Java后台+数据库+Java web前端——记账本
下面是本人实现的网页版(设计思路见上一篇https://www.cnblogs.com/sengzhao666/p/10445984.html）
源码下载：https://github.com/yishengxiaobai/JiZhangBen
代码如下：
运行截图：
首页：
创建：
账本删除：（先查找后删除）
查阅账本：
实体entity层：
package entity;
public class Account {
private String name;
private String amount;
private String time;
private String money;
public void setName(String name) {
this.name=name;
}
public String getName() {
return name;
}
public void setAmount(String a) {
amount=a;
}
public String getAmount() {
return amount;
}
public void setTime(String b) {
time=b;
}
public String getTime() {
return time;
}
public void setMoney(String c) {
money=c;
}
public String getMoney() {
return money;
}
public Account() {
}
public Account(String a,String b,String c,String d) {
name=a;
amount=b;
money=c;
time=d;
}
}
数据库util层：
package util;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement; public class Shujuku {
public static Connection conn(){
String url="jdbc:sqlserver://localhost:1433;DatabaseName=account";//填写你的数据库名
String userName="sa";//填写你的用户名，我的是sa
String userPwd="tzk19991029";//填写你的密码tzk19991029
Connection connection=null; try{
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
System.out.println("加载驱动成功！"); }catch(Exception e){ e.printStackTrace(); System.out.println("加载驱动失败！");
}
try{
connection=DriverManager.getConnection(url,userName,userPwd);
System.out.println("连接数据库成功！");
}catch(Exception e){
e.printStackTrace();
System.out.print("SQL Server连接失败！");
}
return connection;
}
public static void close (Statement state, Connection conn) {//关闭
if (state != null) {
try {
state.close();
} catch (SQLException e) {
e.printStackTrace();
}
} if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
} public static void close (ResultSet rs, Statement state, Connection conn) {//关闭
if (rs != null) {
try {
rs.close();
} catch (SQLException e) {
e.printStackTrace();
}
} if (state != null) {
try {
state.close();
} catch (SQLException e) {
e.printStackTrace();
}
} if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
} }
servlet层：
package 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 entity.Account;
import service.Service; /**
* Servlet implementation class AccountServlet
*/
@WebServlet("/AccountServlet")
public class AccountServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
Service service=new Service();
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
// TODO Auto-generated method stub
req.setCharacterEncoding("utf-8");
String method = req.getParameter("method");
if(method.equals("add"))
{
add(req,resp);
}else if(method.equals("delete")) {
delete(req,resp);
}else if(method.equals("update")) {
update(req,resp);
}else if(method.equals("list")) {
list(req,resp);
}else if(method.equals("getByname")) {
getByname(req,resp);
}else if(method.equals("show")) {
show(req,resp);
}
else if(method.equals("getByname2")) {
getByname2(req,resp);
}
}
private void show(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException {
req.setCharacterEncoding("utf-8");
List<Account> accounts = service.list();
req.setAttribute("accounts", accounts);
req.getRequestDispatcher("show.jsp").forward(req,resp);
}
private void add(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException {
req.setCharacterEncoding("utf-8");
String a = req.getParameter("name");
String b = req.getParameter("amount");
String c = req.getParameter("money");
String d=req.getParameter("time");
Account account=new Account(a,b,c,d);
int k=service.add(account);
if(k==2) {
req.setAttribute("message", "添加成功");//setAttribute方法用于将内容保存在对象中，传到add.jsp中
