以下是用 C# 实现对象存储 OSS 的代码，包括读取、修改和删除指定账号行的功能：
```csharp
using Aliyun.OSS;
using System;
using System.IO;
namespace OSSDemo
{
class Program
{
static void Main(string[] args)
{
// 配置OSS连接信息
var endpoint = "oss-cn-hangzhou.aliyuncs.com";
var accessKeyId = "";
var accessKeySecret = "";
var bucketName = "";
// 创建OSSClient实例
var client = new OssClient(endpoint, accessKeyId, accessKeySecret);
// 读取指定账号行
var objectName = "accounts.txt";
var request = new GetObjectRequest(bucketName, objectName);
using (var stream = new MemoryStream())
{
client.GetObject(request).Content.CopyTo(stream);
var content = System.Text.Encoding.UTF8.GetString(stream.ToArray());
Console.WriteLine("Accounts file content:");
Console.WriteLine(content);
}
// 修改指定账号行
var accountIndex = 2; // 假设要修改第3行账号
var newAccount = "new_account_name,new_password"; // 新的账号信息
request = new GetObjectRequest(bucketName, objectName);
using (var stream = new MemoryStream())
{
client.GetObject(request).Content.CopyTo(stream);
var lines = System.Text.Encoding.UTF8.GetString(stream.ToArray()).Split('\n');
if (accountIndex >= 0 && accountIndex < lines.Length)
{
lines[accountIndex] = newAccount;
var newContent = string.Join("\n", lines);
var uploadRequest = new PutObjectRequest(bucketName, objectName, new MemoryStream(System.Text.Encoding.UTF8.GetBytes(newContent)));
client.PutObject(uploadRequest);
Console.WriteLine("Account at line {0} has been updated.", accountIndex + 1);
}
else
{
Console.WriteLine("Invalid account index.");
}
}
// 删除指定账号行
accountIndex = 1; // 假设要删除第2行账号
request = new GetObjectRequest(bucketName, objectName);
using (var stream = new MemoryStream())
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