SSHE框架整合（增删改查）
Posted 琢磨先生
tags:
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1.前期准备：jar包（c3p0、jdbc ,各个框架）
web.xml文件：spring的 转码的，和Struts2的过滤器
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
<display-name>L1219_SSHE</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<!-- spring -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:app.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 转码 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 过滤器 -->
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
Hibernate.cfg.xml的文件，并生成实体类的映射文件，
注意：现在用spring来生成映射文件。
spring的app.xml的配置，用的连接池来连接数据库
Hibernate的各种配置，sessionFactory声明当前session，通过sessionFactory.getCurrentSession()来获取，（DAO层）
声明事务
然后见如下图所示的各种包，在包中实现各接口以及实现类（impl）实现类中主要是个方法（增删改查）
Struts2的配置，主要是Action的方法的配置，(增删改查的action)
注意：name是页面发送的get或post请求的URL地址，class是spring中对应的id， method是Action类中的方法名
DAO层接口
package com.hanqi.dao;
import java.util.List;
import java.util.Map;
import com.hanqi.entity.Student;
public interface StudentDAO {
//获取数据列表
List<Student> find(int page , int rows,String sort,Map<String,String> where);
//获取数据条数
int getTotal(Map<String,String> where);
void insert(Student stu);//添加
void update(Student stu);//修改
void delete(String sno);//删除
}
DAO的实现类
package com.hanqi.dao.impl;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.hibernate.Query;
import org.hibernate.SessionFactory;
import com.hanqi.dao.StudentDAO;
import com.hanqi.entity.Student;
public class StudentDAOImpl implements StudentDAO {
private SessionFactory sessionFactory;
public void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
@Override
public List<Student> find(int page, int rows, String sort, Map<String, String> where) {
//创建基础HQL语句
String sql = "from Student where 1=1";
//判断传递的的参数
String sname = where.get("sname_s");
if(sname != null && !sname.equals(""))
{
sql += " and sname = :sname";
}
String sclass = where.get("sclass_s");
if(sclass != null && !sclass.equals(""))
{
sql += " and sclass = :sclass";
}
//排序
if(sort != null && !sort.equals(""))
{
sql += " order by " + sort;
}
//得到HQL
//并判断查询条件
Query q = sessionFactory.getCurrentSession().createQuery(sql);
if(sname != null && !sname.equals(""))
{
q.setString("sname",sname);
}
if(sclass != null && !sclass.equals(""))
{
q.setString("sclass",sclass);
}
List<Student> rtn = new ArrayList<Student>();
rtn = q.setMaxResults(rows)//每页行数
.setFirstResult((page-1)*rows).list();//起始页码
return rtn;
}
@Override
public int getTotal(Map<String, String> where) {
int rtn= 0;
//创建基础HQL语句
String sql = "select count(1) from Student where 1=1";
//判断传递的的参数
String sname = where.get("sname_s");
if(sname != null && !sname.equals(""))
{
sql += " and sname = :sname";//and前面加空格
}
String sclass = where.get("sclass_s");
if(sclass != null && !sclass.equals(""))
{
sql += " and sclass = :sclass";
}
//得到HQL
Query q = sessionFactory.getCurrentSession().createQuery(sql);
if(sname != null && !sname.equals(""))
{
q.setString("sname",sname);
}
if(sclass != null && !sclass.equals(""))
{
q.setString("sclass",sclass);
}
//获取Query对对象，定义集合并实例化
List<Object> lo = q.list();
if(lo != null && lo.size() > 0)
{
rtn = Integer.parseInt(lo.get(0).toString());//转换成int并赋值
}
return rtn;
}
//添加数据
@Override
public void insert(Student stu)
{
sessionFactory.getCurrentSession().save(stu);
}
//修改数据
@Override
public void update(Student stu)
{
sessionFactory.getCurrentSession().update(stu);
}
//删除
@Override
public void delete(String sno)
{
//Student st = (Student)se.get(Student.class, sno);
//se.delete(st);
//HQL方式执行删除
sessionFactory.getCurrentSession().createQuery("delete Student where sno =?")
