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				+# 2.课程学习功能模块: 
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				+描述:生成学习思维导图,自动跟踪记录学习进度,记录用户的学习时间、知识点学习情况等信息,并通过数据可视化库将这些数据转化为进度条、饼图、学习日历等直观的展示形式,方便用户查看 
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				+# 表设计 
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				+根据您的需求,我们可以设计一个符合设计范式的Parse Schema,包括学习思维导图、学习进度跟踪等相关表。以下是各个表的设计及其字段名称,使用PlantUML类图表示。 
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				+ 
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				+ 
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				+ 
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				+<h2>思维导图表 (MindMap)<h3> 
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				+ 
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				+<br>objectId (String) 
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				+<br>createdAt (String) 
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				+<br>title (String) - 思维导图标题 
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				+<br>description (String) - 思维导图描述 
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				+<br>user (Pointer) - 创建者(用户) 
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				+<br>knowledgePoints (Array) - 关联的知识点 
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				+ 
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				+<h2>知识点表 (KnowledgePoint)<h3> 
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				+ 
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				+<br>objectId (String) 
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				+<br>createdAt (String) 
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				+<br>name (String) - 知识点名称 
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				+<br>content (String) - 知识点内容 
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				+<br>mindMap (Pointer) - 关联的思维导图 
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				+<br>prerequisites (Array) - 先修知识点 
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				+ 
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				+<h2>用户表 (User)<h3> 
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				+ 
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				+<br>objectId (String) 
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				+<br>createdAt (String) 
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				+<br>username (String) - 用户名 
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				+<br>email (String) - 用户邮箱 
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				+<br>learningProgress (Array) - 关联的学习进度 
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				+ 
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				+<h2>学习进度表 (LearningProgress)<h3> 
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				+ 
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				+<br>objectId (String) 
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				+<br>createdAt (String) 
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				+<br>user (Pointer) - 用户 
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				+<br>knowledgePoint (Pointer) - 学习的知识点 
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				+<br>studyTime (Number) - 学习时间(分钟) 
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				+<br>completionStatus (Boolean) - 完成状态 
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				+<br>date (Date) - 学习日期 
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				+ 
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				+<h2>数据可视化表 (Visualization)<h3> 
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				+ 
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				+<br>objectId (String) 
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				+<br>createdAt (String) 
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				+<br>user (Pointer) - 用户 
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				+<br>type (String) - 可视化类型(如:进度条、饼图、学习日历等) 
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				+<br>data (JSON) - 可视化数据 
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				+ 
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				+### PlantUML 类图表示 
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				+ 
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				+以下是上述表的PlantUML类图表示: 
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				+ 
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				+```plantuml 
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				+@startuml 
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				+ 
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				+class MindMap { 
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				+    +objectId: String 
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				+    +createdAt: Date 
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				+    +title: String 
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				+    +description: String 
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				+    +user: Pointer<User> 
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				+    +knowledgePoints: Array<Pointer<KnowledgePoint>> 
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				+} 
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				+ 
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				+class KnowledgePoint { 
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				+    +objectId: String 
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				+    +createdAt: Date 
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				+    +name: String 
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				+    +content: String 
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				+    +mindMap: Pointer<MindMap> 
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				+    +prerequisites: Array<Pointer<KnowledgePoint>> 
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				+} 
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				+ 
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				+class User { 
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				+    +objectId: String 
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				+    +createdAt: Date 
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				+    +username: String 
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				+    +email: String 
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				+    +learningProgress: Array<Pointer<LearningProgress>> 
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				+} 
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				+ 
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				+class LearningProgress { 
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				+    +objectId: String 
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				+    +createdAt: Date 
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				+    +user: Pointer<User> 
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				+    +knowledgePoint: Pointer<KnowledgePoint> 
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				+    +studyTime: Number 
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				+    +completionStatus: Boolean 
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				+    +date: Date 
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				+} 
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				+ 
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				+class Visualization { 
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				+    +objectId: String 
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				+    +createdAt: Date 
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				+    +user: Pointer<User> 
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				+    +type: String 
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				+    +data: JSON 
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				+} 
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				+ 
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				+MindMap "1" -- "*" KnowledgePoint : contains 
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				+User "1" -- "*" LearningProgress : tracks 
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				+LearningProgress "*" -- "1" KnowledgePoint : studies 
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				+User "1" -- "*" Visualization : generates 
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				+ 
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				+@enduml 
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				+``` 
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				+# 说明 
