fix: 修复步骤3白屏问题 - 将useState从render函数提取为独立子组件(StakeholderStep/MilestoneStep)

src/pages/WizardPage.tsx

@@ -10,7 +10,6 @@ import {
   Card,
   Table,
   Select,
-  DatePicker,
   Tag,
 } from '@arco-design/web-react';
 import '@arco-design/web-react/dist/css/arco.css';
@@ -18,7 +17,6 @@ import '@arco-design/web-react/dist/css/arco.css';
 const { Title, Text } = Typography;
 const { TextArea } = Input;
 
-// Step definitions
 const STEPS = [
   { title: '基本信息', description: '项目名称和目标' },
   { title: '章程信息', description: '范围与约束' },
@@ -27,7 +25,6 @@ const STEPS = [
   { title: '完成', description: '确认创建' },
 ];
 
-// Types
 interface Stakeholder {
   key: string;
   name: string;
@@ -66,6 +63,123 @@ const createEmptyProject = (): ProjectData => ({
   milestones: [],
 });
 
+// --- Extracted sub-components (hooks rules compliant) ---
+
+const StakeholderStep: React.FC<{
+  stakeholders: Stakeholder[];
+  onChange: (s: Stakeholder[]) => void;
+}> = ({ stakeholders, onChange }) => {
+  const [newName, setNewName] = useState('');
+  const [newRole, setNewRole] = useState('');
+  const [newPower, setNewPower] = useState<'高' | '中' | '低'>('中');
+  const [newInterest, setNewInterest] = useState<'高' | '中' | '低'>('中');
+
+  const addStakeholder = () => {
+    if (!newName || !newRole) return;
+    const strategy =
+      newPower === '高' && newInterest === '高'
+        ? '重点管理'
+        : newPower === '低' && newInterest === '高'
+        ? '保持满意'
+        : newPower === '高' && newInterest === '低'
+        ? '随时告知'
+        : '监督';
+    onChange([
+      ...stakeholders,
+      { key: Date.now().toString(), name: newName, role: newRole, power: newPower, interest: newInterest, strategy },
+    ]);
+    setNewName('');
+    setNewRole('');
+  };
+
+  const columns = [
+    { title: '姓名', dataIndex: 'name', key: 'name' },
+    { title: '角色', dataIndex: 'role', key: 'role' },
+    {
+      title: '权力',
+      dataIndex: 'power',
+      key: 'power',
+      render: (val: string) => (
+        <Tag color={val === '高' ? 'red' : val === '中' ? 'orange' : 'green'}>{val}</Tag>
+      ),
+    },
+    {
+      title: '利益/关注度',
+      dataIndex: 'interest',
+      key: 'interest',
+      render: (val: string) => (
+        <Tag color={val === '高' ? 'red' : val === '中' ? 'orange' : 'green'}>{val}</Tag>
+      ),
+    },
+    { title: '参与策略', dataIndex: 'strategy', key: 'strategy' },
+  ];
+
+  return (
+    <div>
+      <Space style={{ marginBottom: 16 }}>
+        <Input placeholder="姓名" value={newName} onChange={setNewName} style={{ width: 120 }} />
+        <Input placeholder="角色" value={newRole} onChange={setNewRole} style={{ width: 120 }} />
+        <Select value={newPower} onChange={setNewPower} style={{ width: 80 }}>
+          <Select.Option value="高">高</Select.Option>
+          <Select.Option value="中">中</Select.Option>
+          <Select.Option value="低">低</Select.Option>
+        </Select>
+        <Select value={newInterest} onChange={setNewInterest} style={{ width: 80 }}>
+          <Select.Option value="高">高</Select.Option>
+          <Select.Option value="中">中</Select.Option>
+          <Select.Option value="低">低</Select.Option>
+        </Select>
+        <Button type="primary" onClick={addStakeholder}>
+          添加
+        </Button>
+      </Space>
+      <Table columns={columns} data={stakeholders} pagination={false} size="small" />
+    </div>
+  );
+};
+
+const MilestoneStep: React.FC<{
+  milestones: Milestone[];
+  onChange: (m: Milestone[]) => void;
+}> = ({ milestones, onChange }) => {
+  const [newName, setNewName] = useState('');
+  const [newDate, setNewDate] = useState('');
+  const [newDeliverable, setNewDeliverable] = useState('');
+
+  const addMilestone = () => {
+    if (!newName) return;
+    onChange([
+      ...milestones,
+      { key: Date.now().toString(), name: newName, targetDate: newDate, deliverable: newDeliverable },
+    ]);
+    setNewName('');
+    setNewDate('');
+    setNewDeliverable('');
+  };
+
+  const columns = [
+    { title: '里程碑', dataIndex: 'name', key: 'name' },
+    { title: '目标日期', dataIndex: 'targetDate', key: 'targetDate' },
+    { title: '交付物', dataIndex: 'deliverable', key: 'deliverable' },
+  ];
+
+  return (
+    <div>
+      <Space style={{ marginBottom: 16 }}>
+        <Input placeholder="里程碑名称" value={newName} onChange={setNewName} style={{ width: 160 }} />
+        <Input placeholder="目标日期" value={newDate} onChange={setNewDate} style={{ width: 120 }} />
+        <Input placeholder="交付物" value={newDeliverable} onChange={setNewDeliverable} style={{ width: 160 }} />
+        <Button type="primary" onClick={addMilestone}>
+          添加
+        </Button>
+      </Space>
+      <Table columns={columns} data={milestones} pagination={false} size="small" />
+    </div>
+  );
+};
+
+// --- Main Wizard ---
+
 const WizardPage: React.FC = () => {
   const [current, setCurrent] = useState(0);
   const [project, setProject] = useState<ProjectData>(createEmptyProject());
@@ -80,211 +194,114 @@ const WizardPage: React.FC = () => {
     console.log('Project created:', project);
   };
 
