Dynamics CRM邮件附件,你真的了解吗?



static void Main(string[] args)
{
var service = GetOrganizationService();
var fetchXML = string.Format(@"<fetch mapping='logical' output-format='xml-platform' version='1.0' distinct='false' no-lock='true' count='1'>
<entity name='email'>
<attribute name='subject' />
<attribute name='regardingobjectid' />
<attribute name='from' />
<attribute name='to' />
<attribute name='statuscode' />
<attribute name='activityid' />
<filter type='and'>
<condition value='微软MVP罗勇测试附件的邮件主题' attribute='subject' operator='eq' />
</filter>
</entity>
</fetch>");
EntityCollection ec = service.RetrieveMultiple(new FetchExpression(fetchXML));
if (ec.Entities.Count == )
{
Console.WriteLine("邮件的ID是" + ec.Entities[].GetAttributeValue<Guid>("activityid") + "下面是附件信息:");
QueryExpression query = new QueryExpression
{
EntityName = "activitymimeattachment",
ColumnSet = new ColumnSet("filename","subject","filesize","mimetype","activityid","activitymimeattachmentid","body"),
Criteria =
{
FilterOperator = LogicalOperator.And,
Conditions =
{
new ConditionExpression
{
AttributeName = "objecttypecode",
Operator = ConditionOperator.Equal,
Values = {"email"}
},
new ConditionExpression
{
AttributeName = "objectid",
Operator = ConditionOperator.Equal,
Values = {ec.Entities[].GetAttributeValue<Guid>("activityid")}
}
}
}
};
var i = ;
foreach (var entity in service.RetrieveMultiple(query).Entities)
{
Console.WriteLine("第" + i + "个附件:");
Console.WriteLine("filename:" + entity.GetAttributeValue<string>("filename"));
Console.WriteLine("filesize:" + entity.GetAttributeValue<int>("filesize"));
Console.WriteLine("mimetype:" + entity.GetAttributeValue<string>("mimetype"));
Console.WriteLine("subject:" + entity.GetAttributeValue<string>("subject"));
Console.WriteLine("activityid:" + entity.GetAttributeValue<EntityReference>("activityid").Id);
Console.WriteLine("activitymimeattachmentid:" + entity.GetAttributeValue<Guid>("activitymimeattachmentid"));
Console.WriteLine("body:" + entity.GetAttributeValue<string>("body"));
Console.WriteLine("--------------------------------------------------"); i++;
}
}
Console.WriteLine("程序运行完成!");
Console.ReadKey();
}
运行结果如下,可以得知filesize应该是以字节为单位的,附件的内容应该是以base64编码后存储等等信息:


