精細玲珑的java相冊制造辦法。本站提示廣大學習愛好者:(精細玲珑的java相冊制造辦法)文章只能為提供參考,不一定能成為您想要的結果。以下是精細玲珑的java相冊制造辦法正文
本文實例為年夜家分享了java相冊制造辦法,供年夜家參考,詳細內容以下
注:
1)html上的圖片是靜態指定的。當更新了新的圖片時必需手工更新。所以應用Servlet讀取當地images中的一切圖片,靜態顯示給用戶。
2)假如存在中文名的圖片,因為get方法沒法直接傳遞中文,會招致失足。
主頁面–index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>小小相冊</title> </head> <body> <!-- http://localhost:8080/photosWeb/ --> <h2>小小相冊</h2> <a href="jsps/upload.jsp">上傳相片</a> <a href="<%=request.getContextPath() %>/servlet/showAllImg">閱讀相片</a> </body> </html>
頁面顯示:
上傳圖片功效:
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>小小相冊</title>
</head>
<body>
<h2>小小相冊</h2>
<form action="<%=request.getContextPath() %>/servlet/uploadServlet" method="post" enctype="multipart/form-data">
照片:<input type="file" name="file"/><br/>
解釋:<input type="text" name="desc"/><br/>
<input type="submit" value="上傳"/>
</form>
</body>
</html>
package cn.hncu.servlet;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
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 org.apache.commons.io.FileUtils;
import cn.hncu.dao.PhotoDaoImpl;
import cn.hncu.domain.PhotoModel;
import cn.hncu.utils.MyUtils;
public class UploadServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.print("毛病信息:提交方法毛病...不支撐Get方法上傳照片");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>上傳照片頁面</TITLE></HEAD>");
out.println(" <BODY>");
//從上傳表單提守信息:一,封裝成photo值對象,挪用dao層存儲到後台
// 二,把上傳的照片存儲到辦事器硬盤
//數據庫:存儲照片的存儲情形的信息,,,真實的文件存儲到硬盤
DiskFileItemFactory dfi=new DiskFileItemFactory();
File file=new File("d:/a");
if(file.exists()){
file.mkdirs();
}
dfi.setRepository(file);
ServletFileUpload upload=new ServletFileUpload(dfi);
upload.setSizeMax(1024*1024*8);
upload.setHeaderEncoding("utf-8");//==>request.setCharacterEncoding("utf-8");
try {
List<FileItem> list=upload.parseRequest(request);
PhotoModel pm=new PhotoModel();
InputStream in=null;
for(FileItem fI:list){
if(fI.isFormField()){//這個不會有暫時文件
String desc=fI.getString("utf-8");
pm.setDesc(desc);
}else{
in=fI.getInputStream();
// String filename=fI.getFieldName();
// System.out.println("getFieldName:"+filename);
String fileName=fI.getName();
// System.out.println("getName:"+fileName);//測試:C:\Users\adl1\Pictures\Saved Pictures\111.jpg?
//衛前提
if(fileName==null||fileName.trim().equals("")){
out.println("沒有選擇文件,,,請必需選擇一個文件...<br/>");
String strPath2=request.getContextPath()+"/jsps/upload.jsp";
out.println("<a href=\""+strPath2+"\">前往上傳頁面</a>");
return;
}
pm.setDt(MyUtils.getCurrentDataime());
String realName=fileName.substring(fileName.lastIndexOf("\\"));//"\112.jpg"
System.out.println(realName.substring(1, realName.length()));
pm.setRealName(realName.substring(1, realName.length()));//把realName的"\"去失落
//ext擴大名
String ext=fileName.substring(fileName.lastIndexOf("."));
pm.setExt(ext);
String id=MyUtils.getUUID();
pm.setId(id);
pm.setIp(request.getRemoteAddr());
pm.setDir(MyUtils.getDir(id));
}
}
//完成photo值對象的封裝,挪用dao停止存儲
boolean boo=new PhotoDaoImpl().sava(pm);
if(boo){
//完成數據庫的存儲,接上去是辦事器硬盤的存儲
//把照片存儲到項目根目次下的photos文件夾中存儲(以打散方法存儲)
String path="photos/"+pm.getDir();
// System.out.println("path:"+path);//測試:photos/9/0
String filePath=getServletContext().getRealPath(path);
// System.out.println("filePath:"+filePath);//測試:D:\apache-tomcat-7.0.30\webapps\photosWeb\photos\9\0
File dir=new File(filePath);
if(!dir.exists()){
dir.mkdirs();
}
FileUtils.copyInputStreamToFile(in, new File(filePath+"/"+pm.getId()+pm.getExt()));
// //假如硬盤保留勝利就跳轉到主頁面--轉發
//// RequestDispatcher rd=request.getRequestDispatcher(getServletContext().getContextPath()+"/index.jsp");//"/photosWeb/photosWeb/index.jsp"
// RequestDispatcher rd=request.getRequestDispatcher("/index.jsp");//"/photosWeb/index.jsp"g
// //java代碼塊和web.xml中url的開端"/"代表項目根目次
// rd.forward(request, response);
//這裡不克不及應用轉發,詳細重定向和轉發差別:http://blog.csdn.net/xanlv/article/details/52701085
//重定向
