CNCEC_APP/uni_modules/uview-pro/components/u-search/u-search.vue

292 lines
8.5 KiB
Vue
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<template>
<view
class="u-search"
@tap="clickHandler"
:class="customClass"
:style="$u.toStyle({ margin: margin }, customStyle)"
>
<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="30"
:name="searchIcon"
:color="searchIconColor ? searchIconColor : color"
></u-icon>
</view>
<input
confirm-type="search"
@blur="blur"
:value="modelValue"
@confirm="search"
@input="inputChange"
@focus="getFocus"
:focus="focus"
:maxlength="Number(maxlength)"
placeholder-class="u-placeholder-class"
:placeholder="placeholder"
:placeholder-style="`color: ${placeholderColor}`"
:adjust-position="adjustPosition"
class="u-input"
type="text"
:style="[
{
textAlign: inputAlign,
color: color,
backgroundColor: bgColor,
pointerEvents: disabled ? 'none' : 'auto'
},
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="var(--u-light-color)"></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 lang="ts">
export default {
name: 'u-search',
options: {
addGlobalClass: true,
// #ifndef MP-TOUTIAO
virtualHost: true,
// #endif
styleIsolation: 'shared'
}
};
</script>
<script setup lang="ts">
import { ref, computed, watch, nextTick } from 'vue';
import { SearchProps } from './types';
import { $u } from '../..';
/**
* 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://uviewpro.cn/zh/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var(--u-bg-gray-light)
* @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var(--u-content-color)
* @property {String} placeholder-color placeholder的颜色默认var(--u-tips-color)
* @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>
*/
const props = defineProps(SearchProps);
const emit = defineEmits([
'update:modelValue',
'input',
'change',
'search',
'custom',
'clear',
'focus',
'blur',
'click'
]);
// 绑定输入框的值
const keyword = ref(props.modelValue);
// 是否显示右边的清除图标
const showClear = ref(false);
// 控制右侧动画展开
const show = ref(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
const focused = ref(props.focus);
// 监听v-model和props.value变化
watch(
() => props.modelValue,
nVal => {
keyword.value = nVal;
}
);
watch(keyword, nVal => {
emit('update:modelValue', nVal);
emit('input', nVal);
emit('change', nVal);
});
/**
* 是否显示右侧action按钮
*/
const showActionBtn = computed(() => {
if (!props.animation && props.showAction) return true;
else return false;
});
/**
* 边框样式
*/
const borderStyle = computed(() => {
if (props.borderColor) return `1px solid ${props.borderColor}`;
else return 'none';
});
/**
* 监听input事件获取输入框内容的变化
*/
function inputChange(e: any) {
keyword.value = e.detail.value;
}
/**
* 清空输入
* 也可以作为用户通过ref形式调用清空输入框内容
*/
function clear() {
keyword.value = '';
// 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)
nextTick(() => {
emit('clear');
});
}
/**
* 确定搜索
*/
function search(e: any) {
emit('search', e.detail.value);
try {
// #ifdef H5 || MP
uni.hideKeyboard();
// #endif
} catch (e) {}
}
/**
* 点击右边自定义按钮的事件
*/
function custom() {
emit('custom', keyword.value);
try {
// #ifdef H5 || MP
uni.hideKeyboard();
// #endif
} catch (e) {}
}
/**
* 获取焦点
*/
function getFocus() {
focused.value = true;
// 开启右侧搜索按钮展开的动画效果
if (props.animation && props.showAction) show.value = true;
emit('focus', keyword.value);
}
/**
* 失去焦点
*/
function 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(() => {
focused.value = false;
}, 100);
show.value = false;
emit('blur', keyword.value);
}
/**
* 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
*/
function clickHandler() {
if (props.disabled) 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>