初级登录 到过程
1. denglu.jsp 中的
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>用户登陆</title>
<link href="<%=basePath %>style/main.css" rel="stylesheet" type="text/css" />
<link href="<%=basePath%>style/jquery-ui.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="<%=basePath %>js/jquery-1.4.2.js"></script>
<script type="text/javascript" src="<%=basePath%>js/jquery-ui.js"></script>
<style type="text/css">
<!--
.STYLE1 {font-size: 12px}
-->
</style>
<script type="text/javascript">
function login(){
var studentName1=document.getElementById("studentName").value;
var studentPassword1 = document.getElementById("studentPasswod").value;
if(studentName1==""){
document.getElementById("yonghus").innerHTML="<font color='red'>请输入用户名!</font>";
return ;
}
if(studentPassword1==""){
document.getElementById("mimas").innerHTML="<font color='red'>请输入密码!</font>";
return ;
}
$.ajax({
type: "post",
url: "<%=basePath%>background/student!findByNamePassword",
data: 'studentName='+studentName1+'&studentPassword='+studentPassword1,
success: function(msg){
if(msg=="true"){
document.getElementById("loginForm").submit();
}else{
document.getElementById("tishi").innerHTML="<font color='red'>用户名或者密码错误。请重新输入</font>";
}
}
});
}
function yichu(){
document.getElementById("yonghus").innerHTML="";
}
function yichu1(){
document.getElementById("mimas").innerHTML="";
}
//注册
function zhuce(){
$("#addStu").dialog({title: '注册学生信息'});
return false;
}
//验证 注册信息
function checkAddStu(){
if($("#zstudentName").val()==""){
$("#zname").html("<font color='red'>请输入用户!</font>");
return;
}
if($("#zstudentPassword").val()==""){
$("#ztpassword").html("<font color='red'>请输入密码!</font>");
return;
}
if($("#zstudentPassword1").val()==""){
$("#ztpassword1").html("<font color='red'>请再次输入密码!</font>");
return;
}
if($("#zstudentPassword").val()!=$("#zstudentPassword1").val()){
$("#ztpasswordx").html("<font color='red'>两次输入密码不一致!</font>");
return;
}
if($("#zsex").val()==""){
$("#ztsex").html("<font color='red'>请输入性别!</font>");
return;
}
if($("#zbanji").val()==""){
$("#ztbanji").html("<font color='red'>请输入班级!</font>");
return;
}
$.ajax({
type: "post",
url: "<%=basePath %>background/student!findByName",
data: 'studentName='+$("#zstudentName").val(),
success: function(msg){
if(msg==0){
$("#addStuForm").submit();
}else{
$("#zname").html("<font color='red'>该用户已经存在！</font>");
}
}
});
}
//失去焦点的时候去掉末尾提示信息
function losname(){
$("#zname").html("");
}
function lospassword(){
$("#ztpassword").html("");
}
function lospassword1(){
$("#ztpassword1").html("");
}
function losbanji(){
$("#ztbanji").html("");
}
function losname(){
$("#zname").html("");
}
function loaslianci(){
$("#ztpasswordx").html("");
}
</script>
</head>
<body>
<!-- 注册学生信息 -->
<div id="addStu" style="display:none">
<form action="<%=basePath%>background/student!saveAll" id="addStuForm" method="post" >
用 户 名：
<input type="text" name="zstudentName" id="zstudentName" onblur="javacript:losname();"/> <span id="zname"></span>
<br />
<br />
密 码：
<input type="password" name="zstudentPassword" id="zstudentPassword" onblur="javacript:lospassword();" onclick="javacript:loaslianci();"/> <span id="ztpassword"></span>
<br />
<br />
确认密码：
<input type="password" name="zstudentPassword1" id="zstudentPassword1" onblur="javacript:lospassword1();" onclick="javacript:loaslianci();"/> <span id="ztpassword1"></span>
<br />
<span id="ztpasswordx"></span>
<br />
性 别：
<input type="radio" name="zsex" id="zsex" value="男" checked="checked"/>男
<input type="radio" name="zsex" id="zsex" value="女" />女
<br />
<br />
班 级：
<input type="text" name="zbanji" id="zbanji" onblur="javacript:losbanji();"/> <span id="ztbanji"></span>
<br />
<br />
<div align="center">
<a href="javascript:checkAddStu();">
<img alt="" src="<%=basePath%>image/queren.gif" border="0" />
</a>
<a href="" onclick="javascript:go: back(-1);">
<img alt="" src="<%=basePath%>image/fanhui.gif" border="0" />
</a>
</div>
</form>
</div>
<!-- 结束注册学生信息 -->
<div align="center">
<form action="<%=basePath%>background/student!findAll" id="loginForm" method="post">
<table>
<tr><td><span id="tishi"></span></td>></tr>
<br />
<br />
<br />
<br />