req.getRequestDispatcher("add.jsp").forward(req,resp);//getRequestDispatcher方法用于进入下一个页面
}
if(k==0)
{
req.setAttribute("message", "重复，请重新录入");
req.getRequestDispatcher("add.jsp").forward(req,resp);
}
if(k==1)
{
req.setAttribute("message", "数据库添加失败");
req.getRequestDispatcher("add.jsp").forward(req,resp);
}
}
private void delete(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException {
req.setCharacterEncoding("utf-8");
String name = req.getParameter("name");
int k=service.delete(name);
if(k==0) {
req.setAttribute("message", "删除失败");
req.getRequestDispatcher("deleteByname.jsp").forward(req,resp);
}
if(k==1) {
req.setAttribute("message", "删除成功");
req.getRequestDispatcher("index.jsp").forward(req,resp);
} }
private void update(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException {
// 修改
req.setCharacterEncoding("utf-8");
String a = req.getParameter("name");
String b = req.getParameter("amount");
String c = req.getParameter("money");
String d=req.getParameter("time");
Account account=new Account(a,b,c,d);
int k=service.update(account);
if(k==1) {
req.setAttribute("message", "修改成功");
req.getRequestDispatcher("AccountServlet?method=show").forward(req,resp);
}else {
req.setAttribute("message", "修改失败");
req.getRequestDispatcher("show.jsp").forward(req,resp);
}
} private void getByname(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException{
//按照名字删除
req.setCharacterEncoding("utf-8");
String name = req.getParameter("name");
Account account=service.getByname(name);
if(account==null) {
req.setAttribute("message", "查询不到,请重新选择");
req.getRequestDispatcher("deleteByname.jsp").forward(req,resp);
}else {
req.setAttribute("account", account);
req.getRequestDispatcher("delete.jsp").forward(req,resp);
}
} private void getByname2(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException{
//通过名字修改
req.setCharacterEncoding("utf-8");
String name = req.getParameter("name");
Account account=service.getByname2(name);
req.setAttribute("account", account);
req.getRequestDispatcher("update.jsp").forward(req,resp);
}
private void list(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
req.setCharacterEncoding("utf-8");
List<Account> accounts = service.list();
req.setAttribute("accounts", accounts);
req.getRequestDispatcher("list.jsp").forward(req,resp);
} }
service层：
package service; import java.util.List; import dao.Dao;
import entity.Account; public class Service {
Dao dao=new Dao(); public List<Account> show(String name) {
return dao.show(name);
} public int update(Account account) {
int f=0;
if(dao.update(account)) {
f=1;
}
return f;
} public int delete(String name) {
int f=0;
if(dao.delete(name)) {
f=1;
}
return f;
} public int add(Account account) {
int f=0;
if(!dao.rename(account.getName())) {
f=1;
if(dao.add(account))
f=2;
}
return f;
} public Account getByname(String name) {
return dao.getByname(name);
} public List<Account> list() {
// TODO 自动生成的方法存根
return dao.list();
} public Account getByname2(String name) {
// TODO 自动生成的方法存根
return dao.getByname2(name);
} }
dao层：
package dao; import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List; import entity.Account;
import util.Shujuku; public class Dao {
public boolean rename(String name) {
// 检验名字是否重复
boolean f=false;
String sql="select name from account where name='"+name+"'";//数据库语句，查询界面输入和表中name是否重复
Connection conn = Shujuku.conn();//创建连接
Statement state = null;//建立Statement对象，执行静态SQL语句
ResultSet rs = null;//ResultSet对象 是查询数据库时的返回对象，读取返回结果集 try {
state = conn.createStatement();
rs = state.executeQuery(sql);
while (rs.next()) {//不重复，返回true
f = true;
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
