修复超重问题
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parent
441a7d1bd7
commit
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BIN
__debug_bin1826320692.exe
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BIN
__debug_bin1826320692.exe
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container-packing.exe
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container-packing.exe
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2
go.mod
2
go.mod
@ -23,6 +23,8 @@ require (
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github.com/pelletier/go-toml/v2 v2.2.2 // indirect
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github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
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github.com/ugorji/go/codec v1.2.12 // indirect
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github.com/vugu/vugu v0.4.0 // indirect
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github.com/vugu/xxhash v0.0.0-20191111030615-ed24d0179019 // indirect
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golang.org/x/arch v0.8.0 // indirect
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golang.org/x/crypto v0.23.0 // indirect
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golang.org/x/net v0.25.0 // indirect
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4
go.sum
4
go.sum
@ -56,6 +56,10 @@ github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS
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github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
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github.com/ugorji/go/codec v1.2.12 h1:9LC83zGrHhuUA9l16C9AHXAqEV/2wBQ4nkvumAE65EE=
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github.com/ugorji/go/codec v1.2.12/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
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github.com/vugu/vugu v0.4.0 h1:ijU94l+qELec5f+Bb9R8m4fvZkhm4sKhawfmQVCV9a8=
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github.com/vugu/vugu v0.4.0/go.mod h1:JU3YFROwFOqodkf1q8c1IRcx92j/dq258cqpaCsDlM8=
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github.com/vugu/xxhash v0.0.0-20191111030615-ed24d0179019 h1:8NGiD5gWbVGObr+lnqcbM2rcOQBO6mr+m19BIblCdho=
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github.com/vugu/xxhash v0.0.0-20191111030615-ed24d0179019/go.mod h1:PrBK6+LJXwb+3EnJTHo43Uh4FhjFFwvN4jKk4Zc5zZ8=
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golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
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golang.org/x/arch v0.8.0 h1:3wRIsP3pM4yUptoR96otTUOXI367OS0+c9eeRi9doIc=
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golang.org/x/arch v0.8.0/go.mod h1:FEVrYAQjsQXMVJ1nsMoVVXPZg6p2JE2mx8psSWTDQys=
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114
index.html
114
index.html
@ -28,6 +28,8 @@
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transition: opacity 0.3s;
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}
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.layer-checkbox { margin-bottom: 10px; }
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#weightLimit { margin-top: 10px; }
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.layer-checkboxes { margin-top: 20px; }
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</style>
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</head>
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<body>
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@ -38,22 +40,22 @@
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长：<input type="number" id="conLen" value="12014"><br>
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宽：<input type="number" id="conWid" value="2337"><br>
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高：<input type="number" id="conHei" value="2388"><br>
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承重上限（kg）：<input type="number" id="weightLimit" value="2000"><br>
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</div>
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<div>
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纸箱尺寸（mm）：<br>
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长：<input type="number" id="boxLen" value="685"><br>
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宽：<input type="number" id="boxWid" value="548"><br>
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高：<input type="number" id="boxHei" value="489"><br>
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重量（kg）：<input type="number" id="boxWeight" value="10"><br>
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</div>
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<button onclick="calculate()">开始计算</button>
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<div id="result"></div>
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<div id="instructions" style="margin-top:20px; max-width:300px; line-height:1.5;"></div>
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<div class="layer-checkboxes"></div>
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</div>
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<div id="axisInfo" class="axis">视角：前视图</div>
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<div id="container"></div>
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<script>
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let scene, camera, renderer, controls;
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let containerMesh, boxMeshes = [];
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@ -68,15 +70,25 @@
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renderer = new THREE.WebGLRenderer({ antialias: true });
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renderer.setSize(window.innerWidth, window.innerHeight);
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document.getElementById('container').appendChild(renderer.domElement);
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controls = new THREE.OrbitControls(camera, renderer.domElement);
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controls.enableZoom = true;
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controls.enablePan = true;
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controls.enableRotate = true;
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// 初始化相机位置
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camera.position.set(15000, 5000, 15000);
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controls.target.set(0, 0, 0);
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controls.update();
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const gridHelper = new THREE.GridHelper(20000, 20, 0x888888, 0x888888);
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// 添加网格辅助线
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const gridHelper = new THREE.GridHelper(20000, 20, 0xffffff, 0x444444);
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gridHelper.material.opacity = 0.5;
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gridHelper.material.transparent = true;
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scene.add(gridHelper);
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// 添加坐标轴辅助线
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const axesHelper = new THREE.AxesHelper(5000);
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axesHelper.material.color.set(0xff0000); // 红色坐标轴
