From ff30a564164c47b4acc51c9c2022b1faca166cc3 Mon Sep 17 00:00:00 2001
From: Mr Ke <kelq@hugeinfo.com.cn>
Date: Wed, 27 May 2020 11:44:03 +0800
Subject: [PATCH] 修复初始状态导致的页面空白问题

---
 src/components/common/HeadView/index.jsx |   91 ++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 85 insertions(+), 6 deletions(-)

diff --git a/src/components/common/HeadView/index.jsx b/src/components/common/HeadView/index.jsx
index 96ed163..899d80b 100644
--- a/src/components/common/HeadView/index.jsx
+++ b/src/components/common/HeadView/index.jsx
@@ -6,15 +6,94 @@
 
 /** 头部组件 */
 
-import React from 'react';
-import { Layout } from 'antd';
+import React, { useEffect, useState, useContext } from 'react';
+import { Layout, Menu, Dropdown, Icon, Row, Col, message, Select } from 'antd';
+import { createHashHistory } from 'history';
 const { Header } = Layout;
+import logo from '../../../img/logo.png'
 import './index.scss';
+import { Context } from '../../../index';
 
+const history = createHashHistory();
 
-export default function MenuView({ }) {
+const { Option } = Select;
+const menu = (
+  <Menu>
+    <Menu.Item>
+      <a onClick={() => {
+        // 清空用户相关信息
+        window.localStorage.setItem('menu', '');
+        window.localStorage.setItem('token', '');
+        message.success('退出成功！');
+        window.location.href = window.location.origin + '/#/login';
+      }}>
+        退出
+      </a>
+    </Menu.Item>
+  </Menu>
+);
 
-    return (
-        <Header style={{ background: '#fff', padding: 0, boxShadow: 'inset 0 -1px 0 0 #E5E5E5' }} />
-    );
+export default function HeadView({ props }) {
+  var loginUser = window.localStorage.getItem('loginUser') || '{}';
+  loginUser = JSON.parse(loginUser);
+
+  const [selectList, setSelectList] = useState([{ name: 'OA系统', key: 'oa' }]);
+  // const [selectKey, setSelectKey] = useState('oa');
+
+  useEffect(() => {
+    // 获取该登录用户的菜单权限
+    let menu = window.localStorage.getItem('menu') ? JSON.parse(window.localStorage.getItem('menu')) : [];//获取权限菜单
+    let administration = menu.find(({ moduleSymbol }) => moduleSymbol == 'administration');
+    if (administration) {
+      setSelectList(selectList.concat({ name: '用户中心', key: 'user' }));
+    }
+  }, [])
+
+  function onSelectChange(value) {
+    // setSelectKey(value);
+    // setContext && setContext({ value })
+  }
+
+  return (
+    <Context.Consumer>
+      {
+        ({ role, setContext }) => (
+          <Header style={{ background: '#fff', padding: 0 }} className="header-view-main">
+            <Row type="flex">
+              <Col className="header-view-main-logo-area">
+                <img src={logo} alt="恒巨科技" />
+              </Col>
+              <Col className="flex-1">
+                {
+                  (loginUser && Object.keys(loginUser).length) &&
+                  <Row type="flex" align="middle" justify="space-between" >
+                    <Col>
+                      <Select value={role} size="small" style={{ marginLeft: 20, width: 120 }} onChange={value => {
+                        setContext({ role: value });
+                        history.push('/')
+                      }}>
+                        {
+                          selectList.map(({ name, key }) => (
+                            <Option value={key} key={key}>{name}</Option>
+                          ))
+                        }
+                      </Select>
+                    </Col>
+                    <Col style={{ marginRight: 40 }}>
+                      {loginUser.trueName}&nbsp;&nbsp;&nbsp;
+                      <Dropdown overlay={menu}>
+                        <a className="ant-dropdown-link" onClick={e => e.preventDefault()}>
+                          [{loginUser.dept} | {loginUser.post}]<Icon type="caret-down" />
+                        </a>
+                      </Dropdown>
+                    </Col>
+                  </Row>
+                }
+              </Col>
+            </Row>
+          </Header>
+        )
+      }
+    </Context.Consumer>
+  );
 }

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