Shujuku.close(rs, state, conn);
}
return f;
} public boolean add(Account account) {
//添加
String sql = "insert into account(name,amount,money,time) values('" +account.getName() + "','" + account.getAmount() + "','" + account.getMoney() + "','" +account.getTime() + "')";//添加
Connection conn = Shujuku.conn();
Statement state = null;
boolean f = false;
int a=0;
try {
state = conn.createStatement();
a=state.executeUpdate(sql);
} catch (Exception e) {
e.printStackTrace();
} finally {
Shujuku.close(state, conn);
}
if (a > 0) {
f = true;
}
return f;
} public boolean delete(String name) {
// 通过名字删除
boolean f=false;
String sql = "delete from account where name ='" + name + "'";//删除
Connection conn = Shujuku.conn();
Statement state = null;
int a=0;
try {
state = conn.createStatement();
a=state.executeUpdate(sql);
}catch (Exception e) {
e.printStackTrace();
} finally {
Shujuku.close(state, conn);
}
if(a>0) {
f=true;
}
return f;
}
public boolean update(Account account) {
// 修改
String sql = "update account set amount='" + account.getAmount() + "', money='" + account.getMoney()+"',time='" + account.getTime()+"'where name='"+account.getName()+"'";
Connection conn = Shujuku.conn();
Statement state = null;
boolean f = false;
int a = 0; try {
state = conn.createStatement();
a = state.executeUpdate(sql);
} catch (SQLException e) {
e.printStackTrace();
} finally {
Shujuku.close(state, conn);
} if (a > 0) {
f = true;
}
return f; }
public List<Account> show(String name) {
// 列出数据
String sql = "select * from account";
Connection conn = Shujuku.conn();
Statement state = null;
ResultSet rs = null;
List<Account> list = new ArrayList<>();
try {
state = conn.createStatement();
rs = state.executeQuery(sql);
Account bean = null;
while (rs.next()) { String a = rs.getString("name");
String b = rs.getString("amount");
String c= rs.getString("money");
String d= rs.getString("time");
bean= new Account( a,b,c,d);
list.add(bean);
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
Shujuku.close(rs, state, conn);
} return list;
} public Account getByname(String name) {
//通过名字得到
//模糊查询
String sql = "select * from account where ";
if (name != "") {
sql += "name like '%" + name + "%'";
}
Connection conn = Shujuku.conn();
Statement state = null;
ResultSet rs = null;
Account account = null;
try {
state = conn.createStatement();
rs = state.executeQuery(sql);
while (rs.next()) {
String d=rs.getString("name");
String a = rs.getString("amount");
String b=rs.getString("money");
String c=rs.getString("time");
account = new Account(d,a,b,c);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
Shujuku.close(rs, state, conn);
} return account;
} public List<Account> list() {
String sql = "select * from account";
List<Account> list = new ArrayList<>();
Connection conn = Shujuku.conn();
Statement state = null;
ResultSet rs = null; try {
state = conn.createStatement();
rs = state.executeQuery(sql);
Account bean = null;
while (rs.next()) { String a = rs.getString("name");
String b = rs.getString("amount");
String c = rs.getString("money");
String d = rs.getString("time");
bean = new Account(a,b,c,d);
list.add(bean);
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
Shujuku.close(rs, state, conn);
} return list;
} public Account getByname2(String name) {
String sql = "select * from account where ";
if (name != "") {
sql += "name like '%" + name + "%'";
}
Connection conn = Shujuku.conn();
Statement state = null;
ResultSet rs = null;
Account account = null;
try {
state = conn.createStatement();
rs = state.executeQuery(sql);
while (rs.next()) {
String d=rs.getString("name");
