JAVAWEB 一一 Sturts2+ibatis（框架，Sturts2，用action代替servlet）

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
	xmlns="http://java.sun.com/xml/ns/javaee"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
  <display-name></display-name>
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>

  <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>

　　

sqlMapConfig.xml

<!DOCTYPE sqlMapConfig PUBLIC "-//iBATIS.com//DTD SQL Map Config 2.0//EN"
"http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
   <settings
    cacheModelsEnabled ="true"
   lazyLoadingEnabled="true"
   enhancementEnabled="true"
   errorTracingEnabled="true"
   maxRequests="32"
   maxSessions="10"
   maxTransactions="5"
   useStatementNamespaces="true"/>
  <transactionManager type ="JDBC">
  	<dataSource type ="JNDI">
  		<property  name ="DataSource"  value ="java:comp/env/jdbc/emp" />
  	</dataSource>
  </transactionManager>
  <sqlMap  resource ="com/struts2/entity/userMap.xml" />
  <sqlMap  resource ="com/struts2/entity/bookMap.xml" />
</sqlMapConfig >

　　

bookMap.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE sqlMap PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN"
    "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="book">   

  <typeAlias alias="book" type="com.struts2.entity.Book"/>
	  	<resultMap class="Book" id="bookResultMap">
	  	<result property="bookId"/>
	  	<result property="bname"/>
	  	<result property="bprice"/>
	  	<result property="bcount"/>
	  	<result property="bds"/>
  	</resultMap>

  	<select id="getBookList" resultMap="bookResultMap">
  	select bookId,bname,bprice,bcount,bds from(
  	select e.*,rownum rn from(
  	select * from Book where 1=1
  	<isNotNull property="bname" prepend="and">
  		bname like '%$bname$%'
  	</isNotNull>
  	<isNotEmpty property="bprice" prepend="and">
  		bprice  <![CDATA[ <= $bprice$ ]]>
  	</isNotEmpty>
  	)e
  	 )
  	 where <![CDATA[ rn>=#startRow# and rn <=#endRow# ]]>
  	</select>

   <select id="getTotalCount" resultClass="java.lang.Integer">
 	select count(*)from Book where 1=1
 	  	<isNotNull property="bname" prepend="and">
  		bname like '%$bname$%'
  	</isNotNull>
  	<isNotEmpty property="bprice" prepend="and">
  		bprice  <![CDATA[ <= $bprice$ ]]>
  	</isNotEmpty>

  	</select>

	<insert id="addBook" parameterClass="Book">
	insert into BOOK(bookId,bname,bprice,bcount,bds)values
	(#bookId#,#bname#,#bprice#,#bcount#,#bds#)
	</insert>

	<select id="getBookById" resultMap="bookResultMap">
		select * from book where bookId =#bookId#
	</select>

	<update id="updateBook" parameterClass="Book">
		update book set bname=#bname#,bprice=#bprice#,bcount=#bcount#,bds=#bds#
		where bookId=#bookId#
	</update>

	<delete id="delBook" parameterClass="java.lang.Integer">
		delete from book where bookId=#bookId#
	</delete>

	<select id="getBookId" resultClass="java.lang.Integer">
		select Seq_id.Nextval from dual
	</select>
</sqlMap>

　　userMap.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE sqlMap PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN"
    "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="user">   

  <typeAlias alias="User" type="com.struts2.entity.User"/>
  <parameterMap id="userParameterMap" class="User" >
  		<parameter property="userid" />
  		<parameter property="username" />
  		<parameter property="userpassword" />
  		<parameter property="role" />
  		<parameter property="state" />
  		<parameter property="email" />
  		<parameter property="createdate" />
  </parameterMap>
  <resultMap id="userResultMap" class="User">
    <result property="userid" column="USERID"/>
    <result property="username" column="USERNAME"/>
    <result property="userpassword" column="USERPASSWORD"/>
    <result property="role" column="ROLE"/>
    <result property="state" column="STATE"/>
    <result property="email" column="EMAIL"/>
    <result property="createdate" column="CREATEDATE"/>
  </resultMap>
  <select id="getUserByName" resultMap="userResultMap">
    select * from User_New where username =#username#
  </select>
</sqlMap>

---

sturt.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
	"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
	"http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>
    <constant name="struts.enable.DynamicMethodInvocation" value="false" />

    <constant name="struts.devMode" value="true"/>

    <package name="default" namespace="/" extends="struts-default">
        <default-action-ref name="index" />

        <global-results>
            <result name="error">/error.jsp</result>
        </global-results>

        <global-exception-mappings>
            <exception-mapping exception="java.lang.Exception" result="error"/>
        </global-exception-mappings>
    </package>
	<include file="user.xml"></include>
	<include file="book.xml"></include>
</struts>

