pt3ulnghe
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lsepidemicsituationsystem6
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pxake4hfp wants to merge 4 commits from ljc into master
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3 changed files with 60 additions and 42 deletions
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53
.idea/workspace.xml
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@ -6,7 +6,10 @@
</artifacts-to-build>
</component>
<component name="ChangeListManager">
<list default="true" id="0ffa26fe-3275-4667-90ad-c688ca600b30" name="Default Changelist" comment="" />
<list default="true" id="0ffa26fe-3275-4667-90ad-c688ca600b30" name="Default Changelist" comment="Default Changelist">
<change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
<change beforePath="$PROJECT_DIR$/src/com/controller/stu/StuQueryInfoServlet.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/com/controller/stu/StuQueryInfoServlet.java" afterDir="false" />
</list>
<option name="SHOW_DIALOG" value="false" />
<option name="HIGHLIGHT_CONFLICTS" value="true" />
<option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
@ -23,6 +26,9 @@
</list>
</option>
</component>
<component name="Git.Settings">
<option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
</component>
<component name="LogFilters">
<option name="FILTER_ERRORS" value="false" />
<option name="FILTER_WARNINGS" value="false" />
@ -33,7 +39,8 @@
<component name="MavenImportPreferences">
<option name="generalSettings">
<MavenGeneralSettings>
<option name="mavenHome" value="D:/Program Files/apache-maven-3.6.3-bin/apache-maven-3.6.3" />
<option name="customMavenHome" value="$PROJECT_DIR$/../../../Program Files/apache-maven-3.6.3-bin/apache-maven-3.6.3" />
<option name="mavenHomeTypeForPersistence" value="CUSTOM" />
</MavenGeneralSettings>
</option>
<option name="importingSettings">
@ -42,27 +49,23 @@
</MavenImportingSettings>
</option>
</component>
<component name="ProjectColorInfo">{
&quot;associatedIndex&quot;: 0
}</component>
<component name="ProjectId" id="1ZsRq0O38W9j2DAyvPgaq78h6F5" />
<component name="ProjectViewState">
<option name="showExcludedFiles" value="true" />
<option name="showLibraryContents" value="true" />
</component>
<component name="PropertiesComponent">
<property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
<property name="WebServerToolWindowFactoryState" value="false" />
<property name="aspect.path.notification.shown" value="true" />
<property name="last_opened_file_path" value="$PROJECT_DIR$/web" />
<property name="node.js.detected.package.eslint" value="true" />
<property name="node.js.detected.package.tslint" value="true" />
<property name="node.js.path.for.package.eslint" value="project" />
<property name="node.js.path.for.package.tslint" value="project" />
<property name="node.js.selected.package.eslint" value="(autodetect)" />
<property name="node.js.selected.package.tslint" value="(autodetect)" />
<property name="project.structure.last.edited" value="Artifacts" />
<property name="project.structure.proportion" value="0.15" />
<property name="project.structure.side.proportion" value="0.2" />
<property name="settings.editor.selected.configurable" value="com.alibabacloud.intellij.config.AccountConfigurable" />
</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>
<component name="RecentsManager">
<key name="CopyClassDialog.RECENTS_KEY">
<recent name="com.filter" />
@ -181,6 +184,15 @@
</list>
</option>
</component>
<component name="SharedIndexes">
<attachedChunks>
<set>
<option value="bundled-jdk-9823dce3aa75-125ca727e0f0-intellij.indexing.shared.core-IU-243.24978.46" />
<option value="bundled-js-predefined-d6986cc7102b-76f8388c3a79-JavaScript-IU-243.24978.46" />
</set>
</attachedChunks>
</component>
<component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="应用程序级" UseSingleDictionary="true" transferred="true" />
<component name="SshConsoleOptionsProvider">
<option name="myEncoding" value="UTF-8" />
</component>
@ -328,11 +340,12 @@
<workItem from="1588858985099" duration="3090000" />
<workItem from="1588865103089" duration="22000" />
<workItem from="1589092133957" duration="947000" />
<workItem from="1745847006358" duration="95000" />
</task>
<servers />
</component>
<component name="TypeScriptGeneratedFilesManager">
<option name="version" value="1" />
<option name="version" value="3" />
</component>
<component name="WindowStateProjectService">
<state x="361" y="71" key="#Deployment" timestamp="1586742405632">

