单价允许输入负数

src/components/fee-info/main.vue

@@ -88,14 +88,14 @@
           <span v-else>{{ row.feeName }}</span>
         </template>
         <template slot="price" slot-scope="{ row }">
-          <el-input
+          <el-input-number
             v-if="row.$cellEdit"
+            :controls="false"
             v-model="row.price"
             placeholder="请输入"
             size="small"
-            oninput='this.value=this.value.replace(/[^(\d.)]/g,"").replace(/^(\d+)\.(\d\d).*$/, "$1.$2")'
             @input="countChange(row)"
-          ></el-input>
+          ></el-input-number>
           <span v-else>{{ row.price | micrometerFormat }}</span>
         </template>
         <template slot="quantity" slot-scope="{ row }">