<br />
<tr>
<td>用户姓名：<input type="text" id="studentName" name="studentName" onblur="javascript:yichu();"/><span id="yonghus"></span></td>
</tr>
<br />
<br />
<tr>
<td>用户密码：<input type="password" id="studentPasswod" name="studentPasswod" onblur="javascript:yichu1();"/><span id="mimas"></span> </td>
</tr>
<br />
<br />
<tr>
<td> <input type="button" value="确认" onclick="javascript: login();" /> <input type="button" value="注册" onclick="javascript: zhuce();" /> </td>
</tr>
</table>
</form>
</div>
</body>
</html>
2.action 中的
package cn.com.kxrj.action;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.interceptor.RequestAware;
import org.apache.struts2.interceptor.SessionAware;
import com.opensymphony.xwork2.ActionSupport;
import cn.com.kxrj.manager.StudentManager;
import cn.com.kxrj.tool.Pagination;
public class StudentAction extends ActionSupport implements RequestAware,SessionAware{
/**
*
*/
private static final long serialVersionUID = 1L;
private StudentManager studentManager;
private Map<String,Object > request;
private Map<String,Object > session;
private PrintWriter out;
public String findAll(){
HttpServletRequest request= ServletActionContext.getRequest();
String currPage=request.getParameter("currPage");
if(currPage==null||currPage.equals("")){
currPage=String.valueOf("1");
}
Pagination pagination =studentManager.findAll(Integer.valueOf(currPage));
request.setAttribute("data", pagination.getList());
request.setAttribute("currPage", pagination.getCurrPage());
request.setAttribute("maxPage", pagination.getMaxPage());
request.setAttribute("maxRow", pagination.getMaxRow());
request.setAttribute("pageSize", pagination.getPageSize());
return "student_list";
}
public String deleteById(){
HttpServletRequest request = ServletActionContext.getRequest();
String studentId = request.getParameter("studentId");
System.out.println("学生ID "+studentId);
studentManager.deleteById(Integer.valueOf(studentId));
return this.findAll();
}
public String saveAll(){
HttpServletRequest request = ServletActionContext.getRequest();
String studentName =request.getParameter("zstudentName");
String sex = request.getParameter("zsex");
String banji = request.getParameter("zbanji");
String studentPassword = request.getParameter("zstudentPassword");
System.out.println("password : "+studentPassword);
studentManager.saveAll(studentName,studentPassword, sex, banji);
return "success";
}
public void findByName(){
int counts=0;
try {
HttpServletRequest request = ServletActionContext.getRequest();
String studentName = request.getParameter("studentName");
counts =studentManager.findByName(studentName,counts);
HttpServletResponse response = ServletActionContext.getResponse();
response.setCharacterEncoding("utf-8");
out = response.getWriter();
} catch (IOException e) {
e.printStackTrace();
}
System.out.println("count : 数值 等于 ： "+ counts);
out.print(counts);
}
//验证登陆
public void findByNamePassword() {
try {
HttpServletRequest request = ServletActionContext.getRequest();
String studentName = request.getParameter("studentName");
String studentPassword = request.getParameter("studentPassword");
boolean flag = studentManager.findByNamePassword(studentName, studentPassword);
System.out.println("action flag = "+flag);
HttpServletResponse response = ServletActionContext.getResponse();
response.setCharacterEncoding("utf-8");
out =response.getWriter();
out.print(flag);
} catch (IOException e) {
e.printStackTrace();
}
}
public void setRequest(Map<String, Object> request) {
this.request = request;
}
public void setSession(Map<String, Object> session) {
this.session = session;
}
public void setStudentManager(StudentManager studentManager) {
this.studentManager = studentManager;
}
}
3.manager中的
package cn.com.kxrj.manager.impl;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import cn.com.kxrj.dao.StudentDAO;
import cn.com.kxrj.manager.StudentManager;
import cn.com.kxrj.model.Student;
import cn.com.kxrj.tool.Pagination;
public class StudentManagerImpl implements StudentManager {
private StudentDAO studentDAO;
public void setStudentDAO(StudentDAO studentDAO) {
this.studentDAO = studentDAO;
}
//删除数据
