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Co-authored-by: Cursor <cursoragent@cursor.com>
155 lines
3.7 KiB
TypeScript
155 lines
3.7 KiB
TypeScript
/**
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* 分数格式化工具
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*
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* 用于在前端显示分数时进行格式化，避免显示过长的小数
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*/
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/**
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* 格式化分数显示
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*
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* @param score 分数
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* @param decimalPlaces 小数位数，默认1位
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* @returns 格式化后的分数字符串
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*
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* @example
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* formatScore(16.666666) // "16.7"
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* formatScore(17) // "17"
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* formatScore(16.5, 0) // "17"
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*/
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export function formatScore(score: number, decimalPlaces: number = 1): string {
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// 如果是整数，直接返回
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if (Number.isInteger(score)) {
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return score.toString()
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}
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// 四舍五入到指定小数位
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const rounded = Number(score.toFixed(decimalPlaces))
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// 如果四舍五入后是整数，去掉小数点
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if (Number.isInteger(rounded)) {
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return rounded.toString()
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}
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return rounded.toFixed(decimalPlaces)
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}
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/**
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* 格式化分数显示（带单位）
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*
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* @param score 分数
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* @param unit 单位，默认"分"
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* @returns 格式化后的分数字符串
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*
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* @example
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* formatScoreWithUnit(16.7) // "16.7分"
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* formatScoreWithUnit(100) // "100分"
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*/
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export function formatScoreWithUnit(score: number, unit: string = '分'): string {
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return `${formatScore(score)}${unit}`
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}
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/**
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* 格式化百分比
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*
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* @param value 值（0-1 或 0-100）
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* @param isPercent 是否已经是百分比形式（0-100），默认false
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* @returns 格式化后的百分比字符串
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*
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* @example
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* formatPercent(0.8567) // "85.7%"
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* formatPercent(85.67, true) // "85.7%"
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*/
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export function formatPercent(value: number, isPercent: boolean = false): string {
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const percent = isPercent ? value : value * 100
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return `${formatScore(percent)}%`
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}
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/**
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* 计算及格分数
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*
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* @param totalScore 总分
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* @param passRate 及格率，默认0.6
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* @returns 及格分数（向上取整）
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*/
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export function calculatePassScore(totalScore: number, passRate: number = 0.6): number {
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return Math.ceil(totalScore * passRate)
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}
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/**
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* 判断是否及格
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*
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* @param score 得分
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* @param passScore 及格分数
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* @returns 是否及格
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*/
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export function isPassed(score: number, passScore: number): boolean {
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return score >= passScore
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}
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/**
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* 获取分数等级
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*
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* @param score 得分
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* @param totalScore 总分
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* @returns 等级: 'excellent' | 'good' | 'pass' | 'fail'
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*/
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export function getScoreLevel(score: number, totalScore: number): 'excellent' | 'good' | 'pass' | 'fail' {
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const ratio = score / totalScore
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if (ratio >= 0.9) return 'excellent'
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if (ratio >= 0.75) return 'good'
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if (ratio >= 0.6) return 'pass'
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return 'fail'
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}
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/**
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* 获取分数等级对应的颜色
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*
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* @param level 等级
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* @returns 颜色值
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*/
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export function getScoreLevelColor(level: 'excellent' | 'good' | 'pass' | 'fail'): string {
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const colors = {
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excellent: '#67c23a', // 绿色
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good: '#409eff', // 蓝色
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pass: '#e6a23c', // 橙色
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fail: '#f56c6c', // 红色
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}
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return colors[level]
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}
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/**
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* 智能分配分数（前端预览用）
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*
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* @param totalScore 总分
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* @param questionCount 题目数量
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* @returns 分数数组
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*
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* @example
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* distributeScores(100, 6) // [17, 17, 17, 17, 16, 16]
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*/
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export function distributeScores(totalScore: number, questionCount: number): number[] {
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if (questionCount <= 0) return []
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const baseScore = Math.floor(totalScore / questionCount)
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const extraCount = totalScore % questionCount
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const scores: number[] = []
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for (let i = 0; i < questionCount; i++) {
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scores.push(i < extraCount ? baseScore + 1 : baseScore)
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}
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return scores
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}
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export default {
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formatScore,
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formatScoreWithUnit,
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formatPercent,
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calculatePassScore,
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isPassed,
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getScoreLevel,
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getScoreLevelColor,
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distributeScores,
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}
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