阶梯定价，总量单位和币种统一

src/views/ecw/channel/componrnts/currency-select.vue

 <template>
  <div style="width: 100%;min-width: 100px">
-  <el-select v-model="val">
+  <el-select @change="(e) =>{$emit('change', e)}" :disabled="disabled" v-model="val">
     <el-option :value="item.id" :label="$l(item, 'title') + item.fuhao"  v-for="(item)  in options"></el-option>
   </el-select>
  </div>
@@ -10,6 +10,10 @@
 export default {
   name: "currency-select",
    props:{
+     disabled:{
+       type:Boolean,
+       default:false
+     },
     options:{
       type:Array,
       default:()=>[]

src/views/ecw/channel/componrnts/packaging-type.vue

@@ -29,7 +29,7 @@
           <el-col  :span="9">
             <div style="display: flex;align-items: center;">
               <el-input v-model="item.startNum"></el-input> - <el-input v-model="item.endNum" ></el-input > /
-              <weight-select v-model="item.weightUnit" :options="unitList"></weight-select>
+              <weight-select @change="changeWeight" :disabled="index > 0"  v-model="item.weightUnit" :options="unitList"></weight-select>
             </div>
           </el-col>
         </el-row>
@@ -40,8 +40,8 @@
           <el-col :span="9">
             <div style="display: flex;align-items: center;">
               <el-input v-model="item.clearancePrice"></el-input>
-              <currency-select :options="currencyList" v-model="item.clearancePriceUnit"></currency-select>
-              / <weight-select :options="unitList" v-model="item.clearanceVolumeUnit"></weight-select>
+              <currency-select @change="setCurrency" :disabled="index > 0" :options="currencyList" v-model="item.clearancePriceUnit"></currency-select>
+              / <weight-select :disabled="index > 0" @change="setAirFreightWeight" :options="unitList" v-model="item.clearanceVolumeUnit"></weight-select>
             </div>
           </el-col>
         </el-row>
@@ -91,16 +91,31 @@ export default {
       })
     },
   methods:{
+    changeWeight(e){
+      this.value1[this.keyArr].forEach(item => {
+        item.weightUnit = e
+      })
+    },
+    setCurrency(e){
+      this.value1[this.keyArr].forEach(item => {
+        item.clearancePriceUnit = e
+      })
+    },
+    setAirFreightWeight(e){
+      this.value1[this.keyArr].forEach(item => {
+        item.clearanceVolumeUnit = e
+      })
+    },
      addInterval(){
        let p = {
          "channelId":'',
          "clearancePrice":'',
-         "clearancePriceUnit":'',
-         "clearanceVolumeUnit":6,
+         "clearancePriceUnit":  this.value1[this.keyArr].length && this.value1[this.keyArr][0].clearancePriceUnit  ? this.value1[this.keyArr][0].clearancePriceUnit : '',
+         "clearanceVolumeUnit":this.value1[this.keyArr].length ? this.value1[this.keyArr][0].clearanceVolumeUnit : 6,
          "endNum":'',
          "packagingId":'',
          "startNum":'',
-         "weightUnit":6
+         "weightUnit": this.value1[this.keyArr].length ? this.value1[this.keyArr][0].weightUnit : 6
        }
        this.value1[this.keyArr].push(p)
         this.$forceUpdate();

src/views/ecw/channel/componrnts/weight-select.vue

 <template>
     <div style="min-width: 100px;width: 100%;">
-      <el-select v-model="val">
+      <el-select @change="(e) =>{$emit('change',e)}" :disabled="disabled"  v-model="val">
         <el-option v-for="(item, index) in options" :value="item.id" :key="index" :label="$l(item ,'title')" ></el-option>
       </el-select>
     </div>
@@ -10,6 +10,10 @@
 export default {
   name: "weight-select",
   props:{
+    disabled:{
+      type:Boolean,
+      default:false
+    },
     options:{
       type:Array,
       default:()=>[]