String a = rs.getString("amount");
String b=rs.getString("money");
String c=rs.getString("time");
account = new Account(d,a,b,c);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
Shujuku.close(rs, state, conn);
} return account;
}
}
index.jsp:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>首页</title>
<style >
.a{
font-size: 26px;
margin-top: 20px;
}
</style>
</head>
<body>
<div align="center">
<h1 style="color: red;">家庭记账本</h1>
<div class="a">
<a href="add.jsp">创建账本</a>
</div>
<div class="a">
<a href="deleteByname.jsp">账本删除</a>
</div>
<div class="a">
<a href="AccountServlet?method=list">查阅账本</a>
</div>
</div>
</body>
</html>
add.jsp:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
Object message = request.getAttribute("message");
if(message!=null && !"".equals(message)){ %>
<script type="text/javascript">
alert("<%=request.getAttribute("message")%>");
</script>
<%} %>
<div align="center">
<h1 style="color: red;">信息录入</h1>
<a href="index.jsp">返回主页</a>
<form action="AccountServlet?method=add" method="post" onsubmit="return check()">
<div >
名称<input type="text" id="name" name="name"/>
</div>
<div >
数量<input type="text" id="amount" name="amount" />
</div>
<div >
消费<input type="text" id="money" name="money" />
</div>
<div >
时间<input type="text" id="time" name="time" />
</div>
<div >
<button type="submit" >保 存</button>
</div>
</form>
</div>
<script type="text/javascript">
function check() {
var a = document.getElementById("name");
var b= document.getElementById("amount");
var c = document.getElementById("money");
//非空
if(a.value == '') {
alert('名称为空');
a.focus();
return false;
}
if(b.value == '') {
alert('数量为空');
b.focus();
return false;
}
if(c.value == '') {
alert('消费为空');
c.focus();
return false;
}
}
</script>
</body>
</html>
deleteByname.jsp:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title></title>
</head>
<body>
<%
Object message = request.getAttribute("message");
if(message!=null && !"".equals(message)){ %>
<script type="text/javascript">
alert("<%=request.getAttribute("message")%>");
</script>
<%} %>
<div align="center">
<h1 style="color: red;"> 查找 </h1>
<a href="index.jsp">返回主页</a>
<form action="AccountServlet?method=getByname" method="post" onsubmit="return check()">
<div >
名字<input type="text" id="name" name="name"/>
</div>
<div >
<button type="submit" >查 询</button>
</div>
</form>
</div>
<script type="text/javascript">
function check() {
var name = document.getElementById("name"); //非空
if(name.value == '') {
alert('名称为空');
name.focus();
return false;
}
}
</script>
</body>
</html>
delete.jsp:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title></title>
<style>
.a{
margin-top: 20px;
}
.b{
font-size: 20px;
width: 160px;
color: white;
background-color: greenyellow;
}
.tb, td {
border: 1px solid black;
font-size: 22px;
}
</style>
</head>
<body>
<%
Object message = request.getAttribute("message");
if(message!=null && !"".equals(message)){ %>
<script type="text/javascript">
alert("<%=request.getAttribute("message")%>");
</script>
<%} %>
<div align="center">
<h1 style="color: red;">账本删除</h1>
<a href="index.jsp">返回主页</a>
<table class="tb">
<tr>
<td>姓名</td>
<td>${account.name}</td>
</tr>
<tr>
<td>数量</td>
<td>${account.amount}</td>
</tr>
<tr>
<td>消费</td>
<td>${account.money}</td>
</tr>
<tr>
<td>时间</td>
<td>${account.time}</td>
</tr>
</table>
<div >
<a onclick="return check()" href="AccountServlet?method=delete&name=${account.name}">删 除</a>
</div>
</div>
<script type="text/javascript">
function check() {
if (confirm("真的要删除吗？")){
return true;
}else{
return false;
}
}
</script>
</body>
</html>