-  // ---- Step 1: Basic Info ----
-  const renderBasicInfo = () => (
-    <Form layout="vertical" style={{ maxWidth: 600 }}>
-      <Form.Item label="项目名称" required>
-        <Input
-          placeholder="例如：客户管理系统"
-          value={project.name}
-          onChange={(val) => setProject({ ...project, name: val })}
-        />
-      </Form.Item>
-      <Form.Item label="项目目标（SMART原则）" required>
-        <TextArea
-          placeholder="具体、可衡量、可实现、相关、有时限的目标"
-          rows={4}
-          value={project.goal}
-          onChange={(val) => setProject({ ...project, goal: val })}
-        />
-      </Form.Item>
-    </Form>
-  );
-
-  // ---- Step 2: Charter ----
-  const renderCharter = () => (
-    <Form layout="vertical" style={{ maxWidth: 600 }}>
-      <Form.Item label="包含范围">
-        <TextArea
-          placeholder="本项目要做什么..."
-          rows={3}
-          value={project.scopeIn}
-          onChange={(val) => setProject({ ...project, scopeIn: val })}
-        />
-      </Form.Item>
-      <Form.Item label="不包含范围">
-        <TextArea
-          placeholder="本项目明确不做什么..."
-          rows={3}
-          value={project.scopeOut}
-          onChange={(val) => setProject({ ...project, scopeOut: val })}
-        />
-      </Form.Item>
-      <Form.Item label="约束条件">
-        <Input
-          placeholder="例如：必须在6月底前上线，预算不超过10万"
-          value={project.constraints}
-          onChange={(val) => setProject({ ...project, constraints: val })}
-        />
-      </Form.Item>
-      <Form.Item label="假设条件">
-        <Input
-          placeholder="例如：团队3人全职投入，第三方API在5月就绪"
-          value={project.assumptions}
-          onChange={(val) => setProject({ ...project, assumptions: val })}
-        />
-      </Form.Item>
-    </Form>
-  );
-
-  // ---- Step 3: Stakeholders ----
-  const renderStakeholders = () => {
-    const columns = [
-      { title: '姓名', dataIndex: 'name', key: 'name' },
-      { title: '角色', dataIndex: 'role', key: 'role' },
-      {
-        title: '权力',
-        dataIndex: 'power',
-        key: 'power',
-        render: (val: string) => (
-          <Tag color={val === '高' ? 'red' : val === '中' ? 'orange' : 'green'}>{val}</Tag>
-        ),
-      },
-      {
-        title: '利益/关注度',
-        dataIndex: 'interest',
-        key: 'interest',
-        render: (val: string) => (
-          <Tag color={val === '高' ? 'red' : val === '中' ? 'orange' : 'green'}>{val}</Tag>
-        ),
-      },
-      { title: '参与策略', dataIndex: 'strategy', key: 'strategy' },
-    ];
-
-    const [newName, setNewName] = useState('');
-    const [newRole, setNewRole] = useState('');
-    const [newPower, setNewPower] = useState<'高' | '中' | '低'>('中');
-    const [newInterest, setNewInterest] = useState<'高' | '中' | '低'>('中');
-
-    const addStakeholder = () => {
-      if (!newName || !newRole) return;
-      const strategy =
-        newPower === '高' && newInterest === '高'
-          ? '重点管理'
-          : newPower === '低' && newInterest === '高'
-          ? '保持满意'
-          : newPower === '高' && newInterest === '低'
-          ? '随时告知'
-          : '监督';
-      setProject({
-        ...project,
-        stakeholders: [
-          ...project.stakeholders,
-          { key: Date.now().toString(), name: newName, role: newRole, power: newPower, interest: newInterest, strategy },
-        ],
-      });
-      setNewName('');
-      setNewRole('');
-    };
-
-    return (
-      <div>
-        <Space style={{ marginBottom: 16 }}>
-          <Input placeholder="姓名" value={newName} onChange={setNewName} style={{ width: 120 }} />
-          <Input placeholder="角色" value={newRole} onChange={setNewRole} style={{ width: 120 }} />
-          <Select value={newPower} onChange={setNewPower} style={{ width: 80 }}>
-            <Select.Option value="高">高</Select.Option>
-            <Select.Option value="中">中</Select.Option>
-            <Select.Option value="低">低</Select.Option>
-          </Select>
-          <Select value={newInterest} onChange={setNewInterest} style={{ width: 80 }}>
