diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /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="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 20d7198..07859c5 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -6,7 +6,9 @@
     </artifacts-to-build>
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="42aa1366-7127-47b2-bf76-1ac82f663487" name="Default" comment="" />
+    <list default="true" id="42aa1366-7127-47b2-bf76-1ac82f663487" name="Default" comment="">
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
+    </list>
     <ignored path="$PROJECT_DIR$/out/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="TRACKING_ENABLED" value="true" />
@@ -17,22 +19,25 @@
   </component>
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file leaf-file-name="DaoCommand.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/com/zxc/command/DaoCommand.java">
+      <file leaf-file-name="update.jsp" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/web/jsp/update.jsp">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="540">
-              <caret line="22" column="60" lean-forward="false" selection-start-line="7" selection-start-column="4" selection-end-line="22" selection-end-column="60" />
+            <state relative-caret-position="1333">
+              <caret line="86" column="25" lean-forward="false" selection-start-line="86" selection-start-column="25" selection-end-line="86" selection-end-column="25" />
               <folding />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="Tb_Book.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/com/zxc/dao/Tb_Book.java">
+      <file leaf-file-name="Servlet_TbBook.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/com/zxc/servlet/Servlet_TbBook.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="162">
-              <caret line="7" column="0" lean-forward="false" selection-start-line="7" selection-start-column="0" selection-end-line="7" selection-end-column="0" />
-              <folding />
+            <state relative-caret-position="2403">
+              <caret line="98" column="37" lean-forward="false" selection-start-line="98" selection-start-column="37" selection-end-line="98" selection-end-column="37" />
+              <folding>
+                <element signature="imports" expanded="true" />
+                <marker date="1518417362776" expanded="true" signature="6448:6483" ph="{...}" />
+              </folding>
             </state>
           </provider>
         </entry>
@@ -40,95 +45,22 @@
       <file leaf-file-name="indexList.jsp" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/web/jsp/indexList.jsp">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="-4320">
-              <caret line="17" column="27" lean-forward="true" selection-start-line="17" selection-start-column="27" selection-end-line="17" selection-end-column="27" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="delete.jsp" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/web/jsp/delete.jsp">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="3402">
-              <caret line="126" column="35" lean-forward="false" selection-start-line="126" selection-start-column="35" selection-end-line="126" selection-end-column="35" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="insert.jsp" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/web/jsp/insert.jsp">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="3429">
-              <caret line="127" column="35" lean-forward="false" selection-start-line="127" selection-start-column="35" selection-end-line="127" selection-end-column="35" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="searchList.jsp" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/web/jsp/searchList.jsp">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="-418">
-              <caret line="90" column="61" lean-forward="false" selection-start-line="90" selection-start-column="61" selection-end-line="90" selection-end-column="61" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="Tb_BookImpl.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/com/zxc/dao/Tb_BookImpl.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="3456">
-              <caret line="150" column="32" lean-forward="false" selection-start-line="150" selection-start-column="32" selection-end-line="150" selection-end-column="32" />
+            <state relative-caret-position="-2299">
+              <caret line="16" column="36" lean-forward="false" selection-start-line="16" selection-start-column="36" selection-end-line="16" selection-end-column="36" />
               <folding>
