math_cms/resources/views/livewire/mastery-heatmap.blade.php

<div>
    {{-- 标题和控制 --}}
    <div class="flex items-center justify-between">
        <div>
            <h3 class="text-lg font-medium text-gray-900">掌握度热力图</h3>
            <p class="mt-1 text-sm text-gray-500">
                以网格形式展示学生对各知识点的掌握情况
            </p>
        </div>
        @if (!empty($heatmapData['data']))
            <div class="text-sm text-gray-600">
                共 {{ count($heatmapData['data']) }} 个知识点
            </div>
        @endif
    </div>

    {{-- 热力图容器 --}}
    <div class="relative bg-white rounded-lg border border-gray-200 p-6" style="min-height: 400px;">
        @if ($isLoading)
            <div class="flex items-center justify-center h-96">
                <div class="flex flex-col items-center">
                    <svg class="animate-spin h-8 w-8 text-indigo-600" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
                        <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
                        <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
                    </svg>
                    <p class="mt-3 text-sm text-gray-600">正在加载热力图数据...</p>
                </div>
            </div>
        @elseif ($errorMessage)
            <div class="flex items-center justify-center h-96">
                <div class="text-center">
                    <svg class="mx-auto h-12 w-12 text-red-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"></path>
                    </svg>
                    <h3 class="mt-2 text-sm font-medium text-gray-900">加载失败</h3>
                    <p class="mt-1 text-sm text-red-600">{{ $errorMessage }}</p>
                </div>
            </div>
        @elseif (empty($heatmapData['data']))
            <div class="flex items-center justify-center h-96">
                <div class="text-center">
                    <svg class="mx-auto h-12 w-12 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z"></path>
                    </svg>
                    <h3 class="mt-2 text-sm font-medium text-gray-900">暂无热力图数据</h3>
                    <p class="mt-1 text-sm text-gray-500">该学生还没有掌握度数据</p>
                </div>
            </div>
        @else
            {{-- 简单的文本展示代替热力图 --}}
            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
                @foreach ($heatmapData['data'] as $index => $item)
                    <div class="p-4 border rounded-lg" style="background-color: {{ $this->getMasteryColor($item['mastery_level'] ?? 0) }};">
                        <div class="text-sm font-medium text-white">{{ $item['kp_code'] ?? 'N/A' }}</div>
                        <div class="text-xs text-white mt-1">{{ number_format(($item['mastery_level'] ?? 0) * 100, 1) }}%</div>
                    </div>
                @endforeach
            </div>

            {{-- 分类图例 --}}
            @if (!empty($heatmapData['categories']))
                <div class="mt-4 flex flex-wrap gap-4 justify-center">
                    @foreach ($heatmapData['categories'] as $category)
                        <div class="flex items-center space-x-2">
                            <div class="w-3 h-3 rounded-full bg-indigo-500"></div>
                            <span class="text-xs text-gray-600">{{ $category }}</span>
                        </div>
                    @endforeach
                </div>
            @endif
        @endif
    </div>

    {{-- ECharts 脚本（简化版） --}}
    <script>
        document.addEventListener('livewire:initialized', () => {
            console.log('热力图已初始化');
        });

        // 监听 Livewire 更新
        document.addEventListener('livewire:update', () => {
            console.log('热力图数据已更新');
        });
    </script>
</div>