1、创建如下项目结构
2、在src下的com.entity包下创建Dept.java
1 package com.entity;
2 /**
3 * 部门表
4 * @author Holly老师
5 *
6 */
7 public class Dept {
8 private Integer deptno; //部门编号
9 private String dname; //部门名称
10 private String loc; //位置
11
12
13 public Dept() {
14 }
15
16 public Dept(Integer deptno, String dname, String loc) {
17 this.deptno = deptno;
18 this.dname = dname;
19 this.loc = loc;
20 }
21
22 public Integer getDeptno() {
23 return deptno;
24 }
25
26 public void setDeptno(Integer deptno) {
27 this.deptno = deptno;
28 }
29
30 public String getDname() {
31 return dname;
32 }
33
34 public void setDname(String dname) {
35 this.dname = dname;
36 }
37
38 public String getLoc() {
39 return loc;
40 }
41
42 public void setLoc(String loc) {
43 this.loc = loc;
44 }
45
46 }
Dept.java
3、在src下的com.page包下创建Page.java
1 package com.page;
2 /**
3 *
4 * @author Holly老师
5 *
6 */
7 public class Page {
8 private Integer pageno;
9 private Integer pagesize;
10 private Integer totalcount;
11 private Integer totalpage;
12 private Integer startrow;
13 private Integer endrow;
14
15
16 public Page() {
17 }
18 public Page(Integer pageno, Integer pagesize, Integer totalcount) {
19 this.pageno = pageno;
20 this.pagesize = pagesize;
21 this.startrow=pageno*pagesize;
22 this.endrow=(pageno-1)*pagesize;
23 this.totalcount = totalcount;
24 this.setTotalpage(totalcount);
25 }
26 public Integer getPageno() {
27 return pageno;
28 }
29 public void setPageno(Integer pageno) {
30 this.pageno = pageno;
31 }
32 public Integer getPagesize() {
33 return pagesize;
34 }
35 public void setPagesize(Integer pagesize) {
36 this.pagesize = pagesize;
37 }
38 public Integer getTotalcount() {
39 return totalcount;
40 }
41 public void setTotalcount(Integer totalcount) {
42 this.totalcount = totalcount;
43 }
44 public Integer getTotalpage() {
45 return totalpage;
46 }
47 /**
48 * 总条数
49 * @param totalcount
50 */
51 public void setTotalpage(Integer totalcount) {
52 this.totalpage = totalcount%pagesize==0? totalcount/pagesize:totalcount/pagesize+1;
53 }
54 public Integer getStartrow() {
55 return startrow;
56 }
57 public void setStartrow(Integer startrow) {
58 this.startrow = startrow;
59 }
60 public Integer getEndrow() {
61 return endrow;
62 }
63 public void setEndrow(Integer endrow) {
64 this.endrow = endrow;
65 }
66
67
68 }
Page.java
4、在src下的com.mapper包下创建DeptMapper.java
1 package com.mapper;
2
3 import java.util.List;
4
5 import com.entity.Dept;
6 import com.page.Page;
7
8 /**
9 * 数据访问层接口
10 * @author Holly老师
11 *
12 */
13 public interface DeptMapper {
14
15 //查询所有
16 public List<Dept> findAll();
17 //分页查询
18 public List<Dept> findPage(Page page);
19 //查询总记录数
20 public Integer findCount();
21 //根据id查询
22 public Dept findById(int id);
23 //保存对象
24 public int saveDept(Dept dept);
25 //修改对象
26 public int updateDept(Dept dept);
27 //根据id删除
28 public int deleteById(int id);
29 }
DeptMapper.java
5、在src下的com.mapper包下创建DeptMapper.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
3 <mapper namespace="com.mapper.DeptMapper">
4 <!-- 查询所有 -->
5 <select id="findAll" resultType="dept">
6 select * from dept
7 </select>
8 <!-- 分页查询 -->
9 <select id="findPage" resultType="dept" parameterType="page">
10 <![CDATA[
11 select * from
12 (
13 select rownum r,deptno,dname,loc from dept
14 where rownum<=#{startrow}
15 )d
16 where d.r> #{endrow}
17 ]]>
18 </select>
19 <!-- 查询总记录数 -->
20 <select id="findCount" resultType="Integer">
21 select count(*) from dept
22 </select>
23 <!-- 根据id查询 -->
24 <select id="findById" parameterType="int" resultType="dept">
25 select * from dept where deptno=#{deptno}
26 </select>
27 <!-- 保存对象 -->
28 <insert id="saveDept" parameterType="dept">
