l老师，出现个500的错误
Filter
package com.imooc.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebFilter("/AuthFilter")
public class AuthFilter implements Filter {
public AuthFilter() {
}
public void destroy() {
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
HttpServletRequest hrequest=(HttpServletRequest) request;
HttpServletResponse hresponse=(HttpServletResponse) response;
String loginUser=(String) hrequest.getSession().getAttribute("loginUser");
if(loginUser==null) {
hresponse.sendRedirect(hrequest.getContextPath()+"/login.jsp?flag=1");
return;
}else {
chain.doFilter(request, response);
return;
}
}
public void init(FilterConfig fConfig) throws ServletException {
}
}package com.imooc.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
@WebFilter("/EncodeFilter")
public class EncodeFilter implements Filter {
private FilterConfig config;
public EncodeFilter() {
}
public void destroy() {
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
request.setCharacterEncoding(config.getInitParameter("charset"));
chain.doFilter(request, response);
}
public void init(FilterConfig config) throws ServletException {
this.config=config;
}
public FilterConfig getConfig() {
return config;
}
public void setConfig(FilterConfig config) {
this.config = config;
}
}mainclass
package com.imooc.mainclass;
public class Book {
private String bookId;
private String bookName;
private String categoryBook;
private Float price;
private String path;
private String description;
public Book() {
super();
}
public Book(String bookId, String bookName, String categoryBook, Float price, String path, String description) {
super();
this.bookId = bookId;
this.bookName = bookName;
this.categoryBook = categoryBook;
this.price = price;
this.path = path;
this.description = description;
}
public String getBookId() {
return bookId;
}
public void setBookId(String bookId) {
this.bookId = bookId;
}
public String getBookName() {
return bookName;
}
public void setBookName(String bookName) {
this.bookName = bookName;
}
public String getCategoryBook() {
return categoryBook;
}
public void setCategoryBook(String categoryBook) {
this.categoryBook = categoryBook;
}
public Float getPrice() {
return price;
}
public void setPrice(Float price) {
this.price = price;
}
public String getPath() {
return path;
}
public void setPath(String path) {
this.path = path;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
@Override
public String toString() {
return "Book [bookId=" + bookId + ", bookName=" + bookName + ", categoryBook=" + categoryBook + ", price="
+ price + ", path=" + path + ", description=" + description + "]";
}
}package com.imooc.mainclass;
public class Category {
private String categoryId;
private String categoryName;
public Category() {
super();
}
public Category(String categoryId, String categoryName) {
super();
this.categoryId = categoryId;
this.categoryName = categoryName;
}
public String getCategoryId() {
return categoryId;
}
public void setCategoryId(String categoryId) {
this.categoryId = categoryId;
}
public String getCategoryName() {
return categoryName;
}
public void setCategoryName(String categoryName) {
this.categoryName = categoryName;
}
@Override
public String toString() {
return "Category [categoryId=" + categoryId + ", categoryName=" + categoryName + "]";
}
}package com.imooc.mainclass;
public class User {
private String username;
private String password;
public User() {
}
public User(String username, String password) {
super();
this.username = username;
this.password = password;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
@Override
public String toString() {
return "User [username=" + username + ", password=" + password + "]";
}
}service
package com.imooc.service;
import com.imooc.mainclass.Category;
import com.imooc.service.impl.CategoryServiceImpl;
public interface CategoryService {
public void addCategory(String categoryId, String categoryName);
