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RSS订阅原创 Servlet与jsp的通信
在Servlet中 Duty dao=new DutyImpl(); List list=dao.getAll(); request.setAttribute("list",list); //转发请求给jsp RequestDispatcher sd=request.getRequestDispatcher("listDuty.jsp"); RequestDispatcher是
2017-06-20 14:40:03
530
原创 jsp中的作用域对象
<% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> "> My JSP 'a.jsp' starting pa
2017-06-20 10:47:48
471
原创 jsp完成验证码功能
<% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> "> My JSP 'first.jsp' startin
2017-06-20 10:45:13
319
原创 jsp基础及指令
<% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <% String path = request.getContextPath(); Strin
2017-06-19 20:53:42
364
原创 Cookie完成自动登录及Config和ServletContext
login.html --> This is my HTML page. 我的涂山 userName password 保存三个月 package com.hehe.servlet; import java.io.IOException; impor
2017-06-18 22:34:58
321
原创 会话跟踪机制 Session
package com.oracle.servlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServlet; im
2017-06-18 22:28:53
381
原创 前端后台的curd
package com.oracle.vo; public class User { private int userno; private String userName; private String password; private String RealName; public int getUserno() { return userno; } public void setUse
2017-06-18 09:55:32
639
原创 ServletResponse和Servlet的生命周期
package j2ee0622; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest;
2017-06-16 18:45:48
518
原创 关于ServletletRequest代码
package j2ee0621; import java.io.IOException; import java.io.PrintWriter; import java.util.Arrays; import java.util.Enumeration; import javax.servlet.ServletException; import javax.servlet.http.Http
2017-06-16 15:48:13
374
原创 第一个javaee项目
MyHtml.html --> This is my HTML page. userName: password: package j2ee0616; import java.io.IOException; import java.io.PrintWriter; import javax.servl
2017-06-16 10:27:37
800
原创 注解
package fangfa; public class Person { @pk int personid; @Property("PersonName") String name; String sex; public void eat(){ System.out.println(this.name+"正在吃"); } @Deprecated public void ea
2017-06-15 15:51:50
227
原创 反射的代码
package com.oracle.reflection;package com.oracle.reflection; import java.util.LinkedList; public class Test3 { public static void main(String[] args) throws InstantiationException, IllegalAccessEx
2017-06-15 14:55:27
324
原创 dao的在封装
package com.xlh.vo; public class User { private int userno; private String userName; private String password; private String realName; public int getUserno() { return userno; } public void setUserno
2017-06-14 21:33:41
534
原创 dao模式
package com.oracle.vo; public class Account { //这是一个vo类，是对Account的映射，它可以代表表中的一条记录 int accountid; String name; int remain; public int getAccountid() { return accountid; } public void set
2017-06-14 21:04:39
276
翻译 空心的菱形
import java.util.*; public class Ge { public static void main(String[] args){ int row=7; for(int i=-row;i<=row;i++) { int a=(i<0)?-i:i; for (int j=0;j<=row*2 ;j++ ) { if(a=
2017-03-30 20:02:03
332
visual studio c#用于串口上位机 内部有4个上位机
2018-04-12
ssh整合出现错误【求大神帮忙】
2017-07-20
ssh框架中遇到class not found的问题
2017-07-03
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