SharePoint客户端js对象模型

‘use strict‘;

var context = SP.ClientContext.get_current();
var user = context.get_web().get_currentUser();
var web;
(function () {

	// This code runs when the DOM is ready and creates a context object which is 
	// needed to use the SharePoint object model
	$(document).ready(function () {
		getUserName();
	});

	// This function prepares, loads, and then executes a SharePoint query to get 
	// the current users information
	function getUserName() {
		context.load(user);
		context.executeQueryAsync(onGetUserNameSuccess, onGetUserNameFail);
	}

	// This function is executed if the above call is successful
	// It replaces the contents of the ‘message‘ element with the user name
	function onGetUserNameSuccess() {
		$(‘#message‘).text(‘Hello ‘ + user.get_title());
	}

	// This function is executed if the above call fails
	function onGetUserNameFail(sender, args) {
		alert(‘Failed to get user name. Error:‘ + args.get_message());
	}
   sharePointReady();
})();
var hostUrl;
    function getParameterByName(name)  
    {  
      name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");  
	 
      var regexS = "[\\?&]" + name + "=([^&#]*)"; 
	  alert(regexS);
      var regex = new RegExp(regexS);  
      var results = regex.exec(window.location.search);  
      if(results === null)  
        return "";  
      else  
        return decodeURIComponent(results[1].replace(/\+/g, " "));  
    }  
	function sharePointReady(){
		context=new SP.ClientContext.get_current();
		web=context.get_web();
		hostUrl=getParameterByName(‘SPHostUrl‘);
		alert(window.location.search+":"+hostUrl)
		//createList();
	    //createItems();
		//updateListItem();
		//getItems();
		//deleteItems();
	}
	function deleteItems(){
		var listContext=new SP.AppContextSite(context,hostUrl);
		var list=listContext.get_web().get_lists().getByTitle(‘My Sample List‘);
		var listItem=list.getItemById(3);
		listItem.deleteObject();
		//listItem.update();//列已经不存在，加了出错
		context.executeQueryAsync(function(){
			alert(‘Delete Succeful!‘)
		},function(sender,args){
			
			alert(args.get_message());
		});
	}
	var items;
	function getItems(){
		var listContext=new SP.AppContextSite(context,hostUrl);
		var list=listContext.get_web().get_lists().getByTitle(‘My Sample List‘);
		var camlQuery=new SP.CamlQuery();
		var query="<View><Query><Where><Eq><FieldRef Name=‘Title‘/><Value Type=‘Text‘>创建5</Value></Eq></Where></Query><RowLimit>5</RowLimit></View>";
		//var query="<View><ViewFields><FieldRef Name=‘Title‘ /></ViewFields><Query><Where><Eq><FieldRef Name=‘Title‘ /><Value Type=‘Text‘>创建5</Value></Eq></Where></Query></View>";
		camlQuery.set_viewXml(query);
		items=list.getItems(camlQuery);
		context.load(items);
		
		
		context.executeQueryAsync(onGetListItemsSuccess,onFailed);
	}
	function onGetListItemsSuccess(){
		var listItemEnumerator = items.getEnumerator();

        while (listItemEnumerator.moveNext()) {
            var oListItem = listItemEnumerator.get_current();
            alert(oListItem.get_item(‘Title‘));
        }
		
		
		
	}
	
	function updateListItem(){
		var listContext=new SP.AppContextSite(context,hostUrl);
		var list=listContext.get_web().get_lists().getByTitle(‘My Sample List‘);
		var listItem=list.getItemById(1);
		listItem.set_item(‘Title‘,‘我的第一次更新‘);
		listItem.update();
		
		context.executeQueryAsync(onCreateListItemsSuccess,onFailed);
	}
	var newList;
	function createList(){//新建列表
		var hostContext=new SP.AppContextSite(context,hostUrl);
		web=hostContext.get_web();
		var newListInfo=new SP.ListCreationInformation();
		newListInfo.set_title(‘My Sample List‘);
		newListInfo.set_templateType(SP.ListTemplateType.genericList);
		newList=web.get_lists().add(newListInfo);
		context.load(newList);
		context.executeQueryAsync(onCreateListSucceeded,onFailed);
	}
	function createItems(){//新建数据
		var listContext=new SP.AppContextSite(context,hostUrl);
		var list=listContext.get_web().get_lists().getByTitle("My Sample List");
		for(var i=0;i<10;i++){
			var itemCreateInfo=new SP.ListItemCreationInformation();
			var newListItem=list.addItem(itemCreateInfo);
			newListItem.set_item("Title",‘创建‘+i);
			newListItem.update();
			context.load(newListItem);
		}
		context.executeQueryAsync(onCreateListItemsSuccess,onFailed);
	}
	function onCreateListItemsSuccess(){
		alert(‘New ListItems created‘);
	}
	function onCreateListSucceeded(){
		alert(‘New List create哈哈‘+newList.get_title());
	}
	function onFailed(sender,args){
		alert(‘Failed.Error‘+args.get_message());
	}