物料申请单-四级分类改为只可选择不可输入

src/views/material/requisition/details/columns.js

@@ -83,6 +83,7 @@ export default function useColumns(){
             valueKey: "name",
             // 末级
             onlyFinal: true,
+            readonly:true,
             defaultProps: {
               label: function (data, node) {
                 return data.code + " " + data.name;