SSM整合开发的小Demo----毕业设计管理系统之学生模块

爱被打了一巴掌 2022-06-05 05:35 176阅读 0赞

该模块的主要功能如下:

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先看看结果怎样,一睹为快

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示例程序(学生选课)代码:

\#数据模型层

package com.east.entity;
    
    import java.io.Serializable;
    
    public class Subject implements Serializable {
      private Integer subject_id;               //课题ID
      private String  subject_title;            //课题名称
      private String  subject_condition;        //课题要求
      private String  tea_name;                 //导师名称
      private String  degree;                   //导师职称
      private String  stu_name;                 //选课学生
      private String  status;                   //论文状态
      private String  audit;                    //编辑状态
      private String  AuditSituation;           //审核情况
    public Integer getSubject_id() {
    	return subject_id;
    }
    public void setSubject_id(Integer subject_id) {
    	this.subject_id = subject_id;
    }
    public String getSubject_title() {
    	return subject_title;
    }
    public void setSubject_title(String subject_title) {
    	this.subject_title = subject_title;
    }
    
    public String getSubject_condition() {
    	return subject_condition;
    }
    public void setSubject_condition(String subject_condition) {
    	this.subject_condition = subject_condition;
    }
    public String getTea_name() {
    	return tea_name;
    }
    public void setTea_name(String tea_name) {
    	this.tea_name = tea_name;
    }
    public String getDegree() {
    	return degree;
    }
    public void setDegree(String degree) {
    	this.degree = degree;
    }
    public String getStu_name() {
    	return stu_name;
    }
    public void setStu_name(String stu_name) {
    	this.stu_name = stu_name;
    }
    public String getStatus() {
    	return status;
    }
    public void setStatus(String status) {
    	this.status = status;
    }
    public String getAudit() {
    	return audit;
    }
    public void setAudit(String audit) {
    	this.audit = audit;
    }
    
    public String getAuditSituation() {
    	return AuditSituation;
    }
    public void setAuditSituation(String auditSituation) {
    	AuditSituation = auditSituation;
    }
    @Override
    public String toString() {
    	return "Subject [subject_id=" + subject_id + ", subject_title=" + subject_title + ", subject_condition="
    			+ subject_condition + ", tea_name=" + tea_name + ", degree=" + degree + ", stu_name=" + stu_name
    			+ ", status=" + status + ", audit=" + audit + ", AuditSituation=" + AuditSituation + "]";
    }
      
    }

\#数据访问层

package com.east.dao;
    
    import java.util.List;
    
    import org.apache.ibatis.annotations.Delete;
    import org.apache.ibatis.annotations.Insert;
    import org.apache.ibatis.annotations.Options;
    import org.apache.ibatis.annotations.Select;
    import org.apache.ibatis.annotations.Update;
    
    import com.east.entity.Subject;
    
    public interface SubjectDao {
       /*
        * 查询所有课题
        */
    	@Select("select * from subject where status = #{status}")
    	List<Subject> findByStatus(Subject subject);
    	
    	/*
    	 * 查询某个学生的课题
    	 */
    	@Select("select * from subject where stu_name = #{stu_name}")
    	Subject findByStuName(String stu_name);
    	
    	/*
    	 * 学生选题
    	 */
    	@Update("update subject set stu_name =#{stu_name} ,status=#{status} where subject_id = #{subject_id}")
    	void UpdateSub(Subject subject);
    	
    	/*
    	 * 教师出题
    	 */
    	@Insert("insert into subject(subject_title,subject_condition,tea_name,degree) "
    			+ " values(#{subject_title},#{subject_condition},#{tea_name},#{degree})")
    	@Options(useGeneratedKeys = true,keyProperty="subject_id")
        void AddSubjet(Subject subject);
    	
    	/*
    	 * 查询某个老师出的题
    	 */
    	@Select("select * from subject where tea_name = #{tea_name}")
    	Subject findByTeaName(String tea_name);
    	
    	/*
    	 * 删除某个教师的课题
    	 */
    	@Delete("delete from subject where tea_name = #{tea_name}")
    	void DeleteSub(Subject subject);
    	
    	/*
    	 * 获取所有课题
    	 */
    	@Select("select * from subject")
    	List<Subject> findAll();
    }

\#业务逻辑层

package com.east.service;
    
    import java.util.List;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Service;
    import org.springframework.transaction.annotation.Isolation;
    import org.springframework.transaction.annotation.Propagation;
    import org.springframework.transaction.annotation.Transactional;
    
    import com.east.dao.SubjectDao;
    import com.east.entity.Subject;
    