public Category check(Category category);
public void deleteCategory(String categoryId);
}package com.imooc.service;
import java.util.List;
import com.imooc.mainclass.User;
public interface UserService {
User login(List<User> userList, User user);
}serviceImpl
package com.imooc.service.impl;
import java.util.ArrayList;
import java.util.List;
import com.imooc.mainclass.Category;
import com.imooc.service.CategoryService;
public class CategoryServiceImpl implements CategoryService {
private static final List<Category> categoryDb = new ArrayList<Category>();
public void addCategory(String categoryId, String categoryName) {
categoryDb.add(new Category(categoryId, categoryName));
}
public void deleteCategory(String categoryId) {
Category cgy = null;
for (Category category : categoryDb) {
if (category.getCategoryId().equals(categoryId)) {
cgy = category;
}
}
categoryDb.remove(cgy);
}
@Override
public Category check(Category category) {
for (Category existCategory : categoryDb) {
if (existCategory.getCategoryId().equals(category.getCategoryId())
|| existCategory.getCategoryName().equals(category.getCategoryName())) {
return existCategory;
}
}
return null;
}
}package com.imooc.service.impl;
import java.util.List;
import com.imooc.mainclass.User;
import com.imooc.service.UserService;
public class UserServiceImpl implements UserService {
@Override
public User login(List<User> userList, User user) {
for(User existUser:userList) {
if(existUser.getUsername().equals(user.getUsername())&&existUser.getPassword().equals(user.getPassword())) {
return existUser;
}
}
return null;
}
}utils
package com.imooc.utils;
import java.util.UUID;
public class UploadUtils {
public static String getUuidFileName(String fileName) {
int idx=fileName.lastIndexOf(".");
String exName=fileName.substring(idx);
String UUidFileName=UUID.randomUUID().toString().replace("-", "")+exName;
return UUidFileName;
}
}Listener
package com.imooc.web.listener;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.annotation.WebListener;
import com.imooc.mainclass.User;
@WebListener
public class InitServletContextListener implements ServletContextListener {
public InitServletContextListener() {
}
public void contextDestroyed(ServletContextEvent sce) {
}
public void contextInitialized(ServletContextEvent sce) {
//创建一个用于保存用户信息的List集合
List<User> userList=new ArrayList<User>();
userList.add(new User("admin","123456"));
userList.add(new User("user","654321"));
userList.add(new User("aaa","123123"));
userList.add(new User("bbb","456456"));
userList.add(new User("ccc","123456"));
sce.getServletContext().setAttribute("userList", userList);
}
}servlet
package com.imooc.web.servlet;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import com.imooc.mainclass.Book;
import com.imooc.utils.UploadUtils;
@WebServlet("/addBookServlet")
public class addBookServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public addBookServlet() {
super();
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
Map<String,String> map=new HashMap<String,String>();
//创建磁盘文件项工厂
DiskFileItemFactory diskFileItemFactory=new DiskFileItemFactory();
//创建核心解析类
ServletFileUpload fileUpload=new ServletFileUpload(diskFileItemFactory);
//解析请求对象，将请求分成几个部分FileItem
try {
List<FileItem> list=fileUpload.parseRequest(request);
//遍历集合，获得各个部分的对象
for(FileItem fileItem:list) {
if(fileItem.isFormField()) {
String name=fileItem.getName();
String value=fileItem.getString("UTF-8");
map.put(name, value);
}else {
String fileName=fileItem.getName();
String uuidFileName=UploadUtils.getUuidFileName(fileName);
InputStream is=fileItem.getInputStream();
String path=getServletContext().getRealPath("/upload");
String url= path+"\\"+uuidFileName;
map.put("path", request.getContextPath()+"/upload"+uuidFileName);
OutputStream os=new FileOutputStream(url);
int len=0;
byte[] b=new byte[1024];
while((len=is.read(b))!=-1) {
