From 41c21552d609d943b9780d20af26a68f99d273d2 Mon Sep 17 00:00:00 2001
From: maxy26 <maxy26@lenovo.com>
Date: Sun, 17 Feb 2019 15:48:59 +0800
Subject: [PATCH] upload obServer

---
 .idea/compiler.xml                            |  13 +
 .idea/encodings.xml                           |   6 +
 .idea/inspectionProfiles/Project_Default.xml  |  36 ++
 .idea/misc.xml                                |  20 +
 .idea/uiDesigner.xml                          | 124 ++++
 .idea/vcs.xml                                 |   6 +
 .idea/workspace.xml                           | 598 ++++++++++++++++++
 pom.xml                                       | 122 ++++
 src/main/com/mxy/design/observer/MAIN.java    |  27 +
 .../com/mxy/design/observer/ObServer.java     |   9 +
 .../mxy/design/observer/WeChatSubject.java    |  24 +
 .../design/observer/WeChatSubjectImpl.java    |  47 ++
 .../com/mxy/design/observer/WeChatUser.java   |  54 ++
 src/main/webapp/WEB-INF/web.xml               |   7 +
 src/main/webapp/index.jsp                     |   5 +
 .../com/mxy/design/observer/MAIN.class        | Bin 0 -> 982 bytes
 .../com/mxy/design/observer/ObServer.class    | Bin 0 -> 162 bytes
 .../mxy/design/observer/WeChatSubject.class   | Bin 0 -> 270 bytes
 .../design/observer/WeChatSubjectImpl.class   | Bin 0 -> 3149 bytes
 .../com/mxy/design/observer/WeChatUser.class  | Bin 0 -> 1665 bytes
 target/classes/webapp/WEB-INF/web.xml         |   7 +
 target/classes/webapp/index.jsp               |   5 +
 22 files changed, 1110 insertions(+)
 create mode 100644 .idea/compiler.xml
 create mode 100644 .idea/encodings.xml
 create mode 100644 .idea/inspectionProfiles/Project_Default.xml
 create mode 100644 .idea/misc.xml
 create mode 100644 .idea/uiDesigner.xml
 create mode 100644 .idea/vcs.xml
 create mode 100644 .idea/workspace.xml
 create mode 100644 pom.xml
 create mode 100644 src/main/com/mxy/design/observer/MAIN.java
 create mode 100644 src/main/com/mxy/design/observer/ObServer.java
 create mode 100644 src/main/com/mxy/design/observer/WeChatSubject.java
 create mode 100644 src/main/com/mxy/design/observer/WeChatSubjectImpl.java
 create mode 100644 src/main/com/mxy/design/observer/WeChatUser.java
 create mode 100644 src/main/webapp/WEB-INF/web.xml
 create mode 100644 src/main/webapp/index.jsp
 create mode 100644 target/classes/com/mxy/design/observer/MAIN.class
 create mode 100644 target/classes/com/mxy/design/observer/ObServer.class
 create mode 100644 target/classes/com/mxy/design/observer/WeChatSubject.class
 create mode 100644 target/classes/com/mxy/design/observer/WeChatSubjectImpl.class
 create mode 100644 target/classes/com/mxy/design/observer/WeChatUser.class
 create mode 100644 target/classes/webapp/WEB-INF/web.xml
 create mode 100644 target/classes/webapp/index.jsp

diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..854cfdb
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="DesignPatterns" />
+      </profile>
+    </annotationProcessing>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 0000000..b26911b
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 0000000..6560a98
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,36 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="JavaDoc" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="TOP_LEVEL_CLASS_OPTIONS">
+        <value>
+          <option name="ACCESS_JAVADOC_REQUIRED_FOR" value="none" />
+          <option name="REQUIRED_TAGS" value="" />
+        </value>
+      </option>
+      <option name="INNER_CLASS_OPTIONS">
+        <value>
+          <option name="ACCESS_JAVADOC_REQUIRED_FOR" value="none" />
+          <option name="REQUIRED_TAGS" value="" />
+        </value>
+      </option>
+      <option name="METHOD_OPTIONS">
+        <value>
+          <option name="ACCESS_JAVADOC_REQUIRED_FOR" value="none" />
+          <option name="REQUIRED_TAGS" value="@return@param@throws or @exception" />
+        </value>
+      </option>
+      <option name="FIELD_OPTIONS">
+        <value>
+          <option name="ACCESS_JAVADOC_REQUIRED_FOR" value="none" />
+          <option name="REQUIRED_TAGS" value="" />
+        </value>
+      </option>
+      <option name="IGNORE_DEPRECATED" value="false" />
+      <option name="IGNORE_JAVADOC_PERIOD" value="true" />
+      <option name="IGNORE_DUPLICATED_THROWS" value="false" />
+      <option name="IGNORE_POINT_TO_ITSELF" value="false" />
+      <option name="myAdditionalJavadocTags" value="date" />
+    </inspection_tool>
+  </profile>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..a940d24