.setString(0, sno)
.executeUpdate();
}
}
service接口
package com.hanqi.service;
import java.util.List;
import java.util.Map;
import com.hanqi.entity.Student;
public interface StudentService {
List<Student>getList(int page , int rows,String sort,Map<String,String> where);
int getTotal(Map<String,String> where);
String getPageJSON(int page, int rows,String sort,Map<String,String> where);
// void insert(Student stu);
// void update(Student stu);
// void delete(String sno);
//service的添加
void addStudent(Student stu);
//修改
void editStudent(Student stu);
//删除
void deleteStudent(String sno);
}
service的实现类
package com.hanqi.service.impl;
import java.util.List;
import java.util.Map;
import com.alibaba.fastjson.JSONObject;
import com.hanqi.dao.StudentDAO;
import com.hanqi.entity.Student;
import com.hanqi.service.PageJSON;
import com.hanqi.service.StudentService;
public class StudentServiceImpl implements StudentService {
private StudentDAO studentDAO;
public void setStudentDAO(StudentDAO studentDAO) {
this.studentDAO = studentDAO;
}
@Override
public List<Student> getList(int page, int rows, String sort, Map<String, String> where) {
// TODO 自动生成的方法存根
return studentDAO.find(page, rows, sort, where);
}
@Override
public int getTotal(Map<String, String> where) {
// TODO 自动生成的方法存根
return studentDAO.getTotal(where);
}
@Override
public String getPageJSON(int page, int rows, String sort, Map<String, String> where) {
PageJSON<Student> pj = new PageJSON<Student>();//引用泛型类
String rtn = JSONObject.toJSONString(pj); //"{total:0,rows:[]}";//空的JSON对象
int total = studentDAO.getTotal(where);//符合查询条件的总条数
if(total>0)
{
List<Student> ls = studentDAO.find(page, rows,sort,where);
//String ls_json = JSONArray.toJSONString(ls);//转成JSON格式
pj.setTotal(total);
pj.setRows(ls);
rtn = JSONObject.toJSONString(pj);
//转义字符，转成JSON读取的格式
//rtn = "{\\"total\\":"+total+",\\"rows\\":"+ls_json+"}" ;
}
return rtn;
}
// @Override
// public void insert(Student stu) {
// // TODO 自动生成的方法存根
// studentDAO.insert(stu);
// }
//
//
// @Override
// public void update(Student stu) {
// // TODO 自动生成的方法存根
// studentDAO.update(stu);
//
// }
//
//
// @Override
// public void delete(String sno) {
// // TODO 自动生成的方法存根
// studentDAO.delete(sno);
// }
@Override
public void addStudent(Student stu) {
// TODO 自动生成的方法存根
studentDAO.insert(stu);
}
@Override
public void editStudent(Student stu) {
// TODO 自动生成的方法存根
studentDAO.update(stu);
}
@Override
public void deleteStudent(String sno) {
// TODO 自动生成的方法存根
studentDAO.delete(sno);
}
}
Action
package com.hanqi.action;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.ServletActionContext;
import com.hanqi.entity.Student;
import com.hanqi.service.StudentService;
public class StudentAction {
private StudentService studentService;
HttpServletResponse response = ServletActionContext.getResponse();
public void setStudentService(StudentService studentService) {
this.studentService = studentService;
}
//接受参数
private int page;
private int rows;
private String sort;
private String order;
private String sname_s;
private String sclass_s;
//添加的参数
private String sno ;
private String sname ;
private String ssex;
private String sbirthday;
private String sclass;
//接受参数表示添加或修改
private String type ;
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getSno() {
return sno;
}
public void setSno(String sno) {
this.sno = sno;
}
public String getSname() {
return sname;
