function MainComponent() { const [stockSymbol, setStockSymbol] = React.useState(''); const [stockData, setStockData] = React.useState(null); const handleSubmit = (e)=>{ e.preventDefault(); // Here you would typically fetch stock data from an API // For demonstration, we'll just set some dummy data setStockData({ symbol: stockSymbol, price: Math.random() * 1000, change: (Math.random() - 0.5) * 10 }); }; return /*#__PURE__*/ React.createElement("div", { className: "min-h-screen bg-gray-100 py-12 px-4 sm:px-6 lg:px-8", __source: { fileName: "", lineNumber: 17, columnNumber: 5 }, __self: this }, /*#__PURE__*/ React.createElement("div", { className: "max-w-md mx-auto bg-white rounded-xl shadow-md overflow-hidden md:max-w-2xl", __source: { fileName: "", lineNumber: 18, columnNumber: 7 }, __self: this }, /*#__PURE__*/ React.createElement("div", { className: "md:flex", __source: { fileName: "", lineNumber: 19, columnNumber: 9 }, __self: this }, /*#__PURE__*/ React.createElement("div", { className: "p-8", __source: { fileName: "", lineNumber: 20, columnNumber: 11 }, __self: this }, /*#__PURE__*/ React.createElement("div", { className: "uppercase tracking-wide text-sm text-indigo-500 font-semibold", __source: { fileName: "", lineNumber: 21, columnNumber: 13 }, __self: this }, "股票分析"), /*#__PURE__*/ React.createElement("form", { onSubmit: handleSubmit, className: "mt-4", __source: { fileName: "", lineNumber: 22, columnNumber: 13 }, __self: this }, /*#__PURE__*/ React.createElement("input", { type: "text", name: "stockSymbol", value: stockSymbol, onChange: (e)=>setStockSymbol(e.target.value), placeholder: "输入股票代码", className: "mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50", __source: { fileName: "", lineNumber: 23, columnNumber: 15 }, __self: this }), /*#__PURE__*/ React.createElement("button", { type: "submit", className: "mt-4 px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-indigo-600 hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500", __source: { fileName: "", lineNumber: 31, columnNumber: 15 }, __self: this }, "分析")), stockData && /*#__PURE__*/ React.createElement("div", { className: "mt-4", __source: { fileName: "", lineNumber: 36, columnNumber: 15 }, __self: this }, /*#__PURE__*/ React.createElement("h2", { className: "text-lg font-semibold", __source: { fileName: "", lineNumber: 37, columnNumber: 17 }, __self: this }, stockData.symbol, " 分析结果"), /*#__PURE__*/ React.createElement("p", { className: "mt-2", __source: { fileName: "", lineNumber: 38, columnNumber: 17 }, __self: this }, "当前价格: ¥", stockData.price.toFixed(2)), /*#__PURE__*/ React.createElement("p", { className: `mt-1 ${stockData.change >= 0 ? 'text-green-600' : 'text-red-600'}`, __source: { fileName: "", lineNumber: 39, columnNumber: 17 }, __self: this }, "变动: ", stockData.change >= 0 ? '+' : '', stockData.change.toFixed(2), "%")))))); }