view
- class="u-content"
- :style="{
- backgroundColor: bgColor,
- borderRadius: shape == 'round' ? '100rpx' : '10rpx',
- border: borderStyle,
- height: height + 'rpx'
- }"
- >
- <view class="u-icon-wrap">
- <u-icon class="u-clear-icon" :size="40" :name="searchIcon" :color="searchIconColor ? searchIconColor : color"></u-icon>
- </view>
- <input
- confirm-type="search"
- @blur="blur"
- :value="value"
- @confirm="search"
- @input="inputChange"
- :disabled="disabled"
- @focus="getFocus"
- :focus="focus"
- :maxlength="maxlength"
- placeholder-class="u-placeholder-class"
- :placeholder="placeholder"
- :placeholder-style="`color: ${placeholderColor}`"
- class="u-input"
- type="text"
- :style="[{
- textAlign: inputAlign,
- color: color,
- backgroundColor: bgColor,
- }, inputStyle]"
- />
- <view class="u-close-wrap" v-if="keyword && clearabled && focused" @tap="clear">
- <u-icon class="u-clear-icon" name="close-circle-fill" size="34" color="#c0c4cc"></u-icon>
- </view>
- </view>
- <view :style="[actionStyle]" class="u-action"
- :class="[showActionBtn || show ? 'u-action-active' : '']"
- @tap.stop.prevent="custom"
- >{{ actionText }}</view>
- </view>
- </template>
- <script>
- /**
- * 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://www.uviewui.com/components/search.html
- * @property {String} shape 搜索框形状,round-圆形,square-方形(默认round)
- * @property {String} bg-color 搜索框背景颜色(默认#f2f2f2)
- * @property {String} border-color 边框颜色,配置了颜色,才会有边框
- * @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} show-action 是否显示右侧控件(默认true)
- * @property {String} action-text 右侧控件文字(默认“搜索”)
- * @property {Object} action-style 右侧控件的样式,对象形式
- * @property {String} input-align 输入框内容水平对齐方式(默认left)
- * @property {Object} input-style 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} search-icon-color 搜索图标的颜色,默认同输入框字体颜色
- * @property {String} color 输入框字体颜色(默认#606266)
- * @property {String} placeholder-color placeholder的颜色(默认#909399)
- * @property {String} search-icon 输入框左边的图标,可以为uView图标名称或图片路径
- * @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"30rpx"
- * @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
- * @property {Boolean} input-style input输入框的样式,可以定义文字颜色,大小等,对象形式
- * @property {String | Number} height 输入框高度,单位rpx(默认64)
- * @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",
- props: {
- // 搜索框形状,round-圆形,square-方形
- shape: {
- type: String,
- default: 'round'
- },
- // 搜索框背景色,默认值#f2f2f2
- bgColor: {
- type: String,
- default: '#f2f2f2'
- },
- // 占位提示文字
- placeholder: {
- type: String,
- default: '请输入关键字'
- },
- // 是否启用清除控件
- clearabled: {
- type: Boolean,
- default: true
- },
- // 是否自动聚焦
- focus: {
- type: Boolean,
- default: false
- },
- // 是否在搜索框右侧显示取消按钮
- showAction: {
- type: Boolean,
- default: true
- },
- // 右边控件的样式
- actionStyle: {
- type: Object,
- default() {
- return {};
- }
- },
- // 取消按钮文字
- actionText: {
- type: String,
- default: '搜索'
- },
- // 输入框内容对齐方式,可选值为 left|center|right
- inputAlign: {
- type: String,
- default: 'left'
- },
- // 是否启用输入框
- disabled: {
- type: Boolean,
- default: false
- },
- // 开启showAction时,是否在input获取焦点时才显示
- animation: {
- type: Boolean,
- default: false
- },
- // 边框颜色,只要配置了颜色,才会有边框
- borderColor: {
- type: String,
- default: 'none'
- },
- // 输入框的初始化内容
- value: {
- type: String,
- default: ''
- },
- // 搜索框高度,单位rpx
- height: {
- type: [Number, String],
- default: 64
- },
- // input输入框的样式,可以定义文字颜色,大小等,对象形式
- inputStyle: {
- type: Object,
- default() {
- return {}
- }
- },
- // 输入框最大能输入的长度,-1为不限制长度(来自uniapp文档)
- maxlength: {
- type: [Number, String],
- default: '-1'
- },
- // 搜索图标的颜色,默认同输入框字体颜色
- searchIconColor: {
- type: String,
- default: ''
- },
- // 输入框字体颜色
- color: {
- type: String,
- default: '#606266'
- },
- // placeholder的颜色
- placeholderColor: {
- type: String,
- default: '#909399'
- },
- // 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"30rpx"、"30rpx 20rpx"等写法
- margin: {
- type: String,
- default: '0'
- },
- // 左边输入框的图标,可以为uView图标名称或图片路径
- searchIcon: {
- type: String,
- default: 'search'
- }
- },
- 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
- this.$emit('input', nVal);
- // 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);
- },
- value: {
- immediate: true,
- handler(nVal) {
- this.keyword = nVal;
- }
- }
- },
- computed: {
- showActionBtn() {
- if (!this.animation && this.showAction) return true;
- else return false;
- },
- // 样式,根据用户传入的颜色值生成,如果不传入,默认为none
- borderStyle() {
- if (this.borderColor) return `1px solid ${this.borderColor}`;
- else return 'none';
- },
- },
- methods: {
- // 目前HX2.6.9 v-model双向绑定无效,故监听input事件获取输入框内容的变化
- inputChange(e) {
- this.keyword = e.detail.value;
- },
- // 清空输入
- // 也可以作为用户通过this.$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');
- }
- }
- };
- </script>
- <style lang="scss" scoped>
- @import "../../libs/css/style.components.scss";
- .u-search {
- @include vue-flex;
- align-items: center;
- flex: 1;
- }
- .u-content {
- @include vue-flex;
- align-items: center;
- padding: 0 18rpx;
- flex: 1;
- }
- .u-clear-icon {
- @include vue-flex;
- align-items: center;
- }
- .u-input {
- flex: 1;
- font-size: 28rpx;
- line-height: 1;
- margin: 0 10rpx;
- color: $u-tips-color;
- }
- .u-close-wrap {
- width: 40rpx;
- height: 100%;
- @include vue-flex;
- align-items: center;
- justify-content: center;
- border-radius: 50%;
- }
- .u-placeholder-class {
- color: $u-tips-color;
- }
- .u-action {
- font-size: 28rpx;
- color: $u-main-color;
- width: 0;
- overflow: hidden;
- transition: all 0.3s;
- white-space: nowrap;
- text-align: center;
- }
- .u-action-active {
- width: 80rpx;
- margin-left: 10rpx;
- }
- </style>
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