XSToolBox/屏幕测试.html at master · yxcqr/XSToolBox · GitHub

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<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
  <title>屏幕测试</title>
</head>
<body>
  <h1>屏幕测试</h1>

  <div id="screen"></div>

  <script>
    const screen = document.getElementById("screen");
    let step = 0;

    function goBack() {
      if (step > 0) {
        step--;
        updateScreen();
      }
    }

    function exitTest() {
      step = -1;
      updateScreen();
    }

    function updateScreen() {
      const colors = ["red", "green", "blue", "yellow", "cyan", "magenta"];
      const color = colors[step % colors.length];

      if (step === -1) {
        screen.style.backgroundColor = "white";
        screen.innerHTML = "<h2>测试结束</h2>";
      } else {
        screen.style.backgroundColor = color;
        screen.innerHTML = "<h2>步骤 " + (step + 1) + "</h2>"
      }
    }

    document.addEventListener("keydown", function(event) {
      // 监听 ESC 键，退出测试
      if (event.key === "Escape") {
        exitTest();
      }
    });

    screen.addEventListener("mousedown", function(event) {
      // 监听鼠标右键，返回上一步测试
      if (event.button === 2) {
        goBack();
      }
    });

    screen.addEventListener("touchstart", function(event) {
      let touchStartTime = new Date().getTime();

      screen.addEventListener("touchend", function(event) {
        let touchEndTime = new Date().getTime();
        let touchDuration = touchEndTime - touchStartTime;

        // 长按触摸屏，返回上一步测试
        if (touchDuration >= 1000) {
          goBack();
        }
      }, { once: true });

      screen.addEventListener("touchstart", function(event) {
        // 双击触摸屏，退出测试
        let doubleClickEndTime = new Date().getTime();

        if (doubleClickEndTime - touchStartTime <= 300) {
          exitTest();
        }
      }, { once: true });
    });
  </script>
</body>
</html>