-                <element signature="imports" expanded="true" />
-                <element signature="method#getPageCount#0;class#Tb_BookImpl#0" expanded="false" />
-                <marker date="1517668718798" expanded="true" signature="617:664" ph="select * fro... Book" />
-                <marker date="1517668718798" expanded="true" signature="1475:1500" ph="select count... Book" />
-                <marker date="1517668718798" expanded="true" signature="2173:2191" ph="select * fro... Book" />
-                <marker date="1517668718798" expanded="true" signature="3076:3101" ph="select * fro... Book" />
-                <marker date="1517668718798" expanded="true" signature="3076:3133" ph="select * fro... Book" />
-                <marker date="1517668718798" expanded="true" signature="4012:4076" ph="insert into Book... " />
-                <marker date="1517668718798" expanded="true" signature="4860:4923" ph="update users... " />
-                <marker date="1517668718798" expanded="true" signature="5554:5581" ph="delete from " />
-                <marker date="1517668718798" expanded="true" signature="6066:6095" ph="select * fro... users" />
+                <element signature="n#style#0;n#div#0;n#nav#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+                <element signature="n#style#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+                <element signature="n#style#0;n#div#0;n#div#1;n#body#0;n#html#0;n#!!top" expanded="true" />
+                <element signature="n#style#0;n#table#0;n#div#0;n#div#1;n#body#0;n#html#0;n#!!top" expanded="true" />
+                <element signature="n#style#0;n#div#2;n#body#0;n#html#0;n#!!top" expanded="true" />
+                <element signature="n#style#0;n#button#0;n#div#2;n#body#0;n#html#0;n#!!top" expanded="true" />
+                <element signature="n#style#0;n#p#1;n#div#2;n#body#0;n#html#0;n#!!top" expanded="true" />
+                <element signature="n#style#0;n#button#1;n#div#2;n#body#0;n#html#0;n#!!top" expanded="true" />
               </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="index.jsp" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/web/jsp/index.jsp">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="2052">
-              <caret line="76" column="0" lean-forward="false" selection-start-line="76" selection-start-column="0" selection-end-line="76" selection-end-column="0" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="web.xml" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/web/WEB-INF/web.xml">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="162">
-              <caret line="6" column="27" lean-forward="false" selection-start-line="6" selection-start-column="27" selection-end-line="6" selection-end-column="27" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="Servlet_TbBook.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/com/zxc/servlet/Servlet_TbBook.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="-1228">
-              <caret line="85" column="36" lean-forward="false" selection-start-line="85" selection-start-column="36" selection-end-line="85" selection-end-column="36" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
     </leaf>
   </component>
   <component name="FileTemplateManagerImpl">
@@ -155,6 +87,9 @@
       <replace>Tb_Book</replace>
     </replaceStrings>
   </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
   <component name="GradleLocalSettings">
     <option name="externalProjectsViewState">
       <projects_view />
@@ -177,35 +112,21 @@
         <option value="$PROJECT_DIR$/src/com/zxc/dao/ITb_User.java" />
         <option value="$PROJECT_DIR$/src/com/zxc/service/ITb_UserService.java" />
         <option value="$PROJECT_DIR$/web/jsp/BookList.jsp" />
+        <option value="$PROJECT_DIR$/web/index.jsp" />
+        <option value="$PROJECT_DIR$/web/test.html" />
+        <option value="$PROJECT_DIR$/web/WEB-INF/web.xml" />
         <option value="$PROJECT_DIR$/web/jsp/Book.jsp" />
+        <option value="$PROJECT_DIR$/web/jsp/update.jsp" />
         <option value="$PROJECT_DIR$/src/com/zxc/unit/UnitMysql.java" />
         <option value="$PROJECT_DIR$/src/com/zxc/domain/Page.java" />
-        <option value="$PROJECT_DIR$/src/com/zxc/servlet/Servlet_Page.java" />
-        <option value="$PROJECT_DIR$/src/com/zxc/servlet/CheckAccount.java" />
-        <option value="$PROJECT_DIR$/web/index.jsp" />
         <option value="$PROJECT_DIR$/src/com/zxc/command/IServiceCommand.java" />
         <option value="$PROJECT_DIR$/src/com/zxc/command/IDaoCommand.java" />