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="FrameworkDetectionExcludesConfiguration">
+    <file type="web" url="file://$PROJECT_DIR$" />
+  </component>
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+  <component name="ThriftCompiler">
+    <compilers />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml
new file mode 100644
index 0000000..e96534f
--- /dev/null
+++ b/.idea/uiDesigner.xml
@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
+      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
+      </item>
+      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.png" removable="false" auto-create-binding="false" can-attach-label="true">
+        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
+        <initial-values>
+          <property name="text" value="Button" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="RadioButton" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="CheckBox" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="Label" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.png" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
+          <preferred-size width="-1" height="20" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.png" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..d217914
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/DesignPatterns" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..ab9e0f0
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,598 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="12a56996-6c64-441a-b128-9ed50c92e420" name="Default Changelist" comment="" />
+    <ignored path="$PROJECT_DIR$/target/" />
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FUSProjectUsageTrigger">
+    <session id="-1498810789">
+      <usages-collector id="statistics.lifecycle.project">
+        <counts>
+          <entry key="project.open.time.12" value="1" />
+          <entry key="project.open.time.4" value="1" />
+          <entry key="project.opened" value="2" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.extensions.edit">
+        <counts>
+          <entry key="java" value="1190" />
+          <entry key="xml" value="11" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.types.edit">
+        <counts>
+          <entry key="JAVA" value="1190" />
+          <entry key="XML" value="11" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.extensions.open">
+        <counts>
+          <entry key="java" value="19" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.types.open">
+        <counts>
+          <entry key="JAVA" value="19" />
+        </counts>
+      </usages-collector>
+    </session>
+  </component>
+  <component name="FileEditorManager">
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/src/main/com/mxy/design/observer/MAIN.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="200">
+              <caret line="10" column="20" selection-start-line="10" selection-start-column="20" selection-end-line="10" selection-end-column="20" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/com/mxy/design/observer/WeChatSubjectImpl.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="600">
+              <caret line="32" column="5" lean-forward="true" selection-start-line="32" selection-start-column="5" selection-end-line="32" selection-end-column="5" />
+              <folding>
+                <element signature="e#333#334#0" expanded="true" />
+                <element signature="e#361#362#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Python Script" />
+        <option value="Class" />
+      </list>
+    </option>
+  </component>
+  <component name="FindInProjectRecents">
+    <findStrings>
+      <find>List&lt;WeChatUser&gt; userList</find>
+    </findStrings>
+    <replaceStrings>
+      <replace>WeChatUser weChatUser</replace>
+    </replaceStrings>
+  </component>
+  <component name="IdeDocumentHistory">
+    <option name="CHANGED_PATHS">
+      <list>
+        <option value="$PROJECT_DIR$/src/main/com/mxy/design/observer.java" />
+        <option value="$PROJECT_DIR$/src/main/com/mxy/design/observer/observer.java" />
+        <option value="$PROJECT_DIR$/pom.xml" />
+        <option value="$PROJECT_DIR$/src/main/com/mxy/design/observer/decorate/monitor/WeChatSubject.java" />
+        <option value="$PROJECT_DIR$/src/main/com/mxy/design/observer/ObServer.java" />
+        <option value="$PROJECT_DIR$/src/main/com/mxy/design/observer/WeChatSubject.java" />
+        <option value="$PROJECT_DIR$/src/main/com/mxy/design/observer/WeChatUser.java" />
