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我们有以下从浏览器发送到服务器的数据,除了 JSON 之外,序列化/反序列化数据的最佳方法是什么?
我们最初将数据保存在客户端浏览器中,并在定期检查点将其发送到服务器。由于数据的大小,在发送数据时会占用大量浏览器内存以及网络。我们希望将发送到服务器的数据大小减小为 keys
对于每个对象来说大部分都是相同的,但 values
变化。
[
{
"range":{
"sLineNumber":3,
"sColumn":3,
"eLineNumber":3,
"eColumn":3
},
"rLength":0,
"text":"\n",
"rOffset":4,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":4,
"sColumn":1,
"eLineNumber":4,
"eColumn":1
},
"rLength":0,
"text":"\n",
"rOffset":5,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":5,
"sColumn":1,
"eLineNumber":5,
"eColumn":1
},
"rLength":0,
"text":"\n",
"rOffset":6,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":1,
"eLineNumber":6,
"eColumn":1
},
"rLength":0,
"text":"f",
"rOffset":7,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":2,
"eLineNumber":6,
"eColumn":2
},
"rLength":0,
"text":"a",
"rOffset":8,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":3,
"eLineNumber":6,
"eColumn":3
},
"rLength":0,
"text":"s",
"rOffset":9,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":4,
"eLineNumber":6,
"eColumn":4
},
"rLength":0,
"text":"d",
"rOffset":10,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":5,
"eLineNumber":6,
"eColumn":5
},
"rLength":0,
"text":"f",
"rOffset":11,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":6,
"eLineNumber":6,
"eColumn":6
},
"rLength":0,
"text":"a",
"rOffset":12,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":7,
"eLineNumber":6,
"eColumn":7
},
"rLength":0,
"text":"s",
"rOffset":13,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":8,
"eLineNumber":6,
"eColumn":8
},
"rLength":0,
"text":"f",
"rOffset":14,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":9,
"eLineNumber":6,
"eColumn":9
},
"rLength":0,
"text":"s",
"rOffset":15,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":10,
"eLineNumber":6,
"eColumn":10
},
"rLength":0,
"text":"a",
"rOffset":16,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":11,
"eLineNumber":6,
"eColumn":11
},
"rLength":0,
"text":"f",
"rOffset":17,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":12,
"eLineNumber":6,
"eColumn":12
},
"rLength":0,
"text":"s",
"rOffset":18,
"rMoveMarkers":false
}
]
key
的位置.不确定是否有任何可用于此转换的包。
最佳答案
We want to reduce the size of the data sent to the server as the
keys
are mostly would be the same for each object butvalues
changes.
{
"sLineNumber": [3, 4, /* ... */ ],
"sColumn": [3, 1, /* ... */ ],
"eLineNumber": [3, 4, /* ... */ ],
"eColumn": [3, 1, /* ... */ ],
"rLength": [0, 0, /* ... */ ],
"text": ["\n", "\n", /* ... */ ],
"rOffset": [4, 5, /* ... */ ],
"rMoveMarkers":[false, false, /* ... */ ]
}
"range"
除外)并且内存效率更高。
1
中使用整数(
0
和
true
)而不是 bool 值(
false
和
"rMoveMarkers"
)来进一步减小大小。 .
var data = [
{
"range":{
"sLineNumber":3,
"sColumn":3,
"eLineNumber":3,
"eColumn":3
},
"rLength":0,
"text":"\n",
"rOffset":4,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":4,
"sColumn":1,
"eLineNumber":4,
"eColumn":1
},
"rLength":0,
"text":"\n",
"rOffset":5,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":5,
"sColumn":1,
"eLineNumber":5,
"eColumn":1
},
"rLength":0,
"text":"\n",
"rOffset":6,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":1,
"eLineNumber":6,
"eColumn":1
},
"rLength":0,
"text":"f",
"rOffset":7,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":2,
"eLineNumber":6,
"eColumn":2
},
"rLength":0,
"text":"a",
"rOffset":8,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":3,
"eLineNumber":6,
"eColumn":3
},
"rLength":0,
"text":"s",
"rOffset":9,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":4,
"eLineNumber":6,
"eColumn":4
},
"rLength":0,
"text":"d",
"rOffset":10,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":5,
"eLineNumber":6,
"eColumn":5
},
"rLength":0,
"text":"f",
"rOffset":11,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":6,
"eLineNumber":6,
"eColumn":6
},
"rLength":0,
"text":"a",
"rOffset":12,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":7,
"eLineNumber":6,
"eColumn":7
},
"rLength":0,
"text":"s",
"rOffset":13,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":8,
"eLineNumber":6,
"eColumn":8
},
"rLength":0,
"text":"f",
"rOffset":14,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":9,
"eLineNumber":6,
"eColumn":9
},
"rLength":0,
"text":"s",
"rOffset":15,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":10,
"eLineNumber":6,
"eColumn":10
},
"rLength":0,
"text":"a",
"rOffset":16,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":11,
"eLineNumber":6,
"eColumn":11
},
"rLength":0,
"text":"f",
"rOffset":17,
"rMoveMarkers":false
},
{
"range":{
"sLineNumber":6,
"sColumn":12,
"eLineNumber":6,
"eColumn":12
},
"rLength":0,
"text":"s",
"rOffset":18,
"rMoveMarkers":false
}
];
function transform(data){
var transformed = {};
['rLength', 'text', 'rOffset', 'rMoveMarkers']
.map(x => transformed[x] = data.map(y => y[x]));
['sLineNumber', 'sColumn', 'eLineNumber', 'eColumn']
.map(x => transformed[x] = data.map(y => y.range[x]));
return transformed;
}
var originalLength = JSON.stringify(data).length;
var transformedLength = JSON.stringify(transform(data)).length;
console.log(
'Reduced to ' +
(100 * transformedLength / originalLength).toFixed(1) +
'% size of original, from ' + originalLength + ' characters to ' +
transformedLength + ' characters.'