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scene.add(axesHelper);
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animate();
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@ -86,7 +98,6 @@
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requestAnimationFrame(animate);
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controls.update();
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renderer.render(scene, camera);
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// 更新提示信息
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if (document.querySelector('.tooltip')) {
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document.body.removeChild(document.querySelector('.tooltip'));
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@ -100,36 +111,41 @@
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container: {
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length: parseFloat(document.getElementById('conLen').value),
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width: parseFloat(document.getElementById('conWid').value),
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height: parseFloat(document.getElementById('conHei').value)
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height: parseFloat(document.getElementById('conHei').value),
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weightLimit: parseFloat(document.getElementById('weightLimit').value)
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},
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box: {
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length: parseFloat(document.getElementById('boxLen').value),
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width: parseFloat(document.getElementById('boxWid').value),
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height: parseFloat(document.getElementById('boxHei').value)
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height: parseFloat(document.getElementById('boxHei').value),
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weight: parseFloat(document.getElementById('boxWeight').value)
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}
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};
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try {
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const response = await fetch('/calculate', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify(data)
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});
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if (!response.ok) {
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throw new Error(`HTTP error! Status: ${response.status}`);
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}
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result = await response.json();
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console.log(result); // 添加日志
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document.getElementById('result').innerHTML = `最优装箱数：${result.count}`;
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// 显示装箱说明
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// 显示说明
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const instructions = `
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装箱方案说明：<br>
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1. 选择最优旋转方式：长${result.boxLength}mm × 宽${result.boxWidth}mm × 高${result.boxHeight}mm<br>
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1. 纸箱尺寸：长${result.boxLength}mm × 宽${result.boxWidth}mm × 高${result.boxHeight}mm<br>
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2. 排列策略：${result.strategy}<br>
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3. 排列密度：${result.density.toFixed(2)}%<br>
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4. 空间利用率：${result.spaceUtilization.toFixed(2)}%<br>
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5. 实际占用体积：${(result.usedVolume/1000000000).toFixed(2)} m³
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3. 空间利用率：${result.spaceUtilization.toFixed(2)}%<br>
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4. 总重量：${result.totalWeight.toFixed(2)} kg（承重上限：${data.container.weightLimit} kg）<br>
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${result.totalWeight > data.container.weightLimit ? "⚠️ 超重！" : ""}
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`;
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document.getElementById('instructions').innerHTML = instructions;
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// 清理现有场景
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// 清理场景
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scene.remove(containerMesh);
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boxMeshes.forEach(mesh => scene.remove(mesh));
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boxMeshes = [];
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@ -141,13 +157,16 @@
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data.container.width
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);
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const containerMat = new THREE.MeshBasicMaterial({
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color: 0x333333,
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color: 0xAAAAAA, // 浅灰色线框
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wireframe: true,
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transparent: true,
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opacity: 0.3
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opacity: 0.5
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});
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containerMesh = new THREE.Mesh(containerGeo, containerMat);
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containerMesh.position.set(data.container.length/2, data.container.height/2, data.container.width/2);
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containerMesh.position.set(
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data.container.length / 2,
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data.container.height / 2,
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data.container.width / 2
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);
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scene.add(containerMesh);
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// 创建分层控制
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@ -160,37 +179,39 @@
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checkbox.id = `layer-${index}`;
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checkbox.checked = true;
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checkbox.addEventListener('change', updateVisibility);
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const label = document.createElement('label');
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label.htmlFor = `layer-${index}`;
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label.textContent = `第${index + 1}层 (${layer.count}箱)`;
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div.appendChild(checkbox);
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div.appendChild(label);
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layerCheckboxes.appendChild(div);
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});
