{php} // 获取股票信息 $stockInfo = getStockInfo('603933'); // 判断涨跌颜色 $priceColor = ''; if ($stockInfo['change'] !== '--') { $changeVal = floatval(str_replace(['+', '-'], '', $stockInfo['change'])); if ($stockInfo['change'][0] === '+') { $priceColor = 'color: #ef4335'; // 上涨红色 } elseif ($stockInfo['change'][0] === '-') { $priceColor = 'color: #00b894'; // 下跌绿色 } } {/php}