采购订单生成-批改，增加值为空的情况判断

src/views/purchase/task/pi-gai/index.vue

@@ -61,8 +61,12 @@ export default {
         let puOrderGenerateList = JSON.parse(
           JSON.stringify(this.innerValue)
         ).map((item) => {
-          if (item.attr.is !== "el-popover-select-v2") {
-            item[item.candidate] = item["value"];
+          if (item.attr.is === "el-popover-select-v2") {
+            for (const key in item.attr.dataMapping) {
+              item[key] = item[key] || "~";
+            }
+          } else {
+            item[item.candidate] = item["value"] === "" ? "~" : item["value"];
           }
           return item;
         });