How to use JSP to display graphics on a webpage?

To display graphics on a JSP page, you can utilize the HTML5 canvas tag and JavaScript.

Firstly, create a canvas element in the JSP page to create a canvas.

<canvas id="myCanvas" width="500" height="500"></canvas>

Next, add JavaScript code to the JSP page to draw graphics.

<script>
  // 获取canvas元素
  var canvas = document.getElementById("myCanvas");
  var ctx = canvas.getContext("2d");

  // 绘制图形
  ctx.fillStyle = "red";  // 设置填充颜色
  ctx.fillRect(50, 50, 100, 100);  // 绘制一个矩形

  ctx.fillStyle = "blue";
  ctx.beginPath();
  ctx.arc(250, 250, 50, 0, 2 * Math.PI);  // 绘制一个圆形
  ctx.fill();
</script>

The code will draw a red rectangle and a blue circle on the JSP page.

Please note that the canvas drawing operations are done through JavaScript, so the above code should be placed in