stream_app/index.html

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<!DOCTYPE html>
<html>
<head>
<title>集装箱装箱优化系统</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/three@0.128.0/examples/js/controls/OrbitControls.js"></script>
<style>
body { margin: 0; }
#container { width: 100vw; height: 100vh; }
#inputPanel {
position: absolute;
top: 20px;
left: 20px;
background: rgba(255,255,255,0.8);
padding: 20px;
border-radius: 8px;
font-family: Arial;
}
#result { margin-top: 20px; font-weight: bold; }
.axis { position: absolute; bottom: 20px; left: 20px; background: rgba(255,255,255,0.8); padding: 10px; border-radius: 4px; }
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.tooltip {
position: absolute;
background: rgba(0,0,0,0.7);
color: white;
padding: 8px;
border-radius: 4px;
opacity: 0;
transition: opacity 0.3s;
}
.layer-checkbox { margin-bottom: 10px; }
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</style>
</head>
<body>
<div id="inputPanel">
<h3>参数输入</h3>
<div>
集装箱尺寸mm<br>
长:<input type="number" id="conLen" value="12014"><br>
宽:<input type="number" id="conWid" value="2337"><br>
高:<input type="number" id="conHei" value="2388"><br>
</div>
<div>
纸箱尺寸mm<br>
长:<input type="number" id="boxLen" value="685"><br>
宽:<input type="number" id="boxWid" value="548"><br>
高:<input type="number" id="boxHei" value="489"><br>
</div>
<button onclick="calculate()">开始计算</button>
<div id="result"></div>
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<div id="instructions" style="margin-top:20px; max-width:300px; line-height:1.5;"></div>
<div class="layer-checkboxes"></div>
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</div>
<div id="axisInfo" class="axis">视角:前视图</div>
<div id="container"></div>
<script>
let scene, camera, renderer, controls;
let containerMesh, boxMeshes = [];
let activeCamera = 'front';
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let tooltip = document.createElement('div');
tooltip.className = 'tooltip';
let result = {};
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function initThree() {
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera(60, window.innerWidth/window.innerHeight, 1, 100000);
renderer = new THREE.WebGLRenderer({ antialias: true });
renderer.setSize(window.innerWidth, window.innerHeight);
document.getElementById('container').appendChild(renderer.domElement);
controls = new THREE.OrbitControls(camera, renderer.domElement);
camera.position.set(15000, 5000, 15000);
controls.update();
const gridHelper = new THREE.GridHelper(20000, 20, 0x888888, 0x888888);
scene.add(gridHelper);
const axesHelper = new THREE.AxesHelper(5000);
scene.add(axesHelper);
animate();
}
function animate() {
requestAnimationFrame(animate);
controls.update();
renderer.render(scene, camera);
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// 更新提示信息
if (document.querySelector('.tooltip')) {
document.body.removeChild(document.querySelector('.tooltip'));
}
document.body.appendChild(tooltip);
tooltip.style.opacity = 0;
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}
async function calculate() {
const data = {
container: {
length: parseFloat(document.getElementById('conLen').value),
width: parseFloat(document.getElementById('conWid').value),
height: parseFloat(document.getElementById('conHei').value)
},
box: {
length: parseFloat(document.getElementById('boxLen').value),
width: parseFloat(document.getElementById('boxWid').value),
height: parseFloat(document.getElementById('boxHei').value)
}
};
const response = await fetch('/calculate', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(data)
});
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result = await response.json();
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document.getElementById('result').innerHTML = `最优装箱数:${result.count}`;
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// 显示装箱说明
const instructions = `
装箱方案说明:<br>
1. 选择最优旋转方式:长${result.boxLength}mm × 宽${result.boxWidth}mm × 高${result.boxHeight}mm<br>
2. 排列策略:${result.strategy}<br>
3. 排列密度:${result.density.toFixed(2)}%<br>
4. 空间利用率:${result.spaceUtilization.toFixed(2)}%<br>