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// 初始显示所有层
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// 显示所有层
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updateVisibility();
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// 添加光源
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const light = new THREE.DirectionalLight(0xffffff, 1);
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light.position.set(10000, 10000, 10000);
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scene.add(light);
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const directionalLight = new THREE.DirectionalLight(0xffffff, 1);
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directionalLight.position.set(10000, 10000, 10000);
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scene.add(directionalLight);
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const ambientLight = new THREE.AmbientLight(0x404040, 0.5);
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scene.add(ambientLight);
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} catch (error) {
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console.error('Error:', error);
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document.getElementById('result').innerHTML = '计算失败，请检查输入参数。';
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}
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}
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function updateVisibility() {
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// 移除现有箱子
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boxMeshes.forEach(mesh => scene.remove(mesh));
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boxMeshes = [];
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// 纸箱材质：鲜艳的红色，不透明
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const boxMat = new THREE.MeshLambertMaterial({
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color: 0x00ff00,
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transparent: true,
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opacity: 0.6
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color: 0xff0000, // 红色
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transparent: false
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});
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// 根据选中层创建箱子
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const checkedLayers = Array.from(document.querySelectorAll('.layer-checkboxes input:checked'))
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.map(cb => parseInt(cb.id.split('-')[1]));
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@ -203,19 +224,24 @@
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result.boxWidth
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);
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const box = new THREE.Mesh(boxGeo, boxMat);
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// 设置箱子中心位置
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box.position.set(
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pos.x + result.boxLength / 2,
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pos.y + result.boxHeight / 2,
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pos.z + result.boxWidth / 2
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);
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// 应用旋转角度
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box.rotation.set(
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THREE.MathUtils.degToRad(pos.rotationX),
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THREE.MathUtils.degToRad(pos.rotationY),
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THREE.MathUtils.degToRad(pos.rotationZ)
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);
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box.userData.index = pos.boxNumber;
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box.on('pointerover', showTooltip);
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box.on('pointerout', hideTooltip);
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box.addEventListener('pointerover', showTooltip);
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box.addEventListener('pointerout', hideTooltip);
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scene.add(box);
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boxMeshes.push(box);
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});
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@ -227,7 +253,6 @@
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const position = box.position;
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const rotation = box.rotation;
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const dimensions = box.geometry.parameters;
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tooltip.innerHTML = `
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箱号：${box.userData.index}<br>
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位置：(${position.x.toFixed(0)}, ${position.y.toFixed(0)}, ${position.z.toFixed(0)})<br>
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@ -246,24 +271,35 @@
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}
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window.addEventListener('keydown', (e) => {
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const data = {
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container: {
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length: parseFloat(document.getElementById('conLen').value),
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width: parseFloat(document.getElementById('conWid').value),
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height: parseFloat(document.getElementById('conHei').value),
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}
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};
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switch (e.key) {
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case '1':
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camera.position.set(15000, 5000, 15000);
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case '1': // 前视图
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camera.position.set(data.container.length * 2, data.container.height / 2, data.container.width / 2);
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activeCamera = 'front';
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break;
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case '2':
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camera.position.set(-15000, 5000, 15000);
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case '2': // 后视图
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camera.position.set(-data.container.length * 2, data.container.height / 2, data.container.width / 2);
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activeCamera = 'back';
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break;
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case '3':
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camera.position.set(0, 15000, 0);
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case '3': // 顶视图
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camera.position.set(data.container.length / 2, data.container.height * 2, data.container.width / 2);
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activeCamera = 'top';