}
public void setSname(String sname) {
this.sname = sname;
}
public String getSsex() {
return ssex;
}
public void setSsex(String ssex) {
this.ssex = ssex;
}
public String getSbirthday() {
return sbirthday;
}
public void setSbirthday(String sbirthday) {
this.sbirthday = sbirthday;
}
public String getSclass() {
return sclass;
}
public void setSclass(String sclass) {
this.sclass = sclass;
}
public StudentService getStudentService() {
return studentService;
}
public int getPage() {
return page;
}
public void setPage(int page) {
this.page = page;
}
public int getRows() {
return rows;
}
public void setRows(int rows) {
this.rows = rows;
}
public String getSort() {
return sort;
}
public void setSort(String sort) {
this.sort = sort;
}
public String getOrder() {
return order;
}
public void setOrder(String order) {
this.order = order;
}
public String getSname_s() {
return sname_s;
}
public void setSname_s(String sname_s) {
this.sname_s = sname_s;
}
public String getSclass_s() {
return sclass_s;
}
public void setSclass_s(String sclass_s) {
this.sclass_s = sclass_s;
}
@Override
public String toString() {
return "StudentAction [page=" + page + ", rows=" + rows + ", sort=" + sort + ", order=" + order + ", sname_s="
+ sname_s + ", sclass_s=" + sclass_s + "]";
}
//返回数据列表
public void getStudentList()
{
System.out.println("this="+this);
//调用serIve
try
{
//查询参数
if(sname_s != null)
{
sname_s = new String(sname_s.getBytes("ISO-8859-1"),"UTF-8");
}
if(sclass_s != null)
{
sclass_s = new String(sclass_s.getBytes("ISO-8859-1"),"UTF-8");
}
System.out.println("sname_s="+sname_s+"sclass_s="+sclass_s);
//对条件进行打包
Map<String,String> where = new HashMap<String,String>();
where.put("sname_s", sname_s);
where.put("sclass_s", sclass_s);
//对分页情况的判断
//组合排序语句
String ls = "";
if(sort != null && order != null)
{
ls= sort + " " + order;//注意加空格
}
//System.out.println("ls="+ls);
String json = studentService.getPageJSON(page, rows,ls,where);
System.out.println("json="+json);
//返回数据
HttpServletResponse response = ServletActionContext.getResponse();
response.setCharacterEncoding("UTF-8");
response.setContentType("text/json");
response.getWriter().println(json);
}
catch(Exception e)
{
e.printStackTrace();
}
}
//添加
public void getSave()
{
HttpServletResponse response = ServletActionContext.getResponse();
String msg = "{\'success\':true,\'message\':\'保存成功\'}";
if(sno != null && type != null)
{
try
{
Student stu = new Student();
stu.setSno(sno);
stu.setSclass(sclass);
stu.setSname(sname);
stu.setSsex(ssex);
if(sbirthday !=null && !sbirthday.trim().equals(""))
{
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
stu.setSbirthday(sdf.parse(sbirthday));
}
if(type.equals("add"))//根据type判断按钮调用方法
{
studentService.addStudent(stu);
}
else
{
studentService.editStudent(stu);
}
}
catch(Exception e)
{
msg = "{\'success\':false,\'message\':\'访问失败\'}";
}
try {
response.getWriter().print(msg);
} catch (IOException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
}
else
{
msg = "{\'success\':false,\'message\':\'访问异常\'}";
try {
response.getWriter().print(msg);
} catch (IOException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
}
}
}
删除的action
package com.hanqi.action;
import java.io.IOException;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.ServletActionContext;
import com.hanqi.service.StudentService;
public class DeleteStudentAction {