    @Transactional(propagation=Propagation.REQUIRED,isolation=Isolation.DEFAULT)
    @Service("subjectBiz")
    public class SubjectBiz {
        /*
         * 自动注入SubjectBiz
         */
    	@Autowired
    	private SubjectDao subjectDao;
    	
    	/*
    	 * 查询所有课题
    	 */
    	public List<Subject> findByStatus(Subject subject){
    		return subjectDao.findByStatus(subject);
    	}
    	
    	/*
    	 * 查询某个学生的课题
    	 */
    	public Subject findByStuName(String stu_name){
    		return subjectDao.findByStuName(stu_name);
    	}
    	
    	/*
    	 * 学生选题
    	 */
    	public void UpdateSub(Subject subject){
    		subjectDao.UpdateSub(subject);
    	}
    	
    	/*
    	 * 教师出题
    	 */
    	public void AddSubjet(Subject subject){
    		subjectDao.AddSubjet(subject);
    	}
    	
    	/*
    	 * 查询某个老师出的题
    	 */
    	public Subject findByTeaName(String tea_name){
    		return subjectDao.findByTeaName(tea_name);
    	}
    	
    	/*
    	 * 删除某个教师的课题
    	 */
    	public void DeleteSub(Subject subject){
    		subjectDao.DeleteSub(subject);
    	}
    	
    	/*
    	 * 获取所有课题
    	 */
    	public List<Subject> findAll(){
    		return subjectDao.findAll();
    	}
    }

\#控制层

package com.east.action;
    
    import java.io.IOException;
    import java.util.List;
    
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpSession;
    
    import org.jfree.chart.ChartFactory;
    import org.jfree.chart.JFreeChart;
    import org.jfree.chart.servlet.ServletUtilities;
    import org.jfree.data.general.DefaultPieDataset;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.beans.factory.annotation.Qualifier;
    import org.springframework.stereotype.Controller;
    import org.springframework.ui.ModelMap;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.servlet.ModelAndView;
    
    import com.east.entity.Student;
    import com.east.entity.Subject;
    import com.east.entity.Teacher;
    import com.east.service.SubjectBiz;
    //import com.east.util.JFreeUtil;
    import com.east.util.JFreeUtil;
    
    /*
     * 处理用户请求的控制器
     */
    @Controller
    public class SubjectAction {
        //自动注入UserService
    	@Autowired
    	@Qualifier("subjectBiz")
    	private SubjectBiz subjectBiz;
    	
    	/*
    	 * 学生选题
    	 */
    	@RequestMapping(value="/SelectSub")
    	public ModelAndView SelectSub(String id,ModelAndView mv,HttpSession session){
    		int subject_id = Integer.parseInt(id);
    		Student stu = (Student) session.getAttribute("user");
    		String stu_name = stu.getStu_name();
    		String status = "已选";
    		
    		Subject sub = new Subject();
    		sub.setSubject_id(subject_id);
    		sub.setStu_name(stu_name);
    		sub.setStatus(status);
    		subjectBiz.UpdateSub(sub);
    		
    		mv.setViewName("/student/MySubject");
    		return mv;     
    	}
    	
    	/*
    	 * 学生退选课题
    	 */
    	@RequestMapping(value="/Chosen")
    	public ModelAndView Chosen(String id,ModelAndView mv,HttpSession session){
    		int subject_id = Integer.parseInt(id);
    		String stu_name = "无";
    		String status = "未选";
    		
    		Subject sub = new Subject();
    		sub.setSubject_id(subject_id);
    		sub.setStu_name(stu_name);
    		sub.setStatus(status);
    		subjectBiz.UpdateSub(sub);
    		