         <option value="$PROJECT_DIR$/src/com/zxc/service/imp/ITb_BookServiceImpI.java" />
-        <option value="$PROJECT_DIR$/web/jsp/test.jsp" />
-        <option value="$PROJECT_DIR$/web/jsp/delete.jsp" />
         <option value="$PROJECT_DIR$/src/com/zxc/servlet/Servlet_TbBook.java" />
-        <option value="$PROJECT_DIR$/web/jsp/insert.jsp" />
-        <option value="$PROJECT_DIR$/web/jsp/update.jsp" />
-        <option value="$PROJECT_DIR$/web/jsp/indexList.jsp" />
-        <option value="$PROJECT_DIR$/web/test.html" />
-        <option value="$PROJECT_DIR$/src/com/zxc/Bean/Tb_Book.java" />
-        <option value="$PROJECT_DIR$/src/com/zxc/Bean/AccountBean.java" />
         <option value="$PROJECT_DIR$/src/com/zxc/dao/imp/ITb_BookImpl.java" />
-        <option value="$PROJECT_DIR$/src/com/zxc/dao/ITb_BookImpl.java" />
-        <option value="$PROJECT_DIR$/src/com/zxc/service/ITb_BookServiceImpI.java" />
-        <option value="$PROJECT_DIR$/src/com/zxc/service/ITb_BookServiceImp.java" />
-        <option value="$PROJECT_DIR$/src/com/zxc/command/DaoCommand.java" />
-        <option value="$PROJECT_DIR$/src/com/zxc/command/ServiceCommand.java" />
-        <option value="$PROJECT_DIR$/src/com/zxc/dao/Tb_BookImpl.java" />
-        <option value="$PROJECT_DIR$/src/com/zxc/dao/Tb_Book.java" />
-        <option value="$PROJECT_DIR$/web/jsp/index.jsp" />
-        <option value="$PROJECT_DIR$/web/WEB-INF/web.xml" />
-        <option value="$PROJECT_DIR$/web/jsp/searchList.jsp" />
+        <option value="$PROJECT_DIR$/src/com/zxc/servlet/CheckAccount.java" />
+        <option value="$PROJECT_DIR$/web/jsp/indexList.jsp" />
+        <option value="$PROJECT_DIR$/web/jsp/test.jsp" />
       </list>
     </option>
   </component>
@@ -227,6 +148,7 @@
     <option name="width" value="950" />
     <option name="height" value="1011" />
   </component>
+  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
   <component name="ProjectView">
     <navigator currentView="ProjectPane" proportions="" version="1">
       <flattenPackages />
@@ -242,101 +164,75 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
-      <pane id="Scope" />
-      <pane id="Scratches" />
-      <pane id="AndroidView" />
       <pane id="PackagesPane" />
       <pane id="ProjectPane">
         <subPane>
           <expand>
             <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Demo" type="462c0819:PsiDirectoryNode" />
+              <item name="BMS_Demo" type="b2602c69:ProjectViewProjectNode" />
+              <item name="BMS_Demo" type="462c0819:PsiDirectoryNode" />
             </path>
             <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Demo" type="462c0819:PsiDirectoryNode" />
+              <item name="BMS_Demo" type="b2602c69:ProjectViewProjectNode" />
+              <item name="BMS_Demo" type="462c0819:PsiDirectoryNode" />
               <item name="src" type="462c0819:PsiDirectoryNode" />
             </path>
             <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Demo" type="462c0819:PsiDirectoryNode" />
+              <item name="BMS_Demo" type="b2602c69:ProjectViewProjectNode" />
+              <item name="BMS_Demo" type="462c0819:PsiDirectoryNode" />
               <item name="src" type="462c0819:PsiDirectoryNode" />
               <item name="zxc" type="462c0819:PsiDirectoryNode" />
             </path>
             <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Demo" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-              <item name="zxc" type="462c0819:PsiDirectoryNode" />
-              <item name="Bean" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Demo" type="462c0819:PsiDirectoryNode" />
+              <item name="BMS_Demo" type="b2602c69:ProjectViewProjectNode" />
+              <item name="BMS_Demo" type="462c0819:PsiDirectoryNode" />
               <item name="src" type="462c0819:PsiDirectoryNode" />
               <item name="zxc" type="462c0819:PsiDirectoryNode" />
               <item name="command" type="462c0819:PsiDirectoryNode" />
             </path>
             <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Demo" type="462c0819:PsiDirectoryNode" />
+              <item name="BMS_Demo" type="b2602c69:ProjectViewProjectNode" />
+              <item name="BMS_Demo" type="462c0819:PsiDirectoryNode" />
               <item name="src" type="462c0819:PsiDirectoryNode" />
               <item name="zxc" type="462c0819:PsiDirectoryNode" />
               <item name="dao" type="462c0819:PsiDirectoryNode" />
             </path>
             <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Demo" type="462c0819:PsiDirectoryNode" />
