Java生成表格图片的实例代码

时间:2022-04-23 17:42:38

主要代码:

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/**
 * 生成图片
             * @param cellsValue 以二维数组形式存放 表格里面的值
             * @param path 文件保存路径
             */
            public void myGraphicsGeneration(String cellsValue[][], String path) {
                // 字体大小
                int fontTitileSize = 15;
                // 横线的行数
                int totalrow = cellsValue.length+1;
                // 竖线的行数
                int totalcol = 0;
                if (cellsValue[0] != null) {
                    totalcol = cellsValue[0].length;
                }
                // 图片宽度
                int imageWidth = 1024;
                // 行高
                int rowheight = 40;
                // 图片高度
                int imageHeight = totalrow*rowheight+50;
                // 起始高度
                int startHeight = 10;
                // 起始宽度
                int startWidth = 10;
                // 单元格宽度
                int colwidth = (int)((imageWidth-20)/totalcol);
                BufferedImage image = new BufferedImage(imageWidth, imageHeight,BufferedImage.TYPE_INT_RGB);
                Graphics graphics = image.getGraphics();
                graphics.setColor(Color.WHITE);
                graphics.fillRect(0,0, imageWidth, imageHeight);
                graphics.setColor(new Color(220,240,240));
                
                //画横线
                for(int j=0;j<totalrow; j++){
                    graphics.setColor(Color.black);
                    graphics.drawLine(startWidth, startHeight+(j+1)*rowheight, startWidth+colwidth*totalcol, startHeight+(j+1)*rowheight);
                }
                //画竖线
                for(int k=0;k<totalcol+1;k++){
                    graphics.setColor(Color.black);
                    graphics.drawLine(startWidth+k*colwidth, startHeight+rowheight, startWidth+k*colwidth, startHeight+rowheight*totalrow);
                }
                //设置字体
                Font font = new Font("微软雅黑",Font.BOLD,fontTitileSize);
                graphics.setFont(font);
                //写标题
                String id="codetool">

测试代码:

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public static void main(String[] args) {
                DrawTableImg cg = new DrawTableImg();
                try {
                    String tableData1[][] = {{"8月31日","累计用户数","目标值","完成进度","时间进度", "进度差异"}, {"掌厅客户端(户)","469281","1500000","31.2%","33.6%", "-2.4%"}};
                    String[][] tableData2 = {{"8月31日(户)","新增用户数","日访问量","累计用户数","环比上月"},
                    {"合肥和巢湖","469281","1500000","31.2%","33.6%"},
                    {"芜湖","469281","1500000","31.2%","33.6%"},
                    {"蚌埠","469281","1500000","31.2%","33.6%"},
                    {"淮南","469281","1500000","31.2%","33.6%"},
                    {"马鞍山","469281","1500000","31.2%","33.6%"},
                    {"淮北","469281","1500000","31.2%","33.6%"}};
                    cg.myGraphicsGeneration(tableData2, "c:\\myPic.jpg");
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }

效果图

Java生成表格图片的实例代码

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原文链接:https://cloud.tencent.com/developer/article/1640055

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