    		mv.setViewName("/student/MySubject");
    		return mv;     
    	}
    	
    }

\#视图层

<%@page import="java.util.List"%>
    <%@page import="com.east.entity.Student"%>
    <%@page import="com.east.entity.Subject"%>
    <%@page import="com.east.service.SubjectBiz"%>
    <%@page import="org.springframework.context.support.ClassPathXmlApplicationContext"%>
    <%@page import="org.springframework.context.ApplicationContext"%>
    <%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>我的课题</title>
    <link rel="stylesheet" href="../bootstrap-3.3.7/css/bootstrap.min.css"> 
    <link rel="stylesheet" href="bootstrap-3.3.7/css/bootstrap.min.css">  
    <script src="../js/jquery-3.2.1.min.js"></script>   
    <script src="js/jquery-3.2.1.min.js"></script>  
    <script src="../js/bootstrap.min.js"></script> 
    <script src="js/bootstrap.min.js"></script> 
    <script type="text/javascript">
    function checkbox()
    {
        var check=$("input[name='data']:checked");//选中的复选框  
        var length = check.length;                //获取勾选的个数 
        if(length>1){
        	alert("操作有误,你只能选一个课题!");
        }else{
          check.each(function(){  
             var row=$(this).parent("td").parent("tr");  
             var subject_id=row.find("[name='subject_id']").html();
             alert("选题成功! ");
             window.location.href="${pageContext.request.contextPath}/SelectSub?id="+subject_id;
          });  
        }
      $('#myModal').modal('hide');
    }
    </script>
    </head>
    <body>
    <div class="container-fluid row form-group">
      <div class="panel panel-success"> 
         <div class="panel-heading">
            <div>
              <strong>我的课题</strong>
            </div>
         </div>
         <%
    	    ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");
            SubjectBiz subjectBiz = (SubjectBiz) ctx.getBean("subjectBiz");
    	    Subject sub = new Subject();
            Student student = (Student) session.getAttribute("user");
            String stu_name = student.getStu_name();
    	    sub.setStu_name(stu_name);
    	    Subject subject = subjectBiz.findByStuName(stu_name);
         %>
         <div class="panel-body">
          <table class="table table-hover" border="1">
          <%
             if(subject !=null){
          %>
            <tr style="height: 40px;" class="success">
                <td>
                   <label style="width: 100px;text-align: right;padding-right: 15px;">课题标题:</label>
                   <label><%=subject.getSubject_title()%></label>
                </td>
            </tr>
            <tr style="height: 40px;">
                <td>
                   <label style="width: 100px;text-align: right;padding-right: 15px;">指导老师:</label>
                   <label><%=subject.getTea_name() %></label>
                </td>
            </tr>
            <tr style="height: 40px;">
                <td>
                   <label style="width: 100px;text-align: right;padding-right: 15px;">导师职称:</label>
                   <label><%=subject.getDegree() %></label>
                </td>
            </tr>
            <tr style="height: 40px;">
                <td>
                   <label style="width: 100px;text-align: right;padding-right: 15px;">编辑状态:</label>
                   <label><%=subject.getAudit() %></label>
                </td>
            </tr>
            <tr style="height: 40px;">
                <td>
                   <label style="width: 100px;text-align: right;padding-right: 15px;">我要操作:</label>
                   <label><a href="${pageContext.request.contextPath }/Chosen?id=<%=subject.getSubject_id()%>">退选课题</a></label>
                </td>
            </tr>
            <%
                }else{
            %>
            <tr>
               <td>
                  <label><b style="font-size: 18px;">你还没有选题!</b></label>
                     <a href="#" class="btn btn-primary btn-sm" style="float: right;" data-toggle="modal" data-target="#myModal">
                       <span class="glyphicon glyphicon-plus" ></span> 我要选题
                     </a>
               </td>
            </tr>
            <%
                }
            %>
         </table>
        </div>
      </div>
    </div>
    
    
    <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
    	<div class="modal-dialog">
    		<div class="modal-content">
    			<div class="modal-header" style="text-align: center;">
    				<button type="button" class="close" data-dismiss="modal" aria-hidden="true">
    					×
    				</button>
    			  <div class="container-fluid row form-group">
    				<ul class="nav nav-pills nav-stacked">
                       <li class="active"><a href="#" style="text-align: left;" class="glyphicon glyphicon-edit" >我要选题</a></li>
                    </ul>
                  </div>
    			</div>
    	<div class="modal-body">
    	  <table class="table table-hover" border="1">
    	    <tr>
    		  <td>序号</td>
    		  <td>课题题目</td>
    		  <td>指导教师</td>
    		  <td>导师职称</td>
    		  <td>操作</td>
    	    </tr>
            <%
         
    	        Subject subjects = new Subject();
    	        subjects.setStatus("未选");
    	        List<Subject> list = subjectBiz.findByStatus(subjects);
    	        for(Subject subs :list){
             %>
    		<tr>
    	       <td name="subject_id"><%=subs.getSubject_id() %></td>
    		   <td><%=subs.getSubject_title() %></td>
    		   <td><%=subs.getTea_name() %></td>
    		   <td><%=subs.getDegree() %></td>
    		   <td><input name="data" type="checkbox" /></td>
    		</tr>
    		<%
                }
    		%>
    	  </table>
    	</div>
        <div class="modal-footer">
    	   <button type="button" class="btn btn-primary" οnclick="checkbox()">
    	     <span class="glyphicon glyphicon-open"></span>确定
    	   </button>
    	   <button type="button" class="btn btn-default" data-dismiss="modal">关闭
    	   </button>
        </div>
      </div>
     </div>
    </body>
    </html>

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