通過 CAML Query 獲取列表項

基本例子

使用 SP.CamlQuery 物件的 set_viewXml 方法指定用於檢索專案的 CAML 查詢。

SP.SOD.executeOrDelayUntilScriptLoaded(showListItems,"core.js");

function showListItems(){
    var clientContext = new SP.ClientContext();
    var list = clientContext.get_web().get_lists().getByTitle("List Title");
    var camlQuery = new SP.CamlQuery();
    camlQuery.set_viewXml(
        "<View><Query>" +
            "<Where>" +
                "<Eq><FieldRef Name=\"Title\"/><Value Type=\"Text\">Value</Value></Eq>" + 
            "</Where>" +
            "<OrderBy><FieldRef Name=\"Modified\" Ascending=\"FALSE\"/></OrderBy>" +
        "</Query>"+
        //"<RowLimit>5000</RowLimit>" +
        "</View>");
    var items = list.getItems(camlQuery);
    clientContext.load(items);
    clientContext.executeQueryAsync(function(){
        var itemArray = [];
        var itemEnumerator = items.getEnumerator();
        while(itemEnumerator.moveNext()){
            var item = itemEnumerator.get_current();
            var id = item.get_item("ID");
            var title = item.get_item("Title");
            itemArray.push(id + ": " + title);
        }
        alert("ID: Title\n"+itemArray.join("\n"));
    },function(sender,args){alert(args.get_message());});
}

分頁 CAML 查詢的結果

你可以利用 CAML 查詢中的 RowLimit 元素,僅檢索每個查詢的結果子集。

使用列表項集合的 get_listItemCollectionPosition 方法檢索當前位置,然後使用該值作為 SP.CamlQuery 物件的 set_listItemCollectionPosition 方法中的引數來檢索下一批結果。

SP.SOD.executeOrDelayUntilScriptLoaded(showListItems,"sp.js");

function showListItems(){
    var itemArray = [];
    var clientContext = new SP.ClientContext();
    var list = clientContext.get_web().get_lists().getByTitle("List Title");
    var viewXml = 
        "<View><Query>" +
            "<OrderBy><FieldRef Name=\"Modified\" Ascending=\"FALSE\"/></OrderBy>" +
        "</Query>"+
          "<RowLimit>1</RowLimit>" +
        "</View>";
    var camlQuery = new SP.CamlQuery();
    camlQuery.set_viewXml(viewXml);            
    var items = list.getItems(camlQuery);
    clientContext.load(items);
    clientContext.executeQueryAsync(loadResults,showError);

    function loadResults(){
        var resultsFound = false;            
        var itemEnumerator = items.getEnumerator();
        while(itemEnumerator.moveNext()){
            var item = itemEnumerator.get_current();
            var id = item.get_item("ID");
            var title = item.get_item("Title");
            itemArray.push(id + ": " + title);
        }
        var pos = items.get_listItemCollectionPosition();// <- get position
        if(pos !== null){ // <-- position is null when no more results are returned
            if(confirm("Results so far: \nID: Title\n"+itemArray.join("\n"))){
                camlQuery = new SP.CamlQuery();
                camlQuery.set_listItemCollectionPosition(pos);// <- set position for next batch
                camlQuery.set_viewXml(viewXml);            
                items = list.getItems(camlQuery);
                clientContext.load(items);
                clientContext.executeQueryAsync(loadResults,showError);
            }
        }else{
            alert("Total Results: \nID: Title\n"+itemArray.join("\n")); // <- display when no more results
        }
    }
    function showError(sender,args){
        alert(args.get_message());
    }
}