47
src/com/controller/deptadmin/DeptAddStuPunchServlet.java
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@ -7,54 +7,59 @@ import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.IOException; //导入IO异常和日期类
import java.util.Date;
@WebServlet("/DeptAddStuPunchServlet")
public class DeptAddStuPunchServlet extends HttpServlet {
public class DeptAddStuPunchServlet extends HttpServlet { //定义一个继承自HttpServlet的Servlet类。
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { //重写doGet方法，处理HTTP GET请求。
//统一请求和响应的字符编码为UTF-8，防止中文乱码，并设置响应内容类型为HTML。
req.setCharacterEncoding("utf-8");
resp.setCharacterEncoding("utf-8");
resp.setContentType("text/html;charset=utf-8");
//获取表单请求的参数
String sno = req.getParameter("sno");
String sispunch = req.getParameter("sispunch");
String spunchdate = req.getParameter("spunchdate");
String spunchtime = req.getParameter("spunchtime");
String sishot = req.getParameter("sishot");
String siscough = req.getParameter("siscough");
String sisseem = req.getParameter("sisseem");
String sisdiagnose = req.getParameter("sisdiagnose");
String sstatus = req.getParameter("sstatus");
String sno = req.getParameter("sno"); //从 HTTP 请求中获取参数名为 "sno" 的值，并将其赋值给 sno 变量
String sispunch = req.getParameter("sispunch");//从 HTTP 请求中获取参数名为 "sispunch" 的值，并将其赋值给 sispunch 变量
String spunchdate = req.getParameter("spunchdate");//从 HTTP 请求中获取参数名为 "spunchdate" 的值，并将其赋值给 spunchdate 变量
String spunchtime = req.getParameter("spunchtime");//从 HTTP 请求中获取参数名为 "spunchtime" 的值，并将其赋值给 spunchtime 变量
String sishot = req.getParameter("sishot");//从 HTTP 请求中获取参数名为 "sishot" 的值，并将其赋值给 sishot 变量
String siscough = req.getParameter("siscough");//从 HTTP 请求中获取参数名为 "siscough" 的值，并将其赋值给 siscough 变量
String sisseem = req.getParameter("sisseem");//从 HTTP 请求中获取参数名为 "sisseem" 的值，并将其赋值给 sisseem 变量
String sisdiagnose = req.getParameter("sisdiagnose");//从 HTTP 请求中获取参数名为 "sisdiagnose" 的值，并将其赋值给 sisdiagnose 变量
String sstatus = req.getParameter("sstatus");//从 HTTP 请求中获取参数名为 "sstatus" 的值，并将其赋值给 sstatus 变量
String sql = null;
//声明SQL语句变量，并输出调试信息
System.out.println("shgshgh");
//查询是否存在此人
sql = "select count(*) as num from stupunchin where sno = ? and spunchdate = ?";
Object[] objects = {sno, spunchdate};
int count = DeptAdminDao.findTotalCount(sql, objects);
sql = "select count(*) as num from stupunchin where sno = ? and spunchdate = ?";//检查stupunchin表中是否存在相同学号和日期的记录
Object[] objects = {sno, spunchdate}; //使用Object数组传递参数，防止SQL注入。
int count = DeptAdminDao.findTotalCount(sql, objects);//调用DAO方法findTotalCount返回匹配记录数。
if (count == 0){//无则操作
if (count == 0){//条件判断：如果不存在重复记录（count为0），执行插入操作。
sql = "insert into stupunchin values(?, ?, ?, ?, ?, ?, ?, ?, ?)";
Object[] objects1 = {sno, sispunch, spunchdate, spunchtime, sishot, siscough, sisseem, sisdiagnose, sstatus};
//SQL插入语句：向stupunchin表插入包含9个字段的新记录
//参数绑定：将表单参数按顺序填入占位符
int num = DeptAdminDao.executeUpdate(sql, objects1);
int num = DeptAdminDao.executeUpdate(sql, objects1);//执行更新：调用DAO方法executeUpdate执行插入，返回受影响的行数。
System.out.println(num);
req.getRequestDispatcher("/DeptQueryStuPunchByPageServlet?currentPage=1&rows=7&sname=&sclass=&spunchdate=").forward(req, resp);
}else {
req.getRequestDispatcher("/view/alluse/existdataofadd.jsp").forward(req, resp);
}
req.getRequestDispatcher("/view/alluse/existdataofadd.jsp").forward(req, resp);//转发请求：插入成功后，转发到分页查询Servlet，显示第一页数据（参数currentPage=1，每页7行）。
}//处理重复数据：如果记录已存在，转发到提示页面existdataofadd.jsp
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
doGet(req, resp);
doGet(req, resp);//处理POST请求：重写doPost方法，直接调用doGet，统一处理GET和POST请求
}
}

2
src/com/controller/stu/StuQueryInfoServlet.java
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@ -1,6 +1,6 @@
package com.controller.stu;
import com.dao.StuDao;
import com.dao.StuDao;/
import com.entity.Student;
import com.utils.JDBCUtils;

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