第一次

.idea/workspace.xml

@@ -49,23 +49,23 @@
       </MavenImportingSettings>
     </option>
   </component>
-  <component name="ProjectColorInfo">{
-  &quot;associatedIndex&quot;: 0
-}</component>
+  <component name="ProjectColorInfo"><![CDATA[{
+  "associatedIndex": 0
+}]]></component>
   <component name="ProjectId" id="1ZsRq0O38W9j2DAyvPgaq78h6F5" />
   <component name="ProjectViewState">
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent">{
-  &quot;keyToString&quot;: {
-    &quot;RunOnceActivity.git.unshallow&quot;: &quot;true&quot;,
-    &quot;git-widget-placeholder&quot;: &quot;master&quot;,
-    &quot;kotlin-language-version-configured&quot;: &quot;true&quot;,
-    &quot;last_opened_file_path&quot;: &quot;D:/RG/COPY/lsepidemicsituationsystem6&quot;,
-    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
-    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "RunOnceActivity.git.unshallow": "true",
+    "git-widget-placeholder": "master",
+    "kotlin-language-version-configured": "true",
+    "last_opened_file_path": "D:/RG/COPY/lsepidemicsituationsystem6",
+    "nodejs_package_manager_path": "npm",
+    "vue.rearranger.settings.migration": "true"
   }
-}</component>
+}]]></component>
   <component name="RecentsManager">
     <key name="CopyClassDialog.RECENTS_KEY">
       <recent name="com.filter" />

src/com/controller/stu/StuQueryInfoServlet.java

@@ -2,7 +2,7 @@ package com.controller.stu;
 
 import com.dao.StuDao;//gvghvhvjh
 import com.entity.Student;
-import com.utils.JDBCUtils;//gvhjv
+import com.utils.JDBCUtils;
 
 import javax.servlet.ServletException;
 import javax.servlet.annotation.WebServlet;