-            <Select.Option value="高">高</Select.Option>
-            <Select.Option value="中">中</Select.Option>
-            <Select.Option value="低">低</Select.Option>
-          </Select>
-          <Button type="primary" onClick={addStakeholder}>
-            添加
-          </Button>
-        </Space>
-        <Table columns={columns} data={project.stakeholders} pagination={false} size="small" />
-      </div>
-    );
+  const renderStep = () => {
+    switch (current) {
+      case 0:
+        return (
+          <Form layout="vertical" style={{ maxWidth: 600 }}>
+            <Form.Item label="项目名称" required>
+              <Input
+                placeholder="例如：客户管理系统"
+                value={project.name}
+                onChange={(val) => setProject({ ...project, name: val })}
+              />
+            </Form.Item>
+            <Form.Item label="项目目标（SMART原则）" required>
+              <TextArea
+                placeholder="具体、可衡量、可实现、相关、有时限的目标"
+                rows={4}
+                value={project.goal}
+                onChange={(val) => setProject({ ...project, goal: val })}
+              />
+            </Form.Item>
+          </Form>
+        );
+      case 1:
+        return (
+          <Form layout="vertical" style={{ maxWidth: 600 }}>
+            <Form.Item label="包含范围">
+              <TextArea
+                placeholder="本项目要做什么..."
+                rows={3}
+                value={project.scopeIn}
+                onChange={(val) => setProject({ ...project, scopeIn: val })}
+              />
+            </Form.Item>
+            <Form.Item label="不包含范围">
+              <TextArea
+                placeholder="本项目明确不做什么..."
+                rows={3}
+                value={project.scopeOut}
+                onChange={(val) => setProject({ ...project, scopeOut: val })}
+              />
+            </Form.Item>
+            <Form.Item label="约束条件">
+              <Input
+                placeholder="例如：必须在6月底前上线，预算不超过10万"
+                value={project.constraints}
+                onChange={(val) => setProject({ ...project, constraints: val })}
+              />
+            </Form.Item>
+            <Form.Item label="假设条件">
+              <Input
+                placeholder="例如：团队3人全职投入，第三方API在5月就绪"
+                value={project.assumptions}
+                onChange={(val) => setProject({ ...project, assumptions: val })}
+              />
+            </Form.Item>
+          </Form>
+        );
+      case 2:
+        return (
+          <StakeholderStep
+            stakeholders={project.stakeholders}
+            onChange={(s) => setProject({ ...project, stakeholders: s })}
+          />
+        );
+      case 3:
+        return (
+          <MilestoneStep
+            milestones={project.milestones}
+            onChange={(m) => setProject({ ...project, milestones: m })}
+          />
+        );
+      case 4:
+        return (
+          <Card title="项目创建确认">
+            <Space direction="vertical" size="medium" style={{ width: '100%' }}>
+              <div>
+                <Text bold>项目名称：</Text>
+                <Text>{project.name}</Text>
+              </div>
+              <div>
+                <Text bold>项目目标：</Text>
+                <Text>{project.goal}</Text>
+              </div>
+              <div>
+                <Text bold>包含范围：</Text>
+                <Text>{project.scopeIn}</Text>
+              </div>
+              <div>
+                <Text bold>干系人数量：</Text>
+                <Text>{project.stakeholders.length}</Text>
+              </div>
+              <div>
+                <Text bold>里程碑数量：</Text>
+                <Text>{project.milestones.length}</Text>
+              </div>
+              {(!project.name || !project.goal) && (
+                <div style={{ color: '#ff7d00', fontSize: 14, marginTop: 8 }}>
+                  ⚠️ 项目名称和目标为必填项
+                </div>
+              )}
+            </Space>
+          </Card>
+        );
+      default:
+        return null;
+    }
   };
 
