Question

求struts和hibernate实现图片上传保存到数据库中，并可以在页面显示出来，并显示上传人的名字的代码啊？

Answer 1

struts.xml中
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<constant name="sruts.il8n.encoding" value="UTF-8" />
<!--<constant name="struts.multipart.maxSize" value="1024102400" />
<constant name="struts.multipart.saveDir" value="d:/upload" /> -->
<constant name="struts.ui.theme" value="simple"></constant>
<package name="struts" extends="struts-default" namespace="/">
<action name="add2" class="DomeWeb2">
<!-- 限制图片的格式和图片的大小 -->
<interceptor-ref name="fileUpload">
<param name="allowedTypes">
image/bmp,image/png,image/gif,image/jpeg,image/pjpeg
</param>
</interceptor-ref>
<!-- 默认的拦截器，必须要写 -->
<interceptor-ref name="defaultStack" />
<result name="input">add2.jsp</result>
<result name="success">showUpload1.jsp<裤埋/result>
</action> </package>
</struts>
applicationContext.xml中
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">

<bean id="高信dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName"
value="com.microsoft.sqlserver.jdbc.SQLServerDriver">
</property>
<property name="url" value="jdbc:sqlserver://localhost:1433;databaseName=bookshop">
</property>
<property name="username" value="sa"></property>
<property name="password" value="chen"><胡念蚂/property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.SQLServerDialect
</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>entity/Dome.hbm.xml</value></list>
</property></bean>
<bean id="DomeDAO" class="dao.impl.DomeDaoImpl">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
<bean id="DomeWeb2" class="web.UploadOneAction">
<property name="domeBiz" ref="DomeBiz"></property>
</bean>
<!-- 配置事务 -->
<bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<tx:advice id="txAdvice" transaction-manager="txManager">
<tx:attributes>
<tx:method name="get*" propagation="REQUIRED"
read-only="true" />
<tx:method name="find*" propagation="REQUIRED"
read-only="true" />
<tx:method name="search*" propagation="REQUIRED"
read-only="true" />
<tx:method name="query*" propagation="REQUIRED"
read-only="true" />
<tx:method name="add*" propagation="REQUIRED" />
<tx:method name="submit*" propagation="REQUIRED" />
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="insert*" propagation="REQUIRED" />
<tx:method name="del*" propagation="REQUIRED" />
<tx:method name="remove*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="modify*" propagation="REQUIRED" />
<tx:method name="check*" propagation="REQUIRED" />
<tx:method name="do*" propagation="REQUIRED" />
<tx:method name="*" propagation="REQUIRED" read-only="true" />
</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="serviceMethod"
expression="execution(* biz.impl.*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="serviceMethod" />
</aop:config>
</beans>
UploadOneAction.java类中
package web;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Date;

import org.apache.struts2.ServletActionContext;

import biz.DomeBiz;

import com.opensymphony.xwork2.ActionSupport;

import entity.Dome;

public class UploadOneAction extends ActionSupport {
private static final long serialVersionUID = 572146812454l;
private static final int BUFFER_SIZE = 16 * 1024;
private File myFile; //文件流
private String contentType; //内容类型
private String fileName; //文件名
private String imageFileName; //新文件名
private String caption; //标题

DomeBiz domeBiz ;
public void setDomeBiz(DomeBiz domeBiz) {
this.domeBiz = domeBiz;
}
private static void copy(File src, File dst) {
try {
InputStream in = null;
OutputStream out = null;
try {
in = new BufferedInputStream(new FileInputStream(src),
BUFFER_SIZE);
out = new BufferedOutputStream(new FileOutputStream(dst),
BUFFER_SIZE);
byte[] buffer = new byte[BUFFER_SIZE];
while (in.read(buffer) > 0) {
out.write(buffer);
}
} finally {
if (null != in) {
in.close();
}
if (null != out) {
out.close();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}

private static String getExtention(String fileName) {
int pos = fileName.lastIndexOf(".");
return fileName.substring(pos);
}

public String execute() {
if (myFile == null)
return INPUT;
System.out.println(this.getMyFileFileName()+"123");
imageFileName=new Date().getTime()+ getExtention(this.getMyFileFileName());
//得到图片保存的位置(根据root来得到图片保存的路径在tomcat下的该工程里)
File imageFile = new File(ServletActionContext.getServletContext().getRealPath("images")+ "/" + imageFileName);
copy(myFile, imageFile); //把图片写入到上面设置的路径里
Dome dome = new Dome();
dome.setPicture(this.getImageFileName());
domeBiz.save(dome);
return SUCCESS;
}
//得到原文件名称
public String getMyFileFileName() {
return fileName;
}

public void setMyFileFileName(String fileName) {
this.fileName = fileName;
}

public File getMyFile() {
return myFile;
}
public void setMyFile(File myFile) {
this.myFile = myFile;
}
public String getContentType() {
return contentType;
}
public void setContentType(String contentType) {
this.contentType = contentType;
}
public String getFileName() {
return fileName;
}
public void setFileName(String fileName) {
this.fileName = fileName;
}
public String getImageFileName() {
return imageFileName;
}
public void setImageFileName(String imageFileName) {
this.imageFileName = imageFileName;
}
public String getCaption() {
return caption;
}
public void setCaption(String caption) {
this.caption = caption;
}
}
add2.jsp页面
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<%
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>上传</title>
</head>
<body>
<s:form action="add2.action" method="POST"
enctype="multipart/form-data">
<s:fielderror />
<s:file name="myFile" label="Image File1" />
<s:textfield name="caption" label="Caption" />
<s:submit />
</s:form>
</body>
</html>
showUpload1.jsp页面
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%
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>显示图片</title>
</head>

<body>
<div
style="padding: 3px; border: solid 1px #cccccc; text-align: center">
<img src='images/<s:property value ="imageFileName" /> ' />
<br />
<s:property value="caption" />
</div>
<s:property value="caption" />
</body>
</html>

Answer 2

你单独的要这个东西,就算大家都会也瞎轿姿不可能帮你先写一个或者帮你一点点去找代码，你就去csdn下一个现成的java编写 什么管理系统之类的,比如图书管磨绝理系统帆李. 直接看人家写的源码,