# 智能合约-15.枚举

By [Murraya](https://paragraph.com/@murraya) · 2022-05-08

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枚举
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    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.7;
    
    contract Enum {
        enum Status {
            Node,
            Pedding,
            Shipped,
            Completed,
            Rejected,
            Canceled
        }
    
        Status public status;
    
        struct Order {
            address buyer;
            Status status
        }
    
        Order[] public orders;
    
        function get() view returns (Status) {
            return status;
        }
    
        // 设置枚举类型
        function set(Status _status) external {
            status = _status;
        }
    
        // 指定特定的枚举类型
        function ship() external {
            status = Status.Shipped;
        }
    
        // 恢复为默认值
        function reset() external {
            delete status;
        }
     }

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*Originally published on [Murraya](https://paragraph.com/@murraya/15)*