public void deleteById(int id) {
Student model=studentDAO.findById(id);
studentDAO.delete(model);
}
//查询所有的数据
public Pagination findAll(int currPage) {
List list = new ArrayList();
Pagination pagination = new Pagination();
pagination.setCurrPage(currPage);
pagination.setPageSize(PAGESIZE);
/*********动态构造SQL***********/
StringBuffer sql= new StringBuffer(" from Student where 1=1 ");
List<Object> objval = new ArrayList<Object>();
Iterator it = objval.iterator();
Object[] values= new Object[objval.size()];
int i=0;
while(it.hasNext()){
/* Object val = it.next();
values[i]=val;*/
values[i]=it.next();
i++;
}
String hql = sql.toString();
System.out.println("hql : "+hql);
int offset = (pagination.getCurrPage()-1)*PAGESIZE;
list = studentDAO.findByPage(hql, values, offset, PAGESIZE);
pagination.setList(list);
int maxRow = studentDAO.maxRow(hql, values).size();
pagination.setMaxRow(maxRow);
return pagination;
}
public Student findByI(int id) {
// TODO Auto-generated method stub
return null;
}
public int findByName(String studentName, int counts) {
List list= studentDAO.findByName(studentName);
if(list.size()>0){
counts=1;
}
return counts;
}
public boolean findByNamePassword(String studentName, String password) {
boolean flag = false;
List list = studentDAO.findByNamePassword(studentName, password);
System.out.println("manager list "+list.size());
if(list.size()>0){
flag=true;
}
System.out.println("manager flag "+flag);
return flag;
}
public void saveAll(String studentName, String password, String sex,
String banji) {
studentDAO.insert(new Student(studentName,password,sex,banji));
}
}
4。 dao 中的 ：
1.
package cn.com.kxrj.tool.impl;
import java.sql.SQLException;
import java.util.List;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import cn.com.kxrj.tool.BaseDAO;
public class BaseDAOImpl extends HibernateDaoSupport implements BaseDAO {
/**
* 使用hql语句进行分页查询
* @param hql 需要查询的hql语句
* @param values 如果hql有多个个参数需要传入，values就是传入hql的参数数组
* @param offset 第一条记录索引
* @param pageSize 每页需要显示的记录数
* @return 当前页的所有记录
*/
public List findByPage(final String hql,final Object[] values,final int offset,final int pageSize) {
List list = this.getHibernateTemplate().executeFind(new HibernateCallback(){
public Object doInHibernate(Session session)
throws HibernateException, SQLException {
Query query = session.createQuery(hql);
for(int i=0; i<values.length;i++){
query.setParameter(i, values[i]);
}
List result = query.setFirstResult(offset).setMaxResults(pageSize).list();
return result;
}
});
return list;
}
/**
* 使用hql语句进行分页查询
* @param hql 需要查询的hql语句
* @param values 如果hql有多个个参数需要传入，values就是传入hql的参数数组
* @param offset 第一条记录索引
* @param pageSize 每页需要显示的记录数
* @return 当前页的所有记录
*/
public List maxRow(final String hql,final Object[] values) {
List list = this.getHibernateTemplate().executeFind(new HibernateCallback(){
public Object doInHibernate(Session session)
throws HibernateException, SQLException {
Query query = session.createQuery(hql); //查询数据
for(int i=0;i<values.length;i++){
query.setParameter(i, values[i]);
}
List result= query.list();
return result;
}
});
return list;
}
}
2.package cn.com.kxrj.dao.impl;
import java.util.List;
import cn.com.kxrj.dao.StudentDAO;
import cn.com.kxrj.model.Student;
import cn.com.kxrj.tool.impl.BaseDAOImpl;
public class StudentDAOImpl extends BaseDAOImpl implements StudentDAO {
//删除学生信息
public void delete(Student model) {
this.getHibernateTemplate().delete(model);
}
//根据id 查找一条数据
public Student findById(int id) {
return (Student) this.getHibernateTemplate().get(Student.class, id);
}
//依照姓名查找
public List<Student> findByName(String studentName) {
System.out.println("学生查找dao 名字 " +studentName);
List<Student> list =this.getHibernateTemplate().find("from Student where stuname=? ", studentName);
System.out.println("dao list "+list.size());
return list;
}
//验证
public List<Student> findByNamePassword(String studentName, String studentPassword) {
return this.getHibernateTemplate().find("from Student where stuname=? and stupassword=?", new Object[]{studentName,studentPassword});
}
//保存所有的信息
public void insert(Student model) {
this.getHibernateTemplate().save(model);
