2022年5月29日从svn移到git

src/utils/study.js

@@ -0,0 +1,58 @@
+/**
+ * 用于处理，记录 学习的情况
+ */
+const studyDurationKey='xus_duration';
+const studyVideoKeyPre='xus_video';
+
+/**
+ * 设置视频的播放时间
+ * @param {} courseId
+ * @param {*} time
+ */
+const setVideoTime=function(courseId,time){
+  localStorage.setItem(studyVideoKeyPre+'_'+courseId,time);
+}
+
+/**
+ * 设置本地存储的学习时长
+ */
+const setStudyDuration=function(duration){
+  //console.log(duration,'设置时长');
+  localStorage.setItem(studyDurationKey,duration);
+}
+
+/**
+ * 清除本地记录的学习时长
+ */
+const clearStudyDuration=function(){
+  localStorage.setItem(studyDurationKey,0);
+}
+
+const getStudyDuration=function(){
+  let speedValue=localStorage.getItem(studyDurationKey);
+  if(speedValue){
+    //console.log(speedValue,'speedValue');
+    return Number(speedValue);
+  }else{
+    return 0;
+  }
+}
+/**
+ * 追加学习时长
+ * @param Number duration  学习时长(秒)
+ */
+const appendStudyDuration=function(duration){
+  let speedValue=localStorage.getItem(studyDurationKey);
+  if(speedValue){
+    localStorage.setItem(studyDurationKey,Number(speedValue)+duration);
+  }else{
+    localStorage.setItem(studyDurationKey,duration);
+  }
+}
+
+export default {
+  getStudyDuration,
+  setStudyDuration,
+  clearStudyDuration,
+  appendStudyDuration
+}