标签：Code String QueryBookException Day16 static public View
exception包QueryBookException类
public class QueryBookException extends RuntimeException {
public QueryBookException() {
}
public QueryBookException(String message) {
super(message);
}
public QueryBookException(Throwable cause) {
super(cause);
}
public QueryBookException(String message, Throwable cause) {
super(message, cause);
}
}
View Code
utils包DbcpUtil类
public class DbcpUtils {
public static DataSource dataSource;
static{
try {
String myFile = "dbcp.properties";
InputStream in = DbcpUtils.class.getClassLoader().getResourceAsStream(myFile);
Properties p = new Properties();
p.load(in);
dataSource = BasicDataSourceFactory.createDataSource(p);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
// 获取数据源
public static DataSource getDataSource(){
return dataSource;
}
// 获取连接
public static Connection getConnection() throws SQLException {
return dataSource.getConnection();
}
}
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utils包SetPhotoPath类
public class SetPhotoPath {
public static String makeDir(String storeDirectory ,String filename){
int hashCode = filename.hashCode();
int dir1 = hashCode&0xf;
int dir2 = (hashCode&0xf)>>4;
String newPath = "/"+dir1+"/"+dir2;
File file = new File(storeDirectory, newPath);
if(!file.exists()){
file.mkdirs();
}
return newPath;
}
}
View Code
1.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ include file="/1.jsp" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
pageContext.setAttribute("basePath", basePath);
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>分类列表</title>
<style>
table{
text-align: center;
font-size: 12px;
}
</style>
</head>
View Code
5.jsp
<%@ 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 HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP '5.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<jsp:forward page="/WEB-INF/3.jsp"></jsp:forward>
<jsp:include page="/header.jsp"></jsp:include>
</body>
</html>
View Code
addBook.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ include file="/header.jsp" %>
<br/>
<hr/>
<br/>
<!--
文件上传时：
|--- 表单中必须要采用的方式 enctype
-->
<form action="${basePath}servlet/ControlServlet?op=addBook" method="post" enctype="multipart/form-data" >
<table border="1">
<tr>
<td>书名</td>
<td><input type="text" name="name"></td>
</tr>
<tr>
<td>作者</td>
<td><input type="text" name="author"></td>
</tr>
<tr>
<td>描述</td>
<td><input type="text" name="description"></td>
</tr>
<tr>
<td>单价</td>
<td><input type="text" name="price"></td>
</tr>
<tr>
<td>图片</td>
<td><input type="file" name="photoname"></td>
</tr>
<tr>
<td>图片预览</td>
<td><img src="${basePath}images${b.path}/${b.photoName}" ></td>
</tr>
<tr>
<td>出版社</td>
<td><input type="text" name="publish"></td>
</tr>
<tr>
<td>分类</td>
<td><select name="categoryId">
<c:forEach items="${cs}" var="c" >
<option value="${c.id}" >${c.name}</option>
</c:forEach>
</select></td>
</tr>
<tr>
<td colspan="2"><input type="submit" value="添加图书"></td>
</tr>
</table>
</form>
</body>
</html>
View Code
addCategory.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ include file="/header.jsp" %>
<br/>
<hr/>
<br/>
<!--${pageContext.request.contextPath}是为了获取这个路径：http://localhost:8888/bookstore -->
<form action="${pageContext.request.contextPath}/servlet/ControlServlet?op=addCategory" method="post" >
<table border="1">
<!-- 第1行 -->
<tr>
<td>分类名称</td>
<td><input type="text" name="name"></td>
</tr>
<!-- 第2行 -->
<tr>
<td>分类描述</td>
<td><textarea rows="3" cols="15" name="description"></textarea>
</td>
</tr>
<!-- 第3行 -->
<tr>
<td colspan="2"><input type="submit" value="添加分类"></td>
</tr>
</table>
</form>
</body>
</html>
View Code
标签：Code,String,QueryBookException,Day16,static,public,View 来源： https://www.cnblogs.com/headl-voi/p/15828104.html
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