采购类型加全部

src/views/materialPlan/components/saleOrder-search.vue

@@ -28,6 +28,7 @@
           <el-select v-model="where.purchaseType" placeholder="请选择" style="width: 100%">
             <el-option label="未采购" value="1"></el-option>
             <el-option label="已采购" value="2"></el-option>
+            <el-option label="全部" value=''></el-option>
           </el-select>
         </el-form-item>
       </el-col>