lilishop-uniapp/uview-ui/components/u-search/u-search.vue

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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="30" :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"
:maxlength="getMaxlength"
:focus="focus"
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" @touchstart="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' : '']"
@touchstart.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 ${this.borderColor}`;
else return 'none';
},
// 将maxlength转为数值
getMaxlength() {
return Number(this.maxlength);
}
},
methods: {
// 目前HX2.6.9 v-model双向绑定无效故监听input事件获取输入框内容的变化
inputChange(e) {
this.keyword = e.detail.value;
},
// 清空输入
// 也可以作为用户通过this.$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.$emit('search', e.detail.value);
// 收起键盘
uni.hideKeyboard();
},
// 点击右边自定义按钮的事件
custom() {
this.$emit('custom', this.keyword);
// 收起键盘
uni.hideKeyboard();
},
// 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.$emit('focus', this.keyword);
},
// 失去焦点
blur() {
this.focused = false;
this.show = false;
this.$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 {
display: flex;
align-items: center;
flex: 1;
}
.u-content {
display: flex;
align-items: center;
padding: 0 18rpx;
flex: 1;
}
.u-clear-icon {
display: 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%;
display: 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>