Ritchie
/
lca


			
				
					
						
						
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							<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>申泽智能科技</title>
    <link rel="icon" type="image/x-icon" href="favicon.ico">
    <style>
      body {
        text-align: center;
        background-color: #f2f2f2;
        font-family: Arial, sans-serif;
        margin: 0;
        padding: 0;
      }
      #container {
        width: auto;
        max-width: 1000px;
        margin: 50px auto;
        padding: 20px;
        background-color: #fff;
        box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
        border-radius: 5px;
        background-image: url('./back.png');
        background-size: cover;
        background-position: top center;
        background-repeat: no-repeat;
      }
      h1 {
        font-size: 24px;
        font-weight: bold;
        color: #0e0d0d;
        margin-bottom: 30px;
      }
      label {
        display: block;
        text-align: left;
        font-weight: bold;
        margin-bottom: 5px;
        margin-left: 10px;
      }
      textarea {
        height: 150px;
      }
      input {
        height: 30px;
      }
      textarea,
      input[type="text"] {
        width: 100%;
        /* padding: 10px; */
        border: 2px solid #f9ddcd8a;
        border-radius: 5px; /* 边框圆角 */
        resize: none;
        margin-left: -4px;
        margin-right: -4px;
        font-size: 16px;
        font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
      }
      input:focus,
      textarea:focus {
        outline: none;
        border: 3px solid #e053018a;
      }

      button {
        background-color: #3f51b5;
        color: #fff;
        border: none;
        padding: 10px 20px;
        font-size: 16px;
        font-weight: bold;
        border-radius: 3px;
        cursor: pointer;
        transition: background-color 0.3s ease;
        margin-top: 10px;
      }
      button:hover {
        background-color: #2f3d88;
      }
      .result-container {
        margin-top: 20px;
      }
      .result-container h2 {
        font-size: 18px;
        margin-bottom: 10px;
        color: #333;
      }
      .result-container p {
        font-size: 24px;
        font-weight: bold;
        color: #014dff;
        animation: blink 1.5s infinite;
      }
      @keyframes blink {
        0% {
          opacity: 1;
        }
        50% {
          opacity: 0;
        }
        100% {
          opacity: 1;
        }
      }
    </style>
  </head>
  <body>
    <div id="container">
      <h1>申泽智能讲师文化活动抽奖环节</h1>

      <div>
        <label for="namesInput">请输入观众人名单：</label>
        <textarea
          id="namesInput"
          rows="4"
          placeholder="请使用英文逗号,分隔多个人名"
        ></textarea>
      </div>

      <div>
        <label for="excludedNamesInput"
          >请输入被排除的主持人和讲师：</label
        >
        <input
          type="text"
          id="excludedNamesInput"
          placeholder="请使用英文逗号,分隔多个人名"
        />
      </div>
      <button onclick="selectRandomName()">抽取随机人名</button>
      <div class="result-container">
        <h2>本次幸运观众是：</h2>
        <p id="randomName"></p>
      </div>
    </div>

    <script>
      function selectRandomName() {
        var namesInput = document.getElementById("namesInput").value;
        var excludedNamesInput =
          document.getElementById("excludedNamesInput").value;

        var namesArray = namesInput.split(",").map((name) => name.trim());
        var excludedNamesArray = excludedNamesInput.split(",").map((name) => name.trim());

        var filteredNames = filterNames(namesArray, excludedNamesArray);
        if (filteredNames.length === 0) {
          document.getElementById("randomName").innerHTML = "没有可抽取的人名";
          return;
        }

        //   var randomIndex = Math.floor(Math.random() * filteredNames.length);
        //   var randomName = filteredNames[randomIndex];
        //   document.getElementById("randomName").innerHTML = randomName.trim();

        var luckyPerson =
          namesArray[Math.floor(Math.random() * namesArray.length)];
        while (excludedNamesArray.includes(luckyPerson)) {
          luckyPerson =
            namesArray[Math.floor(Math.random() * namesArray.length)];
        }
        document.getElementById("randomName").innerHTML =
          "恭喜 " + luckyPerson + " 中奖！";
      }

      function filterNames(namesArray, excludedNamesArray) {
        var filteredNames = [];
        for (var i = 0; i < namesArray.length; i++) {
          var name = namesArray[i].trim();
          if (name !== "" && !excludedNamesArray.includes(name)) {
            filteredNames.push(name);
          }
        }
        return filteredNames;
      }
    </script>
  </body>
</html>