修复了课程表和发帖按钮

src/screens/schedule/ScheduleScreen.tsx

@@ -24,13 +24,13 @@ import { MaterialCommunityIcons } from '@expo/vector-icons';
 import { useFocusEffect, useNavigation } from '@react-navigation/native';
 import { NativeStackNavigationProp } from '@react-navigation/native-stack';
 import { colors, fontSizes, spacing, borderRadius, shadows } from '../../theme';
+import { useResponsive } from '../../hooks/useResponsive';
 import {
   Course,
   COURSE_COLORS,
   TimeSlot,
   getCourseColor,
   hasCourseInWeek,
-  getCurrentWeek,
 } from '../../types/schedule';
 import type { ScheduleStackParamList } from '../../navigation/types';
 import { scheduleService } from '../../services/scheduleService';
@@ -44,8 +44,8 @@ const VISIBLE_WEEKDAY_NAMES = ['周一', '周二', '周三', '周四', '周五',
 // 星期列宽度（根据屏幕宽度自动计算）
 const getDayColumnWidth = () => Math.max(46, (SCREEN_WIDTH - TIME_COLUMN_WIDTH - 2) / VISIBLE_DAY_VALUES.length);
 
-// 每个大节（两小节）高度
-const SECTION_HEIGHT = 105;
+// 每个大节（两小节）高度 - 默认值，会在组件中动态调整
+const DEFAULT_SECTION_HEIGHT = 105;
 // 顶部周选择器高度
 const WEEK_SELECTOR_HEIGHT = 44;
 // 星期标题行高度
@@ -106,6 +106,18 @@ const getTodayColumnIndex = () => {
 // 第1周固定从2026年3月9日（周一）开始
 const FIRST_WEEK_START = new Date(2026, 2, 9); // 2026年3月9日
 
+// 计算当前日期对应的周数（返回1-20）
+const getCurrentWeekNumber = (): number => {
+  const now = new Date();
+  // 计算当前日期与第一周周一的差距天数
+  const diffTime = now.getTime() - FIRST_WEEK_START.getTime();
+  const diffDays = Math.floor(diffTime / (1000 * 60 * 60 * 24));
+  // 计算周数（从1开始）
+  const weekNumber = Math.floor(diffDays / 7) + 1;
+  // 确保周数在有效范围内
+  return Math.max(1, Math.min(TOTAL_WEEKS, weekNumber));
+};
+
 // 获取指定周的起始日期、每天的日期和月份
 // weekIndex: 0表示第1周，1表示第2周，以此类推
 const getWeekInfo = (weekIndex: number = 0) => {
@@ -131,18 +143,41 @@ const getWeekDates = (weekOffset: number = 0) => {
   return getWeekInfo(weekOffset).dates;
 };
 
-// 学期起始日期字符串（用于 getCurrentWeek 函数）
-const SEMESTER_START_DATE = '2026-03-09';
-
-// 计算当前实际周数
-const getInitialWeek = (): number => {
-  return getCurrentWeek(SEMESTER_START_DATE, TOTAL_WEEKS);
-};
+// 获取初始周数（仅在组件初始化时计算一次）
+const INITIAL_WEEK = getCurrentWeekNumber();
 
