所以我有这个脚本
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>MMM PROJECT</title>
<style>
.node {
cursor: pointer;
}
.node circle {
fill: #fff;
stroke: coral;
r: 20 ;
stroke-width: 3px;
}
.node text {
font: 12px sans-serif;
}
.link {
fill: none;
stroke: #287233;
stroke-width: 2px;
}
</style>
</head>
<body>
<!-- load the d3.js library -->
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
var treeData =[{"name" : "Master",
"children" : [
{"name" : "C++BIO",
"parent" : "Master",
"children" : [
{"name" : "Semestre 7",
"parent" : "C++BIO",
"children" : [
{"nane" : "UEs Obligatoires",
"parent" : "Semestre 7",
"children" : [
{"name" : "Anglais",
"parent" : "UEs Obligatoires"
},
{"name" : "Algo",
"parent" : "UEs Obligatoires"
},
{"name" : "Unix",
"parent" : "UEs Obligatoires"
}
]
},
{"name" : "UEs Facultatives",
"parent" : "Semestre 7",
"children" : [
{"name" : "Imagerie",
"parent" : "UEs Facultatives"
},
{"name" : "Physique",
"parent" : "UEs Facultatives"
}
]
}
]
},
{"name" : "Semestre 8",
"parent" : "C++BIO",
"children" : [
{"nane" : "UEs Obligatoires",
"parent" : "Semestre 8",
"children" : [
{"name" : "Allemand",
"parent" : "UEs Obligatoires"
},
{"name" : "Truc",
"parent" : "UEs Obligatoires"
},
{"name" : "Logiciel",
"parent" : "UEs Obligatoires"
}
]
},
{"name" : "UEs Facultatives",
"parent" : "Semestre 8",
"children" : [
{"name" : "Maison",
"parent" : "UEs Facultatives"
},
{"name" : "Dark Vador",
"parent" : "UEs Facultatives"
}
]
}
]
}
]
},
{"name" : "parcours 2",
"parent" : "Master",
"children" : [
{"name" : "Semestre 7",
"parent" : "C++BIO",
"children" : [
{"nane" : "UEs Obligatoires",
"parent" : "Semestre 7",
"children" : [
{"name" : "Anglais",
"parent" : "UEs Obligatoires"
},
{"name" : "Algo",
"parent" : "UEs Obligatoires"
},
{"name" : "Leia",
"parent" : "UEs Obligatoires"
}
]
},
{"name" : "UEs Facultatives",
"parent" : "Semestre 7",
"children" : [
{"name" : "Cheval",
"parent" : "UEs Facultatives"
},
{"name" : "poney",
"parent" : "UEs Facultatives"
}
]
}
]
},
{"name" : "Semestre 8",
"parent" : "C++BIO",
"children" : [
{"nane" : "UEs Obligatoires",
"parent" : "Semestre 8",
"children" : [
{"name" : "patate",
"parent" : "UEs Obligatoires"
},
{"name" : "cornichon",
"parent" : "UEs Obligatoires"
},
{"name" : "courgette",
"parent" : "UEs Obligatoires"
}
]
},
{"name" : "UEs Facultatives",
"parent" : "Semestre 8",
"children" : [
{"name" : "Julie",
"parent" : "UEs Facultatives"
},
{"name" : "Khaoula",
"parent" : "UEs Facultatives"
}
]
}
]
}
]
}
]
}
]
;
// ************** Generate the tree diagram *****************
var margin = {top: 20, right: 120, bottom: 20, left: 120},
width = 960 - margin.right - margin.left,
height = 500 - margin.top - margin.bottom;
var i = 0,
duration = 750,
root;
var tree = d3.layout.tree()
.size([height, width]);
var diagonal = d3.svg.diagonal()
.projection(function(d) { return [d.y, d.x]; });
var svg = d3.select("body").append("svg")
.attr("width", width + margin.right + margin.left)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
root = treeData[0];
root.x0 = height / 2;
root.y0 = 0;
update(root);
d3.select(self.frameElement).style("height", "500px");
function update(source) {
// Compute the new tree layout.
var nodes = tree.nodes(root).reverse(),
links = tree.links(nodes);
// Normalize for fixed-depth.
nodes.forEach(function(d) { d.y = d.depth * 180; });
// Update the nodes…
var node = svg.selectAll("g.node")
.data(nodes, function(d) { return d.id || (d.id = ++i); });
// Enter any new nodes at the parent's previous position.
var nodeEnter = node.enter().append("g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
.on("click", click);
nodeEnter.append("circle")
.attr("r", 1e-6)
.style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });
nodeEnter.append("text")
.attr("x", function(d) { return d.children || d._children ? -13 : 13; })
.attr("dy", ".35em")
.attr("text-anchor", function(d) { return d.children || d._children ? "end" : "start"; })
.text(function(d) { return d.name; })
.style("fill-opacity", 1e-6);
// Transition nodes to their new position.
var nodeUpdate = node.transition()
.duration(duration)
.attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });
nodeUpdate.select("circle")
.attr("r", 10)
.style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });
nodeUpdate.select("text")
.style("fill-opacity", 1);
// Transition exiting nodes to the parent's new position.
var nodeExit = node.exit().transition()
.duration(duration)
.attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
.remove();
nodeExit.select("circle")
.attr("r", 1e-6);
nodeExit.select("text")
.style("fill-opacity", 1e-6);
// Update the links…
var link = svg.selectAll("path.link")
.data(links, function(d) { return d.target.id; });
// Enter any new links at the parent's previous position.
link.enter().insert("path", "g")
.attr("class", "link")
.attr("d", function(d) {
var o = {x: source.x0, y: source.y0};
return diagonal({source: o, target: o});
});
// Transition links to their new position.
link.transition()
.duration(duration)
.attr("d", diagonal);
// Transition exiting nodes to the parent's new position.
link.exit().transition()
.duration(duration)
.attr("d", function(d) {
var o = {x: source.x, y: source.y};
return diagonal({source: o, target: o});
})
.remove();
// Stash the old positions for transition.
nodes.forEach(function(d) {
d.x0 = d.x;
d.y0 = d.y;
});
}
// Toggle children on click.
function click(d) {
if (d.children) {
d._children = d.children;
d.children = null;
} else {
d.children = d._children;
d._children = null;
}
update(d);
}
</script>
</body>
</html>
任何人都可以帮助我为每个层创建一个弧来保持节点，因此它将是每个级别的一个链接保持弧（并且弧保持每个级别的节点）..所以它会更像这样图片： mindMap我正在使用D3.js库!!如果你有任何类似的代码，它也会很棒
