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https://codeup.aliyun.com/67762337eccfc218f6110e0e/vue/learning-system-portal.git
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调试
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@@ -1,29 +1,29 @@
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<template>
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<div class="tag-container">
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<el-select style="width: 100%;"
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v-model="selectedTags"
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multiple
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filterable
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value-key="id"
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remote
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reserve-keyword
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:remote-method="debouncedSearch"
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:loading="loading"
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:placeholder="'回车创建新标签'"
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@remove-tag="handleTagRemove"
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@change="handleSelectionChange"
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@keyup.enter.native="handleEnterKey"
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@keyup.delete.native="handleDeleteKey"
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@focus="handleFocus"
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ref="tagSelect"
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v-model="selectedTags"
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multiple
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filterable
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value-key="id"
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remote
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reserve-keyword
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:remote-method="debouncedSearch"
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:loading="loading"
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:placeholder="'回车创建新标签'"
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@remove-tag="handleTagRemove"
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@change="handleSelectionChange"
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@keyup.enter.native="handleEnterKey"
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@keyup.delete.native="handleDeleteKey"
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@focus="handleFocus"
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ref="tagSelect"
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>
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<el-option
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v-for="item in searchResults"
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:key="item.id"
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:label="item.tagName"
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:value="item"
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:disabled="isTagDisabled(item)"
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:disabled="item.isTip || isTagDisabled(item)"
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:class="{'tip-item': item.isTip}"
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/>
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</el-select>
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<!-- 添加标签计数显示 -->
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@@ -154,12 +154,7 @@ export default {
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this.selectedTags = this.selectedTags.filter(id => id !== tagId)
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this.$emit('change', this.displayTags)
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// 清空输入框内容
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if (this.$refs.tagSelect) {
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const input = this.$refs.tagSelect.$refs.input
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if (input) {
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input.value = ''
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}
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}
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this.clearInput();
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},
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removeTag(tagId) {
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this.handleTagRemove(tagId)
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@@ -184,8 +179,11 @@ export default {
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event.target.value = '';
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return;
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}
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if (!this.searchResults.length && inputVal && this.selectedTags.length < this.maxTags) {
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this.createNewTag(event.target.value.trim())
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// 检查是否有真实的搜索结果(排除提示项)
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const hasRealResults = this.searchResults.some(item => !item.isTip);
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if (!hasRealResults && inputVal && this.selectedTags.length < this.maxTags) {
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this.createNewTag(inputVal.trim())
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event.target.value = ''
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} else if (this.selectedTags.length >= this.maxTags) {
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this.$message.warning('最多只能添加5个标签')
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@@ -195,7 +193,7 @@ export default {
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}
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},
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// 新增:处理选择变化事件
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// 新增:处理选择变化事件(修改:添加输入框清空逻辑)
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handleSelectionChange(newValues) {
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// 检查数量限制
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if (newValues.length > this.maxTags) {
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@@ -209,15 +207,23 @@ export default {
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this.previousTags = [...newValues];
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this.$emit('change', this.displayTags);
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// 调整2:选择标签后清空输入框
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this.clearInput();
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},
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// 新增:清空输入框方法
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clearInput() {
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if (this.$refs.tagSelect) {
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const input = this.$refs.tagSelect.$refs.input;
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if (input) {
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input.value = '';
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// 触发输入事件以确保组件状态同步
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input.dispatchEvent(new Event('input'));
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}
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}
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},
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//创建新标签
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//创建新标签(修改:创建成功后清空输入框)
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async createNewTag(tagName) {
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// 标签不能超过八个字
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if (tagName.length > 8) {
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@@ -261,24 +267,23 @@ export default {
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console.log("----------newTag---------->",this.searchResults)
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this.tagMap.set(newTag.id, newTag)
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this.$emit('change', this.displayTags)
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// 调整2:创建标签成功后清空输入框
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this.clearInput();
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} finally {
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this.loading = false
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}
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},
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// 修改doSearch方法,添加搜索结果为空时的提示
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// 修改doSearch方法,添加搜索结果为空时的提示(调整1:在下拉列表中显示提示)
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async doSearch(query) {
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// 不再在空查询时清空搜索结果
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// if (!query.trim()) {
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// this.searchResults = []
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// return
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// }
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console.log("---- doSearch ------ query = " + query )
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this.loading = true
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try {
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// 获取 typeId:取 sysTypeList 最后一个有效的值
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// 获取 typeId:取 sysTypeList 最后一个有效的值
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const typeId = this.sysTypeList.length > 2 ? this.sysTypeList[2] :
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this.sysTypeList.length > 1 ? this.sysTypeList[1] :
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this.sysTypeList.length > 0 ? this.sysTypeList[0] : null;
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this.sysTypeList.length > 1 ? this.sysTypeList[1] :
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this.sysTypeList.length > 0 ? this.sysTypeList[0] : null;
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console.log("---- doSearch searchTags ------ query = " + query + " , typeId = " + typeId )
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const {result:tags} = await apiCourseTag.searchTags({tagName:query,typeId:typeId})
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console.log("-- searchTags 查询结果 tags = " + tags )
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@@ -286,10 +291,16 @@ export default {
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tags.forEach(item => {
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this.tagMap.set(item.id, item)
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})
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this.searchResults = tags
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// 当搜索结果为空时,提示用户可以按回车键创建标签
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if (tags.length === 0) {
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this.$message.info('无此标签,按回车键创建')
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// 调整1:当搜索结果为空且查询关键词不为空时,在下拉列表中显示提示信息
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if (tags.length === 0 && query.trim() !== '') {
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this.searchResults = [{
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id: 'no-result-tip',
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tagName: '无此标签,按回车键创建',
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isTip: true // 标记为提示项,不是真实标签
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}];
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} else {
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this.searchResults = tags
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}
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} finally {
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this.loading = false
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@@ -323,4 +334,15 @@ export default {
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padding: 0 5px;
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pointer-events: none;
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}
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/* 提示项的特殊样式 */
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::v-deep .tip-item {
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color: #999 !important;
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font-style: italic !important;
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cursor: default !important;
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}
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::v-deep .tip-item:hover {
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background-color: transparent !important;
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}
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</style>
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