response.sendRedirect(getServletContext().getContextPath()+"/index.jsp");
}else{
//數據庫保留掉敗--留在上傳頁面
RequestDispatcher rd=request.getRequestDispatcher("/jsps/upload..jsp");//"/photosWeb/index.jsp"
rd.forward(request, response);
}
} catch (FileUploadException e) {
throw new RuntimeException("上傳掉敗", e);
}finally{//清暫時文件
File f=new File("d:/a");
File fs[]=f.listFiles();
for(File ff:fs){
ff.delete();
}
}
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
}
頁面顯示後果:
閱讀圖片功效:
package cn.hncu.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import cn.hncu.dao.PhotoDaoImpl;
import cn.hncu.domain.PhotoModel;
public class ShowAllImgServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>相冊閱讀</TITLE></HEAD>");
out.println(" <BODY>");
String strPath=request.getContextPath()+"/jsps/upload.jsp";
out.println("<a href=\""+strPath+"\">前往上傳頁面</a>");
//String table="<table border='1px' width='100%' cellspacing='0' align='center'>"+//這類方法弗成以設置程度居中
String table="<table border='1px' width='100%' cellspacing='0' style='text-align: center;'>"+
"<tr><th>文件名</th><th>上傳日期時光</th><th>相片</th><th>相片解釋</th><th>操作</th></tr>";
out.println(table);
//從dao層把一切的照片信息讀掏出來發送到前端頁面
List<PhotoModel> list=new PhotoDaoImpl().getAllPhotos();
for(PhotoModel pm:list){
out.println("<tr>");
out.println("<td width=80>"+pm.getRealName());
out.println("</td>");
out.println("<td width=120>"+pm.getDt());
out.println("</td>");
String path=request.getContextPath()+"/photos/"+pm.getDir()+"/"+pm.getId()+pm.getExt();
//System.out.println(path);//"/photosWeb/photos/d/7/e78e18352b42410f85dbd8df834bd718.jpg"
//點擊圖片可以檢查年夜圖
out.println("<td width=100><a href='"+path+"'><img width=100 height=100 src='"+path+"'/></a>");
out.println("</td>");
out.println("<td width=200>"+pm.getDesc());
out.println("</td>");
out.println("<td width=80><a href='"+getServletContext().getContextPath()+"/servlet/delPhoto?id="+pm.getId()+"'>刪除圖片</a>");
//out.println("<a href='<%=request.getContextPath()%>/servlet/down?id="+pm.getId()+"'>下載圖片</a></td>");
out.println("<br/><a href='"+getServletContext().getContextPath()+"/servlet/down?id="+pm.getId()+"'>下載圖片</a></td>");
out.println("</tr>");
}
out.println("</table>");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.print("不支撐Post方法。。。");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
}
頁面顯示後果:
刪除功效:
package cn.hncu.servlet;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import cn.hncu.dao.PhotoDaoImpl;
import cn.hncu.domain.PhotoModel;
public class DelPhotoServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>刪除照片頁面</TITLE></HEAD>");
out.println(" <BODY>");
String id=request.getParameter("id");
String ip=request.getRemoteAddr();
PhotoDaoImpl dao=new PhotoDaoImpl();
PhotoModel pm=dao.getSingleById(id);
if(pm!=null){
if(!pm.getIp().equals(ip)){
out.println("您沒有該圖片的權限去刪除...");
String strPath=request.getContextPath()+"/servlet/showAllImg";
out.println("<br/><a href=\""+strPath+"\">前往持續閱讀</a>");
return ;
}
//刪除包括兩部門任務:消除數據庫中的信息 和 刪除辦事器硬盤中的圖片文件
//1消除數據庫中的信息
boolean boo = dao.del(id);
//2刪除辦事器硬盤中的圖片文件
if(boo){
String path="photos/"+pm.getDir()+"/"+pm.getId()+pm.getExt();
String filePath=getServletContext().getRealPath(path);
File f=new File(filePath);
if(f.exists()){
f.delete();
}
String strPath=request.getContextPath()+"/servlet/showAllImg";
// System.out.println(strPath);///photosWeb/servlet/showPhotos
out.println("刪除勝利...<br/><a href=\""+strPath+"\">前往閱讀</a>");
}else{
out.println("刪除數據庫信息掉敗");
}
}else{
out.println("文件不存在...");
String strPath=request.getContextPath()+"/servlet/showAllImg";
out.println("<br/><a href=\""+strPath+"\">前往持續閱讀</a>");
}
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>刪除照片頁面</TITLE></HEAD>");
out.println(" <BODY>");
out.print("不支撐POST方法...");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
}
頁面顯示:
下載功效:
1.在HTML頁面上應用超銜接指向要下載的文件(不平安輕易被盜鏈)。
成績:
若何肯定當地資本?