os.write(b, 0, len);
}
is.close();
os.close();
}
}
} catch (FileUploadException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Book book=new Book();
book.setBookId(map.get("bookId"));
book.setBookName(map.get("bookName"));
book.setCategoryBook(map.get("categoryId"));
book.setPrice(Float.parseFloat(map.get("bookPrice")));
book.setDescription(map.get("remarks"));
book.setPath(map.get("path"));
response.sendRedirect(request.getContextPath()+"/bookList.jsp");
}
}package com.imooc.web.servlet;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.imooc.mainclass.Category;
import com.imooc.service.CategoryService;
import com.imooc.service.impl.CategoryServiceImpl;
@WebServlet("/addCategoryServlet")
public class addCategoryServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public addCategoryServlet() {
super();
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//获取数据
String categoryId=request.getParameter("categoryId");
String categoryName=request.getParameter("categoryName");
Category category=new Category(categoryId,categoryName);
CategoryService categoryService=new CategoryServiceImpl();
List<Category> categoryList=(List<Category>)request.getSession().getAttribute("categoryList");
if(categoryList==null) {
categoryList=new ArrayList();
}
//将输入的数据与后台比对
Category existCategory=categoryService.check(category);
if(existCategory==null) {
//如果后台数据中为空，则添加数据，同时将分类加入到分类列表中
categoryService.addCategory(categoryId, categoryName);
categoryList.add(category);
//将列表的集合存入session中
request.getSession().setAttribute("categoryList", categoryList);
response.sendRedirect(request.getContextPath()+"/categoryList.jsp");
}else {
response.sendRedirect(request.getContextPath()+"/addCategory.jsp?flag=1");
}
}
}package com.imooc.web.servlet;
import java.io.IOException;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.imooc.mainclass.Category;
import com.imooc.service.CategoryService;
import com.imooc.service.impl.CategoryServiceImpl;
@WebServlet("/deleteCategoryServlet")
public class deleteCategoryServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public deleteCategoryServlet() {
super();
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String categoryId=request.getParameter("categoryId");
CategoryService categoryService=new CategoryServiceImpl();
categoryService.deleteCategory(categoryId);
List<Category> categoryList=(List<Category>) request.getSession().getAttribute("categoryList");
Category cate=null;
for(Category category:categoryList) {
if(category.getCategoryId().equals(categoryId)) {
cate=category;
}
}
categoryList.remove(cate);
request.getSession().setAttribute("categoryList", categoryList);
response.sendRedirect(request.getContextPath()+"/categoryList.jsp");
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
}package com.imooc.web.servlet;
import java.io.IOException;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.imooc.mainclass.User;
import com.imooc.service.UserService;
import com.imooc.service.impl.UserServiceImpl;
@WebServlet("/LoginServlet")
public class LoginServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public LoginServlet() {
super();
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String code1=(String) request.getSession().getAttribute(com.google.code.kaptcha.Constants.KAPTCHA_SESSION_KEY);
String code2=request.getParameter("checkCode");
if(code2==null||!code2.equalsIgnoreCase(code1)) {
request.setAttribute("msg", "验证码输入不正确！");
request.getRequestDispatcher("/login.jsp").forward(request, response);
return;
}
//接收数据
String username=request.getParameter("username");
String password=request.getParameter("password");
//封装数据
User user=new User(username,password);
//处理数据，完成登录
UserService userService=new UserServiceImpl();
//获取用户列表的集合
List<User> userList=(List<User>)getServletContext().getAttribute("userList");
User existUser=userService.login(userList,user);
//显示结果
if(existUser==null) {
//登录失败