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break;
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}
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controls.update();
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document.getElementById('axisInfo').innerHTML = `视角：${activeCamera}`;
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});
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// 确保在页面加载完成后初始化Three.js
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window.onload = function() {
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initThree();
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};
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</script>
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</body>
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</html>
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170
main.go
170
main.go
@ -2,6 +2,7 @@ package main
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import (
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"encoding/json"
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"fmt"
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"math"
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"net/http"
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)
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@ -10,28 +11,27 @@ type Container struct {
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Length float64 `json:"length"`
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Width float64 `json:"width"`
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Height float64 `json:"height"`
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WeightLimit float64 `json:"weightLimit"`
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}
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type Box struct {
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Length float64 `json:"length"`
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Width float64 `json:"width"`
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Height float64 `json:"height"`
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Weight float64 `json:"weight"`
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}
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type Placement struct {
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X, Y, Z float64 `json:"x"`
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RotationX float64 `json:"rotationX"`
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RotationY float64 `json:"rotationY"`
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RotationZ float64 `json:"rotationZ"`
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BoxNumber int `json:"boxNumber"`
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}
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type Response struct {
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type Layer struct {
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Count int `json:"count"`
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Layout []Placement `json:"layout"`
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BoxLength float64 `json:"boxLength"`
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BoxWidth float64 `json:"boxWidth"`
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BoxHeight float64 `json:"boxHeight"`
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Strategy string `json:"strategy"`
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Density float64 `json:"density"`
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SpaceUtilization float64 `json:"spaceUtilization"`
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UsedVolume float64 `json:"usedVolume"`
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}
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func main() {
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@ -46,19 +46,43 @@ func main() {
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}
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json.NewDecoder(r.Body).Decode(&data)
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layout, bestRotation, strategy, density, spaceUtilization, usedVolume := optimizePacking(data.Container, data.Box)
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count := len(layout)
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layout, strategy, count := optimizePacking(data.Container, data.Box)
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response := Response{
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layerMap := make(map[float64][]Placement)
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for _, pos := range layout {
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layerMap[pos.Z] = append(layerMap[pos.Z], pos)
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}
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var layers []Layer
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for _, layer := range layerMap { // 修正：删除未使用的变量 z
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layers = append(layers, Layer{
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Count: len(layer),
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Layout: layer,
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})
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}
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response := struct {
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Count int `json:"count"`
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Layers []Layer `json:"layers"`
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Strategy string `json:"strategy"`
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Density float64 `json:"density"`
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SpaceUtilization float64 `json:"spaceUtilization"`
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UsedVolume float64 `json:"usedVolume"`
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TotalWeight float64 `json:"totalWeight"`
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BoxLength float64 `json:"boxLength"`
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BoxWidth float64 `json:"boxWidth"`
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BoxHeight float64 `json:"boxHeight"`
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}{
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Count: count,
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Layout: layout,
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BoxLength: bestRotation.Length,
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BoxWidth: bestRotation.Width,
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BoxHeight: bestRotation.Height,
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Layers: layers,
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Strategy: strategy,
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Density: density,
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SpaceUtilization: spaceUtilization,
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UsedVolume: usedVolume,
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Density: calculateDensity(data.Container, data.Box, count),
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SpaceUtilization: calculateSpaceUtilization(data.Container, data.Box, count),