ServletContext – 代表一個web項目。一個web項目只要一個ServletContext對像。
getRealPath(“/”); //d:/prm/tom/web/
需求剖析:
在現實的開辟中,下載哪個文件,都是由用戶靜態選擇的。
如,在我們項目images目次下,存在著許多圖片文件。用戶在頁面上顯示一切圖片,用戶可以點下載銜接下載愛好的圖片。
具體設計:
應用靜態網頁顯示一切圖片。給每個圖片一個下以下載的超銜接。
在超銜接前面傳遞要下載的圖片id。
在serivice中靜態吸收圖片名。完成下載 。
package cn.hncu.servlet;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.URLEncoder;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.io.FileUtils;
import cn.hncu.dao.PhotoDaoImpl;
import cn.hncu.domain.PhotoModel;
public class DownServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//獲得被下載圖片的信息
tring id=request.getParameter("id");
PhotoModel pm=new PhotoDaoImpl().getSingleById(id);
if(pm==null){
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
response.getWriter().println("alert('該文本已不存在...')");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
//getServletContext().getContextPath()
RequestDispatcher rd=request.getRequestDispatcher("/servlet/down");//"/photosWeb/index.jsp"
//java代碼塊和web.xml中url的開端"/"代表項目根目次
rd.forward(request, response);
}else{
//真正下載: 把辦事器硬盤的照片文件讀掏出來發送給客戶端(設置呼應頭)
//獲得真實的文件
String realName=pm.getRealName();
realName=URLEncoder.encode(realName, "utf-8");//假如是中文名必需轉碼,避免文件名中文亂碼
// InputStream in=DownServlet.class.getClassLoader().getResourceAsStream(realName);
//設置顯示類型為下載
response.setContentType("application/force-download");
//設置呼應頭
response.setHeader("content-Disposition", "attachment;filename=\""+realName+"\"");
// String path=request.getContextPath()+"/photos/"+pm.getDir()+"/"+pm.getId()+pm.getExt();
String path="photos/"+pm.getDir()+"/"+pm.getId()+pm.getExt();
String filePath=getServletContext().getRealPath(path);
FileUtils.copyInputStreamToFile(request.getInputStream(), new File(filePath));
InputStream in=new FileInputStream(filePath);
OutputStream o=response.getOutputStream();
byte b[]=new byte[1024];
int len=0;
while((len=in.read(b))!=-1){
o.write(b, 0, len);
}
o.close();
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.print(" 不支撐");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
}
頁面顯示後果:
設置裝備擺設文件web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" 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_3_0.xsd"> <display-name></display-name> <servlet> <servlet-name>UploadServlet</servlet-name> <servlet-class>cn.hncu.servlet.UploadServlet</servlet-class> </servlet> <servlet> <servlet-name>ShowAllImgServlet</servlet-name> <servlet-class>cn.hncu.servlet.ShowAllImgServlet</servlet-class> </servlet> <servlet> <servlet-name>DownServlet</servlet-name> <servlet-class>cn.hncu.servlet.DownServlet</servlet-class> </servlet> <servlet> <servlet-name>DelPhotoServlet</servlet-name> <servlet-class>cn.hncu.servlet.DelPhotoServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>UploadServlet</servlet-name> <url-pattern>/servlet/uploadServlet</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>ShowAllImgServlet</servlet-name> <url-pattern>/servlet/showAllImg</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>DownServlet</servlet-name> <url-pattern>/servlet/down</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>DelPhotoServlet</servlet-name> <url-pattern>/servlet/delPhoto</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
數據庫:photos.xml
<?xml version="1.0" encoding="UTF-8"?>
<photos>
<!-- 數據庫設計
<photo id="uuid" realName="真實文件名.jpg"
dT="2016-10-03 19:51:31" ext=".jpg" dir="a/5"
ip="192.168.12.12">
<desc>照片解釋信息</desc>
</photo>
-->
</photos>
值對象:PhotoModel.java
package cn.hncu.domain;
public class PhotoModel {
//photo值對象
private String id;//UUID
private String realName;//照片真實文件名
private String ext;//擴大名
private String dir;//文件打撒後存儲的目次
private String dt;//上傳日期時光
private String ip;//上傳客戶真個ip地址