request.setAttribute("msg", "用户名或者密码错误");
request.getRequestDispatcher("/login.jsp").forward(request, response);
}else {
//登录成功
request.getSession().setAttribute("existUser",existUser);
request.getSession().setAttribute("loginUser", username);
response.sendRedirect(request.getContextPath()+"/categoryList.jsp");
}
}
}jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%
String loginUser=(String)request.getSession().getAttribute("loginUser");
%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>新建图书信息</title>
<link rel="stylesheet" href="css/bootstrap.min.css">
<link rel="stylesheet" href="css/add.css">
</head>
<body>
<nav class="navbar navbar-default">
<div class="container">
<div class="navbar-header">
<a class="navbar-brand" href="/dept/list.do">
图书信息管理
</a>
</div>
</div>
</nav>
<div class="container">
<div class="jumbotron">
<h1>Hello, <%=loginUser%>!</h1>
<p>请小心地新增图书信息，要是建了一个错误的就不好了。。。</p>
</div>
<div class="page-header">
<h3><small>新建</small></h3>
</div>
<form class="form-horizontal" action="${pageContext.request.contextPath}/addBookServlet" method="post" enctype="multipart/form-data">
<div class="form-group">
<label for="name" class="col-sm-2 control-label">图书编号 ：</label>
<div class="col-sm-8">
<input name="bookId" class="form-control" id="bookId">
</div>
</div>
<div class="form-group">
<label for="name" class="col-sm-2 control-label">图书名称 ：</label>
<div class="col-sm-8">
<input name="bookName" class="form-control" id="bookName">
</div>
</div>
<div class="form-group">
<label for="categoryId" class="col-sm-2 control-label">分类 ：</label>
<select id="categoryId" name="categoryId" class="col-sm-2 form-control" style="width: auto;margin-left: 15px">
<c:forEach items="${sessionScope.categoryList}" var="cList" varStatus="idx">
<option value="${cList.categoryId}" selected="">${cList.categoryName}</option>
</c:forEach>
<!-- 下拉列表的内容要从分类中进行读取，value值是分类id -->
</select>
</div>
<div class="form-group">
<label for="name" class="col-sm-2 control-label">价格 ：</label>
<div class="col-sm-8">
<input name="bookPrice" class="form-control" id="bookPrice">
</div>
</div>
<div class="form-group" >
<label for="name" class="col-sm-2 control-label">图书封面 ：</label>
<input type="file" id="bookPic" name="bookPic" style="padding-left: 15px">
</div>
<div class="form-group">
<label for="name" class="col-sm-2 control-label">备注 ：</label>
<div class="col-sm-8">
<input name="remarks" class="form-control" id="remarks">
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-2 col-sm-10">
<button type="submit" class="btn btn-primary">保存</button>
</div>
</div>
</form>
</div>
<footer class="text-center" >
copy@imooc
</footer>
</body>
</html><%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%
String loginUser=(String)request.getSession().getAttribute("loginUser");
String flag=(String)request.getParameter("flag");
%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>新建图书分类</title>
<link rel="stylesheet" href="css/bootstrap.min.css">
<link rel="stylesheet" href="css/add.css">
<script type="text/javascript">
var flag='<%=flag%>';
if(flag=="1"){
alert("您输入的分类已存在，请重新输入");
}
</script>
</head>
<body>
<nav class="navbar navbar-default">
<div class="container">
<div class="navbar-header">
<a class="navbar-brand" href="">
图书分类管理
</a>
</div>
</div>
</nav>
<div class="container">
<div class="jumbotron">
<h1>Hello, <%=loginUser%>!</h1>
<p>请小心地新增图书分类，要是建了一个错误的就不好了。。。</p>
</div>
<div class="page-header">
<h3><small>新建</small></h3>
</div>
<form class="form-horizontal" action="${pageContext.request.contextPath}/addCategoryServlet" method="post">
<div class="form-group">
<label for="name" class="col-sm-2 control-label">分类ID ：</label>
<div class="col-sm-8">
<input name="categoryId" class="form-control" id="categoryId">
</div>
</div>
<div class="form-group">
<label for="name" class="col-sm-2 control-label">分类名称 ：</label>
<div class="col-sm-8">
