Rest API 操作List Items

获取所有的List Items
function getItems(url) {
  $.ajax({
    url: url,
    type: "GET",
    headers: {
      "accept": "application/json;odata=verbose",
    },
    success: function(data) {
      //console.log(data);
	for(var i=0;i<data.d.results.length;i++){
	　　console.log(data.d.results[i].Number);
    　　}
      if (data.d.__next) {
        getItems(data.d.__next);
      }
    },
    error: function(jqxhr) {
      alert(jqxhr.responseText);
    }
  });
}
getItems(_spPageContextInfo.webAbsoluteUrl + "/_api/web/lists/getbytitle('Association')/items");

　删除所有的List Items:　(获取所有的list Items可以使用上面的方法)

function deleteItem(url,prm) {
$.ajax({
    url: _spPageContextInfo.webAbsoluteUrl + url,
    type: "DELETE",
    headers: {
        "accept": "application/json;odata=verbose",
        "X-RequestDigest": $("#__REQUESTDIGEST").val(),
        "If-Match": "*"
    },
    success: function (data) {
            console.log(prm);
    },
    error: function (error) {
        alert(JSON.stringify(error));
    }
});
}

$.ajax({
    url: _spPageContextInfo.webAbsoluteUrl + "/_api/web/lists/getByTitle('Association')/items?$filter=Number%20ne%20%27120%27&$top=2000",
    type: "GET",
    headers: {
        "accept": "application/json;odata=verbose",
    },
    success: function (data) {
        var items = data.d.results;
console.log(items.length);
        for(var i=0;i<items.length;i++){
            var url = "/_api/Web/Lists/getByTitle('Association')/getItemById("+items[i].ID+")";
            deleteItem(url,items[i].ID);
        }
    },
    error: function (error) {
        alert(JSON.stringify(error));
    }
});

删除单个：

function deleteListItem() {
	var id = $("#txtId").val();
	var siteUrl = _spPageContextInfo.webAbsoluteUrl;
	var fullUrl = siteUrl + "/_api/web/lists/GetByTitle('MyCompanyInfo')/items(" + id + ")";
	$.ajax({
		url: fullUrl,
		type: "POST",
		headers: {
			"accept": "application/json;odata=verbose",
			"content-type": "application/json;odata=verbose",
			"X-RequestDigest": $("#__REQUESTDIGEST").val(),
			"X-HTTP-Method": "DELETE",
			"IF-MATCH": "*"
		},
		success: onQuerySucceeded,
		error: onQueryFailed
	});
}
function onQuerySucceeded(sender, args) {
	$("#divResult").html("Item successfully deleted!");
}
function onQueryFailed() {
	alert('Error!');
}

　　

　添加List Items:

function addListItem() {
	var title = $("#txtTitle").val();
	var industry = $("#txtIndustry").val();
	var siteUrl = _spPageContextInfo.webAbsoluteUrl;
	var fullUrl = siteUrl + "/_api/web/lists/GetByTitle('MyAssociation')/items";
	var itemType = GetItemTypeForListName(listName);
	$.ajax({
		url: fullUrl,
		type: "POST",
		data: JSON.stringify({
			'__metadata': { 'type': itemType },//'SP.Data.MyAssociationListItem'
			'Title': title,
			'Industry': industry
		}),
		headers: {
			"accept": "application/json;odata=verbose",
			"content-type": "application/json;odata=verbose",
			"X-RequestDigest": $("#__REQUESTDIGEST").val()
		},
		success: onQuerySucceeded,
		error: onQueryFailed
	});
}
function onQuerySucceeded(sender, args) {
	$("#divResult").html("Item successfully added!");
}
function onQueryFailed() {
	alert('Error!');
}

// Get List Item Type metadata
function GetItemTypeForListName(name) {
    return "SP.Data." + name.charAt(0).toUpperCase() + name.split(" ").join("").slice(1) + "ListItem";
}

Update List Items:

ExecuteOrDelayUntilScriptLoaded(initializePage, "sp.js");
function initializePage() {  
    var siteURL;  
    var itemsArray = [];  
    // 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() {  
        var scriptbase = _spPageContextInfo.webServerRelativeUrl + "/_layouts/15/";  
        UpdateListItem();  
    });
}
//Retrieve list items from sharepoint using API 
function UpdateListItem() {  
	siteURL = _spPageContextInfo.webAbsoluteUrl;  
	console.log("from top nav - " + siteURL);  
	var apiPath = siteURL + "/_api/lists/getbytitle(''samplelist'')/items/getbyid(1)";  
	$.ajax({  
			url: apiPath,  
			type: "POST",  
			headers: {  
				Accept: "application/json;odata=verbose"  
			},  
			data: "{__metadata:{'type':'SP.Data.YourlistnameListItem'},Title:”Ur input "  
		}  
		",  
		async: false, success: function(data) {  
			alert("Item updated successfully");  
		}, eror: function(data) {  
			console.log("An error occurred. Please try again.");  
		}  
	});  
}

How to update List Item via SharePoint REST interface:

function updateJson(endpointUri,payload, success, error) 
{
    $.ajax({       
       url: endpointUri,   
       type: "POST",   
       data: JSON.stringify(payload),
       contentType: "application/json;odata=verbose",
       headers: { 
          "Accept": "application/json;odata=verbose",
          "X-RequestDigest" : $("#__REQUESTDIGEST").val(),
          "X-HTTP-Method": "MERGE",
           "If-Match": "*"
       },   
       success: success,
       error: error
    });
}

function getItemTypeForListName(name) {
    return"SP.Data." + name.charAt(0).toUpperCase() + name.slice(1) + "ListItem";
}

function updateListItem(webUrl,listTitle,listItemId,itemProperties,success,failure)
{
     var listItemUri =  webUrl + "/_api/web/lists/getbytitle('" + listTitle + "')/items(" + listItemId + ")";
     var itemPayload = {
       '__metadata': {'type': getItemTypeForListName(listTitle)}
     };
     for(var prop in itemProperties){
           itemPayload[prop] = itemProperties[prop];
     }
     updateJson(listItemUri,itemPayload,success,failure);
}

Usage:

var itemProperties = {'Title':'John Doe'};
updateListItem(_spPageContextInfo.webAbsoluteUrl,'Contacts',1,itemProperties,printInfo,logError);
function printInfo()
{
    console.log('Item has been created');
}
function logError(error){
    console.log(JSON.stringify(error));
}

　https://blogs.msdn.microsoft.com/uksharepoint/2013/02/22/manipulating-list-items-in-sharepoint-hosted-apps-using-the-rest-api/　

　

获取所有的List Items Count:

_spPageContextInfo.webAbsoluteUrl+" _api/web/lists/getByTitle('DepartProd')/itemcount"   //?$filter=AssignedTo/ID eq 2