优惠券金额满减不让修改减货币

src/views/ecw/coupon/edit.vue

@@ -62,7 +62,7 @@
 							<el-option v-for="item in currencyList" :key="item.id" :label="item.titleZh" :value="item.id" />
 						</el-select> -->
 						<selector v-if="[4,5].indexOf(form.type) > -1" v-model="item.fullCurrencyId" :options="currencyList" label-field="titleZh" value-field="id" defaultable style="width:100px" />
-						<selector v-if="form.type == 2" v-model="item.combUnit" :options="combUnitList" label-field="label" value-field="value" defaultable style="width:100px" />
+						<selector v-if="form.type == 2" v-model="item.combUnit" @input="checkReduceCurrency(item)" :options="combUnitList" label-field="label" value-field="value" defaultable style="width:100px" />
 
 						<span v-if="[2].indexOf(form.type) > -1">{{$t('减')}}</span>
 						<span v-if="[4].indexOf(form.type) > -1">{{$t('折扣率')}}</span>
@@ -71,7 +71,7 @@
 
 						<el-input v-if="[2,3,4].indexOf(form.type) > -1" v-model="item.reduceAmount"   @keyup.native="checkPositive(item, 'reduceAmount')" style="width:100px" />
 
-						<selector v-if="[2,3].indexOf(form.type) > -1" v-model="item.reduceCurrencyId" :options="currencyList" label-field="titleZh" value-field="id" defaultable style="width:100px" />
+						<selector v-if="[2,3].indexOf(form.type) > -1" v-model="item.reduceCurrencyId" :disabled="!!item.reduceCurrencyDisabled" :options="currencyList" label-field="titleZh" value-field="id" defaultable style="width:100px" />
 						<span v-if="[4].indexOf(form.type) > -1">%</span>
 					</template>
 					<template v-if="form.type==7">
@@ -100,7 +100,7 @@
 					<template v-if="[1,2,3,4,5].indexOf(form.type) > -1">
 						{{$t('满')}}
 						<el-input v-model="item.fullAmount"  @keyup.native="checkPositive(item, 'fullAmount')" style="width:100px" />
-						<selector v-if="[2,4,5].indexOf(form.type) > -1" v-model="item.fullCurrencyId" :options="currencyList" label-field="titleZh" value-field="id" defaultable style="width:100px" />
+						<selector v-if="[2,4,5].indexOf(form.type) > -1" v-model="item.fullCurrencyId" @input="syncClearanceCurrency(item)" :options="currencyList" label-field="titleZh" value-field="id" defaultable style="width:100px" />
 						<selector v-if="form.type == 3" v-model="item.prodUnit" :options="unitList" label-field="titleZh" value-field="id" defaultable style="width:100px" />
 
 						<span v-if="[2].indexOf(form.type) > -1">{{$t('减')}}</span>
@@ -110,7 +110,7 @@
 
 						<el-input v-if="[2,3,4].indexOf(form.type) > -1"  @keyup.native="checkPositive(item, 'reduceAmount')" v-model="item.reduceAmount" style="width:100px" />
 
-						<selector v-if="[2,3].indexOf(form.type) > -1" v-model="item.reduceCurrencyId" :options="currencyList" label-field="titleZh" value-field="id" defaultable style="width:100px" />
+						<selector v-if="[2,3].indexOf(form.type) > -1" v-model="item.reduceCurrencyId" :disabled="form.type==2" :options="currencyList" label-field="titleZh" value-field="id" defaultable style="width:100px" />
 						<span v-if="[4].indexOf(form.type) > -1">%</span>
 					</template>
 					<template v-if="form.type==7">
@@ -468,6 +468,24 @@ export default {
         this.reset()
 	},
 	methods: {
+		// 满减清关费修改满的货币后需要同步减的货币
+		syncClearanceCurrency(item){
+			if(this.form.type != 2) return
+			item.reduceCurrencyId = item.fullCurrencyId
+		},
+		// 满减活动如果选择的满多少金额减，则在选择满货币后需要同步减的货币，且禁用减的货币修改
+		checkReduceCurrency(item){
+			if(this.form.type == 2 && item.combUnit.split('_')[0] == 'fullCurrencyId'){
+				this.$set(item, 'reduceCurrencyDisabled', true)
+				this.$set(item, 'reduceCurrencyId', +item.combUnit.split('_')[1])
+				return
+			}
+
+			if(item.reduceCurrencyDisabled){
+				this.$set(item, 'reduceCurrencyDisabled', false)
+			}
+			
+		},
 		getCouponSelect(){
 			getCouponSelect().then(res => {
 				this.couponList = res.data