# Sui创建一个非同质化代币

```html
module examples::devnet_nft {
    use sui::url::{Self, Url};
    use std::string;
    use sui::object::{Self, ID, UID};
    use sui::event;
    use sui::transfer;
    use sui::tx_context::{Self, TxContext};

    /// An example NFT that can be minted by anybody
    struct DevNetNFT has key, store {
        id: UID,
        /// Name for the token
        name: string::String,
        /// Description of the token
        description: string::String,
        /// URL for the token
        url: Url,
        // TODO: allow custom attributes
    }

    // ===== Events =====

    struct NFTMinted has copy, drop {
        // The Object ID of the NFT
        object_id: ID,
        // The creator of the NFT
        creator: address,
        // The name of the NFT
        name: string::String,
    }

    // ===== Public view functions =====

    /// Get the NFT's `name`
    public fun name(nft: &DevNetNFT): &string::String {
        &nft.name
    }

    /// Get the NFT's `description`
    public fun description(nft: &DevNetNFT): &string::String {
        &nft.description
    }

    /// Get the NFT's `url`
    public fun url(nft: &DevNetNFT): &Url {
        &nft.url
    }

    // ===== Entrypoints =====

    /// Create a new devnet_nft
    public fun mint_to_sender(
        name: vector<u8>,
        description: vector<u8>,
        url: vector<u8>,
        ctx: &mut TxContext
    ) {
        let sender = tx_context::sender(ctx);
        let nft = DevNetNFT {
            id: object::new(ctx),
            name: string::utf8(name),
            description: string::utf8(description),
            url: url::new_unsafe_from_bytes(url)
        };

        event::emit(NFTMinted {
            object_id: object::id(&nft),
            creator: sender,
            name: nft.name,
        });

        transfer::public_transfer(nft, sender);
    }

    /// Transfer `nft` to `recipient`
    public fun transfer(
        nft: DevNetNFT, recipient: address, _: &mut TxContext
    ) {
        transfer::public_transfer(nft, recipient)
    }

    /// Update the `description` of `nft` to `new_description`
    public fun update_description(
        nft: &mut DevNetNFT,
        new_description: vector<u8>,
        _: &mut TxContext
    ) {
        nft.description = string::utf8(new_description)
    }

    /// Permanently delete `nft`
    public fun burn(nft: DevNetNFT, _: &mut TxContext) {
        let DevNetNFT { id, name: _, description: _, url: _ } = nft;
        object::delete(id)
    }
}
```

### 🤝 连接 GTokenTool <a href="#lian-jie-gtokentool" id="lian-jie-gtokentool"></a>

* **💬 Telegram社群**：[点击加入官方群组](https://t.me/gtokentool)
* **🐦 Twitter (X)**：[关注我们获取最新动态](https://x.com/gtokentool)
* **📚 官方文档**：[查看 Gitbook 文档](https://docs.gtokentool.com/)
* **💻 开源代码**：[访问 GitHub 仓库](https://github.com/Gtokentool/docs/blob/master/SUMMARY.md)
* **📺 视频教程**：[订阅 YouTube 频道](https://www.youtube.com/@GTokenTool)

> ⚠️ 风险提示与免责声明
>
> GTokenTool 保留随时全权酌情因任何理由修改、变更或取消此公告的权利，无需事先通知。
>
> 以上信息内容仅供参考，GTokenTool 对本平台上的任何虚拟资产、产品或促销活动不做任何推荐或保证。虚拟资产的价格波动很大，投资交易虚拟资产将面临巨大风险。**请谨慎投资。**


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.gtokentool.com/sui/sui-chuang-jian-yi-ge-fei-tong-zhi-hua-dai-bi.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.