我知道 JSON 无法像许多其他问题所讨论的那样在Chrome
本地加载。 我正在尝试重新创建这个:https://romsson.github.io/dragit/example/nations.html
我尝试实现硬编码 json 的解决方案。
工作代码:
d3.json("https://rawgit.com/romsson/dragit/master/data/nations.json", function(nations) {
....
我尝试在本地加载nations.json
:
var nations = [{"name":"Angola","region":"Sub-Saharan Africa","income":[[2006,12127071],[2007,12420476],[2008,12707546]],
"lifeExpectancy":[[2006,46.02],[2007,46.54],[2008,47.06]]},
{"name":"Benin","region":"Sub-Saharan Africa","income":[[2006,7862944],[2007,8078314],[2008,8294941]],
"lifeExpectancy":[[2006,60.6],[2007,61.03],[2008,61.47]]}]
d3.json(nations, function(nations) {
....
我收到错误:
Failed to load resource: the server responded with a status of 404 (Not Found)
d3.json 用于从 url 而不是页面中存在的对象加载数据。 因此,如果您已经在页面中有一个对象,只需将其传递给所需的函数即可。
例
function draw(nationsObj){
// A bisector since many nation's data is sparsely-defined.
var bisect = d3.bisector(function(d) { return d[0]; });
.....contents
}
draw(nations);