<input name="categoryName" class="form-control" id="categoryName">
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-2 col-sm-10">
<button type="submit" class="btn btn-primary">保存</button>
</div>
</div>
</form>
</div>
<footer class="text-center" >
copy@imooc
</footer>
</body>
</html><%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>图书后台管理</title>
<link rel="stylesheet" href="css/index.css">
<link rel="stylesheet" href="css/bootstrap.min.css">
</head>
<body>
<header>
<div class="container">
<nav>
<a href="${pageContext.request.contextPath}/bookList.jsp" >图书信息管理</a>
</nav>
<nav>
<a href="${pageContext.request.contextPath}/categoryList.jsp" >分类管理</a>
</nav>
</div>
</header>
<section class="banner">
<div class="container">
<div>
<h1>图书管理系统</h1>
<p>图书信息管理</p>
</div>
</div>
</section>
<section class="main">
<div class="container">
<form class="form-horizontal" action="/searchBook" method="post">
<div class="form-group" style="float: right;">
<div class="col-sm-offset-2 col-sm-10">
<button type="submit" class="btn btn-primary">查询</button>
</div>
</div>
<div class="form-group" style="float: right;width: 300px;">
<div class="col-sm-8">
<input name="searchContent" class="form-control" id="searchContent"
placeholder="输入要查询的分类" style="width: 250px">
</div>
</div>
</form>
</div>
<div class="container">
<table class="table table-striped">
<thead>
<tr>
<th>序号</th>
<th>图书编号</th>
<th>图书名称</th>
<th>分类</th>
<th>价格</th>
<th>图书封面</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<c:forEach items="" var="">
<tr id="tr1">
<td>1</td>
<td>book0001</td>
<td>Java基础</td>
<td>计算机类</td>
<td>￥29</td>
<td><img src="img/g1.jpg"></td>
<td>
<a href="/updateBook?bookId=book0001">修改</a>
<a href="/deleteBook?bookId=book0001">删除</a>
</td>
<!--在循环显示数据时，此处的book0001可以用EL表达式进行替换-->
</tr>
</c:forEach>
</tbody>
</table>
</div>
</section>
<section class="page">
<div class="container">
<div id="fatie">
<a href="${pageContext.request.contextPath}/addBook.jsp"><button>新建</button></a>
</div>
</div>
</section>
<footer>
copy@慕课网
</footer>
</body>
</html><%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>图书后台管理</title>
<link rel="stylesheet" href="css/index.css">
<link rel="stylesheet" href="css/bootstrap.min.css">
</head>
<body>
<header>
<div class="container">
<nav>
<a href="${pageContext.request.contextPath}/bookList.jsp" >图书信息管理</a>
</nav>
<nav>
<a href="${pageContext.request.contextPath}/categoryList.jsp" >分类管理</a>
</nav>
</div>
</header>
<section class="banner">
<div class="container">
<div>
<h1>图书管理系统</h1>
<p>图书分类管理</p>
</div>
</div>
</section>
<section class="main">
<div class="container">
<table class="table table-striped">
<thead>
<tr>
<th>序号</th>
<th>分类编号</th>
<th>分类名称</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<c:forEach items="${sessionScope.categoryList}" var="cList" varStatus="idx">
<c:if test="${sessionScope.categoryList!=null}">
<tr>
<td>${idx.index+1}</td>
<td>${cList.categoryId}</td>
<td>${cList.categoryName}</td>
<td><a href="${pageContext.request.contextPath}/deleteCategoryServlet?categoryId=${cList.categoryId}">删除</a></td>
<!--在循环显示数据时，此处的ca0001可以用EL表达式进行替换-->
</tr>
</c:if>
</c:forEach>
</tbody>
</table>
</div>
</section>
<section class="page">
<div class="container">
<div id="fatie">
<a href="${pageContext.request.contextPath}/addCategory.jsp"><button>新建</button></a>
</div>
</div>
</section>
<footer>
copy@慕课网
</footer>
</body>
</html><%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%
String flag=request.getParameter("flag");
%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>登录</title>
<link rel="stylesheet" href="css/login.css">
<script type="text/javascript">
function changeImg(){
var codeImg=document.getElementById("codeImg");
codeImg.src="${pageContext.request.contextPath}/KaptchaServlet?time="+new Date().getTime();
}
var flag='<%=flag%>';
if(flag=="1"){
alert("请登录系统");
}
</script>
</head>
<body>
<div class="login">
