update TableUtils

Author: jiangxy

src/components/DBTable/TableSchemaUtils.js src/components/DBTable/TableUtils.js

@@ -1,12 +1,15 @@
 import React from 'react';
 import {notification} from 'antd';
+import globalConfig from '../../config.js';
 import ajax from '../../utils/ajax';
 import Logger from '../../utils/Logger';
 
-const logger = Logger.getLogger('TableSchemaUtils');
+const logger = Logger.getLogger('TableUtils');
 
 // 缓存, key是tableName, value是{querySchema, dataSchema}
 const tableMap = new Map();
+// 缓存, key是tableName, value是tableConfig
+const configMap = new Map();
 
 /**
  * 用于解析表schema的工具类
@@ -129,4 +132,39 @@ export default {
     });
   },
 
+  /**
+   * 获取某个表的个性化配置, 会合并默认配置
+   *
+   * @param tableName
+   * @returns {*}
+   */
+  getTableConfig(tableName) {
+    if (configMap.has(tableName)) {
+      return configMap.get(tableName);
+    }
+
+    let tableConfig;
+    try {
+      const tmp = require(`../../schema/${tableName}.config.js`);  // 个性化配置加载失败也没关系
+      tableConfig = Object.assign({}, globalConfig.DBTable.default, tmp);  // 注意合并默认配置
+    } catch (e) {
+      logger.warn('can not find config for table %s, use default instead', tableName);
+      tableConfig = Object.assign({}, globalConfig.DBTable.default);
+    }
+
+    configMap.set(tableName, tableConfig);
+    return tableConfig;
+  },
+
+  /**
+   * 某个表是否应该忽略缓存
+   *
+   * @param tableName
+   * @returns {boolean}
+   */
+  shouldIgnoreSchemaCache(tableName) {
+    const tableConfig = this.getTableConfig(tableName);
+    return tableConfig.asyncSchema === true && tableConfig.ignoreSchemaCache === true;
+  },
+
 }

src/components/DBTable/index.js

@@ -4,7 +4,7 @@ import Error from '../Error';
 import InnerForm from './InnerForm.js';
 import InnerTable from './InnerTable.js';
 import InnerPagination from './InnerPagination.js';
-import TableSchemaUtils from './TableSchemaUtils.js';
+import TableUtils from './TableUtils.js';
 import './index.less';
 import ajax from '../../utils/ajax';
 import Utils from '../../utils';
@@ -18,16 +18,6 @@ const logger = Logger.getLogger('DBTable');
  */
 class DBTable extends React.PureComponent {
 
-  // 每个表的默认配置
-  static DEFAULT_CONFIG = {
-    showExport: true,  // 显示导出按钮, 默认true
-    showImport: true,  // 显示导入按钮, 默认true
-    showInsert: true,  // 显示新增按钮, 默认true
-    showUpdate: true,  // 显示修改按钮, 默认true
-    showDelete: true,  // 显示删除按钮, 默认true
-    asyncSchema: false,  // 是否从服务端加载schema, 默认false
-  };
-
   // 父组件要保存子组件的状态...非常蛋疼...
   // 破坏了子组件的"封闭"原则
   // 但这是官方推荐的做法: https://facebook.github.io/react/docs/lifting-state-up.html
@@ -174,24 +164,17 @@ class DBTable extends React.PureComponent {
       return;
     }
 
-    let tableConfig;
-    try {
-      const tmp = require(`../../schema/${tableName}.config.js`);  // 个性化配置加载失败也没关系
-      tableConfig = Object.assign({}, DBTable.DEFAULT_CONFIG, tmp);  // 注意合并默认配置
-    } catch (e) {
-      logger.warn('can not find config for table %s, use default instead', tableName);
-      tableConfig = Object.assign({}, DBTable.DEFAULT_CONFIG);
-    }
+    const tableConfig = TableUtils.getTableConfig(tableName);
 
     // 这里注意, 区分同步/异步
-    let tmp = TableSchemaUtils.getCacheSchema(tableName);
+    let tmp = TableUtils.getCacheSchema(tableName);
     if (!tmp) {
       if (tableConfig.asyncSchema === true) {
         // 如果是异步的, 必须给用户一个loading提示
         this.state.loadingSchema = true;
-        tmp = await TableSchemaUtils.getRemoteSchema(tableName);
+        tmp = await TableUtils.getRemoteSchema(tableName);
       } else {
-        tmp = TableSchemaUtils.getLocalSchema(tableName);
+        tmp = TableUtils.getLocalSchema(tableName);
       }
     }
 

src/config.js

@@ -64,6 +64,17 @@ module.exports = {
 
   DBTable: {  // DBTable组件相关配置
     pageSize: 50, // 表格每页显示多少条数据
+
+    default: {  // 针对每个表格的默认配置
+      showExport: true,  // 显示导出按钮, 默认true
+      showImport: true,  // 显示导入按钮, 默认true
+      showInsert: true,  // 显示新增按钮, 默认true
+      showUpdate: true,  // 显示修改按钮, 默认true
+      showDelete: true,  // 显示删除按钮, 默认true
+
+      asyncSchema: false,  // 是否从服务端加载schema, 默认false
+      ignoreSchemaCache: false,  // 是否忽略schema的缓存, 对于异步schema而言, 默认只会请求一次后端接口然后缓存起来
+    },
   },
 
   // 以下一些辅助的函数, 不要修改