29 insert into dept values(#{deptno},#{dname},#{loc})
30 </insert>
31 <!-- 修改对象 -->
32 <update id="updateDept" parameterType="dept">
33 update dept set dname=#{dname},loc=#{loc} where deptno=#{deptno}
34 </update>
35 <!-- 根据id删除 -->
36 <delete id="deleteById" parameterType="int">
37 delete from dept where deptno=#{deptno}
38 </delete>
39
40 </mapper>
DeptMapper.xml
6、在src下创建mybatis-config.xml主配置文件
1 <?xml version="1.0" encoding="UTF-8"?> 2 <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd" > 3 <configuration> 4 <!-- 别名映射 --> 5 <typeAliases> 6 <typeAlias type="com.entity.Dept" alias="dept"/> 7 <typeAlias type="com.page.Page" alias="page"/> 8 </typeAliases> 9 <!-- 注册xml文件 --> 10 <mappers> 11 <mapper resource="com/mapper/DeptMapper.xml"/> 12 </mappers> 13 </configuration>
mybatis-config.xml
7、在src下创建log4j.properties日志属性文件
1 log4j.rootLogger=DEBUG, Console 2 3 #Console 4 log4j.appender.Console=org.apache.log4j.ConsoleAppender 5 log4j.appender.Console.layout=org.apache.log4j.PatternLayout 6 log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n 7 8 log4j.logger.java.sql.ResultSet=INFO 9 log4j.logger.org.apache=INFO 10 log4j.logger.java.sql.Connection=DEBUG 11 log4j.logger.java.sql.Statement=DEBUG 12 log4j.logger.java.sql.PreparedStatement=DEBUG
log4j.properties
8、在src下的com.mapper.impl包下创建DeptMapperImpl.java
1 package com.mapper.impl;
2
3 import java.util.List;
4
5 import org.mybatis.spring.SqlSessionTemplate;
6
7 import com.entity.Dept;
8 import com.mapper.DeptMapper;
9 import com.page.Page;
10 /**
11 * 数据访问层接口的实现类
12 * @author Holly老师
13 *
14 */
15 public class DeptMapperImpl implements DeptMapper {
16 //注入seqsession对象
17 private SqlSessionTemplate sqlSessionTemplate;
18
19 //必须存在getter和setter否则xml文件不能注入,会报没有session
20 public SqlSessionTemplate getSqlSessionTemplate() {
21 return sqlSessionTemplate;
22 }
23
24 public void setSqlSessionTemplate(SqlSessionTemplate sqlSessionTemplate) {
25 this.sqlSessionTemplate = sqlSessionTemplate;
26 }
27 /**
28 * 1.根据id删除
29 */
30 public int deleteById(int id) {
31 int num=sqlSessionTemplate.delete("com.mapper.DeptMapper.deleteById", id);
32 if(num>0){
33 System.out.println("删除成功");
34 }else{
35 System.out.println("删除失败");
36 }
37 return num;
38 }
39
40 /**
41 * 2.添加部门信息
42 */
43 public int saveDept(Dept dept) {
44 int num=sqlSessionTemplate.insert("com.mapper.DeptMapper.saveDept", dept);
45 if(num>0){
46 System.out.println("添加成功");
47 }else{
48 System.out.println("添加失败");
49 }
50 return num;
51 }
52 /**
53 * 3.修改
54 */
55 public int updateDept(Dept dept) {
56 int num=sqlSessionTemplate.update("com.mapper.DeptMapper.updateDept", dept);
57 if(num>0){
58 System.out.println("修改成功");
59 }else{
60 System.out.println("修改失败");
61 }
62 return num;
63 }
64
65 /**
66 * 4.查询所有
67 */
68 public List<Dept> findAll() {
69 List<Dept> list=sqlSessionTemplate.selectList("com.mapper.DeptMapper.findAll");
70 if(list!=null){
71 System.out.println("查到所有");
72 }else{
73 System.out.println("没有查到所有");
74 }
75 return list;
76 }
77 /**
78 * 5.根据id没有查到
79 */
80 public Dept findById(int id) {
81 Dept dept=sqlSessionTemplate.selectOne("com.mapper.DeptMapper.findById",id);
82 if(dept!=null){
83 System.out.println("根据id查到");
84 }else{
85 System.out.println("根据id没有查到");
86 }
87 return dept;
88 }
89 /**
90 * 分页查询
91 */
92 public List<Dept> findPage(Page page) {
93 List<Dept> list=sqlSessionTemplate.selectList("com.mapper.DeptMapper.findPage",page);
94 if(list!=null){
95 System.out.println("分页查到了");
96 }else{
97 System.out.println("分页没有查到");
98 }
99 return list;
100 }
101 /**
102 * 查询总记录数
103 */
104 public Integer findCount() {
105 Integer totalCount=sqlSessionTemplate.selectOne("com.mapper.DeptMapper.findCount");
