是的，ChatGPT可以直接写代码！ ChatGPT支持许多编程语言，包括Python，JavaScript和C ++等。您可以在消息框中键入您的代码，并使用/code命令将其格式化为代码块，以便ChatGPT更好地理解您的请求。
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<head><meta charset="utf-8"><title>D3.js流程图示例</title><script src="https://d3js.org/d3.v6.min.js"></script>
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<body><svg width="600" height="400"></svg><script>// 定义数据const nodes = [{ id: 'A', label: '任务A' },{ id: 'B', label: '任务B' },{ id: 'C', label: '任务C' },{ id: 'D', label: '任务D' },{ id: 'E', label: '任务E' },];const links = [{ source: 'A', target: 'B' },{ source: 'A', target: 'C' },{ source: 'B', target: 'D' },{ source: 'C', target: 'E' },];// 定义图表尺寸const width = 600;const height = 400;// 创建svg元素const svg = d3.select('svg');// 创建力导向图模拟器const simulation = d3.forceSimulation(nodes).force('link', d3.forceLink(links).id(d => d.id)).force('charge', d3.forceManyBody()).force('center', d3.forceCenter(width / 2, height / 2));// 创建连线const link = svg.append('g').attr('stroke', '#999').attr('stroke-opacity', 0.6).selectAll('line').data(links).join('line').attr('stroke-width', d => Math.sqrt(d.value));// 创建节点const node = svg.append('g').attr('stroke', '#fff').attr('stroke-width', 1.5).selectAll('circle').data(nodes).join('circle').attr('r', 5).attr('fill', '#69b3a2').call(drag(simulation));// 创建节点标签const label = svg.append('g').attr('font-family', 'sans-serif').attr('font-size', 12).selectAll('text').data(nodes).join('text').text(d => d.label).attr('x', 8).attr('y', 4);// 定义拖拽函数function drag(simulation) {function dragstarted(event) {if (!event.active) simulation.alphaTarget(0.3).restart();event.subject.fx = event.subject.x;event.subject.fy = event.subject.y;}function dragged(event) {event.subject.fx = event.x;event.subject.fy = event.y;}function dragended(event) {if (!event.active) simulation.alphaTarget(0);event.subject.fx = null;event.subject.fy = null;}return d3.drag().on('start', dragstarted).on('drag', dragged).on('end', dragended);}// 更新节点和连线位置simulation.on('tick', () => {link.attr('x1', d => d.source.x).attr('y1', d => d.source.y).attr('x2', d => d.target.x).attr('y2', d => d.target.y);node.attr('cx', d => d.x).attr('cy', d => d.y);label.attr('x', d => d.x + 10).attr('y', d => d.y + 5);});</script>
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