如何使用 JSOM 更改 SharePoint 在线列表的列类型？

Question

我想使用 JSOM 更改列表的列类型。 “Billable”列的类型是布尔值，我需要将列的类型更改为“单行文本”。

有什么方法可以改变列的类型吗？

代码如下：

var oFields, clientContext;
function UpdateListField() {
    // You can optionally specify the Site URL here to get the context
    // If you don't specify the URL, the method will get the context of the current site
    // var clientContext = new SP.ClientContext("http://MyServer/sites/SiteCollection");
    clientContext = new SP.ClientContext(appUrl);

    var web = LawApp.Repositories.getWeb(clientContext, hostUrl);

    var olistCollection = web.get_lists();

    var oList = olistCollection.getByTitle("ODMatter");

    oFields = oList.get_fields();

    clientContext.load(oFields);

    // Execute the query to the server.
    clientContext.executeQueryAsync(onsuccess, onfailed);
}

function onsuccess() {

    // Iterate through Enumerator
    var oEnumerator = oFields.getEnumerator();

    while (oEnumerator.moveNext()) {
        var oField = oEnumerator.get_current();

        // Enter the field name here
        if (oField.get_title() == "Billable") {
            oField.FieldType("text");
            oField.update();
            break;
        }
    }

    // Execute the query to the server.
    clientContext.executeQueryAsync(FinalQuerySuccess, FinalQueryFailure);

}

function onfailed(sender, args) {
    console.log('Failed' + args.get_message() + '\n' + args.get_stackTrace());
}

function FinalQuerySuccess(sender, args) {
    updateCurrentVersion();
    console.log('Success');
}

function FinalQueryFailure(sender, args) {
    console.log('Failed' + args.get_message() + '\n' + args.get_stackTrace());
}

Answer 1

需要使用SP.Field.set_typeAsString()方法来改变列类型，下面是我的例子：

var list = web.get_lists().getByTitle("Mylist");
field = list.get_fields().getByInternalNameOrTitle("Billable");   
field.set_typeAsString("Text");
field.update();

参考：https://docs.microsoft.com/en-us/previous-versions/office/sharepoint-visio/jj245910(v=office.15)

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