list.jsp:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<style>
.a{
margin-top: 20px;
}
.b{
font-size: 20px;
width: 160px;
color: white;
background-color: greenyellow;
}
.tb, td {
border: 1px solid black;
font-size: 22px;
}
</style>
</head>
<body>
<%
Object message = request.getAttribute("message");
if(message!=null && !"".equals(message)){ %>
<script type="text/javascript">
alert("<%=request.getAttribute("message")%>");
</script>
<%} %>
<div align="center">
<h1 style="color: red;">账单列表</h1>
<a href="index.jsp">返回主页</a>
<table class="tb">
<tr>
<td>名 称 </td>
<td>数 量 </td>
<td>消费总额</td>
<td>消费时间</td>
<td align="center" colspan="2">操作</td>
</tr>
<c:forEach items="${accounts}" var="item">
<tr>
<td>${item.name}</td>
<td>${item.amount}</td>
<td>${item.money}</td>
<td>${item.time}</td>
<td><a href="AccountServlet?method=getByname2&name=${item.name}">修改</a></td>
<td><a href="AccountServlet?method=getByname&name=${item.name}">删除</a></td>
</tr>
</c:forEach>
</table>
</div>
</body>
</html>
update.jsp:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style>
.a{
margin-top: 20px;
}
.b{
font-size: 20px;
width: 160px;
color: white;
background-color: greenyellow;
}
</style>
</head>
<body>
<%
Object message = request.getAttribute("message");
if(message!=null && !"".equals(message)){ %>
<script type="text/javascript">
alert("<%=request.getAttribute("message")%>");
</script>
<%} %>
<div align="center">
<h1 style="color: red;">信息修改</h1>
<a href="index.jsp">返回主页</a>
<form action="AccountServlet?method=update" method="post" onsubmit="return check()">
<div class="a">
名称<input type="text" name="name" value="${account.name}"/>
</div>
<div class="a">
数量<input type="text" id="amount" name="amount" value="${account.amount}"/>
</div>
<div class="a">
消费<input type="text" id="money" name="money" value="${account.money}"/>
</div>
<div class="a">
时间<input type="text" name="time" value="${account.time}"/>
</div>
<div class="a">
<button type="submit" class="b">修 改</button>
</div>
</form>
</div>
<script type="text/javascript">
function check() {
var b = document.getElementById("amount");
var c = document.getElementById("money"); //非空 if(b.value == '') {
alert('数量为空');
b.focus();
return false;
}
if(c.value == '') {
alert('消费为空');
c.focus();
return false;
}
}
</script>
</body>
</html>
show.jsp:
<%@ 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>Insert title here</title>
<style>
.a{
margin-top: 20px;
}
.b{
font-size: 20px;
width: 160px;
color: white;
background-color: greenyellow;
}
.tb, td {
border: 1px solid black;
font-size: 22px;
}
</style>
</head>
<body>
<div align="center">
<h1 style="color: red;">信息列表</h1>
<a href="index.jsp">返回主页</a>
<table class="tb">
<tr> <td>名称</td>
<td>数量</td>
<td>消费</td>
<td>时间</td>
</tr>
<!-- forEach遍历出adminBeans -->
<c:forEach items="${accounts}" var="item" varStatus="status">
<tr>
<td>${item.name}</td>
<td><a>${item.amount}</a></td>
<td>${item.money}</td>
<td>${item.time}</td>
</tr>
</c:forEach>
</table>
</div>
</body>
</html>
Java后台+数据库+Java web前端——记账本的更多相关文章
- Java后台+数据库+Java web前端（新手）
实现简单页面上对数据的增删改查:Java后台+数据库表+Jsp前端网页设计 这里做一个简单的学生课程信息管理系统,做之前一定要先有自己的思路,要不然对新手来说,很容易乱的. 另有一完整的代码可供参考, ...
- 数据结构---公交线路提示系统（Java后台+excel表格+web前端）
系统大致流程: index.jsp输入站名(点击“出示站点信息”,跳转list.jsp读取表格):后台通过站名获得id:getIdbyname(String name)将id反馈至dijkstra( ...
- 最近整理出了有关大数据，微服务，分布式，Java，Python，Web前端，产品运营，交互等1.7G的学习资料，有视频教程，源码，课件，工具，面试题等等。这里将珍藏多年的资源免费分享给各位小伙伴们
大数据,微服务,分布式,Java,Python,Web前端,产品运营,交互 领取方式在篇尾!!! 基础篇.互联网架构,高级程序员必备视频,Linux系统.JVM.大型分布式电商项目实战视频...... ...
- Java课程设计之——Web前端
主要使用的技术 Javascript/JQuery html css Jsp 前期调查 能看到的网页大致可以分为两个部分,一个是搜索的首页index.html,一个是搜索结果页/s index.htm ...