);
console.log(transform(data));
One of the ways we thinking is sending them as an array without a key as we know the position of each
key
. Not sure if there is any package available for this conversion.
function transform(data) {
return ['rLength', 'text', 'rOffset', 'rMoveMarkers']
.map(x => data.map(y => y[x]))
.concat(
['sLineNumber', 'sColumn', 'eLineNumber', 'eColumn']
.map(x => data.map(y => y.range[x]))
);
}
var data = [{
"range": {
"sLineNumber": 3,
"sColumn": 3,
"eLineNumber": 3,
"eColumn": 3
},
"rLength": 0,
"text": "\n",
"rOffset": 4,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 4,
"sColumn": 1,
"eLineNumber": 4,
"eColumn": 1
},
"rLength": 0,
"text": "\n",
"rOffset": 5,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 5,
"sColumn": 1,
"eLineNumber": 5,
"eColumn": 1
},
"rLength": 0,
"text": "\n",
"rOffset": 6,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 6,
"sColumn": 1,
"eLineNumber": 6,
"eColumn": 1
},
"rLength": 0,
"text": "f",
"rOffset": 7,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 6,
"sColumn": 2,
"eLineNumber": 6,
"eColumn": 2
},
"rLength": 0,
"text": "a",
"rOffset": 8,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 6,
"sColumn": 3,
"eLineNumber": 6,
"eColumn": 3
},
"rLength": 0,
"text": "s",
"rOffset": 9,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 6,
"sColumn": 4,
"eLineNumber": 6,
"eColumn": 4
},
"rLength": 0,
"text": "d",
"rOffset": 10,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 6,
"sColumn": 5,
"eLineNumber": 6,
"eColumn": 5
},
"rLength": 0,
"text": "f",
"rOffset": 11,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 6,
"sColumn": 6,
"eLineNumber": 6,
"eColumn": 6
},
"rLength": 0,
"text": "a",
"rOffset": 12,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 6,
"sColumn": 7,
"eLineNumber": 6,
"eColumn": 7
},
"rLength": 0,
"text": "s",
"rOffset": 13,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 6,
"sColumn": 8,
"eLineNumber": 6,
"eColumn": 8
},
"rLength": 0,
"text": "f",
"rOffset": 14,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 6,
"sColumn": 9,
"eLineNumber": 6,
"eColumn": 9
},
"rLength": 0,
"text": "s",
"rOffset": 15,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 6,
"sColumn": 10,
"eLineNumber": 6,
"eColumn": 10
},
"rLength": 0,
"text": "a",
"rOffset": 16,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 6,
"sColumn": 11,
"eLineNumber": 6,
"eColumn": 11
},
"rLength": 0,
"text": "f",
"rOffset": 17,
"rMoveMarkers": false
},
{
"range": {
"sLineNumber": 6,
"sColumn": 12,
"eLineNumber": 6,
"eColumn": 12
},
"rLength": 0,
"text": "s",
"rOffset": 18,
"rMoveMarkers": false
}
];
function transform(data) {
return ['rLength', 'text', 'rOffset', 'rMoveMarkers']
.map(x => data.map(y => y[x]))
.concat(
['sLineNumber', 'sColumn', 'eLineNumber', 'eColumn']
.map(x => data.map(y => y.range[x]))
);
}
var originalLength = JSON.stringify(data).length;
var transformedLength = JSON.stringify(transform(data)).length;
console.log(
'Reduced to ' +
(100 * transformedLength / originalLength).toFixed(1) +
'% size of original, from ' + originalLength + ' characters to ' +
transformedLength + ' characters.'
);
console.log(transform(data));
关于javascript - 减少从浏览器发送到服务器的对象数据的最佳方法,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58683007/
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