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98 lines
2.6 KiB
98 lines
2.6 KiB
// 答题数据本地存储工具
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const EXAM_STORAGE_KEY = 'exam_answers_data'
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const examStorage = {
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// 保存答题数据
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saveAnswer: function(examType, questionId, value) {
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try {
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let examData = uni.getStorageSync(EXAM_STORAGE_KEY) || {}
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// 确保examType存在
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if (!examData[examType]) {
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examData[examType] = {}
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}
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// 保存答案
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examData[examType][questionId] = {
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value: value,
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timestamp: Date.now()
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}
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uni.setStorageSync(EXAM_STORAGE_KEY, examData)
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} catch (error) {
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console.error('保存答题数据失败:', error)
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}
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},
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// 获取答题数据
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getAnswer: function(examType, questionId) {
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try {
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let examData = uni.getStorageSync(EXAM_STORAGE_KEY) || {}
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if (examData[examType] && examData[examType][questionId]) {
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return examData[examType][questionId].value
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}
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return null
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} catch (error) {
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console.error('获取答题数据失败:', error)
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return null
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}
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},
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// 获取某个考试类型的所有答题数据
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getAllAnswers: function(examType) {
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try {
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let examData = uni.getStorageSync(EXAM_STORAGE_KEY) || {}
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return examData[examType] || {}
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} catch (error) {
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console.error('获取所有答题数据失败:', error)
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return {}
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}
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},
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// 清除某个考试类型的答题数据
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clearExamAnswers: function(examType) {
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try {
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let examData = uni.getStorageSync(EXAM_STORAGE_KEY) || {}
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if (examData[examType]) {
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delete examData[examType]
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uni.setStorageSync(EXAM_STORAGE_KEY, examData)
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}
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} catch (error) {
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console.error('清除答题数据失败:', error)
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}
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},
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// 清除所有答题数据
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clearAllAnswers: function() {
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try {
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uni.removeStorageSync(EXAM_STORAGE_KEY)
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} catch (error) {
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console.error('清除所有答题数据失败:', error)
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}
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},
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// 检查答题数据是否过期（可选功能，比如24小时后过期）
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isAnswerExpired: function(examType, questionId, expireHours = 24) {
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try {
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let examData = uni.getStorageSync(EXAM_STORAGE_KEY) || {}
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if (examData[examType] && examData[examType][questionId]) {
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const timestamp = examData[examType][questionId].timestamp
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const now = Date.now()
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const expireTime = expireHours * 60 * 60 * 1000 // 转换为毫秒
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return (now - timestamp) > expireTime
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}
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return true // 没有数据视为过期
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} catch (error) {
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console.error('检查答题数据过期失败:', error)
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return true
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}
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}
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}
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export default examStorage
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