+        <option value="$PROJECT_DIR$/src/main/com/mxy/design/observer/WeChatSubjectImpl.java" />
+        <option value="$PROJECT_DIR$/src/main/com/mxy/design/observer/MAIN.java" />
+      </list>
+    </option>
+  </component>
+  <component name="JsBuildToolGruntFileManager" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsGulpfileManager">
+    <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
+  </component>
+  <component name="MavenImportPreferences">
+    <option name="generalSettings">
+      <MavenGeneralSettings>
+        <option name="userSettingsFile" value="E:\MavenRepository\settings.xml" />
+      </MavenGeneralSettings>
+    </option>
+    <option name="importingSettings">
+      <MavenImportingSettings>
+        <option name="importAutomatically" value="true" />
+      </MavenImportingSettings>
+    </option>
+  </component>
+  <component name="PhpServers">
+    <servers />
+  </component>
+  <component name="ProjectFrameBounds" extendedState="6">
+    <option name="x" value="2549" />
+    <option name="y" value="-11" />
+    <option name="width" value="1942" />
+    <option name="height" value="1072" />
+  </component>
+  <component name="ProjectView">
+    <navigator proportions="" version="1">
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="PackagesPane" />
+      <pane id="Scope" />
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="DesignPatterns" type="b2602c69:ProjectViewProjectNode" />
+              <item name="DesignPatterns" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="DesignPatterns" type="b2602c69:ProjectViewProjectNode" />
+              <item name="DesignPatterns" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="DesignPatterns" type="b2602c69:ProjectViewProjectNode" />
+              <item name="DesignPatterns" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="DesignPatterns" type="b2602c69:ProjectViewProjectNode" />
+              <item name="DesignPatterns" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
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+    <configuration name="MAIN" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
+      <option name="MAIN_CLASS_NAME" value="com.mxy.design.observer.MAIN" />
+      <module name="DesignPatterns" />
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+      <extension name="coverage">
+        <pattern>
+          <option name="PATTERN" value="com.mxy.design.observer.*" />
+          <option name="ENABLED" value="true" />
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+      </extension>
+      <method v="2">
+        <option name="Make" enabled="true" />
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+    </configuration>
+    <configuration default="true" type="Application" factoryName="Application">
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+      <method v="2">
+        <option name="Make" enabled="true" />
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+    </configuration>
+    <configuration default="true" type="JUnit" factoryName="JUnit">
+      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
+      <method v="2">
+        <option name="Make" enabled="true" />
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+    <configuration default="true" type="TestNG" factoryName="TestNG">
+      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
+      <properties />
+      <listeners />
+      <method v="2">
+        <option name="Make" enabled="true" />
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+    <recent_temporary>
+      <list>
+        <item itemvalue="Application.MAIN" />
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+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
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+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
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+    <servers />
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+  <component name="TimeTrackingManager">
+    <option name="totallyTimeSpent" value="6194000" />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="2549" y="-11" width="1942" height="1072" extended-state="6" />
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+      <window_info anchor="bottom" id="Hybris Console" order="15" />
+      <window_info anchor="bottom" id="Tail" order="16" />
+      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
+      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+      <window_info anchor="right" id="Palette" order="3" />