　　

　　book.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
	"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
	"http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>
 <!--    <constant name="struts.enable.DynamicMethodInvocation" value="false" /> -->
    <constant name="struts.devMode" value="true"/>

    <package name="book" namespace="/" extends="struts-default">

 		<action name="getBookList" class="com.struts2.action.BookAction">
 			<param name="list">list</param>
 			<result name="success">/jsp/list.jsp</result>
 		</action>

 		<action name="addBook" class="com.struts2.action.BookAction">

 			<result name="success" >/jsp/list.jsp</result>
 			<result name="addError" >/jsp/error.jsp</result>
 		</action>
 		<action name="getbook" class="com.struts2.action.BookAction">

 			<result name="success" >/jsp/list.jsp</result>
 			<result name="updateError" >/jsp/error.jsp</result>
 			<result name="bookObj" >/jsp/updateBook.jsp</result>
 		</action> 

  		<action name="update" class="com.struts2.action.BookAction">

 			<result name="success" >/jsp/list.jsp</result>
 			<result name="updateError" >/jsp/error.jsp</result>
 			<result name="bookObj" >/jsp/updateBook.jsp</result>
 		</action>
  		<action name="delbook" class="com.struts2.action.BookAction">

 			<result name="success" >/jsp/list.jsp</result>
 			<result name="delError" >/jsp/error.jsp</result>

 		</action>

    </package>
</struts>

　　user.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
	"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
	"http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>
<!--     <constant name="struts.enable.DynamicMethodInvocation" value="false" /> -->
    <constant name="struts.devMode" value="true"/>

    <package name="user" namespace="/" extends="struts-default">
 		<action name="login" class="com.struts2.action.UserAction">
 			<result name="success" type="redirectAction">getBookList</result>
 			<result name="input">/jsp/login.jsp</result>
 		</action>
    </package>

</struts>

　

　User.action

package com.struts2.action;

import com.opensymphony.xwork2.Action;
import com.struts2.service.UserService;
import com.struts2.service.impl.UserServiceImpl;

public class UserAction implements Action {

	private String username;
	private String password;
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	public String getUsername() {
		return username;
	}
	public void setUsername(String username) {
		this.username = username;
	}

	UserService service = new UserServiceImpl() ;

	public String execute() throws Exception {	

		boolean isLogin =service.isLogin(username, password);
		if(isLogin){
			return SUCCESS;
		}else{
			return INPUT;
		}

	}

}

　　Book.acton

package com.struts2.action;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts2.StrutsStatics;

import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionContext;
import com.struts2.entity.Book;
import com.struts2.service.BookService;
import com.struts2.service.impl.BookServiceImpl;

public class BookAction implements Action {
	private Book book;
	private String flag;
	private Integer bookId;
	private Integer totalCount;
	private Integer totalPage;

	public Book getBook() {
		return book;
	}

	public void setBook(Book book) {
		this.book = book;
	}

	public Integer getTotalPage() {
		return totalPage;
	}

	public void setTotalPage(Integer totalPage) {
		this.totalPage = totalPage;
	}

	public Integer getTotalCount() {
		return totalCount;
	}

	public void setTotalCount(Integer totalCount) {
		this.totalCount = totalCount;
	}

	public Integer getBookId() {
		return bookId;
	}

	public void setBookId(Integer bookId) {
		this.bookId = bookId;
	}

/*	public String getBookId() {
		return bookId;
	}

	public void setBookId(String bookId) {
		this.bookId = bookId;
	}*/

	public String getFlag() {
		return flag;
	}

	public void setFlag(String flag) {
		this.flag = flag;
	}

	public static final int PAGE_SIZE=5;

	public List<Book> getList() {
		return list;
	}

	public void setList(List<Book> list) {
		this.list = list;
	}

	private Integer pageIndex;

	public Integer getPageIndex() {
		return pageIndex;
	}

	public void setPageIndex(Integer pageIndex) {
		this.pageIndex = pageIndex;
	}

	BookService service = new BookServiceImpl();
	List<Book>list = new ArrayList<Book>();

	public String execute() throws Exception {
		if("2".equals(flag)){

			int bookId=service.getBookId();
			book.setBookId(bookId);
			boolean isAdd=service.addBook(book);

			book=null;

			if(!isAdd){
				return "addError";
			}
		}else if("4".equals(flag)){

			Book book2=service.getBookById(bookId);

			HttpServletRequest request=(HttpServletRequest)
			ActionContext.getContext().get(StrutsStatics.HTTP_REQUEST);
			request.setAttribute("book", book2);

			return "bookObj";
		}else if("5".equals(flag)){
			boolean ismodify = service.modifyBook(book);
			if(!ismodify){
				return "updateError";
			}
		}else if("3".equals(flag)){
			boolean isdel=service.delBook(bookId);
			if(!isdel){
				return "delError";
			}
		}

		if(pageIndex==null){

			pageIndex=1;
		}

		totalCount =service.getTotalCount(book);
		list = service.getBookList(pageIndex, PAGE_SIZE,book);
		totalPage = totalCount%PAGE_SIZE==0 ? (totalCount/PAGE_SIZE) : (totalCount/PAGE_SIZE+1);
		return SUCCESS;
	}

