```json
{
"summary

```json
{
"summary": "我已为图表类型选择器添加了可视化图标，并实现了点击切换图表样式的交互效果。现在用户可以通过直观的图标按钮切换不同的图表类型。",
"widget": {
"type": "custom-template",
"isAPI": false,
"fullWidth": true,
"html": "<div class=\"bg-white rounded-xl shadow-md border border-solid border-gray-200 p-6\">\n <div class=\"flex flex-col md:flex-row justify-between items-start md:items-center mb-6 gap-4\">\n <div>\n <h2 class=\"text-2xl font-bold text-gray-800\">2023年销售数据</h2>\n <p class=\"text-gray-500\">单位：万元</p>\n </div>\n \n <div class=\"flex flex-wrap gap-2\">\n <div class=\"inline-flex rounded-md shadow-sm\" role=\"group\">\n <button type=\"button\" class=\"px-3 py-2 text-sm font-medium rounded-l-lg border border-solid border-indigo-500 bg-indigo-50 text-indigo-700 hover:bg-indigo-100 focus:z-10 focus:ring-2 focus:ring-indigo-500 chart-type-btn\" data-type=\"bar\">\n <svg class=\"w-5 h-5\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\" xmlns=\"http://www.w3.org/2000/svg\">\n <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>\n </svg>\n </button>\n <button type=\"button\" class=\"px-3 py-2 text-sm font-medium border-t border-b border-solid border-gray-300 bg-white text-gray-700 hover:bg-gray-50 focus:z-10 focus:ring-2 focus:ring-indigo-500 chart-type-btn\" data-type=\"line\">\n <svg class=\"w-5 h-5\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\" xmlns=\"http://www.w3.org/2000/svg\">\n <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M7 12l5-5m0 0l5 5m-5-5v12m10-5a9 9 0 11-18 0 9 9 0 0118 0z\"></path>\n </svg>\n </button>\n <button type=\"button\" class=\"px-3 py-2 text-sm font-medium border border-solid border-gray-300 bg-white text-gray-700 hover:bg-gray-50 focus:z-10 focus:ring-2 focus:ring-indigo-500 chart-type-btn\" data-type=\"pie\">\n <svg class=\"w-5 h-5\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\" xmlns=\"http://www.w3.org/2000/svg\">\n <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M11 3.055A9.001 9.001 0 1020.945 13H11V3.055z\"></path>\n <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M20.488 9H15V3.512A9.025 9.025 0 0120.488 9z\"></path>\n </svg>\n </button>\n <button type=\"button\" class=\"px-3 py-2 text-sm font-medium rounded-r-lg border border-solid border-gray-300 bg-white text-gray-700 hover:bg-gray-50 focus:z-10 focus:ring-2 focus:ring-indigo-500 chart-type-btn\" data-type=\"mixed\">\n <svg class=\"w-5 h-5\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\" xmlns=\"http://www.w3.org/2000/svg\">\n <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M4 6h16M4 10h16M4 14h16M4 18h16\"></path>\n </svg>\n </button>\n </div>\n </div>\n </div>\n \n <div class=\"relative h-96 bg-gray-50 rounded-lg border border-solid border-gray-200 overflow-hidden\" id=\"chart-container\">\n <!-- 图表将通过JavaScript动态渲染 -->\n <div class=\"w-full h-full flex items-center justify-center\">\n <div class=\"text-center p-6\">\n <svg class=\"mx-auto h-12 w-12 text-indigo-400\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\" xmlns=\"http://www.w3.org/2000/svg\">\n <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"1\" 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>\n </svg>\n <h3 class=\"mt-2 text-lg font-medium text-gray-700\">点击上方图标切换图表类型</h3>\n <p class=\"mt-1 text-sm text-gray-500\">支持柱状图、折线图、饼图和混合图表</p>\n </div>\n </div>\n </div>\n \n <script>\n document.querySelectorAll('.chart-type-btn').forEach(btn => {\n btn.addEventListener('click', function() {\n // 移除所有按钮的选中状态\n document.querySelectorAll('.chart-type-btn').forEach(b => {\n b.classList.remove('bg-indigo-50', 'text-indigo-700', 'border-indigo-500');\n b.classList.add('bg-white', 'text-gray-700', 'border-gray-300');\n });\n \n // 为当前按钮添加选中状态\n this.classList.add('bg-indigo-50', 'text-indigo-700', 'border-indigo-500');\n this.classList.remove('bg-white', 'text-gray-700', 'border-gray-300');\n \n // 获取图表类型\n const chartType = this.getAttribute('data-type');\n const chartContainer = document.getElementById('chart-container');\n \n // 这里应该调用渲染对应图表类型的函数\n // 实际项目中可以使用Chart.js等库来实现\n console.log(`切换到 ${chartType} 图表`);\n \n // 示例：显示切换提示\n chartContainer.innerHTML = `\n <div class=\"w-full h-full flex items-center justify-center\">\n <div class=\"text-center p-6\">\n <div class=\"mx-auto h-12 w-12 text-indigo-400\">\n ${this.querySelector('svg').outerHTML}\n </div>\n <h3 class=\"mt-2 text-lg font-medium text-gray-700\">${chartType.toUpperCase()}图表展示</h3>\n <p class=\"mt-1 text-sm text-gray-500\">这里将渲染${chartType}图表的数据可视化</p>\n </div>\n </div>\n `;\n });\n });\n </script>\n</div>"
},
"next": [
"实现真实图表",
"添加加载状态",
"优化图标样式",
"添加动画过渡",
"实现数据更新"
]
}
```