首頁猿問將巨大的 if 語句變量重構為數組

將巨大的 if 語句變量重構為數組

JavaScript

哆啦的時光機 2022-08-27 15:19:45

我想將這些變量重構為數組，因為它看起來很臃腫，但不知道這樣做的最佳做法，因為它們太多了。請看一看，讓我知道你認為我應該如何去做。VS_group = "group";if (VS_group == "group") { V1_IC11 = getAnswerCode('INBOARD_111_COUNT'); V1_IC12 = getAnswerCode('INBOARD_112_COUNT'); V1_IC13 = getAnswerCode('INBOARD_113_COUNT'); V1_IC14 = getAnswerCode('INBOARD_114_COUNT'); V1_IC15 = getAnswerCode('INBOARD_115_COUNT'); V1_IC16 = getAnswerCode('INBOARD_116_COUNT'); V1_IC17 = getAnswerCode('INBOARD_117_COUNT'); V1_IC18 = getAnswerCode('INBOARD_118_COUNT'); V1_IC19 = getAnswerCode('INBOARD_119_COUNT'); V1_IC20 = getAnswerCode('INBOARD_120_COUNT'); V1_IC31 = getAnswerCode('INBOARD_131_COUNT'); V1_IC32 = getAnswerCode('INBOARD_132_COUNT'); V1_IC33 = getAnswerCode('INBOARD_133_COUNT'); V1_IC34 = getAnswerCode('INBOARD_134_COUNT'); V1_IC35 = getAnswerCode('INBOARD_135_COUNT'); V1_IC36 = getAnswerCode('INBOARD_136_COUNT'); V1_IC37 = getAnswerCode('INBOARD_137_COUNT'); V1_IC38 = getAnswerCode('INBOARD_138_COUNT'); V1_IC39 = getAnswerCode('INBOARD_139_COUNT'); V1_IC40 = getAnswerCode('INBOARD_140_COUNT'); V2_IC11 = getAnswerCode('INBOARD_211_COUNT'); }

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4 回答

翻過高山走不出你

TA貢獻1875條經驗獲得超3個贊

只需記下使用兩次的兩個范圍即可。然后循環訪問這些范圍并將結果保存到對象中以供參考。

const lower = [11, 31];

const upper = [20, 40];

const vs = [1, 2];

const vsGroup = {};

for (let vn = 0; vn < vs.length; vn++) {

for (let i = 0; i < lower.length; i++) {

for (let j = lower[i]; j <= upper[i]; j++) {

vsGroup["V" + vs[vn] + "_IC" + j] = 'getAnswerCode(INBOARD_' + vs[vn] + '' + j + '_COUNT)';

}

console.log(vsGroup);

（getAnswerCode 保留為字符串，只是為了顯示調用的外觀）

反對回復 2022-08-27

暮色呼如

TA貢獻1853條經驗獲得超9個贊

如果您創建一個代碼數組，則可以將其映射到答案，如下所示：

const codesINeed = ["INBOARD_111_COUNT", "INBOARD_112_COUNT"];// (etc)

const answerCodes = codesINeed.map(getAnswerCode);

// answerCodes is an array of answer codes with the same order as codesINeed

反對回復 2022-08-27

交互式愛情

TA貢獻1712條經驗獲得超3個贊

你可以像這樣創建一個數組：

let vs_group =

[

{

"name": "V1_IC11",

"value": "INBOARD_111_COUNT"

{

"name": "V1_IC12",

"value": "INBOARD_112_COUNT"

}

...

]

反對回復 2022-08-27

喵喵時光機

TA貢獻1846條經驗獲得超7個贊

您可以將所有代碼放在一個數組中，并對其進行映射，以為每個代碼創建一個對象，并具有代碼和相關答案。這樣，您就不會忘記哪個答案與哪個代碼一起使用。

// sample function for demo

function getAnswerCode(x) {

return "answer for " + x;

}

const codes = ['INBOARD_111_COUNT',

'INBOARD_112_COUNT',

'INBOARD_113_COUNT'] // and the rest

const answers = codes.map(code => { return { code, answer: getAnswerCode(code) }})

console.log(answers);

// You can later get what you need using filter:

const answerFor112 = answers.filter(a => a.code === 'INBOARD_112_COUNT')[0].answer;

console.log("Sample answer requested: " + answerFor112);

反對回復 2022-08-27

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將巨大的 if 語句變量重構為數組

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