Demo源码
具体展示界面对应的后台代码如下所示： /*****************************************************************************************************
* 本代码版权归Quber所有，All Rights Reserved (C) 2021-2088
* 联系人邮箱：[email protected]
*****************************************************************************************************
* 命名空间：Quber.MinIO
* 类名称：FrmMain
* 创建时间：2021/2/24 11:38:04
* 创建人：Quber
* 创建说明：
*****************************************************************************************************
* 修改人：
* 修改时间：
* 修改说明：
*****************************************************************************************************/
using Minio;
using Minio.DataModel;
using Minio.Exceptions;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace Quber.MinIO
{
///
///
///
public partial class FrmMain : Form
{
///
/// 定义MinIO客户端对象
///
private MinioClient minio;
public FrmMain()
{
InitializeComponent();
minio = new MinioClient("192.168.3.200:9000", "minioadmin", "minioadmin");
}
#region 上传文件
///
/// 浏览文件
///
///
///
private void btnSelect_Click(object sender, EventArgs e)
{
if (fdMain.ShowDialog() == DialogResult.OK)
{
txtSelect.Text = string.Join(",", fdMain.FileNames);
lblCount.Text = "共选择" + fdMain.FileNames.Length + "个文件！";
}
}
///
/// 开始上传
///
///
///
private async void btnUpload_Click(object sender, EventArgs e)
{
var bucketName = txtBucketNameUpload.Text.Trim();
if (string.IsNullOrWhiteSpace(bucketName))
{
MessageBox.Show("请输入桶名称！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtBucketNameUpload.Focus();
return;
}
if (fdMain.FileNames.Length == 0)
{
MessageBox.Show("请选择要上传的文件！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
txtBucketNameUpload.Enabled = false;
btnUpload.Enabled = false;
btnSelect.Enabled = false;
try
{
for (int i = 0; i < fdMain.FileNames.Length; i++)
{
lblMsg.Text = "正在上传第" + (i + 1) + "个文件！";
var ret = await UploadFile(minio, bucketName, fdMain.FileNames[i]);
lblMsg.Text = "第" + (i + 1) + "个文件" + ret;
await Task.Run(() => { Thread.Sleep(2000); });
if (i == fdMain.FileNames.Length - 1)
{
lblMsg.Text = "所选的" + fdMain.FileNames.Length + "个文件全部上传完成！";
await Task.Run(() => { Thread.Sleep(2000); });
lblMsg.Text = "--";
}
}
}
catch (Exception ex)
{
lblMsg.Text = ex.Message;
}
txtBucketNameUpload.Enabled = true;
btnUpload.Enabled = true;
btnSelect.Enabled = true;
txtSelect.Text = "";
}
///
/// 上传文件到MinIO
///
///
///
///
///
private async Task UploadFile(MinioClient minio, string bucketName, string filePath)
{
return await Task.Run(async () =>
{
var retMsg = string.Empty;
try
{
//上传到MinIO中的文件名称
var objName = filePath.Substring(filePath.LastIndexOf('\\') + 1, filePath.Length - filePath.LastIndexOf('\\') - 1);
//检查是否存在桶
bool existBucket = await minio.BucketExistsAsync(bucketName);
if (!existBucket)
{
//创建桶
await minio.MakeBucketAsync(bucketName);
//设置桶的访问权限（读、写、读和写）
await SetPolicyAsync(bucketName, 1);
}
//上传文件到桶中
await minio.PutObjectAsync(bucketName, objName, filePath);
retMsg = "成功上传：" + objName;
}
catch (MinioException e)
{
retMsg = "文件上传错误：" + e.Message;
}
return retMsg;
});
}
#endregion
#region 创建桶/设置访问策略
///
/// 设置
///
///
///
private async void btnBucket_Click(object sender, EventArgs e)
{
var bucketName = txtBucketName.Text.Trim();
if (string.IsNullOrWhiteSpace(bucketName))
{
MessageBox.Show("请输入桶名称！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtBucketName.Focus();
return;
}
//检查是否存在桶
bool existBucket = await minio.BucketExistsAsync(bucketName);
if (!existBucket)
{
//创建桶
await minio.MakeBucketAsync(bucketName);
}
var policyType = rbRead.Checked ? 1 :
rbWrite.Checked ? 2 : 3;
await SetPolicyAsync(bucketName, policyType);
MessageBox.Show("桶名称" + bucketName + "设置成功！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
#endregion
#region 获取桶访问策略
///
/// 获取策略
///
///
///
private async void btnGetPolicy_Click(object sender, EventArgs e)
{
var bucketName = txtGetPolicy.Text.Trim();
if (string.IsNullOrWhiteSpace(bucketName))
{
MessageBox.Show("请输入桶名称！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtGetPolicy.Focus();
return;
}
//检查是否存在桶
bool existBucket = await minio.BucketExistsAsync(bucketName);
if (existBucket)
{
txtGetPolicyInfo.Text = await minio.GetPolicyAsync(bucketName);
}
else
{
MessageBox.Show("桶名称" + bucketName + "不存在！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
#endregion
#region 删除桶
///
/// 删除
///
///
///
private async void btnDeleteBucket_Click(object sender, EventArgs e)
{
var bucketName = txtDeleteBucket.Text.Trim();
if (string.IsNullOrWhiteSpace(bucketName))
{
MessageBox.Show("请输入桶名称！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtDeleteBucket.Focus();
return;
