React 的 Hooks 为什么获取不到最新值？-灵析社区
小飞侠007下面代码打印出来是空字符：这难道不是会更新的么：用的是蚂蚁的组件 import { Api_Module_Edit_Prepare, Api_Module_Edit_Save } from "../Request/Module" import { Input, Card, Form, Row, Col, Space, Collapse, Button, message } from 'antd'; import { useNavigate, useParams } from "react-router-dom"; import { useEffect, useState } from "react"; import "../Css/Edit.sass" export function Component() { const navigate = useNavigate(); const { module = "", id = 0 } = useParams(); const [primary] = Form.useForm(); const [messageApi, contextHolder] = message.useMessage(); const [tableActive, setTableActive] = useState(``) const [tableData, setTableData] = useState>({}) const [tabList, setTabList] = useState([]); const onFinish = (data: any) => { const params = { table: tableActive, data: data } Api_Module_Edit_Save(module, [params]).then((res) => { messageApi.success("保存成功") }) } // 渲染：表单【 主表 + 子表 】：Card const formatTableData = (data: any) => data.reduce((loop: any, item: any, index: number) => ({ ...loop, [item.table_name]: index === 0 ? renderFormItem(item) : renderTableItem(item) }), {}); // 渲染：标签【 主表 + 子表 】 const formatTableTabs = (data: any) => data.map((item: any) => ({ key: item.table_name, tab: item.display_name, })) // 渲染：主表表单 const renderFormItem = (table: any) => { const renderFormItem = (columns: any) => columns.map((column: any) => ( )) return ( {table.sections.map((section: any) => ( {renderFormItem(section.columns)} }]} /> ))} ) } // 渲染：子表数据 const renderTableItem = (data: any) => data.map((item: any) => ({ })) // 渲染：公共操作 const renderPublicActions = [ navigate(-1)}>返回 primary.submit()}>保存 ] useEffect(() => { Api_Module_Edit_Prepare(module).then((res) => { setTableData(formatTableData(res.form)) setTabList(formatTableTabs(res.form)) setTableActive(res.form[0].table_name) }) }, [module]) return ( {contextHolder} {tableData[tableActive]} ) } Component.displayName = "Edit"; }, [module])
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