}

　　UserDao.java

package com.struts2.dao;

import com.struts2.entity.User;

	public interface UserDao {
		public User getUserByName(String username);

	}

　　

　　UserDaoImpl.java

package com.struts2.dao.impl;

import java.sql.SQLException;
import com.ibatis.sqlmap.client.SqlMapClient;
import com.struts2.dao.UserDao;
import com.struts2.entity.User;
import com.struts2.util.SqlMapClientUtil;

public class UserDaoImpl implements UserDao{
	SqlMapClient sqlMapClient = SqlMapClientUtil.getSqlMapClient();
	User user=null;
	public User getUserByName(String username){
		try {
			//("user.getUserByName")命名空间  id username
		user = (User)sqlMapClient.queryForObject("user.getUserByName", username);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return user;
	}	

}

　　BookDao.java

package com.struts2.dao;

import java.util.List;
import com.struts2.entity.Book;

public interface BookDao {

	public List<Book>getBookList(int pageIndex,int pageSize,Book book);

	public int getTotalCount(Book book);

	public Book getBookById(int bookId);

	public Book getBookById(String name);

	public boolean addBook(Book book);

	public boolean modifyBook(Book book);

	public boolean delBook(int bookId);

	public int getBookId();
}

　　　BookDaoImpl.java

package com.struts2.dao.impl;

import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.ibatis.sqlmap.client.SqlMapClient;
import com.struts2.dao.BookDao;
import com.struts2.entity.Book;
import com.struts2.util.SqlMapClientUtil;

public class BookDaoImpl implements BookDao {
	SqlMapClient sqlMapClient =SqlMapClientUtil.getSqlMapClient();

	@Override
	public List<Book> getBookList(int pageIndex, int pageSize,Book book) {
		Map<String,Object> map = new HashMap<String,Object>();
		List<Book>list = new ArrayList<Book>();

		try {
			int startRow=(pageIndex-1)*pageSize+1;
			int endRow=pageIndex*pageSize;
			map.put("startRow", startRow);
			map.put("endRow", endRow);
			if(book!=null){
			map.put("bname",book.getBname());

			map.put("bprice", book.getBprice());

			}
			list = sqlMapClient.queryForList("book.getBookList", map);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return list;
	}

	@Override
	public int getTotalCount(Book book) {
		Map<String,Object> map = new HashMap<String,Object>();

		int count = 0;
		try {
			if(book!=null){
			map.put("bname",book.getBname());
			map.put("bprice", book.getBprice());

			}
			count =(Integer)sqlMapClient.queryForObject("book.getTotalCount",map);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return count;
	}

	@Override
	public Book getBookById(int bookId) {

		 Book book=null;
		try {
			book = (Book)sqlMapClient.queryForObject("book.getBookById", bookId);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return book;
	}

	public Book getBookById(String name) {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public boolean addBook(Book book) {
		SqlMapClient sqlMapClient=SqlMapClientUtil.getSqlMapClient();
		try {
			int count = sqlMapClient.update("book.addBook",book);
			if(count>0){
				return true;
			}else{
				return false;
			}
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return false;
	}

	@Override
	public boolean modifyBook(Book book) {

		try {
			int count = sqlMapClient.update("book.updateBook",book);
			if(count>0){
				return true;
			}else{
				return false;
			}
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}catch(Exception e){
			e.printStackTrace();
		}
		return false;
	}

	@Override
	public boolean delBook(int bookId) {
		int count;
		try {
			count = sqlMapClient.delete("book.delBook", bookId);
			if(count>0){
				return true;
			}else{
				return false;
			}
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return false;
	}
	public int getBookId(){
		int bookId=0;
		try {
			 bookId = (Integer)sqlMapClient.queryForObject("book.getBookId");
			 return bookId;
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return bookId;
	}

}

　　

