index.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>花卉识别</title>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 20px;
        }

        h1 {
            text-align: center;
            margin-bottom: 20px;
        }

        form {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 20px;
        }

        input[type="file"] {
            display: none;
        }

        .custom-file-upload {
            border: 2px solid #4CAF50;
            background-color: white;
            color: #4CAF50;
            padding: 8px 20px;
            border-radius: 5px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .custom-file-upload:hover {
            background-color: #4CAF50;
            color: white;
        }

        #originalImage {
            max-width: 384px;
            max-height: 384px;
            display: block;
            margin: 20px auto;
        }

        #predictButton {
            background-color: #4CAF50;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            font-size: 16px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        #predictButton:hover {
            background-color: #2E8B57;
        }

        #result {
            text-align: center;
            font-size: 18px;
            font-weight: bold;
            margin-top: 20px;
        }
    </style>
</head>
<body>
    <h1>花卉识别</h1>
    <form id="uploadForm" enctype="multipart/form-data">
        <label for="imageInput" class="custom-file-upload">选择图片</label>
        <input type="file" name="image" id="imageInput">
        <button type="submit" id="predictButton" style="display:none">预测</button>
    </form>
    <div>
        <img id="originalImage" style="display:none">
    </div>
    <div id="result"></div>

    <script>
        $(document).ready(function() {
            $('#uploadForm').submit(function(event) {
                event.preventDefault();
                var formData = new FormData(this);

                $.ajax({
                    url: 'http://localhost:5000/predict',
                    type: 'POST',
                    data: formData,
                    processData: false,
                    contentType: false,
                    success: function(response) {
                        $('#result').text('类别: ' + response.class + ', 概率: ' + response.probability.toFixed(3));
                    },
                    error: function(error) {
                        console.log(error);
                        $('#result').text('预测出错');
                    }
                });
            });

            $('#imageInput').change(function() {
                var file = this.files[0];
                var reader = new FileReader();

                reader.onload = function(e) {
                    $('#originalImage').attr('src', e.target.result).show();
                }

                reader.readAsDataURL(file);
                $('#predictButton').show();
            });
        });
    </script>
</body>
</html>