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+      <window_info anchor="right" id="Palette&#9;" order="8" />
+      <window_info anchor="right" id="Theme Preview" order="9" />
+      <window_info anchor="right" id="Bean Validation" order="10" />
+    </layout-to-restore>
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="1" />
+  </component>
+  <component name="VcsContentAnnotationSettings">
+    <option name="myLimit" value="2678400000" />
+  </component>
+  <component name="XDebuggerManager">
+    <breakpoint-manager>
+      <breakpoints>
+        <line-breakpoint enabled="true" type="java-line">
+          <url>file://$PROJECT_DIR$/src/main/com/mxy/design/observer/WeChatSubjectImpl.java</url>
+          <line>30</line>
+          <properties />
+          <option name="timeStamp" value="2" />
+        </line-breakpoint>
+        <line-breakpoint enabled="true" type="java-line">
+          <url>file://$PROJECT_DIR$/src/main/com/mxy/design/observer/MAIN.java</url>
+          <line>9</line>
+          <properties />
+          <option name="timeStamp" value="4" />
+        </line-breakpoint>
+        <line-breakpoint enabled="true" suspend="THREAD" type="java-line">
+          <url>jar://E:/Java/Java1.8/src.zip!/java/io/PrintStream.java</url>
+          <line>804</line>
+          <properties />
+          <option name="timeStamp" value="5" />
+        </line-breakpoint>
+      </breakpoints>
+    </breakpoint-manager>
+  </component>
+  <component name="editorHistoryManager">
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+    </entry>
+    <entry file="file://$PROJECT_DIR$/pom.xml">
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+      <provider selected="true" editor-type-id="text-editor">
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+        <state relative-caret-position="302">
+          <caret line="525" column="16" lean-forward="true" selection-start-line="525" selection-start-column="16" selection-end-line="525" selection-end-column="16" />
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+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/com/mxy/design/observer/WeChatUser.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="125">
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+        </state>
+      </provider>
+    </entry>
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+      </provider>
+    </entry>
+    <entry file="jar://E:/Java/Java1.8/src.zip!/java/io/BufferedWriter.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="309">
+          <caret line="242" column="10" lean-forward="true" selection-start-line="242" selection-start-column="10" selection-end-line="242" selection-end-column="10" />
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+    </entry>
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+      <provider selected="true" editor-type-id="text-editor">
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+            <element signature="e#361#362#0" expanded="true" />
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+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/com/mxy/design/observer/MAIN.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="200">
+          <caret line="10" column="20" selection-start-line="10" selection-start-column="20" selection-end-line="10" selection-end-column="20" />
+        </state>
+      </provider>
+    </entry>
+  </component>
+  <component name="masterDetails">
+    <states>
+      <state key="ArtifactsStructureConfigurable.UI">
+        <settings>
+          <artifact-editor />
+          <last-edited>DesignPatterns:war</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+                <option value="0.5" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="FacetStructureConfigurable.UI">
+        <settings>
+          <last-edited>Web</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="GlobalLibrariesConfigurable.UI">
+        <settings>
+          <last-edited>Python 3.7 interpreter library</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="JdkListConfigurable.UI">
+        <settings>
+          <last-edited>1.7</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ModuleStructureConfigurable.UI">
+        <settings>
+          <last-edited>DesignPatterns</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+                <option value="0.6" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ProjectJDKs.UI">
+        <settings>
+          <last-edited>1.7</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ProjectLibrariesConfigurable.UI">
