开发-插件留言显示:留言板是整个系统第
个可以和用户交互插件
插件实现了登录用户留言系统从数据库获取功能
首先看服务器提供
数据功能:/// <summary>
/// 获取留言总条数
/// </summary>
/// <
s>留言条数</s>
[OperationContract]
public 
GetNotesCount
{
NotesBLL bll = 
NotesBLL;
bll.GetNotesCount;
}
/// <summary>
/// 获取指定页码和大小留言
/// </summary>
/// <param name="pageNumber">页码</param>
/// <param name="pageSize">大小</param>
/// <s>留言</s>
[OperationContract]
public List<NotesInfo> GetNotesByPage( pageNumber, pageSize)
{
NotesBLL bll = NotesBLL;
bll.GetNotesByPage(pageNumber,pageSize);
}下面看看客户端
代码:整个客户单和显示有关
有3个对象；NotesItem:显示
留言项；留言项基本就是
个XAML界面每条留言需要显示内容NotesPage:显示
留言页；容纳留言项
界面没有更多代码NotesMain.xaml:显示
留言主界面；这是整个插件
核心部分实现了读取数据生成数据项显示翻页等等功能1:实现IPlugIn接口
这个是每个插件都要实现功能；2:获取整个留言
页数为分页显示最准备下面是代码:private void DataCount
{
Uri uri = 
.Windows.Browser.HtmlPage.Document.DocumentUri;
host = uri.AbsoluteUri;
host = host.Sub(0, host.Length - uri.LocalPath.Length);
servicePath = "/Services/WSNotes.svc";
serviceUri = host + servicePath;
//
WSNotesClient ws = WSNotesClient( .ServiceModel.BasicHttpBinding, .ServiceModel.EndpoAddress(serviceUri));
ws.GetNotesCountCompleted 
(o, ev) =>
{
(ev.Error 
null)
{
tmpCount = ev.Result / PageSize;
(tmpCount * PageSize ev.Result)
{
PageCount = tmpCount;
}
{
PageCount = tmpCount + 1;
}
this.txtPageCount.Text = "/" + PageCount;
//
DataLoad(1);
}
};
ws.GetNotesCountAsync;
}3:显示指定页码
内容://
Uri uri = .Windows.Browser.HtmlPage.Document.DocumentUri;
host = uri.AbsoluteUri;
host = host.Sub(0, host.Length - uri.LocalPath.Length);
servicePath = "/Services/WSNotes.svc";
serviceUri = host + servicePath;
//
WSNotesClient ws = WSNotesClient( .ServiceModel.BasicHttpBinding, .ServiceModel.EndpoAddress(serviceUri));
ws.GetNotesByPageCompleted (o, e) =>
{
(e.Error null)
{
ObservableCollection<NotesInfo> notesInfo = e.Result;
itemCount = notesInfo.Count;
NotesPage page = NotesPage;
for ( iItem = 0; iItem < itemCount; iItem
)
{
NotesItem item = NotesItem;
Thickness thicknessi = Thickness;
thicknessi.Top = 5;
thicknessi.Bottom = 5;
item.Margin = thicknessi;
item.notesTitle.Text = notesInfo[iItem].Title;
item.notesText.Text = notesInfo[iItem].Content;
item.AuthorName.Text = notesInfo[iItem].UserName;
item.AuthorImage.Source = ResourceHelper.GetBitmap("Resources/Images/self.png", this.GetType.Namespace);
page.panelPageItem.Children.Add(item);
}
Thickness thickness = Thickness;
thickness.Top = 10;
thickness.Bottom = 10;
page.Margin = thickness;
page.PageFooter.Text = pageNumber.
;
this.txtPageNumber.Text = pageNumber.;
this.panelPages.Children.Clear;
this.panelPages.Children.Add(page);
}
//如果在xaml界面直接使用这两个属性
运行就会报错
//在这个地方设定没有
ScrollPages.SetValue(Grid.RowProperty, 1);
ScrollPages.SetValue(Grid.ColumnProperty, 1);
};
ws.GetNotesByPageAsync(pageNumber,PageSize);4:控制翻页
状态 tag = ((Button)sender).Tag.;
(tag "First")
{
PageNumber = 1;
}
(tag "Prview")
{
PageNumber = PageNumber - 1; ;
}
(tag "Next")
{
PageNumber = PageNumber + 1; ;
}
(tag "Last")
{
PageNumber = PageCount;
}
(tag "Goto")
{
tmp=PageNumber;
(.TryParse(this.txtPageNumber.Text, out tmp))
{
PageNumber = tmp;
}
{
MessageBox.Show("你输入页码不是整数请重新输入","提示",MessageBoxButton.OK);
}
}
DataLoad(PageNumber);至此
整个留言显示完成,如果用户需要留言请先注册登陆下个Blog写如何填写留言演示地址:www.cuface.cn
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