static void Main(string[] args)
{
var service = GetOrganizationService();
var fetchXML = string.Format(@"<fetch mapping='logical' output-format='xml-platform' version='1.0' distinct='false' no-lock='true' count='1'>
<entity name='email'>
<attribute name='subject' />
<attribute name='regardingobjectid' />
<attribute name='from' />
<attribute name='to' />
<attribute name='statuscode' />
<attribute name='activityid' />
<filter type='and'>
<condition value='微软MVP罗勇测试附件的邮件主题' attribute='subject' operator='eq' />
</filter>
</entity>
</fetch>");
EntityCollection ec = service.RetrieveMultiple(new FetchExpression(fetchXML));
if (ec.Entities.Count == )
{
Console.WriteLine("邮件的ID是" + ec.Entities[].GetAttributeValue<Guid>("activityid") + "下面是附件信息:");
QueryExpression query = new QueryExpression
{
EntityName = "activitymimeattachment",
ColumnSet = new ColumnSet("filename","subject","filesize","mimetype","activityid","activitymimeattachmentid"),
Criteria =
{
FilterOperator = LogicalOperator.And,
Conditions =
{
new ConditionExpression
{
AttributeName = "activityid",
Operator = ConditionOperator.Equal,
Values = {ec.Entities[].GetAttributeValue<Guid>("activityid")}
}
}
}
};
var i = ;
foreach (var entity in service.RetrieveMultiple(query).Entities)
{
Console.WriteLine("第" + i + "个附件:");
Console.WriteLine("filename:" + entity.GetAttributeValue<string>("filename"));
Console.WriteLine("filesize:" + entity.GetAttributeValue<int>("filesize"));
Console.WriteLine("mimetype:" + entity.GetAttributeValue<string>("mimetype"));
Console.WriteLine("subject:" + entity.GetAttributeValue<string>("subject"));
Console.WriteLine("activityid:" + entity.GetAttributeValue<EntityReference>("activityid").Id);
Console.WriteLine("activitymimeattachmentid:" + entity.GetAttributeValue<Guid>("activitymimeattachmentid"));
Console.WriteLine("--------------------------------------------------");
i++;
}
}
Console.WriteLine("程序运行完成!");
Console.ReadKey();
}
static void Main(string[] args)
{
var service = GetOrganizationService();
WhoAmIRequest whoAmIRequest = new WhoAmIRequest();
WhoAmIResponse whoAmIResponse = service.Execute(whoAmIRequest) as WhoAmIResponse;
Entity fromEntity = new Entity("activityparty");
fromEntity["partyid"] = new EntityReference("systemuser", whoAmIResponse.UserId);
Entity toEntity = new Entity("activityparty");
toEntity["partyid"] = new EntityReference("account", new Guid("858AB47F-494A-E511-80D2-000D3A802FAC"));
Entity emailEntity = new Entity("email");
emailEntity["to"] = new Entity[] { toEntity };
emailEntity["from"] = new Entity[] { fromEntity };
emailEntity["subject"] = "微软MVP罗勇测试邮件使用现有附件";
emailEntity["description"] = "<a href='http://sugege.top'>素格格新疆特产店</a>";
var emailId = service.Create(emailEntity);
var activityMimeAttachment = new Entity("activitymimeattachment");
activityMimeAttachment["objectid"] = new EntityReference("email",emailId);
activityMimeAttachment["objecttypecode"] = "email";
activityMimeAttachment["filename"] = "sugege.png";//不设置这个字段的值,附件不会显示文件名
activityMimeAttachment["filesize"] = ;//设置了这个字段的值,附件也不会显示文件大小(字节),囧
activityMimeAttachment["attachmentid"] = new Guid("b8ef5a55-1872-e511-80e6-000d3a804b9b");//该字段不能使用new EntityReference类型来赋值
service.Create(activityMimeAttachment);
Console.WriteLine("程序运行完成!");
Console.ReadKey();
}

但是我如果查询这个邮件的附件信息会发现有点儿不同,比如filesize为0,mimetype为空值,囧。

static void Main(string[] args)
{
var service = GetOrganizationService();
WhoAmIRequest whoAmIRequest = new WhoAmIRequest();
WhoAmIResponse whoAmIResponse = service.Execute(whoAmIRequest) as WhoAmIResponse;
Entity fromEntity = new Entity("activityparty");
fromEntity["partyid"] = new EntityReference("systemuser", whoAmIResponse.UserId);
Entity toEntity = new Entity("activityparty");
toEntity["partyid"] = new EntityReference("account", new Guid("858AB47F-494A-E511-80D2-000D3A802FAC"));
Entity emailEntity = new Entity("email");
emailEntity["to"] = new Entity[] { toEntity };
emailEntity["from"] = new Entity[] { fromEntity };
emailEntity["subject"] = "微软MVP罗勇测试邮件使用新附件";
emailEntity["description"] = "<a href='http://sugege.top'>素格格新疆特产店</a>";
var emailId = service.Create(emailEntity);
var activityMimeAttachment = new Entity("activitymimeattachment");
activityMimeAttachment["objectid"] = new EntityReference("email", emailId);
activityMimeAttachment["objecttypecode"] = "email";
activityMimeAttachment["subject"] = "附件示例";
activityMimeAttachment["filename"] = "mvpluoyong.txt";//不设置这个字段的值,附件不会显示文件名
activityMimeAttachment["body"] = System.Convert.ToBase64String(new UTF8Encoding().GetBytes(@"微软MVP罗勇测试邮件使用新附件"));
service.Create(activityMimeAttachment);
Console.WriteLine("程序运行完成!");
Console.ReadKey();
}


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