//例如,后台返回的数据为:
var json = {
data: [
{value: 103.95, name: "法拉利"},
{value: 103.2, name: "北汽幻速"},
{value: 97.44, name: "WEY"},
{value: 89.46, name: "北汽绅宝"},
{value: 88.87, name: "比速汽车"},
{value: 88.05, name: "汉腾汽车"},
{value: 85.96, name: "五十铃"}
]
};
//但是前台需要的数据格式为:
var newData = [
{name: "法拉利", data: [103.95], type: "bar"},
{name: "北汽幻速", data: [103.2], type: "bar"},
{name: "WEY", data: [97.44], type: "bar"},
{name: "北汽绅宝", data: [89.46], type: "bar"},
{name: "比速汽车", data: [88.87], type: "bar"},
{name: "汉腾汽车", data: [88.05], type: "bar"},
{name: "五十铃", data: [85.96], type: "bar"}
];
//实现的方法为:
//第一步:声明三个空数组,分别保存 value、nam、保存新对象的值;
var val = [];
var nam = [];
var newData = [];
for(var i = 0; i < json.data.length; i++){
val.push(json.data[i].value);
nam.push(json.data[i].name);
var obj = {
name: json.data[i].name,
data: [json.data[i].value],
type: 'bar'
};
newData.push(obj);
}
console.log('newData', newData);
//目前这个newData就是所需要的新数据。