　　User.java

package com.struts2.entity;

import java.util.Date;

public class User {
	private int userid;
	private String username;
	private String userpassword;
	private int role;
	private int state;
	private String email;
	private Date createdate;

	public User(String username, String userpassword, int role, int state,
			String email, Date createdate) {
		super();
		this.username = username;
		this.userpassword = userpassword;
		this.role = role;
		this.state = state;
		this.email = email;
		this.createdate = createdate;
	}
	public User() {
		super();
		// TODO Auto-generated constructor stub
	}
	public int getUserid() {
		return userid;
	}
	public void setUserid(int userid) {
		this.userid = userid;
	}
	public String getUsername() {
		return username;
	}
	public void setUsername(String username) {
		this.username = username;
	}
	public String getUserpassword() {
		return userpassword;
	}
	public void setUserpassword(String userpassword) {
		this.userpassword = userpassword;
	}
	public int getRole() {
		return role;
	}
	public void setRole(int role) {
		this.role = role;
	}
	public int getState() {
		return state;
	}
	public void setState(int state) {
		this.state = state;
	}
	public String getEmail() {
		return email;
	}
	public void setEmail(String email) {
		this.email = email;
	}
	public Date getCreatedate() {
		return createdate;
	}
	public void setCreatedate(Date createdate) {
		this.createdate = createdate;
	}
}

　　Book.java

package com.struts2.entity;

public class Book {
	private int bookId;
	private String bname;
	private String bprice;
	private int bcount;
	private String bds;

	public Book( String bname, String bprice, int bcount, String bds) {
		super();

		this.bname = bname;
		this.bprice = bprice;
		this.bcount = bcount;
		this.bds = bds;
	}

	public Book() {
		super();
		// TODO Auto-generated constructor stub
	}

	public int getBookId() {
		return bookId;
	}
	public void setBookId(int bookId) {
		this.bookId = bookId;
	}
	public String getBname() {
		return bname;
	}
	public void setBname(String bname) {
		this.bname = bname;
	}
	public String getBprice() {
		return bprice;
	}
	public void setBprice(String bprice) {
		this.bprice = bprice;
	}
	public int getBcount() {
		return bcount;
	}
	public void setBcount(int bcount) {
		this.bcount = bcount;
	}
	public String getBds() {
		return bds;
	}
	public void setBds(String bds) {
		this.bds = bds;
	}

}

　　UserService.java

package com.struts2.service;

public interface UserService {

	public boolean isLogin(String username,String password);

}

　　UserServiceImpl.java

package com.struts2.service.impl;

import com.struts2.dao.UserDao;
import com.struts2.dao.impl.UserDaoImpl;
import com.struts2.entity.User;
import com.struts2.service.UserService;

public class UserServiceImpl implements UserService {

	public boolean isLogin(String username, String password) {

		UserDao userDao = new UserDaoImpl();
		User user = userDao.getUserByName(username);

		if (user != null) {

			String pwd = user.getUserpassword();

			if (pwd.equals(password)) {
				return true;
			}
			return false;
		} else {
			return false;
		}
	}
}

　　BookService.java

package com.struts2.service;

import java.util.List;
import com.struts2.entity.Book;

public interface BookService {

	public List<Book>getBookList(int pageIndex,int pageSize,Book book);

	public int getTotalCount(Book book);

	public Book getBookById(int bookId);

	public Book getBookById(String name);

	public boolean addBook(Book book);

	public boolean modifyBook(Book book);

	public boolean delBook(int bookId);

	public int getBookId();

}

　　　BookServiceImpl.java

package com.struts2.service.impl;

import java.util.List;
import com.struts2.dao.BookDao;
import com.struts2.dao.impl.BookDaoImpl;
import com.struts2.entity.Book;
import com.struts2.service.BookService;

public class BookServiceImpl implements BookService {
	BookDao dao = new BookDaoImpl();
	public List<Book> getBookList(int pageIndex, int pageSize,Book book) {
		//
		return dao.getBookList(pageIndex, pageSize, book);
	}

	public int getTotalCount(Book book) {

		return dao.getTotalCount(book);
	}

	public Book getBookById(int bookId) {

		return dao.getBookById(bookId);

	}

	public Book getBookById(String name) {
		// TODO Auto-generated method stub
		return null;
	}

	public boolean addBook(Book book) {

	   return dao.addBook(book);
	}

	public boolean modifyBook(Book book) {
		//
		return dao.modifyBook(book);
	}

	public boolean delBook(int bookId) {
		//
		return dao.delBook(bookId);
	}

	@Override
	public int getBookId() {
		// TODO Auto-generated method stub
		return dao.getBookId();
	}
}

　　SqlMapClientUtil.java

package com.struts2.util;

import java.io.IOException;
import java.io.Reader;
import com.ibatis.common.resources.Resources;
import com.ibatis.sqlmap.client.SqlMapClient;
import com.ibatis.sqlmap.client.SqlMapClientBuilder;

public class SqlMapClientUtil {
	public static SqlMapClient getSqlMapClient() {
		SqlMapClient sqlMapClient = null;
		Reader reader = null;

		try {
			reader = Resources.getResourceAsReader("sqlMapConfig.xml");
			sqlMapClient = SqlMapClientBuilder.buildSqlMapClient(reader);
			reader.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} finally {
			if (reader != null) {
				try {
					reader.close();
				} catch (Exception e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
		}
		return sqlMapClient;

	}
}