578 lines
20 KiB
HTML
578 lines
20 KiB
HTML
<!DOCTYPE html>
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<html lang="zh">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>热水和冷牛奶温度变化折线图</title>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/3.9.1/chart.min.js"></script>
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<style>
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body {
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font-family: Arial, sans-serif;
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text-align: center;
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margin: 0;
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padding: 0;
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height: 100vh;
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overflow: hidden;
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}
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.main-container {
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display: flex;
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flex-direction: row;
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height: 100vh;
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width: 100vw;
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overflow: hidden;
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}
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.chart-section {
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width: 66.67%;
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height: 100%;
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padding: 10px;
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box-sizing: border-box;
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overflow: hidden;
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display: flex;
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flex-direction: column;
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}
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.controls-section {
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width: 33.33%;
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height: 100%;
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padding: 10px;
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box-sizing: border-box;
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overflow-y: auto;
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background-color: #f9f9f9;
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border-left: 1px solid #ddd;
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}
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.chart-container {
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flex: 1;
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width: 100%;
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position: relative;
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margin-bottom: 10px;
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}
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.title-container {
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padding: 10px 0;
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}
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.axis-controls {
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display: flex;
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flex-direction: column;
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margin: 10px 0;
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padding: 10px;
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background: #f5f5f5;
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border-radius: 5px;
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width: 100%;
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box-sizing: border-box;
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transition: max-height 0.3s ease-out;
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overflow: hidden;
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}
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.axis-controls.collapsed {
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max-height: 0;
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padding: 0;
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margin: 0;
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}
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.toggle-button {
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background: #4CAF50;
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color: white;
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border: none;
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padding: 8px 15px;
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border-radius: 4px;
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cursor: pointer;
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width: 100%;
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text-align: left;
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 10px;
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}
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.toggle-button:hover {
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background: #45a049;
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}
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.toggle-button .arrow {
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transition: transform 0.3s ease;
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}
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.toggle-button.collapsed .arrow {
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transform: rotate(-90deg);
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}
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.axis-control-group {
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display: flex;
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flex-direction: column;
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align-items: flex-start;
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margin-bottom: 10px;
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width: 100%;
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}
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.axis-label {
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font-weight: bold;
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margin-bottom: 5px;
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width: 100%;
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text-align: left;
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}
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.axis-inputs {
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display: flex;
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align-items: center;
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width: 100%;
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}
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input {
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padding: 8px;
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font-size: 14px;
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width: 70px;
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margin: 0 5px;
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border: 1px solid #ccc;
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border-radius: 4px;
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}
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.record-section {
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width: 100%;
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margin-top: 10px;
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}
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.input-controls {
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display: flex;
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flex-direction: column;
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width: 100%;
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margin-bottom: 15px;
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}
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.input-group {
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display: flex;
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align-items: center;
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margin: 5px 0;
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width: 100%;
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}
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.input-group label {
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flex: 1;
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text-align: left;
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}
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.input-group input {
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flex: 1;
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max-width: 120px;
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}
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.buttons-container {
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display: flex;
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justify-content: space-between;
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margin: 10px 0;
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}
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.record-list {
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list-style-type: none;
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padding: 0;
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margin: 0;
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display: flex;
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flex-direction: column;
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gap: 5px;
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max-height: 40vh;
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overflow-y: auto;
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width: 100%;
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}
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.record-list li {
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cursor: pointer;
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padding: 8px 10px;
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background: #f0f0f0;
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border-radius: 5px;
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transition: background 0.2s;
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text-align: left;
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font-size: 14px;
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}
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.record-list li:hover {
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background: #ddd;
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}
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button {
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padding: 8px 15px;
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font-size: 14px;
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background: #4CAF50;
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color: white;
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border: none;
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border-radius: 4px;
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cursor: pointer;
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flex: 1;
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margin: 0 5px;
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}
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button:hover {
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background: #45a049;
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}
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button.clear {
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background: #f44336;
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}
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button.clear:hover {
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background: #d32f2f;
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}
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.error-message {
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color: #f44336;
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font-size: 14px;
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margin: 5px 0;