106 return totalCount;
107 }
108
109
110
111
112 }
DeptMapperImpl.java
9、在src下的com.service包下创建DeptService.java
1 package com.service;
2
3 import java.util.List;
4
5 import com.entity.Dept;
6 import com.page.Page;
7 /**
8 * 业务逻辑层接口
9 * @author Holly老师
10 *
11 */
12 public interface DeptService {
13 //查询所有
14 public List<Dept> findAll();
15 //分页查询
16 public List<Dept> findPage(Page page);
17 //查询总记录数
18 public Integer findCount();
19 //根据id查询
20 public Dept findById(int id);
21 //保存对象
22 public int saveDept(Dept dept);
23 //修改对象
24 public int updateDept(Dept dept);
25 //根据id删除
26 public int deleteById(int id);
27
28 }
DeptService.java
10、在src下的com.service.impl包下创建DeptServiceImpl.java
1 package com.service.impl;
2
3 import java.util.List;
4
5 import com.entity.Dept;
6 import com.mapper.DeptMapper;
7 import com.page.Page;
8 import com.service.DeptService;
9 /**
10 * 业务逻辑层接口实现类
11 * @author Holly老师
12 *
13 */
14 public class DeptServiceImpl implements DeptService {
15 //注入数据访问层对象
16 private DeptMapper dao;
17 //必须存在getter和setter,否则xml注入不了
18 public DeptMapper getDao() {
19 return dao;
20 }
21
22 public void setDao(DeptMapper dao) {
23 this.dao = dao;
24 }
25 /**
26 * 1.删除
27 */
28 public int deleteById(int id) {
29 return dao.deleteById(id);
30 }
31 /**
32 * 2.查询所有
33 */
34 public List<Dept> findAll() {
35 return dao.findAll();
36 }
37 /**
38 * 3.根据id查询
39 */
40 public Dept findById(int id) {
41 return dao.findById(id);
42 }
43 /**
44 * 4.保存对象
45 */
46 public int saveDept(Dept dept) {
47 return dao.saveDept(dept);
48 }
49 /**
50 * 5.修改对象
51 */
52 public int updateDept(Dept dept) {
53 return dao.updateDept(dept);
54 }
55 /**
56 * 6.分页查询
57 */
58 public List<Dept> findPage(Page page) {
59 return dao.findPage(page);
60 }
61 /**
62 * 7.查询总记录数
63 */
64 public Integer findCount() {
65 return dao.findCount();
66 }
67
68 }
DeptServiceImpl.java
11、在src下的com.action包下创建DeptAction.java
1 package com.action;
2
3 import java.util.List;
4
5 import javax.servlet.http.HttpServletRequest;
6
7 import org.apache.struts2.ServletActionContext;
8
9 import com.entity.Dept;
10 import com.opensymphony.xwork2.ActionSupport;
11 import com.page.Page;
12 import com.service.DeptService;
13 /**
14 *
15 * @author Holly老师
16 *
17 */
18 public class DeptAction extends ActionSupport {
19
20 //注入业务逻辑层对象
21 private DeptService service;
22
23 //struts标签中动态代理赋值对象
24 private Dept dept;
25
26 //分页对象
27 private Page page;
28
29 /**
30 * 1.查询所有
31 * @return
32 */
33 public String findAll(){
34 List<Dept> list=service.findAll();
35 if(list!=null){
36 HttpServletRequest request=ServletActionContext.getRequest();
37 request.setAttribute("list", list);
38 return SUCCESS;
39 }else{
40 return ERROR;
41 }
42
43 }
44
45 /**
46 * 1.分页查询所有
47 * @return
48 */
49 public String findPage(){
50 //当前页
51 Integer pageNo=1;
52 if(page!=null){
53 System.out.println("page不为空");
54 pageNo=page.getPageno();
55 }else{
56 System.out.println("page为空");
57 }
58 //页面大小
59 Integer pageSize=3;
60 //查询总条数
61 Integer totalCount= service.findCount();
62 page=new Page(pageNo, pageSize, totalCount);
63 List<Dept> list=service.findPage(page);
64 if(list!=null){
65 HttpServletRequest request=ServletActionContext.getRequest();
66 request.setAttribute("list", list);
67 request.setAttribute("page", page);
68 return SUCCESS;
69 }else{
70 return ERROR;
71 }
72
73 }
74 /**
75 * 根据id查询
76 * @return
77 */
78 public String findById(){
79 if(dept!=null){
80 Dept dt=service.findById(dept.getDeptno());
81 if(dt!=null){
82 HttpServletRequest request=ServletActionContext.getRequest();
83 request.setAttribute("dt", dt);
84 return SUCCESS;
85 }
86 }
