SOURCE

var data = {
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"name": "撒点",
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]
}

var fea = data.features;

var arr = [];

for (let i = 0; i < fea.length; i++) {
  let arrObj = {
    x: 0,
    y: 0,
    order:0,
  };
   arrObj.x = fea[i].geometry.coordinates[0];
   arrObj.y = fea[i].geometry.coordinates[1];
   arrObj.order = i+1;
   arr.push(arrObj);
}

console.log(arr)