创建表前查看数据库有无重名表

src/api/database/index.ts

@@ -11,6 +11,7 @@ enum Api {
   createPicTable = '/api/createTable/createTable', //图形化建表
   updateTable = '/api/CreateTable/UpdateTable', //图形化建表-修改
   loadTableRecordInfo = '/api/CreateTable/LoadTableRecordInfo', //图形化建表记录
+  CheckTableExist = '/api/CreateTable/CheckTableExist', //图形化建表-新建检查
 }
 
 /**
@@ -46,3 +47,6 @@ export const updateTable = (params: AccountParams) =>
 
 export const loadTableRecordInfo = (params: AccountParams) =>
   defHttp.get<AccountListGetResultModel>({ url: Api.loadTableRecordInfo, params });
+
+export const CheckTableExist = (params: AccountParams) =>
+  defHttp.get<AccountListGetResultModel>({ url: Api.CheckTableExist, params });

src/views/demo/onlineform/formdesign/modal/AutomaticModal.vue

@@ -100,11 +100,14 @@
   import { CollapseContainer } from '@/components/Container';
   import { BasicTable } from '@/components/Table';
   import { BasicModal, useModalInner } from '@/components/Modal';
-  import { dbColumnInfoColumns } from './modelData';
+  import { useMessage } from '@/hooks/web/useMessage';
   import { cloneDeep } from 'lodash-es';
+  import { dbColumnInfoColumns } from './modelData';
   import { functionGetForm, AddTable, AddColumn } from '@/api/demo/formScheme';
+  import { CheckTableExist } from '@/api/database/index';
 
   const emit = defineEmits(['automatic-modal-submitsuccess']);
+  const { createMessage } = useMessage();
 
   const props = defineProps({
     isAddVisible: {
@@ -705,6 +708,12 @@
 
   // 提交
   async function submit() {
+    // 检测：数据库是否有此表
+    let results = checkTablesAndWarn();
+    const checkflag = (await results).some(Boolean);
+    if (checkflag) {
+      return;
+    }
     // 设置子表的relationField
     getRelationField();
     if (props.isAddVisible) {
@@ -739,6 +748,24 @@
     getFromAndTable();
   }
 
+  // 检测：数据库是否有此表
+  async function checkTablesAndWarn() {
+    const promises = db_list.value.map(async (db) => {
+      if (isNewTable(db)) {
+        let query: any = { tableName: db.tableName };
+        let res = await CheckTableExist(query);
+        if (res) {
+          createMessage.warn('数据库已有表' + db.tableName);
+          return true;
+        }
+      }
+      return false;
+    });
+
+    const results = await Promise.all(promises);
+    return results;
+  }
+
   // 设置子表的relationField
   function getRelationField() {
     // 确定primaryKey

src/views/demo/system/graphicaltable/modal/index.vue

@@ -90,7 +90,7 @@
   import { columns, columns_isDetail } from './modal.data';
   import { useMessage } from '@/hooks/web/useMessage';
   // api
-  import { createPicTable, updateTable } from '@/api/database/index';
+  import { createPicTable, updateTable, CheckTableExist } from '@/api/database/index';
   import { getLoad } from '@/api/sys/sysDataItemDetail';
 
   const emit = defineEmits(['submit']);
@@ -222,7 +222,9 @@
     reload();
   }
   // 提交
-  function handleOk() {
+  async function handleOk() {
+    // 删除两端空格、制表符和换行符
+    tableName.value = tableName.value.trim();
     // 检测：表名
     if (!tableName.value) {
       createMessage.warn('表名是必填项!');
@@ -233,6 +235,13 @@
       createMessage.warn('表名不符合数据库表名的命名规则!');
       return;
     }
+    // 检测：数据库是否有此表
+    let query: any = { tableName: tableName.value };
+    let res = await CheckTableExist(query);
+    if (res) {
+      createMessage.warn('数据库已有此表名!');
+      return;
+    }
     let arr = getDataSource();
     // 检测：字段行
     if (!arr || arr.length == 0) {