u-picker-data.vue
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<template>
<view class="u-picker-data">
<view class="u-picker-data__trigger">
<slot name="trigger" :current="current"></slot>
<up-input
v-if="!$slots['trigger']"
:modelValue="current"
disabled
disabledColor="#ffffff"
:placeholder="title"
border="none"
></up-input>
<view @click="show = true"
class="u-picker-data__trigger__cover"></view>
</view>
<up-picker
:show="show"
:columns="optionsInner"
:keyName="labelKey"
:defaultIndex="defaultIndex"
@confirm="confirm"
@cancel="cancel"
@close="close">
</up-picker>
</view>
</template>
<script>
import { formValidate } from '../../libs/function/index';
export default {
name: 'u-picker-data',
props: {
modelValue: {
type: [String, Number],
default: ''
},
title: {
type: String,
default: ''
},
description: {
type: String,
default: ''
},
options: {
type: Array,
default: () => {
return []
}
},
valueKey: {
type: String,
default: 'id'
},
labelKey: {
type: String,
default: 'name'
}
},
data() {
return {
show: false,
current: '',
defaultIndex: [],
}
},
created() {
if (this.modelValue) {
this.options.forEach((ele, index) => {
if (ele[this.valueKey] == this.modelValue) {
this.current = ele[this.labelKey]
this.defaultIndex = [index]
}
})
} else {
this.clear();
}
},
watch: {
modelValue() {
if (this.modelValue) {
this.options.forEach((ele, index) => {
if (ele[this.valueKey] == this.modelValue) {
this.current = ele[this.labelKey]
this.defaultIndex = [index]
}
})
} else {
this.clear();
}
}
},
computed: {
optionsInner() {
return [this.options];
}
},
emits: ['update:modelValue', 'cancel', 'close', 'confirm'],
methods: {
hideKeyboard() {
uni.hideKeyboard()
},
cancel() {
this.show = false;
this.$emit('cancel')
},
close() {
this.$emit('close')
},
clear() {
this.current = '';
this.defaultIndex = [];
},
confirm(e) {
const {
columnIndex,
index,
value,
} = e;
this.show = false;
// console.log(value);
this.$emit('update:modelValue', value[0][this.valueKey]);
this.defaultIndex = columnIndex;
this.current = value[0][this.labelKey];
this.$emit('confirm')
// 表单验证
formValidate(this, 'change')
}
}
}
</script>
<style lang="scss" scoped>
.u-picker-data {
&__trigger {
position: relative;
&__cover {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
z-index:10;
}
}
}
</style>