87 return ERROR;
88
89 }
90 /**
91 * 添加
92 * @return
93 */
94 public String save(){
95 if(dept!=null){
96 int num=service.saveDept(dept);
97 if(num>0){
98 return SUCCESS;
99 }else{
100 return ERROR;
101 }
102 }
103 return ERROR;
104 }
105 /**
106 * 修改
107 * @return
108 */
109 public String update(){
110 if(dept!=null){
111 int num=service.updateDept(dept);
112 if(num>0){
113 return SUCCESS;
114 }else{
115 return ERROR;
116 }
117 }
118 return ERROR;
119
120 }
121 /**
122 * 删除
123 * @return
124 */
125 public String delete(){
126 if(dept!=null){
127 int num=service.deleteById(dept.getDeptno());
128 if(num>0){
129 return SUCCESS;
130 }else{
131 return ERROR;
132 }
133 }
134 return ERROR;
135 }
136
137
138 public DeptService getService() {
139 return service;
140 }
141
142 public void setService(DeptService service) {
143 this.service = service;
144 }
145
146 public Dept getDept() {
147 return dept;
148 }
149
150 public void setDept(Dept dept) {
151 this.dept = dept;
152 }
153
154 public Page getPage() {
155 return page;
156 }
157
158 public void setPage(Page page) {
159 this.page = page;
160 }
161
162
163 }
DeptAction.java
12、在src下创建Spring的配置文件applicationContext.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <beans xmlns="http://www.springframework.org/schema/beans" 3 xmlns:tx="http://www.springframework.org/schema/tx" 4 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 5 xsi:schemaLocation="http://www.springframework.org/schema/beans 6 http://www.springframework.org/schema/beans/spring-beans.xsd "> 7 <!-- 1.数据源配置 --> 8 <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> 9 <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver"/> 10 <property name="url" value="jdbc:oracle:thin:@127.0.0.1:1521:orcl"/> 11 <property name="username" value="scott"/> 12 <property name="password" value="tiger"/> 13 </bean> 14 15 <!-- 2.配置事务 --> 16 <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> 17 <!-- 事务中注入数据源--> 18 <property name="dataSource" ref="dataSource"/> 19 </bean> 20 21 <!-- 3.配置SqlSessionFactory --> 22 <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> 23 <!-- 注入数据源 --> 24 <property name="dataSource" ref="dataSource"/> 25 <!-- 注入mybaits主配置文件 --> 26 <property name="configLocation"> 27 <value>classpath:mybatis-config.xml</value> 28 </property> 29 </bean> 30 31 <!-- 4.获取SqlSessionTemplate --> 32 <bean id="sqlSessionTemplate" class="org.mybatis.spring.SqlSessionTemplate"> 33 <!--通过构造注入sqlsessionFactory--> 34 <!-- index表示构造的参数索引位置,type表示构造参数的类型--> 35 <constructor-arg index="0" ref="sqlSessionFactory"/> 36 </bean> 37 38 <!-- 5.实例化dao --> 39 <bean id="dao" class="com.mapper.impl.DeptMapperImpl"> 40 <!-- 注入sqlSessionTemplate --> 41 <property name="sqlSessionTemplate" ref="sqlSessionTemplate"/> 42 </bean> 43 44 <!-- 6.实例化service --> 45 <bean id="service" class="com.service.impl.DeptServiceImpl"> 46 <!-- 注入dao --> 47 <property name="dao" ref="dao"/> 48 </bean> 49 50 <!-- 7.实例化action --> 51 <bean id="DeptAction" class="com.action.DeptAction"> 52 <!-- 注入service --> 53 <property name="service" ref="service"/> 54 </bean> 55 56 </beans>
applicationContext.xml
13、在src下创建Struts2的配置文件struts.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1.7//EN" "struts-2.1.7.dtd" > 3 <struts> 4 <!-- 中文乱码处理 --> 5 <constant name="struts.i18n.encoding" value="UTF-8"/> 6 <package name="default" namespace="/" extends="struts-default"> 7 <!-- 默认首起项配置 8 9 <default-action-ref name="findPage" /> 10 --> 11 <!-- ssm框架集合时,class的值是spring配置文件的实例化action的bean的id值 --> 12 <!-- 1.查询所有 --> 13 <action name="findAll" class="DeptAction" method="findAll"> 14 <result name="success">index.jsp</result> 15 <result name="error">fail.jsp</result> 16 </action> 17 18 <!