这是代码,当我手动将json数据粘贴到系列中时,获得了图形但是通过ajax调用我能够获取json数据但是图表是空白的。
$(document).ready(function(){
$.ajax({
url:"sqljson.php",
method:"GET",
datatype:"json",
success:graph
})
function graph(series){
var data=series;
alert(series);
var options={
lines:{show:true},
points:{show:true,hoverable:true},
grid:{hoverable:true,clickable:true}
}
$.plot($("#place"),[data], options);
}
});
json数据:在警报窗口中获取
[["253","5"],["254","32"],["255","10"],["256","50"],["257","1"],["258","2"["259","100"],["260","38"],["261","2"],["262","20"],["263","2000"],["264","500"], ["265","400"],["266","10"],["267","50"],["268","9"],["269","200"],["270","40"]["271","700"],["272","188"],["273","73"]]
答案 0 :(得分:3)
根据Flot FAQ:
问:当我使用JSON数据作为源时,Flot无效!
答:实际上,Flot喜欢JSON数据,你只是格式错误。 仔细检查你没有输入字符串而不是数字, 如[[“0”,“ - 23”],[“5”,“4.3”]]。这是最常见的错误,并且 错误可能不会立即显示,因为Javascript可以做一些 自动转换。
您需要更改输出JSON,因此没有引号,即:
[[253,5],[254,32],[255,10],[256,50],[257,1],[258,2],[259,100],[260,38],[261,2],[262,20],[263,2000],[264,500],[265,400],[266,10],[267,50],[268,9],[269,200],[270,40][271,700],[272,188],[273,73]]
但是,这可能不会这样做,它需要采用类似于this的格式,所以:
{
"label": "example",
"data": [[253,5],[254,32],[255,10],[256,50],[257,1],[258,2],[259,100],[260,38],[261,2],[262,20],[263,2000],[264,500],[265,400],[266,10],[267,50],[268,9],[269,200],[270,40][271,700],[272,188],[273,73]]
}