SharePoint 2010中的客户端模型
1.介绍
客户端模型是SharePoint 2010才提供的,可以更灵活的在任何客户端设备中操作SharePoint对象,在2007版本中没有客户端模型,2010中有三种客户端模型JavaScript,SilverLight,.NET Managed。下面是对比情况:
2.原理
当我们使用客户端模型访问SharePoint 2010服务器对象的时候,请求首先会被打包成XML格式的SharePoint对象模型,然后在由客户端发送到服务器端,在服务器端调用服务器端的对象模型,。然后得到反应结果以JSON
格式发给客户端对象模型,客户端模型在解析得到的结果,展现给前端,如下图:
3.客户端模型对象
服务器端 | 客户端 | Javascript |
Microsoft.SharePoint.SPContext | Microsoft.SharePoint.Client.ClientContext | SP.ClientContext |
Microsoft.SharePoint.SPSite | Microsoft.SharePoint.Client.Site | SP.Site |
Microsoft.SharePoint.SPWeb | Microsoft.SharePoint.Client.Web | SP.Web |
Microsoft.SharePoint.SPList | Microsoft.SharePoint.Client.List | SP.List |
Microsoft.SharePoint.SPListItem | Microsoft.SharePoint.Client.ListItem | SP.ListItem |
Microsoft.SharePoint.SPField | Microsoft.SharePoint.Client.Field | SP.Field |
4.一些例子代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net;
namespace OM
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
Cursor old = this.Cursor;
this.Cursor = Cursors.WaitCursor;
Microsoft.SharePoint.Client.ClientContext clientContext = new Microsoft.SharePoint.Client.ClientContext("http://moss2010/sites/test");
NetworkCredential nwc = CredentialCache.DefaultNetworkCredentials;
clientContext.Credentials = nwc;
Microsoft.SharePoint.Client.Web web = clientContext.Web;
clientContext.Load(web);
clientContext.ExecuteQuery();
this.lblSiteTitle.Text = web.Title;
this.Cursor = old;
}
private void button2_Click(object sender, EventArgs e)
{
Cursor old = this.Cursor;
this.Cursor = Cursors.WaitCursor;
Microsoft.SharePoint.Client.ClientContext clientContext = new Microsoft.SharePoint.Client.ClientContext("http://moss2010/sites/test");
NetworkCredential nwc = CredentialCache.DefaultNetworkCredentials;
clientContext.Credentials = nwc;
Microsoft.SharePoint.Client.Web web = clientContext.Web;
var query = from list
in clientContext.Web.Lists
where list.Title == "SharePoint Team Members"
select list;
var result = clientContext.LoadQuery(query);
clientContext.ExecuteQuery();
Microsoft.SharePoint.Client.List listMember = result.SingleOrDefault<Microsoft.SharePoint.Client.List>();
Microsoft.SharePoint.Client.CamlQuery caml = new Microsoft.SharePoint.Client.CamlQuery();
caml.ViewXml = @"<View><Query></Query></View>";
Microsoft.SharePoint.Client.ListItemCollection listItems = listMember.GetItems(caml);
clientContext.Load(listItems);
clientContext.ExecuteQuery();
List<Employee> allDatas = new List<Employee>();
foreach (Microsoft.SharePoint.Client.ListItem item in listItems)
{
allDatas.Add(new Employee(item["Title"], item["Age"], item["Sex"]));
}
dataGridView1.DataSource = allDatas;
this.Cursor = old;
}
private void button3_Click(object sender, EventArgs e)
{
Microsoft.SharePoint.Client.ClientContext clientContext = new Microsoft.SharePoint.Client.ClientContext("http://moss2010/sites/test");
NetworkCredential nwc = CredentialCache.DefaultNetworkCredentials;
clientContext.Credentials = nwc;
Microsoft.SharePoint.Client.Web web = clientContext.Web;
var query = from list
in clientContext.Web.Lists
where list.Title == "SharePoint Team Members"
select list;
var result = clientContext.LoadQuery(query);
clientContext.ExecuteQuery();
Microsoft.SharePoint.Client.List listMember = result.SingleOrDefault<Microsoft.SharePoint.Client.List>();
Microsoft.SharePoint.Client.CamlQuery caml = new Microsoft.SharePoint.Client.CamlQuery();
caml.ViewXml = @"<View><Query><Where><Eq><FieldRef Name='Employee_x0020_Name' /><Value Type='Text'>" + tbxInput.Text + "</Value></Eq></Where></Query></View>";
Microsoft.SharePoint.Client.ListItemCollection listItems = listMember.GetItems(caml);
clientContext.Load(listItems);
clientContext.ExecuteQuery();
this.lblOutput.Text = listItems[0].FieldValues["Title"].ToString();
this.Cursor = old;
}
}
public class Employee
{
public Employee(object title, object age, object sex)
{
this.Age = age;
this.Sex = sex;
this.Title = title;
}
public object Title { get; set; }
public object Age { get; set; }
public object Sex { get; set; }
}
}
本文转自Justin博客园博客,原文链接:http://www.cnblogs.com/carysun/archive/2011/01/06/moss2010-clientmodel.html,如需转载请自行联系原作者
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