private StudentService studentService;
HttpServletResponse response = ServletActionContext.getResponse();
public void setStudentService(StudentService studentService) {
this.studentService = studentService;
}
//接受删除的参数
private String snos;
public String getSnos() {
return snos;
}
public void setSnos(String snos) {
this.snos = snos;
}
//删除
public void getDelete()
{
String msg = "{\'success\':true,\'message\':\'删除成功\'}";
if(snos != null )
{
System.out.println("snos=="+snos);
try
{
String [] sno = snos.split(",");//分割
for(String s : sno)
{
studentService.deleteStudent(s);
}
}
catch(Exception e)
{
msg = "{\'success\':false,\'message\':\'访问异常\'}";
}
}
else
{
msg = "{\'success\':false,\'message\':\'删除失败\'}";
}
try {
response.getWriter().print(msg);
} catch (IOException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
}
}
页面显示层
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Insert title here</title> <!-- 顺序不可以乱 --> <!-- 1.jQuery的js包 --> <script type="text/javascript" src="jquery-easyui-1.4.4/jquery.min.js"></script> <!-- 2.css资源 --> <link rel="stylesheet" type="text/css" href="jquery-easyui-1.4.4/themes/default/easyui.css"> <!-- 3. 图标资源 --> <link rel="stylesheet" type="text/css" href="jquery-easyui-1.4.4/themes/icon.css"> <!-- 4.easyui的js包 --> <script type="text/javascript" src="jquery-easyui-1.4.4/jquery.easyui.min.js"></script> <!-- 5.本地语言 --> <script type="text/javascript" src="jquery-easyui-1.4.4/locale/easyui-lang-zh_CN.js"></script> </head> <body> <script type="text/javascript"> //把long型的日期转成yyyy-MM-dd function getDate(date) { //得到日期对象 var d = new Date(date); //得到年 月 日 var year = d.getFullYear(); var month = (d.getMonth()+1); var day = d.getDate(); //拼装 var rtn = year+"-"+(month<10 ? "0"+month : month) + "-"+(day<10 ? "0"+day : day); return rtn; } var type = "add";//定义点击按钮，初始化是添加的 $(function(){ $("#hh").datagrid({ url:\'studentAction.action\',//Struts.xml的name //冻结列 frozenColumns:[[ {field:\'id\',checkbox:true},//复选框 {field:\'sno\',title:\'学号\',width:100} ]], //定义列 列配置对象 columns:[[ {field:\'sname\',title:\'姓名\',width:200,align:\'center\'}, {field:\'ssex\',title:\'性别\',width:200,align:\'center\', formatter: function(value,row,index){ if(value == \'男\'||value == \'f\') { return \'男\'; } else { return \'女\'; } }, styler:function(value,row,index){ if(value==\'男\'|| value==\'f\') { return \'background-color:#ccccff;color:red;\'; } } }, {field:\'sbirthday\',title:\'生日\',width:200,align:\'right\', formatter:function(value, row, index){ if(value && value !="") { return getDate(value); } else { return \'无\'; } } }, {field:\'sclass\',title:\'班级\',width:200,align:\'center\'} ]] , fitColumns:true, //列自适应宽度，不能和冻结列同时设置为true striped:true, //斑马线 idField:\'sno\', //主键列 rownumbers:true, //显示行号 singleSelect:false, //是否单选 pagination:true, //分页栏 pageList:[8,16,24,32] , //每页行数选择列表 pageSize:8 , //初始每页行数 remoteSort:true , //是否服务器端排序，设成false才能客户端排序 sortName:\'sno\',//排序字段,基于服务器端排序 sortOrder:\'desc\',//排序顺序 //顶部工具栏 toolbar:[ { iconCls:\'icon-search\', text:\'查询\', handler:function(){ //序列化查询表单 var f = $("#form2").serialize(); //alert(f); $("#hh").datagrid({url:"studentAction.action?"