-  // ---- Step 4: Milestones ----
-  const renderMilestones = () => {
-    const columns = [
-      { title: '里程碑', dataIndex: 'name', key: 'name' },
-      { title: '目标日期', dataIndex: 'targetDate', key: 'targetDate' },
-      { title: '交付物', dataIndex: 'deliverable', key: 'deliverable' },
-    ];
-
-    const [newName, setNewName] = useState('');
-    const [newDate, setNewDate] = useState('');
-    const [newDeliverable, setNewDeliverable] = useState('');
-
-    const addMilestone = () => {
-      if (!newName) return;
-      setProject({
-        ...project,
-        milestones: [
-          ...project.milestones,
-          { key: Date.now().toString(), name: newName, targetDate: newDate, deliverable: newDeliverable },
-        ],
-      });
-      setNewName('');
-      setNewDate('');
-      setNewDeliverable('');
-    };
-
-    return (
-      <div>
-        <Space style={{ marginBottom: 16 }}>
-          <Input placeholder="里程碑名称" value={newName} onChange={setNewName} style={{ width: 160 }} />
-          <Input placeholder="目标日期" value={newDate} onChange={setNewDate} style={{ width: 120 }} />
-          <Input placeholder="交付物" value={newDeliverable} onChange={setNewDeliverable} style={{ width: 160 }} />
-          <Button type="primary" onClick={addMilestone}>
-            添加
-          </Button>
-        </Space>
-        <Table columns={columns} data={project.milestones} pagination={false} size="small" />
-      </div>
-    );
-  };
-
-  // ---- Step 5: Confirm ----
-  const renderConfirm = () => (
-    <Card title="项目创建确认">
-      <Space direction="vertical" size="medium" style={{ width: '100%' }}>
-        <div>
-          <Text bold>项目名称：</Text>
-          <Text>{project.name}</Text>
-        </div>
-        <div>
-          <Text bold>项目目标：</Text>
-          <Text>{project.goal}</Text>
-        </div>
-        <div>
-          <Text bold>包含范围：</Text>
-          <Text>{project.scopeIn}</Text>
-        </div>
-        <div>
-          <Text bold>干系人数量：</Text>
-          <Text>{project.stakeholders.length}</Text>
-        </div>
-        <div>
-          <Text bold>里程碑数量：</Text>
-          <Text>{project.milestones.length}</Text>
-        </div>
-        {(!project.name || !project.goal) && (
-          <div style={{ color: '#ff7d00', fontSize: 14, marginTop: 8 }}>⚠️ 项目名称和目标为必填项</div>
-        )}
-      </Space>
-    </Card>
-  );
-
-  const stepRenderers = [renderBasicInfo, renderCharter, renderStakeholders, renderMilestones, renderConfirm];
-
   return (
     <div style={{ maxWidth: 900, margin: '40px auto', padding: '0 24px' }}>
       <Title heading={4} style={{ marginBottom: 24 }}>
@@ -296,7 +313,7 @@ const WizardPage: React.FC = () => {
         ))}
       </Steps>
 
-      <Card style={{ minHeight: 300, marginBottom: 24 }}>{stepRenderers[current]()}</Card>
+      <Card style={{ minHeight: 300, marginBottom: 24 }}>{renderStep()}</Card>
 
       <Space style={{ display: 'flex', justifyContent: 'space-between' }}>
         <Button onClick={prev} disabled={current === 0}>