private String desc;//照片解釋
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getRealName() {
return realName;
}
public void setRealName(String realName) {
this.realName = realName;
}
public String getExt() {
return ext;
}
public void setExt(String ext) {
this.ext = ext;
}
public String getDir() {
return dir;
}
public void setDir(String dir) {
this.dir = dir;
}
public String getDt() {
return dt;
}
public void setDt(String dt) {
this.dt = dt;
}
public String getIp() {
return ip;
}
public void setIp(String ip) {
this.ip = ip;
}
public String Dreturn desc;
}
public void setDesc(String desc) {
this.desc = desc;
}
}
dao層:這裡簡寫了,只寫了完成類PhotoDaoImpl.java
package cn.hncu.dao;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.dom4j.Document;
import org.dom4j.Element;
import cn.hncu.domain.PhotoModel;
import cn.hncu.utils.DomFactory;
public class PhotoDaoImpl {
public boolean sava(PhotoModel pm){
Document dom=DomFactory.getDom();
Element root=dom.getRootElement();
Element e=root.addElement("photo");
e.addAttribute("id", pm.getId());
e.addAttribute("dir", pm.getDir());
e.addAttribute("dt", pm.getDt());
e.addAttribute("ext", pm.getExt());
e.addAttribute("ip", pm.getIp());
e.addAttribute("realName", pm.getRealName());
e.addElement("desc").setText(pm.getDesc());
boolean b=DomFactory.save();
if(b){
return true;
}
return false;
}
public List<PhotoModel> getAllPhotos(){
List<PhotoModel> li=new ArrayList<PhotoModel>();
Document dom=DomFactory.getDom();
Element e=dom.getRootElement();
Iterator<Element> it=e.elementIterator();
while(it.hasNext()){
Element ie=it.next();
PhotoModel pm=new PhotoModel();
pm.setId(ie.attributeValue("id"));
pm.setDir(ie.attributeValue("dir"));
pm.setDt(ie.attributeValue("dt"));
pm.setExt(ie.attributeValue("ext"));
pm.setIp(ie.attributeValue("ip"));
pm.setRealName(ie.attributeValue("realName"));
pm.setDesc(ie.elementText("desc"));
li.add(pm);
}
return li;
}
public PhotoModel getSingleById(String id){
List<PhotoModel> li=getAllPhotos();
PhotoModel pm=new PhotoModel();
for(PhotoModel p:li){
if(p.getId().equals(id)){
return p;
}
}
return null;
}
public boolean del(String id) {
Document dom=DomFactory.getDom();
Element e=(Element) dom.selectSingleNode("//photo[@id='"+id+"']");
return e.getParent().remove(e);
}
}
對象類:
1.
package cn.hncu.utils;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;
public class MyUtils {
private MyUtils() {
}
public static String getUUID(){
return UUID.randomUUID().toString().replace("-", "");
}
private static SimpleDateFormat sdf=new SimpleDateFormat("yy-MM-dd HH:mm:ss");
public static String getCurrentDataime(){
return sdf.format(new Date());
}
public static String getDir(String uuid){
String dir1=Integer.toHexString(uuid.hashCode()&0xf);
String dir2=Integer.toHexString((uuid.hashCode()&0xf0)>>4);
return dir1+"/"+dir2;
}
}
2.
package cn.hncu.utils;
import java.io.FileOutputStream;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.io.SAXReader;
import org.dom4j.io.XMLWriter;
public class DomFactory {
private static Document dom;
private static String fileName;
static{
try {
SAXReader r=new SAXReader();
//獲得src下的資本文件
fileName=DomFactory.class.getClassLoader().getResource("photos.xml").getPath();
System.out.println("users.xml的途徑:"+fileName);//"/D:/apache-tomcat-7.0.30/webapps/photosWeb/WEB-INF/classes/photos.xml"
//留意:獲得tomcat中以後項目classpath下的資本方法
dom=r.read(fileName);
} catch (DocumentException e) {
e.printStackTrace();
}
}
public static Document getDom(){
return dom;
}
public static boolean save(){
XMLWriter w;
try {
w = new XMLWriter(new FileOutputStream(fileName));
w.write(dom);
w.close();
return true;
} catch (Exception e) {
return false;
}
}
}
以上就是本文的全體內容,願望對年夜家的進修有所贊助,也願望年夜家多多支撐。