}
}
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>用户登陆</title>
<link href="<%=basePath %>style/main.css" rel="stylesheet" type="text/css" />
<link href="<%=basePath%>style/jquery-ui.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="<%=basePath %>js/jquery-1.4.2.js"></script>
<script type="text/javascript" src="<%=basePath%>js/jquery-ui.js"></script>
<style type="text/css">
<!--
.STYLE1 {font-size: 12px}
-->
</style>
<script type="text/javascript">
function login(){
var studentName1=document.getElementById("studentName").value;
var studentPassword1 = document.getElementById("studentPasswod").value;
if(studentName1==""){
document.getElementById("yonghus").innerHTML="<font color='red'>请输入用户名!</font>";
return ;
}
if(studentPassword1==""){
document.getElementById("mimas").innerHTML="<font color='red'>请输入密码!</font>";
return ;
}
$.ajax({
type: "post",
url: "<%=basePath%>background/student!findByNamePassword",
data: 'studentName='+studentName1+'&studentPassword='+studentPassword1,
success: function(msg){
if(msg=="true"){
document.getElementById("loginForm").submit();
}else{
document.getElementById("tishi").innerHTML="<font color='red'>用户名或者密码错误。请重新输入</font>";
}
}
});
}
function yichu(){
document.getElementById("yonghus").innerHTML="";
}
function yichu1(){
document.getElementById("mimas").innerHTML="";
}
//注册
function zhuce(){
$("#addStu").dialog({title: '注册学生信息'});
return false;
}
//验证 注册信息
function checkAddStu(){
if($("#zstudentName").val()==""){
$("#zname").html("<font color='red'>请输入用户!</font>");
return;
}
if($("#zstudentPassword").val()==""){
$("#ztpassword").html("<font color='red'>请输入密码!</font>");
return;
}
if($("#zstudentPassword1").val()==""){
$("#ztpassword1").html("<font color='red'>请再次输入密码!</font>");
return;
}
if($("#zstudentPassword").val()!=$("#zstudentPassword1").val()){
$("#ztpasswordx").html("<font color='red'>两次输入密码不一致!</font>");
return;
}
if($("#zsex").val()==""){
$("#ztsex").html("<font color='red'>请输入性别!</font>");
return;
}
if($("#zbanji").val()==""){
$("#ztbanji").html("<font color='red'>请输入班级!</font>");
return;
}
$.ajax({
type: "post",
url: "<%=basePath %>background/student!findByName",
data: 'studentName='+$("#zstudentName").val(),
success: function(msg){
if(msg==0){
$("#addStuForm").submit();
}else{
$("#zname").html("<font color='red'>该用户已经存在！</font>");
}
}
});
}
//失去焦点的时候去掉末尾提示信息
function losname(){
$("#zname").html("");
}
function lospassword(){
$("#ztpassword").html("");
}
function lospassword1(){
$("#ztpassword1").html("");
}
function losbanji(){
$("#ztbanji").html("");
}
function losname(){
$("#zname").html("");
}
function loaslianci(){
$("#ztpasswordx").html("");
}
</script>
</head>
<body>
<!-- 注册学生信息 -->
<div id="addStu" style="display:none">
<form action="<%=basePath%>background/student!saveAll" id="addStuForm" method="post" >
用 户 名：
<input type="text" name="zstudentName" id="zstudentName" onblur="javacript:losname();"/> <span id="zname"></span>
<br />
<br />
密 码：
<input type="password" name="zstudentPassword" id="zstudentPassword" onblur="javacript:lospassword();" onclick="javacript:loaslianci();"/> <span id="ztpassword"></span>
<br />
<br />
确认密码：
<input type="password" name="zstudentPassword1" id="zstudentPassword1" onblur="javacript:lospassword1();" onclick="javacript:loaslianci();"/> <span id="ztpassword1"></span>
<br />
<span id="ztpasswordx"></span>
<br />
性 别：
<input type="radio" name="zsex" id="zsex" value="男" checked="checked"/>男
<input type="radio" name="zsex" id="zsex" value="女" />女
<br />
<br />
班 级：
<input type="text" name="zbanji" id="zbanji" onblur="javacript:losbanji();"/> <span id="ztbanji"></span>
<br />
<br />
<div align="center">
<a href="javascript:checkAddStu();">
<img alt="" src="<%=basePath%>image/queren.gif" border="0" />
</a>
<a href="" onclick="javascript:go: back(-1);">
<img alt="" src="<%=basePath%>image/fanhui.gif" border="0" />
</a>
</div>
</form>
</div>
<!-- 结束注册学生信息 -->
<div align="center">
<form action="<%=basePath%>background/student!findAll" id="loginForm" method="post">
<table>
<tr><td><span id="tishi"></span></td>></tr>
<br />
<br />
<br />
<br />
<br />
<tr>