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UsedVolume: float64(count) * data.Box.Length * data.Box.Width * data.Box.Height,
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TotalWeight: float64(count) * data.Box.Weight,
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BoxLength: data.Box.Length,
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BoxWidth: data.Box.Width,
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BoxHeight: data.Box.Height,
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}
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json.NewEncoder(w).Encode(response)
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@ -67,17 +91,17 @@ func main() {
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http.ListenAndServe(":8080", nil)
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}
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func optimizePacking(con Container, box Box) ([]Placement, Box, string, float64, float64, float64) {
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var bestLayout []Placement
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var bestRotation Box
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var bestStrategy string
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maxCount := 0
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var bestDensity float64
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var bestSpaceUtilization float64
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var bestUsedVolume float64
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func optimizePacking(con Container, box Box) ([]Placement, string, int) {
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rotations := generateRotations(con, box)
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rotations := generateRotations(box)
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conVolume := con.Length * con.Width * con.Height
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type candidate struct {
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layout []Placement
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count int
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weight float64
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||||
strategy string
|
||||
}
|
||||
|
||||
var candidates []candidate
|
||||
|
||||
for _, r := range rotations {
|
||||
for _, strategy := range []string{"XY", "XZ", "YX", "YZ", "ZX", "ZY"} {
|
||||
@ -110,32 +134,56 @@ func optimizePacking(con Container, box Box) ([]Placement, Box, string, float64,
|
||||
}
|
||||
|
||||
total := int(xCount * yCount * zCount)
|
||||
if total > maxCount && total > 0 {
|
||||
maxCount = total
|
||||
bestRotation = r
|
||||
bestStrategy = strategy
|
||||
bestLayout = generateLayout(r, xCount, yCount, zCount, strategy)
|
||||
totalWeight := float64(total) * box.Weight
|
||||
|
||||
boxVolume := r.Length * r.Width * r.Height
|
||||
bestUsedVolume = float64(total) * boxVolume
|
||||
bestDensity = (bestUsedVolume / conVolume) * 100
|
||||
bestSpaceUtilization = bestDensity
|
||||
if total > 0 {
|
||||
fmt.Printf("Rotation: %v | Strategy: %s | Total: %d | Weight: %.2f kg\n", r, strategy, total, totalWeight)
|
||||
candidates = append(candidates, candidate{
|
||||
layout: generateLayout(r, xCount, yCount, zCount, strategy),
|
||||
count: total,
|
||||
weight: totalWeight,
|
||||
strategy: strategy,
|
||||
})
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return bestLayout, bestRotation, bestStrategy, bestDensity, bestSpaceUtilization, bestUsedVolume
|
||||
maxCountUnderLimit := 0
|
||||
var finalLayout []Placement
|
||||
var finalStrategy string
|
||||
|
||||
for _, c := range candidates {
|
||||
if c.count > maxCountUnderLimit && c.weight <= con.WeightLimit {
|
||||
maxCountUnderLimit = c.count
|
||||
finalLayout = c.layout
|
||||
finalStrategy = c.strategy
|
||||
}
|
||||
}
|
||||
|
||||
func generateRotations(box Box) []Box {
|
||||
return []Box{
|
||||
{box.Length, box.Width, box.Height},
|
||||
{box.Length, box.Height, box.Width},
|
||||
{box.Width, box.Length, box.Height},
|
||||
{box.Width, box.Height, box.Length},
|
||||
{box.Height, box.Length, box.Width},
|
||||
{box.Height, box.Width, box.Length},
|
||||
if maxCountUnderLimit == 0 {
|
||||
return candidates[0].layout, candidates[0].strategy, candidates[0].count
|
||||
}
|
||||
|
||||
return finalLayout, finalStrategy, maxCountUnderLimit
|
||||
}
|
||||
|
||||
func generateRotations(con Container, box Box) []Box {
|
||||
validRotations := make([]Box, 0)
|
||||
for _, r := range []Box{
|
||||
{box.Length, box.Width, box.Height, box.Weight},
|
||||
{box.Length, box.Height, box.Width, box.Weight},
|
||||
{box.Width, box.Length, box.Height, box.Weight},
|
||||
{box.Width, box.Height, box.Length, box.Weight},
|
||||
{box.Height, box.Length, box.Width, box.Weight},
|
||||
{box.Height, box.Width, box.Length, box.Weight},
|
||||
} {
|
||||
if r.Length <= con.Length &&
|
||||
r.Width <= con.Width &&
|
||||
r.Height <= con.Height {
|
||||
validRotations = append(validRotations, r)
|
||||
}
|
||||
}
|
||||
return validRotations
|
||||
}
|
||||
|
||||
func generateLayout(r Box, xCount, yCount, zCount float64, strategy string) []Placement {
|
||||
@ -149,6 +197,9 @@ func generateLayout(r Box, xCount, yCount, zCount float64, strategy string) []Pl
|
||||
X: x * r.Length,
|
||||
Y: z * r.Height,
|
||||
Z: y * r.Width,
|
||||
RotationX: 0.0,
|
||||
RotationY: 0.0,
|
||||
RotationZ: 0.0,
|
||||
})
|
||||
}
|
||||
}
|
||||
@ -161,6 +212,9 @@ func generateLayout(r Box, xCount, yCount, zCount float64, strategy string) []Pl
|
||||
X: x * r.Length,
|
||||
Y: z * r.Height,
|
||||
Z: y * r.Width,
|
||||
RotationX: 0.0,
|
||||
RotationY: 0.0,
|
||||
RotationZ: 0.0,
|
||||
})
|
||||
}
|
||||
}
|
||||
@ -173,6 +227,9 @@ func generateLayout(r Box, xCount, yCount, zCount float64, strategy string) []Pl
|
||||
X: x * r.Width,
|
||||
Y: z * r.Height,
|
||||
Z: y * r.Length,
|
||||
RotationX: 0.0,
|
||||
RotationY: 0.0,
|
||||
RotationZ: 0.0,
|
||||
})
|
||||
}
|
||||
}
|
||||
@ -185,6 +242,9 @@ func generateLayout(r Box, xCount, yCount, zCount float64, strategy string) []Pl
|
||||
X: x * r.Width,
|
||||
Y: z * r.Height,
|
||||
Z: y * r.Length,
|
||||
RotationX: 0.0,
|
||||
RotationY: 0.0,
|
||||
RotationZ: 0.0,
|
||||
})
|
||||
}
|
||||
}
|
||||
@ -197,6 +257,9 @@ func generateLayout(r Box, xCount, yCount, zCount float64, strategy string) []Pl
|
||||
X: x * r.Width,
|
||||
Y: z * r.Length,
|
||||
Z: y * r.Height,
|
||||
RotationX: 0.0,
|
||||
RotationY: 0.0,
|
||||
RotationZ: 0.0,
|
||||
})
|
||||
}
|
||||
}
|
||||
@ -209,10 +272,25 @@ func generateLayout(r Box, xCount, yCount, zCount float64, strategy string) []Pl
|
||||
X: x * r.Width,
|
||||
Y: z * r.Length,
|
||||
Z: y * r.Height,
|
||||
RotationX: 0.0,
|
||||
RotationY: 0.0,
|
||||
RotationZ: 0.0,
|
||||
})
|
||||
}
|
||||
}
|
||||
}
|
||||
default:
|
||||
fmt.Println("无效排列策略")
|
||||
}
|
||||
return layout
|
||||
}
|
||||
|
||||
func calculateDensity(con Container, box Box, count int) float64 {
|
||||
containerVolume := con.Length * con.Width * con.Height
|
||||
boxVolume := float64(count) * box.Length * box.Width * box.Height
|
||||
return (boxVolume / containerVolume) * 100
|
||||
}
|
||||
|
||||
func calculateSpaceUtilization(con Container, box Box, count int) float64 {
|
||||
return calculateDensity(con, box, count)
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user