使用lodash对数组对象数据进行排序
对数组对象数据进行排序处理过程：
1、安装lodash依赖
npm i lodash -S
2，引入lodash
let _ = require('lodash');
3、数据排序（升序）
let features = [
{
code: '11',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9362647,24.6866522],
[118.0078597,24.6877492],
[118.0067403,24.759389],
[117.9351229,24.7582472]
],
[
[117.9362647,24.6866522],
[118.0078597,24.6877492],
[118.0067403,24.759389],
[117.9351229,24.7582472]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '02',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9362647,24.6866522],
[118.0078597,24.6877492],
[118.0067403,24.759389],
[117.9351229,24.7582472]
],
[
[117.9362647,24.6866522],
[118.0078597,24.6877492],
[118.0067403,24.759389],
[117.9351229,24.7582472]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '01',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9652977,24.5483274],
[117.9787306,24.5483274],
[117.9785567,24.562019],
[117.9651456,24.5617725]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '03',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9652977,24.5483274],
[117.9787306,24.5483274],
[117.9785567,24.562019],
[117.9651456,24.5617725]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '07',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9652977,24.5483274],
[117.9787306,24.5483274],
[117.9785567,24.562019],
[117.9651456,24.5617725]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '05',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9652977,24.5483274],
[117.9787306,24.5483274],
[117.9785567,24.562019],
[117.9651456,24.5617725]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '06',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9652977,24.5483274],
[117.9787306,24.5483274],
[117.9785567,24.562019],
[117.9651456,24.5617725]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '04',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9652977,24.5483274],
[117.9787306,24.5483274],
[117.9785567,24.562019],
[117.9651456,24.5617725]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
];
let result = _.sortBy(features,function(item){
return item.code;//根据code对数据进行升序排序，如果降序则改为：return -item.code
});
console.log(result);
4、结果输出为：
[
{
code: '01',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9362647,24.6866522],
[118.0078597,24.6877492],
[118.0067403,24.759389],
[117.9351229,24.7582472]
],
[
[117.9362647,24.6866522],
[118.0078597,24.6877492],
[118.0067403,24.759389],
[117.9351229,24.7582472]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '02',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9362647,24.6866522],
[118.0078597,24.6877492],
[118.0067403,24.759389],
[117.9351229,24.7582472]
],
[
[117.9362647,24.6866522],
[118.0078597,24.6877492],
[118.0067403,24.759389],
[117.9351229,24.7582472]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '03',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9652977,24.5483274],
[117.9787306,24.5483274],
[117.9785567,24.562019],
[117.9651456,24.5617725]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '04',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9652977,24.5483274],
[117.9787306,24.5483274],
[117.9785567,24.562019],
[117.9651456,24.5617725]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '05',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9652977,24.5483274],
[117.9787306,24.5483274],
[117.9785567,24.562019],
[117.9651456,24.5617725]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '06',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9652977,24.5483274],
[117.9787306,24.5483274],
[117.9785567,24.562019],
[117.9651456,24.5617725]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '07',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9652977,24.5483274],
[117.9787306,24.5483274],
[117.9785567,24.562019],
[117.9651456,24.5617725]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
{
code: '11',
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [
[
[117.9652977,24.5483274],
[117.9787306,24.5483274],
[117.9785567,24.562019],
[117.9651456,24.5617725]
]
]
},
properties: {
OBJECTID: 1,
CODE: '1'
}
},
]