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min-height: 20px;
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}
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.section-title {
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margin: 10px 0;
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text-align: left;
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border-bottom: 1px solid #ddd;
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padding-bottom: 5px;
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}
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/* 响应式设计 - 纵向屏幕 */
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@media (max-width: 768px) {
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.main-container {
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flex-direction: column;
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height: auto;
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overflow: auto;
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}
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.chart-section {
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width: 100%;
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height: 60vh;
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min-height: 300px;
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}
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.controls-section {
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width: 100%;
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height: auto;
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border-left: none;
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border-top: 1px solid #ddd;
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}
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.record-list {
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max-height: 30vh;
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}
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.axis-inputs {
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width: 100%;
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justify-content: flex-start;
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}
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.axis-inputs span {
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margin: 0 10px;
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}
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}
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</style>
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</head>
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<body>
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<div class="main-container">
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<div class="chart-section">
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<div class="title-container">
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<h1>热水和冷牛奶温度变化折线图</h1>
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</div>
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<div class="chart-container">
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<canvas id="temperatureChart"></canvas>
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</div>
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</div>
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<div class="controls-section">
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<h2 class="section-title">坐标轴设置</h2>
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<button class="toggle-button collapsed" onclick="toggleAxisControls()">
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坐标轴设置
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<span class="arrow">▼</span>
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</button>
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<div class="axis-controls collapsed" id="axisControls">
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<div class="axis-control-group">
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<div class="axis-label">X轴范围 (分钟)</div>
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<div class="axis-inputs">
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<input type="number" id="xMin" placeholder="最小值" min="0" oninput="validateAxes()">
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<span>-</span>
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<input type="number" id="xMax" placeholder="最大值" min="0" oninput="validateAxes()">
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</div>
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</div>
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<div class="axis-control-group">
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<div class="axis-label">Y轴范围 (温度℃)</div>
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<div class="axis-inputs">
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<input type="number" id="yMin" placeholder="最小值" oninput="validateAxes()">
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<span>-</span>
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<input type="number" id="yMax" placeholder="最大值" oninput="validateAxes()">
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</div>
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</div>
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</div>
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<div class="error-message" id="axisError"></div>
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<div class="record-section">
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<h2 class="section-title">实验数据记录</h2>
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<div class="input-controls">
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<div class="input-group">
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<label>时间（分钟）：</label>
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<input type="number" id="timeInput" value="0" min="0" step="1">
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</div>
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<div class="input-group">
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<label>热水温度（℃）：</label>
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<input type="number" id="hotWaterInput" step="0.1">
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</div>
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<div class="input-group">
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<label>冷牛奶温度（℃）：</label>
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<input type="number" id="coldMilkInput" step="0.1">
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</div>
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</div>
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<div class="error-message" id="inputError"></div>
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<div class="buttons-container">
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<button onclick="addRecord()">添加数据</button>
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<button class="clear" onclick="clearRecords()">清空数据</button>
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</div>
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<h3 class="section-title">已记录数据</h3>
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<ul id="recordList" class="record-list"></ul>
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</div>
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</div>
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</div>
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<script>
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const ctx = document.getElementById('temperatureChart').getContext('2d');
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let chart;
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let timeValues = [], hotWaterValues = [], coldMilkValues = [];
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// 验证坐标轴值
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function validateAxes() {
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const xMin = document.getElementById('xMin').value;
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const xMax = document.getElementById('xMax').value;
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const yMin = document.getElementById('yMin').value;
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const yMax = document.getElementById('yMax').value;
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const axisError = document.getElementById('axisError');
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axisError.textContent = '';
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if (xMin && xMax && Number(xMin) >= Number(xMax)) {
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axisError.textContent = 'X轴最小值必须小于最大值';
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return false;
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}
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if (yMin && yMax && Number(yMin) >= Number(yMax)) {
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axisError.textContent = 'Y轴最小值必须小于最大值';
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return false;
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}
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if (xMin && Number(xMin) < 0) {
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axisError.textContent = 'X轴最小值不能小于0';
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document.getElementById('xMin').value = 0;
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return false;
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}
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updateChart();
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return true;
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}
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function addRecord() {
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const timeInput = document.getElementById('timeInput');
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const hotWaterInput = document.getElementById('hotWaterInput');
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const coldMilkInput = document.getElementById('coldMilkInput');
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const inputError = document.getElementById('inputError');
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const time = Math.round(Number(timeInput.value)); // 确保时间为整数
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const hotWater = Number(hotWaterInput.value);
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const coldMilk = Number(coldMilkInput.value);
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// 重置错误消息
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inputError.textContent = '';
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// 验证输入
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if (isNaN(time) || isNaN(hotWater) || isNaN(coldMilk)) {
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inputError.textContent = '请输入有效的数字';
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return;
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}
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if (time < 0) {
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inputError.textContent = '时间不能为负值';
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return;
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}
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// 添加数据
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timeValues.push(time);
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hotWaterValues.push(hotWater);
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coldMilkValues.push(coldMilk);
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// 自动排序
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sortRecords();
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// 更新输入框的默认值
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timeInput.value = time + 1; // 增加整数分钟
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hotWaterInput.value = '';
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coldMilkInput.value = '';
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updateChart();
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}
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function removeRecord(element) {
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if (confirm('确定要删除这条记录吗？')) {