5. 实际占用体积:${(result.usedVolume/1000000000).toFixed(2)} m³
`;
document.getElementById('instructions').innerHTML = instructions;
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// 清理现有场景
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scene.remove(containerMesh);
boxMeshes.forEach(mesh => scene.remove(mesh));
boxMeshes = [];
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// 创建集装箱
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const containerGeo = new THREE.BoxGeometry(
data.container.length,
data.container.height,
data.container.width
);
const containerMat = new THREE.MeshBasicMaterial({
color: 0x333333,
wireframe: true,
transparent: true,
opacity: 0.3
});
containerMesh = new THREE.Mesh(containerGeo, containerMat);
containerMesh.position.set(data.container.length/2, data.container.height/2, data.container.width/2);
scene.add(containerMesh);
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// 创建分层控制
const layerCheckboxes = document.querySelector('.layer-checkboxes');
layerCheckboxes.innerHTML = '';
result.layers.forEach((layer, index) => {
const div = document.createElement('div');
const checkbox = document.createElement('input');
checkbox.type = 'checkbox';
checkbox.id = `layer-${index}`;
checkbox.checked = true;
checkbox.addEventListener('change', updateVisibility);
const label = document.createElement('label');
label.htmlFor = `layer-${index}`;
label.textContent = `第${index+1}层 (${layer.count}箱)`;
div.appendChild(checkbox);
div.appendChild(label);
layerCheckboxes.appendChild(div);
});
// 初始显示所有层
updateVisibility();
// 添加光源
const light = new THREE.DirectionalLight(0xffffff, 1);
light.position.set(10000, 10000, 10000);
scene.add(light);
}
function updateVisibility() {
// 移除现有箱子
boxMeshes.forEach(mesh => scene.remove(mesh));
boxMeshes = [];
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const boxMat = new THREE.MeshLambertMaterial({
color: 0x00ff00,
transparent: true,
opacity: 0.6
});
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// 根据选中层创建箱子
const checkedLayers = Array.from(document.querySelectorAll('.layer-checkboxes input:checked'))
.map(cb => parseInt(cb.id.split('-')[1]));
checkedLayers.forEach(layerIndex => {
const layer = result.layers[layerIndex];
layer.layout.forEach(pos => {
const boxGeo = new THREE.BoxGeometry(
result.boxLength,
result.boxHeight,
result.boxWidth
);
const box = new THREE.Mesh(boxGeo, boxMat);
box.position.set(
pos.x + result.boxLength/2,
pos.y + result.boxHeight/2,
pos.z + result.boxWidth/2
);
box.rotation.set(
THREE.MathUtils.degToRad(pos.rotationX),
THREE.MathUtils.degToRad(pos.rotationY),
THREE.MathUtils.degToRad(pos.rotationZ)
);
box.userData.index = pos.boxNumber;
box.on('pointerover', showTooltip);
box.on('pointerout', hideTooltip);
scene.add(box);
boxMeshes.push(box);
});
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});
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}
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function showTooltip(event) {
const box = event.target;
const position = box.position;
const rotation = box.rotation;
const dimensions = box.geometry.parameters;
tooltip.innerHTML = `
箱号:${box.userData.index}<br>
位置:(${position.x.toFixed(0)}, ${position.y.toFixed(0)}, ${position.z.toFixed(0)})<br>
尺寸:${dimensions.width}×${dimensions.height}×${dimensions.depth}<br>
旋转X=${(rotation.x * 180/Math.PI).toFixed(0)}°,
Y=${(rotation.y * 180/Math.PI).toFixed(0)}°,
Z=${(rotation.z * 180/Math.PI).toFixed(0)}°
`;
tooltip.style.left = `${event.clientX + 10}px`;
tooltip.style.top = `${event.clientY - 30}px`;
tooltip.style.opacity = 1;
}
function hideTooltip() {
tooltip.style.opacity = 0;
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}
window.addEventListener('keydown', (e) => {
switch(e.key) {
case '1':
camera.position.set(15000, 5000, 15000);
activeCamera = 'front';
break;
case '2':
camera.position.set(-15000, 5000, 15000);
activeCamera = 'back';
break;
case '3':
camera.position.set(0, 15000, 0);
activeCamera = 'top';
break;
}
document.getElementById('axisInfo').innerHTML = `视角:${activeCamera}`;
});
initThree();
</script>
</body>
</html>