 export const ScheduleScreen: React.FC = () => {
   const navigation = useNavigation<NativeStackNavigationProp<ScheduleStackParamList>>();
-  const [currentWeek, setCurrentWeek] = useState(getInitialWeek);
+  // 使用响应式 hook 检测屏幕尺寸
+  const { width: screenWidth, height: screenHeight, isMobile, platform } = useResponsive();
+  const isWeb = platform.isWeb;
+  const [currentWeek, setCurrentWeek] = useState(INITIAL_WEEK);
   const [courses, setCourses] = useState<Course[]>([]);
+  
+  // 动态计算日列宽度：移动端填满屏幕宽度，电脑端也填满
+  // Web端需要特殊处理，确保周一到周日刚好横向填满
+  const dayColumnWidth = useMemo(() => {
+    if (isWeb) {
+      // Web端：使用更大的宽度确保填满
+      return Math.max(80, (screenWidth - TIME_COLUMN_WIDTH) / VISIBLE_DAY_VALUES.length);
+    }
+    // 移动端和原生桌面端
+    return Math.max(46, (screenWidth - TIME_COLUMN_WIDTH - 2) / VISIBLE_DAY_VALUES.length);
+  }, [screenWidth, isWeb]);
+  
+  // 动态计算每节课的高度
+  // 手机端：第六节课底部刚好跟底部导航栏持平（可用高度 = 屏幕高度 - 周选择器 - 星期标题 - 底部Tab栏）
+  // 电脑端：第六节课刚好填到底部（可用高度 = 屏幕高度 - 周选择器 - 星期标题）
+  const sectionHeight = useMemo((): number => {
+    const totalHeaderHeight = WEEK_SELECTOR_HEIGHT + HEADER_HEIGHT;
+    const bottomOffset = isMobile ? TAB_BAR_HEIGHT : 0;
+    // 可用高度 = 屏幕高度 - 顶部区域 - 底部偏移
+    const availableHeight = screenHeight - totalHeaderHeight - bottomOffset;
+    // 6节课，每节课高度 = 可用高度 / 6
+    const calculatedHeight = Math.floor(availableHeight / 6);
+    // 确保高度不低于默认值
+    return Math.max(DEFAULT_SECTION_HEIGHT, calculatedHeight);
+  }, [screenHeight, isMobile]);
   const [isAddModalVisible, setIsAddModalVisible] = useState(false);
   const [pendingDay, setPendingDay] = useState<number>(0);
   const [pendingMergedSection, setPendingMergedSection] = useState<number>(1);
@@ -172,13 +207,10 @@ export const ScheduleScreen: React.FC = () => {
     };
   }, []);
   const todayColumnIndex = getTodayColumnIndex();
-  // 获取当前实际周数，用于判断是否在查看当前周
-  const actualCurrentWeek = getInitialWeek();
-  // 只有在查看当前实际周时才高亮今日列
-  const isViewingCurrentWeek = currentWeek === actualCurrentWeek;
+  // 当前正在查看的周是否为真实的当前周
+  const isViewingCurrentWeek = currentWeek === INITIAL_WEEK;
   const activeTodayColumn = isViewingCurrentWeek ? todayColumnIndex : -1;
 
-  const dayColumnWidth = getDayColumnWidth();
   const usedCourseColors = useMemo(
     () => new Set(courses.map(item => normalizeHexColor(item.color || '')).filter(Boolean)),
     [courses]
@@ -396,7 +428,7 @@ export const ScheduleScreen: React.FC = () => {
             style={[
               styles.dayHeader,
               {
-                width: dayColumnWidth,
+                flex: 1,
                 backgroundColor: index === activeTodayColumn ? `${colors.primary.main}10` : 'transparent',
               },
             ]}
@@ -433,7 +465,7 @@ export const ScheduleScreen: React.FC = () => {
           key={slot.section}
           style={[
             styles.timeCell,
-            { height: SECTION_HEIGHT },
+            { height: sectionHeight },
           ]}
         >
           <View style={styles.timeSectionBadge}>
@@ -558,8 +590,8 @@ export const ScheduleScreen: React.FC = () => {
     const startMergedSection = getMergedSectionIndex(course.startSection);
     const endMergedSection = getMergedSectionIndex(course.endSection);
     const duration = endMergedSection - startMergedSection + 1;
-    const top = (startMergedSection - 1) * SECTION_HEIGHT;
-    const height = duration * SECTION_HEIGHT - 4;
+    const top = (startMergedSection - 1) * sectionHeight;
+    const height = duration * sectionHeight - 4;
     const laneGap = 2;
     const baseLeft = 2;
     const availableWidth = dayColumnWidth - baseLeft * 2;
@@ -618,9 +650,8 @@ export const ScheduleScreen: React.FC = () => {
         style={[
           styles.dayColumn,
           {
-            width: dayColumnWidth,
             borderRightWidth: isLastColumn ? 0 : 1,
-            backgroundColor: columnIndex === activeTodayColumn ? `${colors.primary.main}08` : 'transparent',
+            backgroundColor: columnIndex === activeTodayColumn ? `${colors.primary.main}08` : colors.background.default,
           },
         ]}
       >
@@ -633,7 +664,7 @@ export const ScheduleScreen: React.FC = () => {
               key={slot.section}
               style={[
                 styles.gridCell,
-                { height: SECTION_HEIGHT },
+                { height: sectionHeight },
               ]}
               activeOpacity={1}
               delayLongPress={280}
@@ -652,7 +683,11 @@ export const ScheduleScreen: React.FC = () => {
   };
 
