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document.getElementById('appointmentForm').addEventListener('submit', function(e) {e.preventDefault();var formData = new FormData(this);fetch('/submit-appointment', {method: 'POST',body: formData}).then(response => response.json()).then(data => {if (data.success) {alert("预约成功，我们将尽快与您联系。");} else {alert("预约失败，请稍后重试。");}}).catch(error => {console.error('Error:', error);});">