81 lines
1.9 KiB
Plaintext
81 lines
1.9 KiB
Plaintext
/**
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* 答题状态（顺序练习 / 答题卡共用）
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* 用 reassign 方式更新数组，保证 uvue 下响应式可靠触发。
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*/
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import { reactive } from 'vue'
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import { quizQuestions } from '@/mock/index.uts'
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export type HrQuizState = {
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/** 每题已选选项下标，-1 表示未作答 */
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answers : number[]
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/** 是否标记 */
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marked : boolean[]
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/** 当前题号（从 0 开始） */
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current : number
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/** 是否已交卷 */
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submitted : boolean
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}
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function emptyAnswers() : number[] {
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const arr : number[] = []
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for (let i = 0; i < quizQuestions.length; i++) { arr.push(-1) }
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return arr
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}
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function emptyMarks() : boolean[] {
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const arr : boolean[] = []
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for (let i = 0; i < quizQuestions.length; i++) { arr.push(false) }
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return arr
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}
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export const quizState = reactive({
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answers: emptyAnswers(),
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marked: emptyMarks(),
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current: 0,
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submitted: false
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} as HrQuizState)
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/** 设置某题答案 */
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export function setAnswer(index : number, option : number) : void {
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const arr : number[] = []
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for (let i = 0; i < quizState.answers.length; i++) {
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arr.push(i == index ? option : quizState.answers[i])
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}
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quizState.answers = arr
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}
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/** 切换标记 */
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export function toggleMark(index : number) : void {
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const arr : boolean[] = []
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for (let i = 0; i < quizState.marked.length; i++) {
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arr.push(i == index ? !quizState.marked[i] : quizState.marked[i])
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}
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quizState.marked = arr
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}
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/** 已答数量 */
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export function answeredCount() : number {
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let n = 0
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for (let i = 0; i < quizState.answers.length; i++) {
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if (quizState.answers[i] >= 0) { n++ }
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}
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return n
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}
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/** 标记数量 */
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export function markedCount() : number {
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let n = 0
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for (let i = 0; i < quizState.marked.length; i++) {
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if (quizState.marked[i]) { n++ }
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}
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return n
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}
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/** 重置 */
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export function resetQuiz() : void {
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quizState.answers = emptyAnswers()
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quizState.marked = emptyMarks()
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quizState.current = 0
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quizState.submitted = false
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}
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