}
try
{
//检查是否存在桶
bool existBucket = await minio.BucketExistsAsync(bucketName);
if (existBucket)
{
if (MessageBox.Show("确认要删除桶" + bucketName + "？", "此删除不可恢复", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
await minio.RemoveBucketAsync(bucketName);
MessageBox.Show("桶名称" + bucketName + "删除成功！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
else
{
MessageBox.Show("桶名称" + bucketName + "不存在！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
catch (Exception ex)
{
MessageBox.Show("桶名称" + bucketName + "删除异常：" + ex.Message, "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
#endregion
#region 删除桶文件
///
/// 删除
///
///
///
private async void btnDeleteFile_Click(object sender, EventArgs e)
{
string bucketName = txtDeleteFileBucket.Text.Trim(),
fileName = txtDeleteFileName.Text.Trim();
if (string.IsNullOrWhiteSpace(bucketName))
{
MessageBox.Show("请输入桶名称！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtDeleteFileBucket.Focus();
return;
}
if (string.IsNullOrWhiteSpace(fileName))
{
MessageBox.Show("请输入文件名！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtDeleteFileName.Focus();
return;
}
try
{
//检查是否存在桶
bool existBucket = await minio.BucketExistsAsync(bucketName);
if (existBucket)
{
if (MessageBox.Show("确认要删除" + fileName + "？", "此删除不可恢复", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
await minio.RemoveObjectAsync(bucketName, fileName);
MessageBox.Show("文件" + fileName + "删除成功！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
else
{
MessageBox.Show("桶名称" + bucketName + "不存在！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
catch (Exception ex)
{
MessageBox.Show("桶名称" + bucketName + "删除异常：" + ex.Message, "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
#endregion
#region 获取桶文件
///
/// 获取
///
///
///
private async void btnGetBucketFiles_Click(object sender, EventArgs e)
{
var bucketName = txtGetBucketFiles.Text.Trim();
if (string.IsNullOrWhiteSpace(bucketName))
{
MessageBox.Show("请输入桶名称！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtGetBucketFiles.Focus();
return;
}
txtGetBucketFilesInfo.Text = "";
//检查是否存在桶
bool existBucket = await minio.BucketExistsAsync(bucketName);
if (existBucket)
{
//获取到的文件集合
var fileList = new List();
var observable = minio.ListObjectsAsync(bucketName);
observable.Subscribe(item =>
{
fileList.Add(item.Key);
}, ex =>
{
}, () =>
{
txtGetBucketFilesInfo.Text = string.Join("\r\n", fileList);
});
}
else
{
MessageBox.Show("桶名称" + bucketName + "不存在！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
#endregion
#region 公用方法
///
/// 设置桶的访问策略（读、写、读和写）
///
///
///
///
private async Task SetPolicyAsync(string bucketName, int policyType = 1)
{
//设置桶的访问权限（读、写、读和写）
var policyRead = "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Effect\":\"Allow\",\"Principal\":{\"AWS\":[\"*\"]},\"Action\":[\"s3:GetBucketLocation\"],\"Resource\":[\"arn:aws:s3:::BUCKETNAME\"]},{\"Effect\":\"Allow\",\"Principal\":{\"AWS\":[\"*\"]},\"Action\":[\"s3:ListBucket\"],\"Resource\":[\"arn:aws:s3:::BUCKETNAME\"],\"Condition\":{\"StringEquals\":{\"s3:prefix\":[\"BUCKETPREFIX\"]}}},{\"Effect\":\"Allow\",\"Principal\":{\"AWS\":[\"*\"]},\"Action\":[\"s3:GetObject\"],\"Resource\":[\"arn:aws:s3:::BUCKETNAME/BUCKETPREFIX*\"]}]}";
var policyWrite = "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Effect\":\"Allow\",\"Principal\":{\"AWS\":[\"*\"]},\"Action\":[\"s3:GetBucketLocation\",\"s3:ListBucketMultipartUploads\"],\"Resource\":[\"arn:aws:s3:::BUCKETNAME\"]},{\"Effect\":\"Allow\",\"Principal\":{\"AWS\":[\"*\"]},\"Action\":[\"s3:AbortMultipartUpload\",\"s3:DeleteObject\",\"s3:ListMultipartUploadParts\",\"s3:PutObject\"],\"Resource\":[\"arn:aws:s3:::BUCKETNAME/BUCKETPREFIX*\"]}]}";
var policyReadWrite = "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Effect\":\"Allow\",\"Principal\":{\"AWS\":[\"*\"]},\"Action\":[\"s3:GetBucketLocation\",\"s3:ListBucketMultipartUploads\"],\"Resource\":[\"arn:aws:s3:::BUCKETNAME\"]},{\"Effect\":\"Allow\",\"Principal\":{\"AWS\":[\"*\"]},\"Action\":[\"s3:ListBucket\"],\"Resource\":[\"arn:aws:s3:::BUCKETNAME\"],\"Condition\":{\"StringEquals\":{\"s3:prefix\":[\"BUCKETPREFIX\"]}}},{\"Effect\":\"Allow\",\"Principal\":{\"AWS\":[\"*\"]},\"Action\":[\"s3:PutObject\",\"s3:AbortMultipartUpload\",\"s3:DeleteObject\",\"s3:GetObject\",\"s3:ListMultipartUploadParts\"],\"Resource\":[\"arn:aws:s3:::BUCKETNAME/BUCKETPREFIX*\"]}]}";
var policySet = policyType == 1 ? policyRead :
policyType == 2 ? policyWrite : policyReadWrite;
await minio.SetPolicyAsync(bucketName, policySet.Replace("BUCKETNAME", bucketName).Replace("BUCKETPREFIX", "*.*"));
}
#endregion
}
}