   // 渲染课程表主体
-  const renderScheduleBody = () => (
+  const renderScheduleBody = () => {
+    // 移动端和电脑端都不添加额外底部间距，让内容填满整个区域
+    // 动态计算的高度已经确保第六节课显示在正确位置
+    
+    return (
     <PanGestureHandler
       activeOffsetX={[-8, 8]}
       failOffsetY={[-80, 80]}
@@ -661,13 +696,14 @@ export const ScheduleScreen: React.FC = () => {
       <View style={styles.scheduleBodyGestureLayer}>
         <ScrollView
           style={styles.scheduleBody}
-          showsVerticalScrollIndicator={true}
+          showsVerticalScrollIndicator={false}
           contentContainerStyle={styles.scheduleBodyContent}
         >
           {renderTimeColumn()}
           <ScrollView
             horizontal
             showsHorizontalScrollIndicator={false}
+            contentContainerStyle={{ flexGrow: 1 }}
           >
             <View style={styles.daysContainer}>
               {VISIBLE_DAY_VALUES.map((dayOfWeek, index) =>
@@ -678,7 +714,8 @@ export const ScheduleScreen: React.FC = () => {
         </ScrollView>
       </View>
     </PanGestureHandler>
-  );
+    );
+  };
 
   return (
     <SafeAreaView style={styles.container} edges={['top']}>
@@ -1063,11 +1100,11 @@ const styles = StyleSheet.create({
     flexDirection: 'row',
     height: HEADER_HEIGHT,
     backgroundColor: colors.background.paper,
-    borderBottomWidth: StyleSheet.hairlineWidth,
+    borderBottomWidth: 1,
     borderBottomColor: colors.divider,
   },
   timeHeader: {
-    borderRightWidth: StyleSheet.hairlineWidth,
+    borderRightWidth: 1,
     borderRightColor: colors.divider,
     alignItems: 'center',
     justifyContent: 'center',
@@ -1079,6 +1116,7 @@ const styles = StyleSheet.create({
     letterSpacing: 0.3,
   },
   dayHeader: {
+    flex: 1,
     alignItems: 'center',
     justifyContent: 'center',
     paddingVertical: 3,
@@ -1118,7 +1156,6 @@ const styles = StyleSheet.create({
   scheduleBody: {
     flex: 1,
     backgroundColor: colors.background.default,
-    marginBottom: TAB_BAR_HEIGHT,
   },
   scheduleBodyGestureLayer: {
     flex: 1,
@@ -1164,11 +1201,16 @@ const styles = StyleSheet.create({
   // ── 日期列容器 ────────────────────────────────────────
   daysContainer: {
     flexDirection: 'row',
+    flex: 1,
+    backgroundColor: colors.background.default,
+    minWidth: TIME_COLUMN_WIDTH, // 确保最小宽度
   },
 
   // ── 单日列 ────────────────────────────────────────────
   dayColumn: {
-    borderRightWidth: StyleSheet.hairlineWidth,
+    flex: 1,
+    backgroundColor: colors.background.default, // 使用主题默认背景色
+    borderRightWidth: 1,
     borderRightColor: '#EBEBEB',
   },
   gridCell: {