+        <settings>
+          <last-edited>Maven: junit:junit:4.11</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+    </states>
+  </component>
+</project>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..31f7351
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,122 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.maxy</groupId>
+    <artifactId>DesignPatterns</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>war</packaging>
+
+    <name>DesignPatterns Maven Webapp</name>
+    <url>http://www.example.com</url>
+
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <log4j-over-slf4j.version>1.7.21</log4j-over-slf4j.version>
+        <guava.version>18.0</guava.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.7.7</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>log4j-over-slf4j</artifactId>
+            <version>${log4j-over-slf4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.4</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>1.2.51</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.springframework/spring-aop -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-aop</artifactId>
+            <version>4.3.22.RELEASE</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.springframework/spring-core -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-core</artifactId>
+            <version>4.3.22.RELEASE</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjrt -->
+        <dependency>
+            <groupId>org.aspectj</groupId>
+            <artifactId>aspectjrt</artifactId>
+            <version>1.8.13</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.springframework/spring-context -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>4.3.22.RELEASE</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/javax.validation/validation-api -->
+        <dependency>
+            <groupId>javax.validation</groupId>
+            <artifactId>validation-api</artifactId>
+            <version>1.1.0.Final</version>
+        </dependency>
+
+    </dependencies>
+
+
+    <build>
+        <finalName>DesignPatterns</finalName>
+        <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
+            <plugins>
+                <plugin>
+                    <artifactId>maven-clean-plugin</artifactId>
+                    <version>3.1.0</version>
+                </plugin>
+                <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
+                <plugin>
+                    <artifactId>maven-resources-plugin</artifactId>
+                    <version>3.0.2</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>3.8.0</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-war-plugin</artifactId>
+                    <version>3.2.2</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-install-plugin</artifactId>
+                    <version>2.5.2</version>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-deploy-plugin</artifactId>
+                    <version>2.8.2</version>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>
+</project>
diff --git a/src/main/com/mxy/design/observer/MAIN.java b/src/main/com/mxy/design/observer/MAIN.java
new file mode 100644
index 0000000..bede442
--- /dev/null
+++ b/src/main/com/mxy/design/observer/MAIN.java
@@ -0,0 +1,27 @@
+package com.mxy.design.observer;
+
+/**
+ * 观察者模式
+ */
+public class MAIN {
+
+    public static void main(String[] args) {
+
+        WeChatSubject subject = new WeChatSubjectImpl();
+        //微信公众号关注的用户
+        subject.followUser(new WeChatUser(1, "张三"));
+        subject.followUser(new WeChatUser(3, "李四"));
+        subject.followUser(new WeChatUser(2, "王五"));
+        //推送文章
+        subject.notifyObServer("C#学习入门");
+        //王五不关注了 觉得该公众号很烂 ^_^
+        subject.cancelFollowUser(new WeChatUser(2,"王五"));
+
+        //继续推送文章给其他两位
+        subject.notifyObServer("spring学习入门");
+
+
+
+    }
+
+}
diff --git a/src/main/com/mxy/design/observer/ObServer.java b/src/main/com/mxy/design/observer/ObServer.java
new file mode 100644
index 0000000..31dd050
--- /dev/null
+++ b/src/main/com/mxy/design/observer/ObServer.java
@@ -0,0 +1,9 @@
+package com.mxy.design.observer;
+
+public interface ObServer {
+    /**
+     * 接受公众号推送的信息
+     * @param receiveMsg
+     */
+    void update(String receiveMsg);
+}
diff --git a/src/main/com/mxy/design/observer/WeChatSubject.java b/src/main/com/mxy/design/observer/WeChatSubject.java
new file mode 100644
index 0000000..4f35023
--- /dev/null