- java 后台解密小程序前端传过来的信息，解密手机号
package com.llny.controller; import com.google.gson.Gson; import com.google.gson.JsonObject; import ...
- 自学 Java开发（Java后台开发|Java后端开发）的书籍推荐
java编程思想java并发编程实战深入理解java虚拟机函数式编程思维tcp/ip详解鸟哥的linux私房菜spring mvc +mybatis开发从入门到精通spring技术内幕elastics ...
- java后台生成文件给前端下载（response输出流）
1.设置 ContentType response.setContentType("application/x-download"); 2.设置文件名,并指定编码格式 fileNa ...
- 微信小程序：java后台获取openId
一.功能描述 openId是某个微信账户对应某个小程序或者公众号的唯一标识,但openId必须经过后台解密才能获取(之前实现过前台解密,可是由于微信小程序的种种限制,前台解密无法在小程序发布后使用) ...
- 如何正确学习web前端流程以及如何找工作
解释一下web前端工作是做啥的,Web前端开发工程师,主要职责是利用(X)HTML/CSS/JavaScript/Flash等各种Web技术进行客户端产品的开发.完成客户端程序(也就是浏览器端)的开发 ...
随机推荐
- 第04组 Beta冲刺（4/5）
队名:new game 组长博客 作业博客 组员情况 鲍子涵(队长) 过去两天完成了哪些任务 地图移动 接下来的计划 素材和脚本相连 引入声音素材 还剩下哪些任务 让游戏本体运行 遇到了哪些困难 时间 ...
- 用 Python 批量下载百度图片
为了做一个图像分类的小项目,需要制作自己的数据集.要想制作数据集,就得从网上下载大量的图片,再统一处理. 这时,一张张的保存下载,就显得很繁琐.那么,有没有一种方法可以把搜索到的图片直接下载到本地 ...
- 关于Django
Django项目的初始化配置包括 数据库配置 Django 配置 应用程序配置 关于项目和应用 应用是一个专门做某件事的网络应用程序——比如博客系统,或者公共记录的数据库,或者简单的投票程序 项目则是 ...
- 简单探讨一下.NET Core 3.0使用AspectCore的新姿势
前言 这几天在对EasyCaching做支持.net core 3.0的调整.期间遇到下面这个错误. System.NotSupportedException:"ConfigureServi ...
- CSAPP lab3 bufbomb-缓冲区溢出攻击实验（上）smoke fizz
前言 完成这个实验大概花费一天半的时间,看了很多大佬的博客,也踩了很多的坑,于是打算写一篇博客重新梳理一下思路和过程,大概会有两篇博客吧. CSAPP lab3 bufbomb-缓冲区溢出攻击实验(上 ...
- serf 中去中心化系统的原理和实现
原文:https://www.infoq.cn/article/principle-and-impleme-of-de-centering-system-in-serf serf 是出自 Hashic ...
- Python超详细的字符串用法大全
字符串拼接 实际场景:把列表中的数据拼接成一个字符串 解决方案:使用 str.join() 方法 >>> li = ['cxk', 'cxk', 'kk', 'caibi'] > ...
- paypal开发指南
一.开发者地址: https://developer.paypal.com 使用在paypal上注册的账号登陆即可, 二.沙箱账号 paypay自动会为你创建两个沙箱账号,一个商家,一个买家.在acc ...
- HTTP协议解析之Cookie
" Cookie与身份认证." 提到HTTP协议,不可避免地都会牵涉到Cookie,可以说,Cookie作为HTTP的重要组成部分,促进了HTTP协议的发展壮大. HTTP协议如果 ...
- bay——安装_RAC11g_LC_测试环境-rehat6+udev.txt
★★★____★☆★〓〓〓〓→VMware vSphere Client6.0 https://10.20.4.200/ 下载Vwmare IP:10.20.4.200-------账号:root-- ...