获取差旅类型

{
    "error": "0",
    "data": [
        {
            "code": "SALE",
            "name": "售前支持"
        },
        {
            " code": "SUPPORTS",
            " name": "售后支持"
        },
        {
            " code": "TRAINING",
            " name": "培训"
        }
    ]
}