问Office.js获取与内容控件相邻的范围

EN

async function
    getAdjacentRange() {
    await Word.run(async (context) => {

        var ccs = context.document.contentControls;
        ccs.load("items");
        await context.sync();
        console.log("Nr cc: " + ccs.items.length);
        let cc = ccs.items[0];

        //The starting point of the content control so that 
        //the range can be extended backwards          
        let ccRange = cc.getRange("Start");
        let ccParas = ccRange.paragraphs; cc.load("text,range,paragraphs");
        let ccPara = ccParas.getFirst();
        ccParas.load("items")

    //The content control must be in a paragraph: get that paragraph's
    //starting point so that the range can be extended in that direction
        let paraRange = ccPara.getRange("Start");
        let rng = paraRange.expandTo(ccRange);
   //Get the words in the range of the start of the paragraph to the 
   //start of the content control in order to get the last one before the content control
        let em = [" "];
        let words = rng.getTextRanges(em, true);
        words.load("items");
        await context.sync();
        let nrWords = words.items.length;

      //minus 2 to get second to last word since last word is directly adjacent to content control (no space)
        let lastWord = words.items[nrWords - 2];

        //Now get the content from the end of the second to last word to
        //the start of the content control, which will be the last word
        let word2BeforeCC = lastWord.getRange("End");
        let wordBeforeCC = word2BeforeCC.expandTo(ccRange);
        wordBeforeCC.load("text");
        await context.sync();
        console.log(cc.text + "/ Word before the content control: " + wordBeforeCC.text + " / nr Words: " + nrWords);
})
    }

async function
    getAdjacentRange() {
    await Word.run(async (context) => {
        var ccs = context.document.contentControls;
        ccs.load("items");
        await context.sync();

        let cc = ccs.getFirstOrNullObject();

        //The starting point of the content control so that 
        //the range can be extended backwards
        let ccRange = cc.getRange("Start");

        //The content control must be in a paragraph, so get that paragraph's
        //starting point so that the range can be extended in that direction
        let ccParas = ccRange.paragraphs; cc.load("text,range,paragraphs");
        let ccPara = ccParas.getFirst();
        ccParas.load("items")
        let paraRange = ccPara.getRange("Start");
        let rng = paraRange.expandTo(ccRange);

        //Now it's possible to get the last word in the extended range
        let em = [" "];
        console.log(em.length.toString());
        let words = rng.getTextRanges(em, true);
        words.load("items");
        await context.sync();
        let nrWords = words.items.length;
        //returns a Range object, from which you can get the style info
        let lastWord = words.items[nrWords - 1];

        await context.sync();
        console.log(cc.text + "/" + "nr Words: " + nrWords + "last word: " + lastWord.text);
})
    }