+f})},//把查询条件带给servlet }, { iconCls:\'icon-add\', text:\'添加\', handler:function(){ type ="add"; //$("#sno").textbox({readonly:false}); //清除表单旧数据 $("#form1").form("reset");//重置表单数据 $("#saveStu").dialog(\'open\'); } }, { iconCls:\'icon-edit\', text:\'修改\', handler:function(){ type ="edit"; //判断是否选中一条数据 var data = $("#hh").datagrid(\'getSelected\'); if(data) { //alert(date); //设置主键字段只读 $("#sno").textbox({readonly:true}); $("#form1").form("reset");//重置表单数据 $(\'#form1\').form(\'load\',{sno:data.sno, sname:data.sname, ssex:data.ssex, sbirthday:getDate(data.sbirthday), sclass:data.sclass }); //$("#form1").form() $("#saveStu").dialog({title:\'修改学生\'}).dialog(\'open\'); } else { $.messager.show({ title:\'提示\', msg:\'请选中一条记录\' }); } } }, { iconCls:\'icon-delete\', text:\'删除\', handler:function(){ //getSelections返回所有被选中的行，当没有记录被选中的时候将返回一个空数组。 var data = $("#hh").datagrid(\'getSelections\'); if(data.length > 0) { //alert("条数="+data.length); $.messager.confirm( \'确认\',\'您确认要删除吗？\',function(r){ if(r) { //alert("fff="+data[0].sno); //使用数组保存选中数据的记录主键 var snos=[]; for(var i = 0 ; i<data.length;i++) { snos [i]= data[i].sno; } //把要删除的主键传递给Servlet $.get("deleteStudent.action?snos="+snos, function(rtn){ //alert(rtn); //解析 var ms = eval("("+ rtn +")"); if(ms.success) { //若删除成功刷新页面 $("#hh").datagrid(\'reload\'); } $.messager.show({ title:\'提示\', msg:ms.message }); }); } } ); } else { $.messager.show({ title:\'提示\', msg:\'请选择一条要删除的数据\' }) } } } ], }); }) </script> <div id="search" class="easyui-panel" title="查询条件" style="height:80px;width:100%" data-options="{ iconCls:\'icon-search\', collapsible:true}"> <form id="form2"><br> <table border="0" style="margin-left:30px"> <tr> <td>姓名：<input class="easyui-textbox" id="sname_s" name="sname_s"></td> <td>班级：<input class="easyui-textbox" id="sclass_s" name="sclass_s"></td> </tr> </table> </form> </div> <table id="hh"></table> <div class="easyui-dialog" id="saveStu" style="width:400px; height:300px" title="添加学生" data-options="{ closed:true, modal:true, buttons:[{ text:\'保存\', iconCls:\'icon-save\', handler:function(){ $(\'#form1\').form(\'submit\',{ url:\'saveStudent.action?type=\'+ type, // onSubmit:function(){ var isValid = $(this).form(\'validate\'); if(!isValid) { $.messager.show({ title:\'消息\', msg:\'数据验证未通过\' }); } return isValid; // 返回false终止表单提交 }, success:function(data){ var msg = eval(\'(\'+ data +\')\');//eval是js的方法 if(!msg.success) { alert(msg.message); } else { $(\'#hh\').datagrid(\'load\'); $.messager.show({ title:\'消息\', msg:\'数据验证通过,保存成功\' }); $(\'#saveStu\').dialog(\'close\'); } } }); } }, { text:\'取消\', iconCls:\'icon-cancel\', handler:function(){$(\'#saveStu\').dialog(\'close\')}, }] }"> <form action="" id="form1" method="post"><br><br> <table border="0" width=100%> <tr> <td align="right" width="30%">学号：</td> <td> <input class="easyui-textbox" id="sno" name="sno" data-options="required:true,validType:\'length[3,8]\'"> </td> </tr> <tr> <td align="right" width="30%">姓名：</td> <td> <input class="easyui-textbox" id="sname" name="sname" data-options="required:true,validType:\'length[2,3]\'"> </td> </tr> <tr> <td align="right" width="30%">性别：</td> <td> <input type="radio" name="ssex" value="男" checked>男 <input type="radio" name="ssex" value="女">女 </td> </tr> <tr> <td align="right" >生日：</td> <td> <input class="easyui-datebox" id="sbirthday" name="sbirthday" data-options="required:false,"> </td> </tr> <tr> <td align="right" >班级：</td> <td> <input class="easyui-textbox" id="sclass" name="sclass" data-options="required:true,validType:\'length[5,5]\'"> </td> </tr> </table> </form> </div> </body> </html>
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