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const index = parseInt(element.getAttribute('data-index'));
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if (index > -1) {
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timeValues.splice(index, 1);
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hotWaterValues.splice(index, 1);
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coldMilkValues.splice(index, 1);
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}
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element.remove();
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updateRecordIndices();
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updateChart();
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}
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}
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function updateRecordIndices() {
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const items = document.querySelectorAll('#recordList li');
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items.forEach((item, index) => {
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item.setAttribute('data-index', index);
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});
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}
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function clearRecords() {
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if (confirm('确定要清空所有数据吗？')) {
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timeValues = [];
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hotWaterValues = [];
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coldMilkValues = [];
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document.getElementById('recordList').innerHTML = '';
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document.getElementById('timeInput').value = '0';
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updateChart();
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}
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}
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function sortRecords() {
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// 获取所有的排序索引
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let sortedIndices = timeValues.map((_, i) => i).sort((a, b) => timeValues[a] - timeValues[b]);
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// 更新排序后的数据
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let newTimes = sortedIndices.map(i => timeValues[i]);
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let newHotWater = sortedIndices.map(i => hotWaterValues[i]);
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let newColdMilk = sortedIndices.map(i => coldMilkValues[i]);
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// 替换原数组
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timeValues = newTimes;
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hotWaterValues = newHotWater;
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coldMilkValues = newColdMilk;
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// 更新显示的列表
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const recordList = document.getElementById('recordList');
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recordList.innerHTML = '';
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for (let i = 0; i < timeValues.length; i++) {
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const listItem = document.createElement('li');
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listItem.textContent = `时间: ${timeValues[i]}分钟, 热水: ${hotWaterValues[i].toFixed(1)}℃, 牛奶: ${coldMilkValues[i].toFixed(1)}℃`;
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listItem.setAttribute('data-time', timeValues[i]);
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listItem.setAttribute('data-hot', hotWaterValues[i]);
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listItem.setAttribute('data-cold', coldMilkValues[i]);
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listItem.setAttribute('data-index', i);
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listItem.onclick = function() { removeRecord(this); };
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recordList.appendChild(listItem);
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}
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}
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function updateChart() {
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let xMin = document.getElementById('xMin').value;
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let xMax = document.getElementById('xMax').value;
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let yMin = document.getElementById('yMin').value;
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let yMax = document.getElementById('yMax').value;
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// 设置默认值和动态范围
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xMin = xMin ? Number(xMin) : 0; // 时间最小值始终为0或更大
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xMax = xMax ? Number(xMax) : (timeValues.length ? Math.max(...timeValues) + 1 : 10);
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let allTemps = [...hotWaterValues, ...coldMilkValues].filter(t => !isNaN(t));
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let tempMin = allTemps.length ? Math.min(...allTemps) : 0;
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let tempMax = allTemps.length ? Math.max(...allTemps) : 50;
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// 为了更好的视觉效果，给温度范围添加一些余量
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tempMin = Math.floor(tempMin - 5);
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tempMax = Math.ceil(tempMax + 5);
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yMin = yMin ? Number(yMin) : tempMin;
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yMax = yMax ? Number(yMax) : tempMax;
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const data = {
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labels: timeValues,
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datasets: [
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{
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label: '热水温度（℃）',
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data: timeValues.map((time, i) => ({x: time, y: hotWaterValues[i]})),
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borderColor: 'red',
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backgroundColor: 'rgba(255, 0, 0, 0.1)',
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borderWidth: 2,
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fill: false,
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tension: 0.2,
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pointRadius: 4,
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pointHoverRadius: 6
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},
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{
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label: '冷牛奶温度（℃）',
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data: timeValues.map((time, i) => ({x: time, y: coldMilkValues[i]})),
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borderColor: 'blue',
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backgroundColor: 'rgba(0, 0, 255, 0.1)',
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borderWidth: 2,
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fill: false,
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tension: 0.2,
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pointRadius: 4,
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pointHoverRadius: 6
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}
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]
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};
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if (chart) {
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chart.destroy();
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}
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chart = new Chart(ctx, {
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type: 'line',
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data: data,
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options: {
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responsive: true,
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maintainAspectRatio: false,
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plugins: {
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title: {
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display: true,
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text: '热水和冷牛奶温度随时间变化',
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font: {
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size: 16
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}
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},
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tooltip: {
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mode: 'index',
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intersect: false
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},
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legend: {
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position: 'top',
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labels: {
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boxWidth: 40,
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padding: 10
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}
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}
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},
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scales: {
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x: {
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type: 'linear',
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title: {
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display: true,
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text: '时间（分钟）',
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font: {
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weight: 'bold'
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}
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},
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min: xMin,
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max: xMax,
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ticks: {
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stepSize: 1
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}
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},
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y: {
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type: 'linear',
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title: {
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display: true,
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text: '温度（℃）',
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font: {
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weight: 'bold'
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}
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},
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min: yMin,
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max: yMax
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}
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},
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interaction: {
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mode: 'nearest',
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axis: 'x',
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intersect: false
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},
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animation: {
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duration: 500
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}
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}
|
|
});
|
|
}
|
|
|
|
// 页面加载完成后初始化图表
|
|
document.addEventListener('DOMContentLoaded', function() {
|
|
updateChart();
|
|
});
|
|
|
|
// 屏幕大小变化时重新调整图表
|
|
window.addEventListener('resize', function() {
|
|
updateChart();
|
|
});
|
|
|
|
// 控制坐标轴设置区域的显示/隐藏
|
|
function toggleAxisControls() {
|
|
const controls = document.getElementById('axisControls');
|
|
const button = document.querySelector('.toggle-button');
|
|
controls.classList.toggle('collapsed');
|
|
button.classList.toggle('collapsed');
|
|
}
|
|
</script>
|
|
</body>
|
|
</html> |