<div class="header">
<h1>
<a href="/login.do">登录</a>
</h1>
<button></button>
</div>
<form action="${pageContext.request.contextPath}/LoginServlet" method="post">
<div class="name">
<input type="text" id="name" name="username" placeholder="用户名">
<p>${msg}</p>
</div>
<div class="pwd">
<input type="password" id="pwd" name="password" placeholder="密码">
<p></p>
</div>
<div class="code">
<input type="text" id="code" name="checkCode" placeholder="验证码" style="width: 150px">
<img id="codeImg" onclick="changeImg()" src="${pageContext.request.contextPath}/KaptchaServlet" style="width: 150px;height: 42px;vertical-align: middle;">
<p></p>
</div>
<div class="btn-red">
<input type="submit" value="登录" id="login-btn">
</div>
</form>
</div>
</body>
</html><%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>修改图书信息</title> <link rel="stylesheet" href="css/bootstrap.min.css"> <link rel="stylesheet" href="css/add.css"> </head> <body> <nav class="navbar navbar-default"> <div class="container"> <div class="navbar-header"> <a class="navbar-brand" href="/dept/list.do"> 图书信息管理 </a> </div> </div> </nav> <div class="container"> <div class="jumbotron"> <h1>Hello, XXX!</h1> <p>请小心的修改图书信息。。。</p> </div> <div class="page-header"> <h3><small>修改</small></h3> </div> <form class="form-horizontal" action="/dept/add.do" method="post"> <div class="form-group"> <label for="name" class="col-sm-2 control-label">图书编号 ：</label> <div class="col-sm-8"> <input name="bookId" class="form-control" id="bookId" readonly="readonly"> </div> </div> <div class="form-group"> <label for="name" class="col-sm-2 control-label">图书名称 ：</label> <div class="col-sm-8"> <input name="bookName" class="form-control" id="bookName"> </div> </div> <div class="form-group"> <label for="categoryId" class="col-sm-2 control-label">分类 ：</label> <select id="categoryId" name="categoryId" class="col-sm-2 form-control" style="width: auto;margin-left: 15px"> <option value="ca0001" selected="">计算机</option> <option value="ca0002">文学</option> <option value="ca0003">历史</option> <!-- 下拉列表的内容要从分类中进行读取，value值是分类id --> </select> </div> <div class="form-group"> <label for="name" class="col-sm-2 control-label">价格 ：</label> <div class="col-sm-8"> <input name="bookPrice" class="form-control" id="bookPrice"> </div> </div> <div class="form-group" > <label for="name" class="col-sm-2 control-label">图书封面 ：</label> <input type="file" id="bookPic" name="bookPic" style="padding-left: 15px"> </div> <div class="form-group"> <label for="name" class="col-sm-2 control-label">备注 ：</label> <div class="col-sm-8"> <input name="remarks" class="form-control" id="remarks"> </div> </div> <div class="form-group"> <div class="col-sm-offset-2 col-sm-10"> <button type="submit" class="btn btn-primary">修改</button> </div> </div> </form> </div> <footer class="text-center" > copy@imooc </footer> </body> </html>
xml
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1"> <display-name>test6_2</display-name> <servlet> <servlet-name>KaptchaServlet</servlet-name> <servlet-class>com.google.code.kaptcha.servlet.KaptchaServlet</servlet-class> <init-param> <param-name>kaptcha.textproducer.char.length</param-name> <param-value>4</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>KaptchaServlet</servlet-name> <url-pattern>/KaptchaServlet</url-pattern> </servlet-mapping> <filter> <filter-name>EncodeFilter</filter-name> <filter-class>com.imooc.filter.EncodeFilter</filter-class> <init-param> <param-name>charset</param-name> <param-value>UTF-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>EncodeFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <filter> <filter-name>AuthFilter</filter-name> <filter-class>com.imooc.filter.AuthFilter</filter-class> </filter> <filter-mapping> <filter-name>AuthFilter</filter-name> <url-pattern>/categoryList.jsp</url-pattern> </filter-mapping> </web-app>
jar包和js
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