Merge pull request #2342 from nekodevelopers/master

#8 #6 #3 #818 实验七
hzuapps · Apr 11, 2020 · a64269f · a64269f
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diff --git a/students/1714080902233/addClass.jpg b/students/1714080902233/addClass.jpg
diff --git a/students/1714080902233/addaSequenceDiagram.jpg b/students/1714080902233/addaSequenceDiagram.jpg
diff --git a/students/1714080902233/delClass.jpg b/students/1714080902233/delClass.jpg
diff --git a/students/1714080902233/delSequenceDiagram.jpg b/students/1714080902233/delSequenceDiagram.jpg
diff --git a/students/1714080902233/delstate.jpg b/students/1714080902233/delstate.jpg
diff --git a/students/1714080902233/lab7.md b/students/1714080902233/lab7.md
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+# 实验七：状态建模
+
+## 一、实验目标
+
+1. 掌握对象状态建模。
+
+## 二、实验内容
+
+1. 理解对象的概念；
+2. 理解状态的概念；
+3. 学习状态图的画法。
+
+## 三、实验步骤
+
+1. 找出关键对象：应用
+
+2. 设计该对象的关键状态：
+   - 将要删除的
+   - 加锁成功的
+   - 加锁失败的
+   - 删除成功的
+3. 描述状态间的转变条件
+
+## 四、实验结果
+
+应用状态图：
+
+应用删除时需要加锁防止重复删除，只有加锁成功的才能获取到线程进行删除操作，删除时会反馈一个删除状态表明成功失败
+
+![删除应用状态图](./delstate.jpg)  
diff --git a/students/1714080902233/wakeClass.jpg b/students/1714080902233/wakeClass.jpg
diff --git a/students/1714080902233/wakeSequenceDiagram.jpg b/students/1714080902233/wakeSequenceDiagram.jpg