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57 lines
1.6 KiB
57 lines
1.6 KiB
3 months ago
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/* 使用策略模式、消除if else语句
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* 若等级规则增加、给scoreStrategies数组添加对象即可 所有和等级相关的都会随之更改
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* 食用方式：
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* const { level, equity} = getLevel(score)
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* level:等级 equity:权益
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*/
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export const scoreStrategies = [
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{ minScore: 5000, level: "4" },
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{ minScore: 2000, level: "3" },
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{ minScore: 500, level: "2" },
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{ minScore: 100, level: "1" },
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{ minScore: 0, level: "0" },
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];
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export const gradeEquity = function (level) {
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return `${level * 1 === 0 ? "无门槛" : "V" + level}`;
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};
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export function getLevel(score) {
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for (let i = 0; i < scoreStrategies.length; i++) {
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if (score >= scoreStrategies[i].minScore) {
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return {
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level: scoreStrategies[i].level,
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equity: gradeEquity(`${scoreStrategies[i].level}`),
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};
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}
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}
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console.error(`score=${score},无法确定等级`);
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return "无法确定等级";
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/*
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strategyV1: function (score) {
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return score >= 0 && score <= 600 ? "V1" : null;
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},
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strategyV2: function (score) {
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return score >= 0 && score <= 600 ? "V1" : null;
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},
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strategyV3: function (score) {
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return score >= 0 && score <= 600 ? "V1" : null;
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},
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strategyV4: function (score) {
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return score >= 0 && score <= 600 ? "V1" : null;
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},
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};
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*/
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// const levelMap = {};
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// for (let strategy in scoreStrategies) {
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// const level = scoreStrategies(strategy)(score);
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// if (level) {
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// return level;
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// }
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// }
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// console.error(`score=${score},无法确定等级`);
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// return "无法确定等级";
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}
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