+              <item name="BMS_Demo" type="b2602c69:ProjectViewProjectNode" />
+              <item name="BMS_Demo" type="462c0819:PsiDirectoryNode" />
               <item name="src" type="462c0819:PsiDirectoryNode" />
               <item name="zxc" type="462c0819:PsiDirectoryNode" />
               <item name="service" type="462c0819:PsiDirectoryNode" />
             </path>
             <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Demo" type="462c0819:PsiDirectoryNode" />
+              <item name="BMS_Demo" type="b2602c69:ProjectViewProjectNode" />
+              <item name="BMS_Demo" type="462c0819:PsiDirectoryNode" />
               <item name="src" type="462c0819:PsiDirectoryNode" />
               <item name="zxc" type="462c0819:PsiDirectoryNode" />
               <item name="servlet" type="462c0819:PsiDirectoryNode" />
             </path>
             <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Demo" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-              <item name="zxc" type="462c0819:PsiDirectoryNode" />
-              <item name="util" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Demo" type="462c0819:PsiDirectoryNode" />
+              <item name="BMS_Demo" type="b2602c69:ProjectViewProjectNode" />
+              <item name="BMS_Demo" type="462c0819:PsiDirectoryNode" />
               <item name="web" type="462c0819:PsiDirectoryNode" />
             </path>
             <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Demo" type="462c0819:PsiDirectoryNode" />
+              <item name="BMS_Demo" type="b2602c69:ProjectViewProjectNode" />
+              <item name="BMS_Demo" type="462c0819:PsiDirectoryNode" />
               <item name="web" type="462c0819:PsiDirectoryNode" />
               <item name="jsp" type="462c0819:PsiDirectoryNode" />
             </path>
             <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Demo" type="462c0819:PsiDirectoryNode" />
-              <item name="web" type="462c0819:PsiDirectoryNode" />
-              <item name="static" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
-              <item name="Demo" type="462c0819:PsiDirectoryNode" />
-              <item name="web" type="462c0819:PsiDirectoryNode" />
-              <item name="WEB-INF" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="Demo" type="b2602c69:ProjectViewProjectNode" />
+              <item name="BMS_Demo" type="b2602c69:ProjectViewProjectNode" />
               <item name="External Libraries" type="cb654da1:ExternalLibrariesNode" />
             </path>
           </expand>
           <select />
         </subPane>
       </pane>
+      <pane id="Scope" />
+      <pane id="AndroidView" />
+      <pane id="Scratches" />
     </panes>
   </component>
   <component name="PropertiesComponent">
@@ -352,14 +248,12 @@
     <property name="settings.editor.selected.configurable" value="JavaScript.Libraries" />
   </component>
   <component name="RecentsManager">
-    <key name="MoveFile.RECENT_KEYS">
-      <recent name="$PROJECT_DIR$/web/jsp" />
-      <recent name="$PROJECT_DIR$/web/WEB-INF/lib" />
-    </key>
     <key name="CopyFile.RECENT_KEYS">
-      <recent name="$PROJECT_DIR$/web/jsp" />
       <recent name="$PROJECT_DIR$/web/static/css" />
     </key>
+    <key name="MoveFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/web/WEB-INF/lib" />
+    </key>
   </component>
   <component name="RunDashboard">
     <option name="ruleStates">
@@ -549,25 +443,29 @@
       <workItem from="1517364630730" duration="36914000" />
       <workItem from="1517448075759" duration="3528000" />
       <workItem from="1517451633458" duration="35638000" />
-      <workItem from="1517538018229" duration="24460000" />
-      <workItem from="1517622470994" duration="5971000" />
-      <workItem from="1517633935529" duration="32811000" />
-      <workItem from="1517712555235" duration="3714000" />
-      <workItem from="1517751181954" duration="743000" />
-      <workItem from="1517798860205" duration="616000" />
-      <workItem from="1518417248533" duration="93000" />
+      <workItem from="1517538018229" duration="15204000" />
+      <workItem from="1517573752887" duration="1452000" />
+      <workItem from="1517901069993" duration="691000" />
+      <workItem from="1517991850088" duration="267000" />
+      <workItem from="1518001806500" duration="1329000" />
+      <workItem from="1518153058321" duration="160000" />
+      <workItem from="1518182659666" duration="2536000" />
+      <workItem from="1518224774371" duration="3079000" />
+      <workItem from="1518312982232" duration="626000" />
