如何在“pdfmake”javascript库中设置水印的字体大小

我正在使用angular js生成pdf

根据动态文本，我正在尝试减少/设置相同字体大小的水印应以pdf格式显示

我试过下面的配置

也试过如下

var dd = {
    content: [
        'First paragraph',
        'Another paragraph, this time a little bit longer to make sure, this line will be divided into at least two lines'
    ],
    watermark:{
        text:"Niklesh Raut",
        styles: {
           fontSize: 22,
           bold: true
        }

    }

}

但是没有运气

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问题：如何设置/减少水印的字体大小

Hi在以下样本中找到

PDF使水印适合页面，即使字符长度为1，也要添加空格，以使单词具有固定长度，代码如下

var星=''； var name=Niklesh Raut； var center=parseIntstars.length/2-parseIntname.length/2； var starsArr=stars.split； var nameArr=name.split； forlet i=0；我

var dd = {
    content: [
        'First paragraph',
        'Another paragraph, this time a little bit longer to make sure, this line will be divided into at least two lines'
    ],
    watermark:{
        text:"Niklesh Raut",
        styles: {
           fontSize: 22,
           bold: true
        }

    }

}

    var docDefinition = {
              header: function() {
                    return [
                        {
                            style: 'table',
                            margin: [62,35,62,35],
                            table: {
                                widths: ['*', '*'],
                                headerRows: 0,
                                body: [
                                    [
                                        {text: 'Booking Summary', style: 'topHeader', alignment: 'left'},
                                        {
                                            'base64-image-string-goes-here',
                                            width: 150,
                                            alignment: 'right'
                                        }
                                    ]
                                ]
                            },
                            layout: 'noBorders'
                        }
                    ]
                },
                footer: function(currentPage, pageCount) { 
                    return [
                        {text: currentPage.toString() + ' of ' + pageCount, alignment: 'center', style: 'footer'}
                    ]
                },
                content: [],
                pageSize: 'A4',
                pageMargins: [62,80,62,80],
                styles: {
                    topHeader: {
                        fontSize: 20,
                        bold: true,
                        margin: [0, 6, 0, 30],
                        alignment: 'left'
                    },
                    table: {
                        fontSize: 8,
                        alignment: 'left',
                        color: 'black',
                        margin: [0, 5, 0, 15]
                    },
                    header: {       
                        fontSize: 16,
                        bold: true,
                        margin: [0, 10, 0, 15],
                        alignment: 'left'
                    },
                    footer: {
                        fontSize: 8,
                        margin: [0, 25, 0, 17],
                        alignment: 'center'
                    }
                }
            };
          pdfMake.createPdf(docDefinition).download();
    };