package com.hanqi;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class saveuser extends HttpServlet {
private static final long serialVersionUID = 1L;
public saveuser() {
super();
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("UTF-8"); //设置字符集
response.setContentType("text/html; charset=UTF-8");
String strUserid = request.getParameter("userid"); //获取传递过来的参数
String strUsername = request.getParameter("username");
String strPW = request.getParameter("password");
if(strUserid == null||strUserid.trim().length()==0) { //判断获取的参数是否为空
response.getWriter().append("用户ID不能为空");
}
else if(strUsername == null||strUsername.trim().length()==0) {
response.getWriter().append("用户名称不能为空");
}
else {
try {
Class.forName("oracle.jdbc.driver.OracleDriver"); //注册Oracle
String url = "jdbc:oracle:thin:@localhost:1521:orcl"; //设置连接oracle数据库
Connection conn = DriverManager.getConnection(url, "test1204", "1234"); //登录oracle, 连接oracle用户
if(conn!=null) {
//操作数据库
String sql = "insert into T_Test (user_id, user_name, password)"+"values(?,?,?)"; //设置oracle语句的命令
//执行语句的类
PreparedStatement ps = conn.prepareStatement(sql); //创建类ps, 并下达执行命令
strUsername = new String(strUsername.getBytes("iso-8859-1"),"utf-8"); //转码
ps.setString(1, strUserid); //设置写入oracle表中的值
ps.setString(2, strUsername);
ps.setString(3, strPW);
int row = ps.executeUpdate(); //执行语句的命令并返回数据行数
if(row>0) {
response.getWriter().append("保存数据成功, 保存"+row+"条数据成功!");
}
else {
response.getWriter().append("保存数据失败");
}
ps.close();
conn.close();
}
else
{
response.getWriter().append("连接数据库失败");
}
} catch (Exception e) {
e.printStackTrace();
response.getWriter().append(e.getMessage());
}
}
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
}
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Strict//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> </head> <body> <form id="uform" action="saveuser" method="post"> 用户代码：<input id="userid" type="text" name="userid" width=30 /> <br><br> 用户名称：<input id="username" type="text" name="username" width=30 /> <br><br> 登录密码：<input id="password" type="password" name="password" width=30 /> <br><br> 确认密码：<input id="queren" type="password" name="queren" width=30 /> <br><br> <input type="submit" value="提交" /> </form> </body> </html>
时间： 2024-10-21 14:57:53