【已解决】Additional information: Proxy XmlRpcUrl attribute or Url property not set和error CS0592: Attribute ‘XmlRpcUrl’ is not valid on this declaration type

【问题】

在折腾C#中实现metaWeblog的getPost方法，写了测试代码：

class openPost : XmlRpcClientProtocol
{
    [XmlRpcMethod("metaWeblog.getPost")]
    //http://xmlrpc.scripting.com/metaWeblogApi.html
    //metaWeblog.getPost (postid, username, password) returns struct
    //The blogid, username, password and publish params are as in the Blogger API. newPost returns a string representation of the post id, again as defined by the Blogger API. The struct is where the juice is.
    public string getPost(string postid, string username, string password)
    {
        return (string)this.Invoke("getPost", new object[] { postid, username, password });
    }
}

运行出错：

An unhandled exception of type ‘CookComputing.XmlRpc.XmlRpcMissingUrl’ occurred in CookComputing.XmlRpcV2.dll

Additional information: Proxy XmlRpcUrl attribute or Url property not set.

【解决过程】

1.明显是缺少了XmlRpcUrl的设置。

所以就去添加了对应的设置：

但是编译的时候又出错：

2.网上找了半天，看到这里：

MetaWeblogAPI C# Code Sample

然后就修改了对应代码，经过一番折腾，用如下代码：

using System;
using System.Collections.Generic;
using System.Text;
using CookComputing.XmlRpc;

namespace OpenPostViaPermaLink
{
    [XmlRpcUrl("https://www.crifan.com/xmlrpc.php")]
    class CrifanMetaWeblog : XmlRpcClientProtocol
    {
        [XmlRpcMethod("metaWeblog.getPost")]
        //http://xmlrpc.scripting.com/metaWeblogApi.html
        //metaWeblog.newPost (blogid, username, password, struct, publish) returns string
        //metaWeblog.editPost (postid, username, password, struct, publish) returns true
        //metaWeblog.getPost (postid, username, password) returns struct
        //The blogid, username, password and publish params are as in the Blogger API. newPost returns a string representation of the post id, again as defined by the Blogger API. The struct is where the juice is.
        public Object getPost(string postid, string username, string password)
        {
            Object retInfo = null;
            retInfo = this.Invoke("getPost", new object[] { postid, username, password });
            return retInfo;
        }
    }   
}

// calling function
void xmlRpcTest()
{
    CrifanMetaWeblog crifanBlog = new CrifanMetaWeblog();

    string postid = "7064";
    string username = "yourname";
    string password = "yourpassword";
    Object retPostInfo = crifanBlog.getPost(postid, username, password);
}

最后可以成功获得对应帖子的信息了

剩下的，就可以一点点实现其他所需要的功能了，包括editPost，newPost等。

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