// ***********************************************常用函数*************************************************** \
// API中生成返回结果的方法
// OpAndToAndFrom[0]参数为空时，系统将指定与对端相同的操作符
// OpAndToAndFrom[1]参数为空时，系统将指定与对端为接收者
// OpAndToAndFrom[2]参数为空时，系统将指定自身为发送者
func ReturnData(body interface{}, OpAndToAndFrom ...string) *NetData { data := &NetData{ Status: SUCCESS,
Body: body,
}
if len(OpAndToAndFrom) > 0 { data.Operation = OpAndToAndFrom[0]
}
if len(OpAndToAndFrom) > 1 { data.To = OpAndToAndFrom[1]
}
if len(OpAndToAndFrom) > 2 { data.From = OpAndToAndFrom[2]
}
return data
}
// 返回错误，receive建议为直接接收到的*NetData
func ReturnError(receive *NetData, status int, msg string, nodeuid ...string) *NetData { receive.Status = status
receive.Body = msg
receive.From = ""
if len(nodeuid) > 0 { receive.To = nodeuid[0]
} else { receive.To = ""
}
return receive
}