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@@ -16,12 +16,12 @@
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<div @click="openCourse" class="setting">设置课程选择范围</div>
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<!-- {{courses}} -->
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<div class="set_title_list">
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- <div v-for="(item,index) in courses" class="set_title_list_item">
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+ <div v-for="(item,index) in courses" class="set_title_list_item" :key="index">
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<!-- {{ `课程名称：${item.title} 创建人：${item.username}`}} -->
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<div class="set_title_list_itemBtn el-icon-remove-outline" @click.stop="delCourse(item)"></div>
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<div class="set_title_list_itemLabel">
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- <span>课程名称：{{ coursesList.find(i=>i.courseId==item).title }}</span>
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- <span>创建人：{{ coursesList.find(i=>i.courseId==item).username }}</span>
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+ <span>课程名称：{{ coursesList.find(i=>i.courseId==item) && coursesList.find(i=>i.courseId==item).title }}</span>
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+ <span>创建人：{{ coursesList.find(i=>i.courseId==item) && coursesList.find(i=>i.courseId==item).username }}</span>
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</div>
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</div>
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</div>
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