<td>用户姓名：<input type="text" id="studentName" name="studentName" onblur="javascript:yichu();"/><span id="yonghus"></span></td>
</tr>
<br />
<br />
<tr>
<td>用户密码：<input type="password" id="studentPasswod" name="studentPasswod" onblur="javascript:yichu1();"/><span id="mimas"></span> </td>
</tr>
<br />
<br />
<tr>
<td> <input type="button" value="确认" onclick="javascript: login();" /> <input type="button" value="注册" onclick="javascript: zhuce();" /> </td>
</tr>
</table>
</form>
</div>
</body>
</html>
2.action 中的
package cn.com.kxrj.action;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.interceptor.RequestAware;
import org.apache.struts2.interceptor.SessionAware;
import com.opensymphony.xwork2.ActionSupport;
import cn.com.kxrj.manager.StudentManager;
import cn.com.kxrj.tool.Pagination;
public class StudentAction extends ActionSupport implements RequestAware,SessionAware{
/**
*
*/
private static final long serialVersionUID = 1L;
private StudentManager studentManager;
private Map<String,Object > request;
private Map<String,Object > session;
private PrintWriter out;
public String findAll(){
HttpServletRequest request= ServletActionContext.getRequest();
String currPage=request.getParameter("currPage");
if(currPage==null||currPage.equals("")){
currPage=String.valueOf("1");
}
Pagination pagination =studentManager.findAll(Integer.valueOf(currPage));
request.setAttribute("data", pagination.getList());
request.setAttribute("currPage", pagination.getCurrPage());
request.setAttribute("maxPage", pagination.getMaxPage());
request.setAttribute("maxRow", pagination.getMaxRow());
request.setAttribute("pageSize", pagination.getPageSize());
return "student_list";
}
public String deleteById(){
HttpServletRequest request = ServletActionContext.getRequest();
String studentId = request.getParameter("studentId");
System.out.println("学生ID "+studentId);
studentManager.deleteById(Integer.valueOf(studentId));
return this.findAll();
}
public String saveAll(){
HttpServletRequest request = ServletActionContext.getRequest();
String studentName =request.getParameter("zstudentName");
String sex = request.getParameter("zsex");
String banji = request.getParameter("zbanji");
String studentPassword = request.getParameter("zstudentPassword");
System.out.println("password : "+studentPassword);
studentManager.saveAll(studentName,studentPassword, sex, banji);
return "success";
}
public void findByName(){
int counts=0;
try {
HttpServletRequest request = ServletActionContext.getRequest();
String studentName = request.getParameter("studentName");
counts =studentManager.findByName(studentName,counts);
HttpServletResponse response = ServletActionContext.getResponse();
response.setCharacterEncoding("utf-8");
out = response.getWriter();
} catch (IOException e) {
e.printStackTrace();
}
System.out.println("count : 数值 等于 ： "+ counts);
out.print(counts);
}
//验证登陆
public void findByNamePassword() {
try {
HttpServletRequest request = ServletActionContext.getRequest();
String studentName = request.getParameter("studentName");
String studentPassword = request.getParameter("studentPassword");
boolean flag = studentManager.findByNamePassword(studentName, studentPassword);
System.out.println("action flag = "+flag);
HttpServletResponse response = ServletActionContext.getResponse();
response.setCharacterEncoding("utf-8");
out =response.getWriter();
out.print(flag);
} catch (IOException e) {
e.printStackTrace();
}
}
public void setRequest(Map<String, Object> request) {
this.request = request;
}
public void setSession(Map<String, Object> session) {
this.session = session;
}
public void setStudentManager(StudentManager studentManager) {
this.studentManager = studentManager;
}
}
3.manager中的
package cn.com.kxrj.manager.impl;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import cn.com.kxrj.dao.StudentDAO;
import cn.com.kxrj.manager.StudentManager;
import cn.com.kxrj.model.Student;
import cn.com.kxrj.tool.Pagination;
public class StudentManagerImpl implements StudentManager {
private StudentDAO studentDAO;
public void setStudentDAO(StudentDAO studentDAO) {
this.studentDAO = studentDAO;
}
//删除数据
