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@@ -9,6 +9,9 @@ using System.Collections;
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using LitJson;
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using System.Globalization;
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using System.Web;
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+using System.Security.Cryptography;
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+using System.Text;
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+using Aliyun.OSS;
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namespace MySystem.Areas.Api.Controllers
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{
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@@ -44,6 +47,41 @@ namespace MySystem.Areas.Api.Controllers
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}
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#endregion
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+
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+ #region 前端上传oss返回参数
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+ public JsonResult OssInfo()
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+ {
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+ Dictionary<string, object> Obj = new Dictionary<string, object>();
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+ var OssUrl = OssHost;
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+ var AccessKeyId = OssKey;
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+ var AccessKeySecret = OssSecret;
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+
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+ var dir = DateTime.Now.ToString("yyyyMMdd") + "/"; //上传目录
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+ // 构造OssClient实例。 endpoint 格式:https://oss-cn-beijing.aliyuncs.com
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+ var ossClient = new OssClient(OssUrl, AccessKeyId, AccessKeySecret);
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+ var config = new PolicyConditions();
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+ config.AddConditionItem(PolicyConditions.CondContentLengthRange, 1, 1024L * 1024 * 1024 * 5);// 文件大小范围：单位byte
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+ config.AddConditionItem(PolicyConditions.CondSuccessActionStatus, "200");
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+ config.AddConditionItem(MatchMode.StartWith, PolicyConditions.CondKey, dir);
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+ var expire = DateTimeOffset.Now.AddMinutes(30);// 过期时间
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+ // 生成 Policy，并进行 Base64 编码
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+ var policy = ossClient.GeneratePostPolicy(expire.LocalDateTime, config);
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+ var policyBase64 = Convert.ToBase64String(Encoding.UTF8.GetBytes(policy));
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+ // 计算签名
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+ var hmac = new HMACSHA1(Encoding.UTF8.GetBytes(AccessKeySecret));
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+ var bytes = hmac.ComputeHash(Encoding.UTF8.GetBytes(policyBase64));
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+ var Signature = Convert.ToBase64String(bytes);
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+
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+ Obj.Add("OssUrl", OssUrl);
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+ Obj.Add("AccessKeyId", AccessKeyId);
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+ Obj.Add("AccessKeySecret", AccessKeySecret);
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+ Obj.Add("Policy", policyBase64);
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+ Obj.Add("Expiration", expire);
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+ Obj.Add("Signature", Signature);
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+ return Json(new AppResultJson() { Status = "1", Info = "", Data = Obj });
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+ }
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+ #endregion
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+
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#region 编辑器上传图片
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