+      <workItem from="1518323892662" duration="3644000" />
+      <workItem from="1518416069814" duration="1232000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="177607000" />
+    <option name="totallyTimeSpent" value="139470000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="0" width="1920" height="1013" extended-state="6" />
-    <editor active="true" />
     <layout>
       <window_info id="Palette" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="11" side_tool="false" content_ui="tabs" />
+      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32855567" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
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@@ -606,32 +527,36 @@
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   <component name="XDebuggerManager">
     <breakpoint-manager>
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+      <option name="time" value="2" />
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     <watches-manager />
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+    <entry file="file://$PROJECT_DIR$/src/com/zxc/service/ITb_BookService.java" />
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+    <entry file="file://$PROJECT_DIR$/web/jsp/BookList.jsp" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/command/IDaoCommand.java" />
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@@ -642,61 +567,17 @@
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+    <entry file="file://$PROJECT_DIR$/src/com/zxc/unit/UnitMysql.java" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/dao/imp/ITb_BookImpl.java" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/service/ITb_BookService.java" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/service/imp/ITb_BookServiceImpI.java" />
     <entry file="file://$PROJECT_DIR$/web/jsp/Book.jsp" />
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@@ -704,79 +585,40 @@
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+    <entry file="file://$PROJECT_DIR$/src/com/zxc/command/IServiceCommand.java" />
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-    <entry file="file://$PROJECT_DIR$/src/com/zxc/service/Tb_BookService.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="108">
-          <caret line="5" column="17" lean-forward="false" selection-start-line="5" selection-start-column="17" selection-end-line="5" selection-end-column="17" />
-        </state>
-      </provider>
-    </entry>
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/unit/UnitMysql.java" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/dao/imp/ITb_BookImpl.java" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/service/imp/ITb_BookServiceImpI.java" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/service/ITb_BookService.java" />
     <entry file="file://$PROJECT_DIR$/src/com/zxc/servlet/Servlet_TbBook.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="162">
           <caret line="15" column="46" lean-forward="true" selection-start-line="15" selection-start-column="46" selection-end-line="15" selection-end-column="46" />
-          <folding />
+          <folding>
+            <element signature="imports" expanded="true" />
+            <marker date="1518417362776" expanded="true" signature="6448:6483" ph="{...}" />
+          </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/web/jsp/index.jsp">
+    <entry file="file://$PROJECT_DIR$/web/index.jsp">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="189">
           <caret line="7" column="0" lean-forward="false" selection-start-line="7" selection-start-column="0" selection-end-line="7" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -784,17 +626,10 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="513">
           <caret line="19" column="54" lean-forward="false" selection-start-line="19" selection-start-column="54" selection-end-line="19" selection-end-column="54" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/com/zxc/command/ServiceCommand.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="243">
-          <caret line="9" column="10" lean-forward="false" selection-start-line="9" selection-start-column="10" selection-end-line="9" selection-end-column="10" />
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/command/IServiceCommand.java" />
     <entry file="file://$PROJECT_DIR$/web/jsp/Book.jsp" />
     <entry file="jar:///opt/jdk1.8.0_152/src.zip!/java/sql/DriverManager.java">
       <provider selected="true" editor-type-id="text-editor">
@@ -810,173 +645,92 @@
         </state>
       </provider>
     </entry>
