Go语言访问IPFS分布式文件客户端的API-未完待续

Posted on Edited on Views: Waline: Word count in article: 639 Reading time ≈ 2 mins.

作为备份，存储一下，

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package main

import (
	"context"
	"fmt"
	"github.com/ipfs/boxo/files"
	"github.com/ipfs/boxo/path"
	"github.com/ipfs/kubo/client/rpc"
	ma "github.com/multiformats/go-multiaddr"
	"net/http"
	"os"
)

func main() {
	// "Connect" to local node
	address, err := ma.NewMultiaddr("/ip4/192.168.123.6/tcp/4001")
	if err != nil {
		fmt.Println(err)
	}

	node, err := rpc.NewApiWithClient(address, &http.Client{})
	//node, err := rpc.NewLocalApi()
	if err != nil {
		fmt.Println(err)
		return
	}
	// Pin a given file by its CID
	ctx := context.Background()
	cid := "/ipfs/QmepEzGBkDQ7a8xCTVYZvuZL2C7FUxaaC75FSY8pGb1v7b"
	p, err := path.NewPath(cid)
	if err != nil {
		fmt.Println(err)
	}
	//p := path.New(cid)
	data, err := node.Object().Get(ctx, p)

	if err != nil {
		fmt.Println(err)
		return
	}
	fmt.Println(string(data.RawData()))
	return
}

func getFile() {

}

func putFile() {
	// "Connect" to local node
	node, err := rpc.NewLocalApi()
	if err != nil {
		fmt.Println(err)
		return
	}
	// Pin a given file by its CID
	ctx := context.Background()

	f, _ := os.Open("/Users/qxdo/Projects/make_order/test.html")
	fmt.Println(node.Unixfs().Add(ctx, files.NewReaderFile(f)))
}

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package main

import (
	"context"
	"fmt"
	"github.com/ipfs/boxo/path"
	"github.com/ipfs/kubo/client/rpc"
	//path "github.com/ipfs/boxo/coreiface/path"
)

func main() {
	// "Connect" to local node
	node, err := rpc.NewLocalApi()
	if err != nil {
		fmt.Println(err)
		return
	}
	// Pin a given file by its CID
	ctx := context.Background()
	cid := "/ipfs/QmcmaL2fiXR6BLJiVixtCsX46xydTTjYdQr3DB2D7ecBQT"
	p, err := path.NewPath(cid)
	if err != nil {
		fmt.Println(err)
	}
	//p := path.New(cid)
	data, err := node.Object().Get(ctx, p)

	if err != nil {
		fmt.Println(err)
		return
	}
	fmt.Println(string(data.RawData()))
	return
}

一个简易HTML 网页文件管理的前端

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>文件列表页</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
        }
        .container {
            width: 80%;
            margin: 20px auto;
        }
        .file-list {
            list-style-type: none;
            padding: 0;
        }
        .file-list-item {
            padding: 10px;
            border-bottom: 1px solid #ddd;
        }
        .file-list-item:hover {
            background-color: #f5f5f5;
        }
        .button-group {
            margin-bottom: 20px;
        }
        .button {
            padding: 10px 20px;
            margin-right: 10px;
            background-color: #5cb85c;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        .button:hover {
            background-color: #4cae4c;
        }


        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
        }
        .container {
            width: 80%;
            margin: 20px auto;
        }
        .file-list {
            list-style-type: none;
            padding: 0;
        }
        .file-list-item {
            padding: 10px;
            border-bottom: 1px solid #ddd;
        }
        .file-list-item:hover {
            background-color: #f5f5f5;
        }
        .button-group {
            margin-bottom: 20px;
            text-align: right;
        }
        .button {
            padding: 10px 20px;
            margin-left: 10px;
            background-color: #5cb85c;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        .button:hover {
            background-color: #4cae4c;
        }
        /* 添加文件上传样式 */
        .upload-area {
            display: none;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: #fff;
            border: 1px solid #ddd;
            padding: 20px;
            border-radius: 4px;
            z-index: 1000;
        }
        .close-btn {
            float: right;
            cursor: pointer;
        }
    </style>
</head>
<body>
<div class="container">
    <div class="button-group">
        <button class="button" onclick="toggleUploadArea()">上传文件</button>
        <button class="button">新建文件夹</button>
    </div>
    <ul class="file-list">
        <!-- 文件列表项 -->
    </ul>
</div>
<!-- 文件上传区域 -->
<div class="upload-area" id="uploadArea">
    <span class="close-btn" onclick="toggleUploadArea()">&times;</span>
    <h3>选择文件上传</h3>
    <form id="uploadForm">
        <input type="file" id="fileInput" multiple>
        <button type="submit" class="button">开始上传</button>
    </form>
</div>
<script>
    // 切换上传区域的显示和隐藏
    function toggleUploadArea() {
        var uploadArea = document.getElementById('uploadArea');
        uploadArea.style.display = uploadArea.style.display === 'none' ? 'block' : 'none';
    }
    // 处理文件上传
    document.getElementById('uploadForm').addEventListener('submit', function(event) {
        event.preventDefault();
        var files = document.getElementById('fileInput').files;
        // 这里可以添加处理文件上传的代码，例如通过XMLHttpRequest发送文件到服务器
        alert('文件选择成功，可以开始上传了。');
        // 关闭上传区域
        toggleUploadArea();
    });
    // 关闭上传区域
    document.getElementById('uploadArea').addEventListener('click', function(event) {
        if (event.target === event.currentTarget) {
            toggleUploadArea();
        }
    });
</script>
</body>
</html>