111 – JM

111

2023-10-08 11:44

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153

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匿名

1月前
2023-11-02 11:34:02
<%@ page language=”java” import=”java.sql.*” pageEncoding=”UTF-8″%>

<%
Class.forName("com.mysql.jdbc.Driver");
String url="jdbc:mysql://localhost:3306/stu?useSSL=false&useUnicode=true&characterEncoding=UTF-8";
Connection dbCon = DriverManager.getConnection(url,"root","123456");
Statement stmt=dbCon.createStatement();
String sql = "INSERT INTO stuinfo(id,name) VALUES(1,'小林')";
int i = stmt.executeUpdate(sql);
out.println("成功添加"+ i + "行");
```
    stmt.close();
    dbCon.close(); 
```
%>
<%@ page language="java" import="java.sql.*" pageEncoding="UTF-8"%> <html> <body> <% Class.forName("com.mysql.jdbc.Driver"); String url="jdbc:mysql://localhost:3306/stu?useSSL=false&useUnicode=true&characterEncoding=UTF-8"; Connection dbCon = DriverManager.getConnection(url,"root","123456"); Statement stmt=dbCon.createStatement(); String sql = "INSERT INTO stuinfo(id,name) VALUES(1,'小林')"; int i = stmt.executeUpdate(sql); out.println("成功添加"+ i + "行"); stmt.close(); dbCon.close(); %> </body> </html>
匿名

1月前
2023-11-02 11:56:25
<%@ page language=”java” import=”java.sql.*” pageEncoding=”UTF-8″%>
<%
request.setCharacterEncoding(“UTF-8”);
Class.forName(“com.mysql.jdbc.Driver”);
String url=”jdbc:mysql://localhost:3306/stu?useSSL=false&useUnicode=true&characterEncoding=UTF-8″;
Connection dbCon = DriverManager.getConnection(url,”root”,”123456″);
Statement stmt=dbCon.createStatement();
String id=request.getParameter(“id”);
String sql = “SELECT *FROM book WHERE id=?”;
PreparedStatement ps=dbCon.prepareStatement(sql);
ps.setString(1,id);
int i = ps.executeUpdate();
out.println(“成功”);
```
stmt.close();
dbCon.close(); 
```
%>
<%@ page language="java" import="java.sql.*" pageEncoding="UTF-8"%> <% request.setCharacterEncoding("UTF-8"); Class.forName("com.mysql.jdbc.Driver"); String url="jdbc:mysql://localhost:3306/stu?useSSL=false&useUnicode=true&characterEncoding=UTF-8"; Connection dbCon = DriverManager.getConnection(url,"root","123456"); Statement stmt=dbCon.createStatement(); String id=request.getParameter("id"); String sql = "SELECT *FROM book WHERE id=?"; PreparedStatement ps=dbCon.prepareStatement(sql); ps.setString(1,id); int i = ps.executeUpdate(); out.println("成功"); stmt.close(); dbCon.close(); %> <body> </body> </html>
匿名

1月前
2023-11-02 11:56:43

<%@ page language=”java” import=”java.util.*” pageEncoding=”UTF-8″%>

function validate(){
if (loginForm.account.value!=”javaweb”){
alert(“错误”);
return;
}if (loginForm.password.value!=”147258369″){
alert(“错误”);
return;
}
}

欢迎登录学生管理系统

请您输入账号：
请您输入密码：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <body> <script type="text/javascript"> function validate(){ if (loginForm.account.value!="javaweb"){ alert("错误"); return; }if (loginForm.password.value!="147258369"){ alert("错误"); return; } } </script> 欢迎登录学生管理系统 <form name="loginForm" action="book.jsp" method="post"> 请您输入账号：<input name="account" type="text"><br> 请您输入密码：<input name="password" type="password"><br> <input type="submit" value="登录" onClick="validate()"> </form> </body> </html>
匿名

1月前
2023-11-02 11:57:00

<%@ page language=”java” import=”java.util.*” pageEncoding=”UTF-8″%>

请您输入书号查询书籍信息
<form name=”loginForm” action=”bookinfo.jsp” method=”post”>
请您输入书号：<input name=”id” type=”text”>
<input type=”submit” value=”查询”>
<input type=”reset” value=”重置”>

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