获取附件列表

{
    "page_size": 30,
    "page_index": 0,
    "total": 2,
    "values": [
        {
            "id": "5da588ca84c7377a5d327e6d",
            "url": "https://rest_api_root/v1/attachments/5da588ca84c7377a5d327e6d?principal_type=work_item&principal_id=5edca524cad2fa1125cb0630&comment_id=59f72dfaeadb5b5197b7da6d",
            "title": "这是一个代码片段",
            "size": 16,
            "type": "snippet",
            "format": "javascript",
            "content": "const a = 'abc';",
            "line": 1,
            "created_at": 1583290347,
            "created_by": {
                "id": "a0417f68e846aae315c85d24643678a9",
                "url": "https://rest_api_root/v1/directory/users/a0417f68e846aae315c85d24643678a9",
                "name": "john",
                "display_name": "John",
                "avatar": "https://s3.amazonaws.com/bucket/b46ef40c-e22e-4ecf-a599-cace9fba839a_160x160.png"
            }
        },
        {
            "id": "5da588ca84c7377a5d327e6f",
            "url": "https://rest_api_root/v1/attachments/5da588ca84c7377a5d327e6f?principal_type=work_item&principal_id=5edca524cad2fa1125cb0630&comment_id=59f72dfaeadb5b5197b7da6d",
            "title": "这是一个图片类型的附件",
            "size": 1024,
            "type": "file",
            "file_type": "image",
            "ext": "png",
            "download_url": "https://s3.amazonaws.com/bucket/b46ef40c-e22e-4ecf-a599-cace9fba839b.png",
            "created_at": 1583290347,
            "created_by": {
                "id": "a0417f68e846aae315c85d24643678a9",
                "url": "https://rest_api_root/v1/directory/users/a0417f68e846aae315c85d24643678a9",
                "name": "john",
                "display_name": "John",
                "avatar": "https://s3.amazonaws.com/bucket/b46ef40c-e22e-4ecf-a599-cace9fba839a_160x160.png"
            }
        }
    ]
}