test_key_map_c.json

{
    "test001": {
        "Key": "test001", 
        "Name": "\t\tzhangsan\n", 
        "Age": 18
    }, 
    "test002": {
        "Key": "test002", 
        "Name": "{\"Ratio\":1,\"Base\":1000}", 
        "Age": 19
    }
}