-- 1.查询所有 --> 19 <action name="findPage" class="DeptAction" method="findPage"> 20 <result name="success">index.jsp</result> 21 <result name="error">fail.jsp</result> 22 </action> 23 24 <!-- 2.根据id查询 --> 25 <action name="findById" class="DeptAction" method="findById"> 26 <result name="success">update.jsp</result> 27 <!-- 重定向到action --> 28 <result name="error" type="redirectAction">findAll</result> 29 </action> 30 31 <!-- 3.添加 --> 32 <action name="save" class="DeptAction" method="save"> 33 <!-- 重定向到action --> 34 <result name="success" type="redirectAction">findAll</result> 35 <result name="error">insert.jsp</result> 36 </action> 37 38 <!-- 4.修改 --> 39 <action name="update" class="DeptAction" method="update"> 40 <!-- 重定向到action --> 41 <result name="success" type="redirectAction">findAll</result> 42 <result name="error">fail.jsp</result> 43 </action> 44 45 <!-- 5.删除 --> 46 <action name="delete" class="DeptAction" method="delete"> 47 <!-- 重定向到action --> 48 <result name="success" type="redirectAction">findAll</result> 49 <result name="error">fail.jsp</result> 50 </action> 51 52 53 </package> 54 55 </struts>
struts.xml
14、编辑WebRoot下的WEB-INF下web.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> 3 <context-param> 4 <param-name>contextConfigLocation</param-name> 5 <param-value>classpath:applicationContext.xml</param-value> 6 </context-param> 7 <listener> 8 <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> 9 </listener> 10 11 <filter> 12 <filter-name>struts2</filter-name> 13 <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> 14 </filter> 15 16 <filter-mapping> 17 <filter-name>struts2</filter-name> 18 <url-pattern>*.action</url-pattern> 19 </filter-mapping> 20 21 <welcome-file-list> 22 <welcome-file></welcome-file> 23 </welcome-file-list> 24 25 </web-app>
web.xml
15、在WebRoot下创建index.jsp文件
1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
2 <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
3 <%
4 String path = request.getContextPath();
5 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
6 %>
7
8 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
9 <html>
10 <head>
11 <base href="<%=basePath%>">
12
13 <title>My JSP ‘index.jsp‘ starting page</title>
14 <meta http-equiv="pragma" content="no-cache">
15 <meta http-equiv="cache-control" content="no-cache">
16 <meta http-equiv="expires" content="0">
17 <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
18 <meta http-equiv="description" content="This is my page">
19 <!--
20 <link rel="stylesheet" type="text/css" href="styles.css">
21 -->
22 </head>
23
24 <body>
25 <center>
26 <a href="insert.jsp">添加</a>
27 <table border="1">
28 <tr><td>部门编号</td><td>部门名称</td><td>部门地址</td><td>操作</td></tr>
29 <c:forEach var="i" items="${requestScope.list}">
30 <tr>
31 <td>${i.deptno}</td>
32 <td>${i.dname}</td>
33 <td>${i.loc}</td>
34 <td>
35 <a href="delete.action?dept.deptno=${i.deptno}">删除</a>
36 |
37 <a href="findById.action?dept.deptno=${i.deptno}">修改</a>
38 </td>
39 </tr>
40 </c:forEach>
41 </table>
42 第${page.pageno}/${page.totalpage }页
43 <a href="findPage.action?page.pageno=1">首页</a>
44 <c:choose>
45 <c:when test="${page.pageno>1}">
46 <a href="findPage.action?page.pageno=${page.pageno-1 }">上一页</a>
47 </c:when>
48 <c:otherwise>
49 <a href="javascript:alert(‘已经是第一页了！‘);">上一页</a>
50
51 </c:otherwise>
52 </c:choose>
53
54 <c:choose>
55 <c:when test="${page.pageno<page.totalpage}">
56 <a href="findPage.action?page.pageno=${page.pageno+1 }">下一页</a>
57 </c:when>
58 <c:otherwise>
59 <a href="javascript:alert(‘已经是最后一页了！‘);">上一页</a>
60
61 </c:otherwise>
62 </c:choose>
63 <a href="findPage.action?page.pageno=${page.totalpage}">末页</a>