-    <entry file="jar://$USER_HOME$/apache-tomcat-9.0.2/lib/servlet-api.jar!/javax/servlet/http/HttpServlet.class">
+    <entry file="file://$PROJECT_DIR$/web/test.html">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="184">
-          <caret line="233" column="0" lean-forward="false" selection-start-line="233" selection-start-column="0" selection-end-line="233" selection-end-column="0" />
+        <state relative-caret-position="81">
+          <caret line="3" column="87" lean-forward="false" selection-start-line="3" selection-start-column="87" selection-end-line="3" selection-end-column="87" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/com/zxc/servlet/Servlet_Page.java" />
-    <entry file="file://$PROJECT_DIR$/src/com/zxc/util/UnitMysql.java">
+    <entry file="jar://$USER_HOME$/apache-tomcat-9.0.2/lib/servlet-api.jar!/javax/servlet/http/HttpServlet.class">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="216">
-          <caret line="8" column="72" lean-forward="false" selection-start-line="8" selection-start-column="72" selection-end-line="8" selection-end-column="72" />
+        <state relative-caret-position="184">
+          <caret line="233" column="0" lean-forward="false" selection-start-line="233" selection-start-column="0" selection-end-line="233" selection-end-column="0" />
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/domain/Tb_Book.java" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/command/IDaoCommand.java" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/service/ITb_BookService.java" />
     <entry file="file://$PROJECT_DIR$/src/com/zxc/domain/Page.java" />
-    <entry file="file://$PROJECT_DIR$/web/jsp/BookList.jsp" />
-    <entry file="file://$PROJECT_DIR$/web/jsp/test.jsp" />
-    <entry file="file://$PROJECT_DIR$/web/jsp/update.jsp">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="297">
-          <caret line="154" column="89" lean-forward="true" selection-start-line="154" selection-start-column="89" selection-end-line="154" selection-end-column="89" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/web/jsp/Book.jsp" />
-    <entry file="file://$PROJECT_DIR$/web/test.html">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="108">
-          <caret line="4" column="6" lean-forward="false" selection-start-line="4" selection-start-column="6" selection-end-line="4" selection-end-column="6" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/com/zxc/Bean/AccountBean.java">
+    <entry file="file://$PROJECT_DIR$/web/WEB-INF/web.xml">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="54">
-          <caret line="2" column="13" lean-forward="false" selection-start-line="2" selection-start-column="13" selection-end-line="2" selection-end-column="13" />
+        <state relative-caret-position="0">
+          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="4" selection-end-column="23" />
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/out/artifacts/Demo_war_exploded/index.jsp" />
     <entry file="file://$PROJECT_DIR$/src/com/zxc/servlet/CheckAccount.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="459">
-          <caret line="24" column="45" lean-forward="false" selection-start-line="24" selection-start-column="45" selection-end-line="24" selection-end-column="45" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/com/zxc/command/ServiceCommand.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="486">
-          <caret line="18" column="20" lean-forward="true" selection-start-line="18" selection-start-column="20" selection-end-line="18" selection-end-column="20" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/com/zxc/service/Tb_BookService.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="108">
-          <caret line="5" column="17" lean-forward="false" selection-start-line="5" selection-start-column="17" selection-end-line="5" selection-end-column="17" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/com/zxc/Bean/BookBean.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="108">
-          <caret line="4" column="13" lean-forward="false" selection-start-line="4" selection-start-column="13" selection-end-line="4" selection-end-column="13" />
+          <caret line="30" column="70" lean-forward="false" selection-start-line="30" selection-start-column="70" selection-end-line="30" selection-end-column="70" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/com/zxc/service/ITb_BookServiceImp.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="202">
-          <caret line="64" column="7" lean-forward="false" selection-start-line="64" selection-start-column="7" selection-end-line="64" selection-end-column="7" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/com/zxc/dao/Tb_BookImpl.java">
