Question

I have a document where I need to find a text or word, each time i run a function the selection has to go to next if a word or text is found. If it is at the end it should take me to top in a circular way just like find option in notepad.

Is there a way to do it?

I know about findText(searchPattern, from) but I do not understand how to use it.

Answer 1

DocumentApp中有几个包装器和类。它们有助于处理文件的内容。

有必要仔细了解他们的责任。在您的情况下，下面的代码应该可以正常工作：

function myFunctionDoc() {

    // sets the search pattern
    var searchPattern = '29';

    // works with current document 
    var document = DocumentApp.getActiveDocument();

    // detects selection
    var selection = document.getSelection();

    if (!selection) {
        if (!document.getCursor()) return;
        selection = document.setSelection(document.newRange().addElement(document.getCursor().getElement()).build()).getSelection();
    }
    selection = selection.getRangeElements()[0];

    // searches
    var currentDocument = findNext(document, searchPattern, selection, function(rangeElement) {
        // This is the callback body
        var doc = this;
        var rangeBuilder = doc.newRange();
        if (rangeElement) {
            rangeBuilder.addElement(rangeElement.getElement());
        } else {
            rangeBuilder.addElement(doc.getBody().asText(), 0, 0);
        }
        return doc.setSelection(rangeBuilder.build());
    }.bind(document));

}

// the search engine is implemented on body.findText
function findNext(document, searchPattern, from, callback) {
    var body = document.getBody();
    var rangeElement = body.findText(searchPattern, from);
    return callback(rangeElement);
}

寻找模式。如果body.findText返回undefined，则会在文档顶部设置。

我对主题https://gist.github.com/oshliaer/d468759b3587cfb424348fa722765187

有一个要点

How to make a closed search in Google Docs?

1 个答案: