|  | @@ -16,7 +16,7 @@
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				|  |  |            />
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				|  |  |          </div>
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				|  |  |        </div>
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				|  |  | -      <div id="data-screen" class="inner">
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				|  |  | +      <div id="data-screen" class="inner" v-if="chapterFree=='true'||bookIsBuy=='true'">
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				|  |  |          <!-- 显示答案按钮 -->
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				|  |  |          <!-- <a v-if="chapterId" :class="['answerShow',isAnswerShow?'answerShowTrue':'']" @click="handleAnswerShow">显示答案</a> -->
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				|  |  |          <!-- <a class="edit-btn" @click="handleEdit">编辑</a> -->
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				|  | @@ -91,7 +91,7 @@
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				|  |  |  </template>
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				|  |  |  
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				|  |  |  <script>
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				|  |  | -import TreeView from "@/components/inputModules/common/TreeView";
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				|  |  | +import TreeView from "@/components/inputModules/common/TreeView.vue";
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				|  |  |  import { getContent } from "@/api/ajax";
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				|  |  |  import Cookies from "js-cookie";
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				|  |  |  // import Preview from '@/componentsAnswer/PreviewAnswer.vue'
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				|  | @@ -120,6 +120,7 @@ export default {
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				|  |  |        category: "",
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				|  |  |        FatherTreeData: null,
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				|  |  |        themeColor: "",
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				|  |  | +      chapterFree: 'false', // 课件免费观看
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				|  |  |      };
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				|  |  |    },
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				|  |  |    mounted() {
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				|  | @@ -139,6 +140,7 @@ export default {
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				|  |  |        _this.chapterId = id;
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				|  |  |        _this.chapterName = name;
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				|  |  |        _this.isAnswerShow = false;
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				|  |  | +      _this.chapterFree = free;
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				|  |  |        _this.onGetData();
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				|  |  |        if (!_this.treeFlag) {
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				|  |  |          _this.fullTree = false;
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