+    <entry file="file://$PROJECT_DIR$/web/jsp/Book.jsp" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/dao/ITb_Book.java" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/unit/UnitMysql.java" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/servlet/Servlet_TbBook.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="3456">
-          <caret line="150" column="32" lean-forward="false" selection-start-line="150" selection-start-column="32" selection-end-line="150" selection-end-column="32" />
+        <state relative-caret-position="2403">
+          <caret line="98" column="37" lean-forward="false" selection-start-line="98" selection-start-column="37" selection-end-line="98" selection-end-column="37" />
           <folding>
             <element signature="imports" expanded="true" />
-            <element signature="method#getPageCount#0;class#Tb_BookImpl#0" expanded="false" />
-            <marker date="1517668718798" expanded="true" signature="617:664" ph="select * fro... Book" />
-            <marker date="1517668718798" expanded="true" signature="1475:1500" ph="select count... Book" />
-            <marker date="1517668718798" expanded="true" signature="2173:2191" ph="select * fro... Book" />
-            <marker date="1517668718798" expanded="true" signature="3076:3101" ph="select * fro... Book" />
-            <marker date="1517668718798" expanded="true" signature="3076:3133" ph="select * fro... Book" />
-            <marker date="1517668718798" expanded="true" signature="4012:4076" ph="insert into Book... " />
-            <marker date="1517668718798" expanded="true" signature="4860:4923" ph="update users... " />
-            <marker date="1517668718798" expanded="true" signature="5554:5581" ph="delete from " />
-            <marker date="1517668718798" expanded="true" signature="6066:6095" ph="select * fro... users" />
+            <marker date="1518417362776" expanded="true" signature="6448:6483" ph="{...}" />
           </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/com/zxc/command/DaoCommand.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="540">
-          <caret line="22" column="60" lean-forward="false" selection-start-line="7" selection-start-column="4" selection-end-line="22" selection-end-column="60" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/com/zxc/dao/Tb_Book.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="162">
-          <caret line="7" column="0" lean-forward="false" selection-start-line="7" selection-start-column="0" selection-end-line="7" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/web/WEB-INF/web.xml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="162">
-          <caret line="6" column="27" lean-forward="false" selection-start-line="6" selection-start-column="27" selection-end-line="6" selection-end-column="27" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/web/jsp/index.jsp">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="2052">
-          <caret line="76" column="0" lean-forward="false" selection-start-line="76" selection-start-column="0" selection-end-line="76" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/web/jsp/delete.jsp">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="3402">
-          <caret line="126" column="35" lean-forward="false" selection-start-line="126" selection-start-column="35" selection-end-line="126" selection-end-column="35" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/web/jsp/insert.jsp">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="3429">
-          <caret line="127" column="35" lean-forward="false" selection-start-line="127" selection-start-column="35" selection-end-line="127" selection-end-column="35" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/com/zxc/servlet/Servlet_TbBook.java">
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/command/IServiceCommand.java" />
+    <entry file="file://$PROJECT_DIR$/web/jsp/update.jsp">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-1228">
-          <caret line="85" column="36" lean-forward="false" selection-start-line="85" selection-start-column="36" selection-end-line="85" selection-end-column="36" />
+        <state relative-caret-position="1333">
+          <caret line="86" column="25" lean-forward="false" selection-start-line="86" selection-start-column="25" selection-end-line="86" selection-end-column="25" />
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/web/jsp/searchList.jsp">
+    <entry file="file://$PROJECT_DIR$/web/jsp/indexList.jsp">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-418">