public void deleteById(int id) {
Student model=studentDAO.findById(id);
studentDAO.delete(model);
}
//查询所有的数据
public Pagination findAll(int currPage) {
List list = new ArrayList();
Pagination pagination = new Pagination();
pagination.setCurrPage(currPage);
pagination.setPageSize(PAGESIZE);
/*********动态构造SQL***********/
StringBuffer sql= new StringBuffer(" from Student where 1=1 ");
List<Object> objval = new ArrayList<Object>();
Iterator it = objval.iterator();
Object[] values= new Object[objval.size()];
int i=0;
while(it.hasNext()){
/* Object val = it.next();
values[i]=val;*/
values[i]=it.next();
i++;
}
String hql = sql.toString();
System.out.println("hql : "+hql);
int offset = (pagination.getCurrPage()-1)*PAGESIZE;
list = studentDAO.findByPage(hql, values, offset, PAGESIZE);
pagination.setList(list);
int maxRow = studentDAO.maxRow(hql, values).size();
pagination.setMaxRow(maxRow);
return pagination;
}
public Student findByI(int id) {
// TODO Auto-generated method stub
return null;
}
public int findByName(String studentName, int counts) {
List list= studentDAO.findByName(studentName);
if(list.size()>0){
counts=1;
}
return counts;
}
public boolean findByNamePassword(String studentName, String password) {
boolean flag = false;
List list = studentDAO.findByNamePassword(studentName, password);
System.out.println("manager list "+list.size());
if(list.size()>0){
flag=true;
}
System.out.println("manager flag "+flag);
return flag;
}
public void saveAll(String studentName, String password, String sex,
String banji) {
studentDAO.insert(new Student(studentName,password,sex,banji));
}
}
4。 dao 中的 ：
1.
package cn.com.kxrj.tool.impl;
import java.sql.SQLException;
import java.util.List;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import cn.com.kxrj.tool.BaseDAO;
public class BaseDAOImpl extends HibernateDaoSupport implements BaseDAO {
/**
* 使用hql语句进行分页查询
* @param hql 需要查询的hql语句
* @param values 如果hql有多个个参数需要传入，values就是传入hql的参数数组
* @param offset 第一条记录索引
* @param pageSize 每页需要显示的记录数
* @return 当前页的所有记录
*/
public List findByPage(final String hql,final Object[] values,final int offset,final int pageSize) {
List list = this.getHibernateTemplate().executeFind(new HibernateCallback(){
public Object doInHibernate(Session session)
throws HibernateException, SQLException {
Query query = session.createQuery(hql);
for(int i=0; i<values.length;i++){
query.setParameter(i, values[i]);
}
List result = query.setFirstResult(offset).setMaxResults(pageSize).list();
return result;
}
});
return list;
}
/**
* 使用hql语句进行分页查询
* @param hql 需要查询的hql语句
* @param values 如果hql有多个个参数需要传入，values就是传入hql的参数数组
* @param offset 第一条记录索引
* @param pageSize 每页需要显示的记录数
* @return 当前页的所有记录
*/
public List maxRow(final String hql,final Object[] values) {
List list = this.getHibernateTemplate().executeFind(new HibernateCallback(){
public Object doInHibernate(Session session)
throws HibernateException, SQLException {
Query query = session.createQuery(hql); //查询数据
for(int i=0;i<values.length;i++){
query.setParameter(i, values[i]);
}
List result= query.list();
return result;
}
});
return list;
}
}
2.package cn.com.kxrj.dao.impl;
import java.util.List;
import cn.com.kxrj.dao.StudentDAO;
import cn.com.kxrj.model.Student;
import cn.com.kxrj.tool.impl.BaseDAOImpl;
public class StudentDAOImpl extends BaseDAOImpl implements StudentDAO {
//删除学生信息
public void delete(Student model) {
this.getHibernateTemplate().delete(model);
}
//根据id 查找一条数据
public Student findById(int id) {
return (Student) this.getHibernateTemplate().get(Student.class, id);
}
//依照姓名查找
public List<Student> findByName(String studentName) {
System.out.println("学生查找dao 名字 " +studentName);
List<Student> list =this.getHibernateTemplate().find("from Student where stuname=? ", studentName);
System.out.println("dao list "+list.size());
return list;
}
//验证
public List<Student> findByNamePassword(String studentName, String studentPassword) {
return this.getHibernateTemplate().find("from Student where stuname=? and stupassword=?", new Object[]{studentName,studentPassword});
}
//保存所有的信息
public void insert(Student model) {
this.getHibernateTemplate().save(model);
}
}