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				+<br>1.每个表都有默认的 objectId 和 createdAt 字段。 
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				+<br>2.表之间的关系通过Pointer表示,以确保数据的规范性和完整性。 
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				+<br>3.设计遵循了数据库的规范化原则,避免了数据冗余。 
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				+ 
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				+# 二、业务逻辑描述 
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				+**课程学习的完整逻辑**: 
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				+用户在APP内,通过文本生成学习流程后,再根据流程绘制思维导图完成整个学习计划 
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				+<br>**数据来源** 
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				+<br>用户输入:用户的学习需求等 
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				+<br>**文本生成** 
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				+<br>提示词:兴趣学习计划生成提示词 
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				+<br>**结果存储**:StudyPlan 
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				+<br>**学习目标** knowledgePoints 知识点 
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				+<br>**计划详情** content 完整学习内容 
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				+<br>根据学习计划结果,排期生成任务 
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				+<br>**生成结果**:learningList 
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				+<br>**循环数组**:向LearningProgress表逐个插入数据。 
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				+## 以下是一个针对学习目标为“摄影”的 `LearningProgress` 表结构的 JSON 格式测试数据数组示例: 
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				+ 
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				+```json 
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				+[ 
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				+    { 
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				+        "objectId": "lp1", 
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				+        "createdAt": "2024-12-01T10:00:00Z", 
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				+        "user": { "pointer": "user1" }, 
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				+        "knowledgePoint": { "pointer": "kp1" }, 
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				+        "studyTime": 120, 
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				+        "completionStatus": true, 
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				+        "date": "2024-12-01" 
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				+    }, 
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				+    { 
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				+        "objectId": "lp2", 
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				+        "createdAt": "2024-12-02T10:00:00Z", 
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				+        "user": { "pointer": "user1" }, 
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				+        "knowledgePoint": { "pointer": "kp2" }, 
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				+        "studyTime": 90, 
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				+        "completionStatus": false, 
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				+        "date": "2024-12-02" 
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				+    }, 
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				+    { 
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				+        "objectId": "lp3", 
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				+        "createdAt": "2024-12-03T10:00:00Z", 
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				+        "user": { "pointer": "user1" }, 
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				+        "knowledgePoint": { "pointer": "kp3" }, 
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				+        "studyTime": 150, 
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				+        "completionStatus": true, 
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				+        "date": "2024-12-03" 
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				+    }, 
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				+    { 
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				+        "objectId": "lp4", 
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				+        "createdAt": "2024-12-04T10:00:00Z", 
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				+        "user": { "pointer": "user1" }, 
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				+        "knowledgePoint": { "pointer": "kp4" }, 
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				+        "studyTime": 60, 
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				+        "completionStatus": false, 
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				+        "date": "2024-12-04" 
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				+    }, 
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				+    { 
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				+        "objectId": "lp5", 
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				+        "createdAt": "2024-12-05T10:00:00Z", 
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				+        "user": { "pointer": "user1" }, 
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				+        "knowledgePoint": { "pointer": "kp5" }, 
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				+        "studyTime": 180, 
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				+        "completionStatus": true, 
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				+        "date": "2024-12-05" 
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				+    } 
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				+] 
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				+``` 
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				+ 
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				+在这个示例中,`user` 字段指向一个用户(`user1`),`knowledgePoint` 字段指向不同的知识点(`kp1`, `kp2`, `kp3`, `kp4`, `kp5`),每个学习进度记录了学习时间、完成状态和日期。您可以根据实际需求调整这些数据。 
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				+ 
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				+## 以下是基于您提供的课程学习完整逻辑的 PlantUML 时序图代码。您可以将此代码粘贴到任何支持 PlantUML 的工具中,以生成时序图。 
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				+ 
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				+```plantuml 
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				+@startuml 
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				+actor User 
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				+participant "学习需求输入" as Input 
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				+participant "文本生成模块" as TextGen 
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				+participant "学习计划存储" as StudyPlan 
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				+participant "思维导图生成" as MindMap 
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				+participant "任务排期生成" as TaskScheduler 
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				+participant "学习进度表" as LearningProgress 
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				+ 
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				+User -> Input : 输入学习需求 
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				+Input -> TextGen : 生成学习计划 
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				+TextGen -> StudyPlan : 存储学习计划 
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				+StudyPlan -> MindMap : 绘制思维导图 
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				+MindMap -> User : 提供思维导图 
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				+User -> TaskScheduler : 根据学习计划生成任务 
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				+TaskScheduler -> LearningProgress : 向学习进度表插入数据 
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				+ 
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				+@enduml 
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				+``` 
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				+ 
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				+### 时序图说明: 
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				+1. **用户输入学习需求**:用户在应用程序内输入他们的学习需求。 
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				+2. **文本生成模块**:接收用户输入并生成学习计划。 
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				+3. **学习计划存储**:将生成的学习计划存储在 `StudyPlan` 中。 
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				+4. **思维导图生成**:根据学习计划绘制思维导图。 
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				+5. **用户获取思维导图**:用户查看生成的思维导图。 
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				+6. **任务排期生成**:用户根据学习计划生成具体任务。 
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				+7. **学习进度表**:将生成的任务逐个插入到 `LearningProgress` 表中。 
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				+ 
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