-          <caret line="90" column="61" lean-forward="false" selection-start-line="90" selection-start-column="61" selection-end-line="90" selection-end-column="61" />
-          <folding />
+        <state relative-caret-position="-2299">
+          <caret line="16" column="36" lean-forward="false" selection-start-line="16" selection-start-column="36" selection-end-line="16" selection-end-column="36" />
+          <folding>
+            <element signature="n#style#0;n#div#0;n#nav#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#div#0;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#div#0;n#div#1;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#table#0;n#div#0;n#div#1;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#div#2;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#button#0;n#div#2;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#p#1;n#div#2;n#body#0;n#html#0;n#!!top" expanded="true" />
+            <element signature="n#style#0;n#button#1;n#div#2;n#body#0;n#html#0;n#!!top" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/web/jsp/indexList.jsp">
+    <entry file="file://$PROJECT_DIR$/web/jsp/BookList.jsp" />
+    <entry file="file://$PROJECT_DIR$/web/jsp/test.jsp" />
+    <entry file="file://$PROJECT_DIR$/web/index.jsp">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-4320">
-          <caret line="17" column="27" lean-forward="true" selection-start-line="17" selection-start-column="27" selection-end-line="17" selection-end-column="27" />
+        <state relative-caret-position="-513">
+          <caret line="23" column="72" lean-forward="false" selection-start-line="23" selection-start-column="72" selection-end-line="23" selection-end-column="72" />
           <folding />
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/service/imp/ITb_BookServiceImpI.java" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/dao/imp/ITb_BookImpl.java" />
+    <entry file="file://$PROJECT_DIR$/src/com/zxc/admin/AccountBean.java" />
   </component>
   <component name="masterDetails">
     <states>
diff --git a/web/index.jsp b/web/index.jsp
new file mode 100644
index 0000000..f09377b
--- /dev/null
+++ b/web/index.jsp
@@ -0,0 +1,87 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: russell
+  Date: 18-1-30
+  Time: 上午10:31
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page language="java" import="java.util.*" pageEncoding="UTF-8" %>
+<%
+    String path = request.getContextPath();
+    String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/";
+%>
+<!DOCTYPE html>
+<html>
+<head>
+    <base href="<%=basePath%>">
+
+    <title>Easy图书管理系统</title>
+    <meta http-equiv="pragma" content="no-cache">
+    <meta http-equiv="cache-control" content="no-cache">
+    <meta http-equiv="expires" content="0">
+    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
+    <meta http-equiv="description" content="This is my page">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link rel="stylesheet" href="../static/css/bootstrap.min.css">
+    <style type="text/css">
+        body{
+            background:url(static/img/bg.jpeg);
+            background-position:20% 120%;
+        }
+        form {
+            position: absolute;
+            top:50%;
+            left:50%;
+            margin:-60px 0 0 -140px;
+        }
+
+        .divform {
+            position: absolute;
+            top: 50%;
+            left:30%;
+            margin: -150px 0 0 -200px;
+            width: 400px;
+            height: 250px;
+            border: 1px solid #008800;
+            background-color: lightgreen;
+        }
+
+        h1 {
+            margin-top:80px;
+            margin-left:200px;
+            color:black;
+            font-size:450%;
+        }
+        label{
+            font-size:20px;
+            margin:10px;
+        }
+        input{
+            width:200px;
+            height:30px;
+        }
+    </style>
+</head>
+<body>
+<h1>${msg}</h1>   <!--对应servlet的msg-->
+<h1>Easy图书管理系统</h1>
+<div class="divform">
+    <form action="login" method="post">
+        <table>
+            <tr>
+                <td><label>账号</label></td>
+                <td><input type="text" name="id"></td>
+            </tr>
+            <tr>
+                <td><label>密码</label></td>
+                <td><input type="text" name="psw"></td>
+            </tr>
+            <tr>
+                <td></td>
+                <td><button type="submit" class="btn btn-block" style="font-size:20px;">提交</button></td>
+            </tr>
+        </table>
+    </form>
+</div>
+</body>
+</html>