64 总${page.totalcount }条
65 </center>
66 </body>
67 </html>
index.jsp
16、在WebRoot下创建insert.jsp文件
1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> 2 <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> 3 <% 4 String path = request.getContextPath(); 5 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; 6 %> 7 8 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 9 <html> 10 <head> 11 <base href="<%=basePath%>"> 12 13 <title>My JSP ‘index.jsp‘ starting page</title> 14 <meta http-equiv="pragma" content="no-cache"> 15 <meta http-equiv="cache-control" content="no-cache"> 16 <meta http-equiv="expires" content="0"> 17 <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> 18 <meta http-equiv="description" content="This is my page"> 19 <!-- 20 <link rel="stylesheet" type="text/css" href="styles.css"> 21 --> 22 </head> 23 24 <body> 25 <center> 26 <form action="save.action" method="post"> 27 <table border="1"> 28 <tr> 29 <td>部门编号:</td> 30 <td><input type="text" name="dept.deptno"/></td> 31 </tr> 32 <tr> 33 <td>部门名称:</td> 34 <td><input type="text" name="dept.dname"/></td> 35 </tr> 36 <tr> 37 <td>部门地址:</td> 38 <td><input type="text" name="dept.loc"/></td> 39 </tr> 40 <tr> 41 <td><input type="submit" value="提交"/></td> 42 <td><input type="reset" value="重置"/></td> 43 </tr> 44 </table> 45 </form> 46 </center> 47 </body> 48 </html>
insert.jsp
17、在WebRoot下创建update.jsp文件
1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
2 <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
3 <%
4 String path = request.getContextPath();
5 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
6 %>
7
8 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
9 <html>
10 <head>
11 <base href="<%=basePath%>">
12
13 <title>My JSP ‘index.jsp‘ starting page</title>
14 <meta http-equiv="pragma" content="no-cache">
15 <meta http-equiv="cache-control" content="no-cache">
16 <meta http-equiv="expires" content="0">
17 <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
18 <meta http-equiv="description" content="This is my page">
19 <!--
20 <link rel="stylesheet" type="text/css" href="styles.css">
21 -->
22 </head>
23
24 <body>
25 <center>
26 <fieldset>
27 <legend>修改操作</legend>
28 <form action="update.action" method="post">
29 <table border="1">
30 <tr>
31 <td>部门编号:</td>
32 <td><input type="text" name="dept.deptno" value="${dt.deptno}" readonly="readonly"/></td>
33 </tr>
34 <tr>
35 <td>部门名称:</td>
36 <td><input type="text" name="dept.dname" value="${dt.dname}"/></td>
37 </tr>
38 <tr>
39 <td>部门地址:</td>
40 <td><input type="text" name="dept.loc" value="${dt.loc}"/></td>
41 </tr>
42 <tr>
43 <td><input type="submit" value="提交"/></td>
44 <td><input type="reset" value="重置"/></td>
45 </tr>
46 </table>
47 </form>
48 </fieldset>
49
50 </center>
51 </body>
52 </html>
update.jsp
18、在WebRoot下创建fail.jsp文件
1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> 2 <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> 3 <% 4 String path = request.getContextPath(); 5 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; 6 %> 7 8 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 9 <html> 10 <head> 11 <base href="<%=basePath%>"> 12 13 <title>My JSP ‘index.jsp‘ starting page</title> 14 <meta http-equiv="pragma" content="no-cache"> 15 <meta http-equiv="cache-control" content="no-cache"> 16 <meta http-equiv="expires" content="0"> 17 <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> 18 <meta http-equiv="description" content="This is my page"> 19 <!-- 20 <link rel="stylesheet" type="text/css" href="styles.css"> 21 --> 22 </head> 23 24 <body> 25 操作失败 26 </body> 27 </html>
fail.jsp
19、运行项目如下
时间： 2024-10-16 18:37:39