+++ b/src/main/com/mxy/design/observer/WeChatSubject.java
@@ -0,0 +1,24 @@
+package com.mxy.design.observer;
+
+public interface WeChatSubject {
+
+    /**
+     * 该公众号关注的用户
+     * @return
+     */
+    boolean followUser(WeChatUser weChatUser);
+    /**
+     * 用户取消关注该公众号
+     * @return
+     */
+    boolean cancelFollowUser(WeChatUser weChatUser);
+
+    /**
+     * 公众号有新消息
+     * 通知观察者
+     * @return
+     */
+    boolean notifyObServer(String sendMsg);
+
+
+}
diff --git a/src/main/com/mxy/design/observer/WeChatSubjectImpl.java b/src/main/com/mxy/design/observer/WeChatSubjectImpl.java
new file mode 100644
index 0000000..536aac2
--- /dev/null
+++ b/src/main/com/mxy/design/observer/WeChatSubjectImpl.java
@@ -0,0 +1,47 @@
+package com.mxy.design.observer;
+
+import com.google.common.base.Preconditions;
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+public class WeChatSubjectImpl implements WeChatSubject {
+
+    private List<WeChatUser> users = new ArrayList<>();
+
+    public List<WeChatUser> getUsers() {
+        return users;
+    }
+
+    public void setUsers(List<WeChatUser> users) {
+        this.users = users;
+    }
+
+    @Override
+    public boolean followUser(WeChatUser weChatUser) {
+        System.out.println(weChatUser.getUserName() + "-->关注了该公众号.");
+        return users.add(weChatUser);
+    }
+
+    @Override
+    public boolean cancelFollowUser(WeChatUser weChatUser) {
+        System.out.println(weChatUser.getUserName() + "-->取消了关注.");
+        users.remove(weChatUser);
+        return true;
+    }
+
+    @Override
+    public boolean notifyObServer(String sendMsg) {
+        articleInfo(sendMsg);
+        return true;
+    }
+
+    private void articleInfo(String articleInfo) {
+        Preconditions.checkArgument(StringUtils.isNotBlank(articleInfo));
+        users.stream().forEach(u -> {
+            u.update(u.getUserName() + "-已收到文章-" + articleInfo + ".");
+        });
+    }
+}
diff --git a/src/main/com/mxy/design/observer/WeChatUser.java b/src/main/com/mxy/design/observer/WeChatUser.java
new file mode 100644
index 0000000..d7bc4e5
--- /dev/null
+++ b/src/main/com/mxy/design/observer/WeChatUser.java
@@ -0,0 +1,54 @@
+package com.mxy.design.observer;
+
+
+import com.google.common.base.Objects;
+
+/**
+ * 微信用户 实现观察接口 随时接受更新的信息
+ */
+public class WeChatUser implements ObServer {
+
+    private int id;
+    private String userName;
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getUserName() {
+        return userName;
+    }
+
+    public void setUserName(String userName) {
+        this.userName = userName;
+    }
+
+    public WeChatUser(int id, String userName) {
+        this.id = id;
+        this.userName = userName;
+    }
+
+
+    @Override
+    public void update(String receiveMsg) {
+        System.out.println(receiveMsg);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        WeChatUser user = (WeChatUser) o;
+        return id == user.id &&
+                Objects.equal(userName, user.userName);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(id, userName);
+    }
+}
diff --git a/src/main/webapp/WEB-INF/web.xml b/src/main/webapp/WEB-INF/web.xml
new file mode 100644
index 0000000..9f88c1f
--- /dev/null
+++ b/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,7 @@
+<!DOCTYPE web-app PUBLIC
+ "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
+ "http://java.sun.com/dtd/web-app_2_3.dtd" >
+
+<web-app>
+  <display-name>Archetype Created Web Application</display-name>
+</web-app>
diff --git a/src/main/webapp/index.jsp b/src/main/webapp/index.jsp
new file mode 100644
index 0000000..c38169b
--- /dev/null
+++ b/src/main/webapp/index.jsp
@@ -0,0 +1,5 @@
+<html>
+<body>
+<h2>Hello World!</h2>
+</body>
+</html>
diff --git a/target/classes/com/mxy/design/observer/MAIN.class b/target/classes/com/mxy/design/observer/MAIN.class
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diff --git a/target/classes/webapp/WEB-INF/web.xml b/target/classes/webapp/WEB-INF/web.xml
new file mode 100644
index 0000000..9f88c1f
--- /dev/null
+++ b/target/classes/webapp/WEB-INF/web.xml
@@ -0,0 +1,7 @@
+<!DOCTYPE web-app PUBLIC
+ "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
+ "http://java.sun.com/dtd/web-app_2_3.dtd" >
+
+<web-app>
+  <display-name>Archetype Created Web Application</display-name>
+</web-app>
diff --git a/target/classes/webapp/index.jsp b/target/classes/webapp/index.jsp
new file mode 100644
index 0000000..c38169b
--- /dev/null
+++ b/target/classes/webapp/index.jsp
@@ -0,0 +1,5 @@
+<html>
+<body>
+<h2>Hello World!</h2>
+</body>
+</html>