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<named-config name="oracle-config"> <property name="jdbcUrl">jdbc:oracle:thin:@localhost:1521:库名 </property> <property name="driverClass">oracle.jdbc.driver.OracleDriver</property> <property name="user">root</.

1.所需要的jar包https://mvnrepository.com/artifact/com.mchange/c3p0https://mvnrepository.com/artifact/com.mchange/mchange-commons-java/0.2.152.配置c3p0-config.xml文件 放在src文件夹下<?xml version="1.0" encoding="UTF-8"?><c3p0-config> <!-- 默认配

c3p0.driverClass=oracle.jdbc.driver.OracleDriverc3p0.jdbcUrl=jdbc:oracle:thin:@localhost:1521:orclc3p0.user=musicc3p0.password=music

c3p0.driverClass=com.mysql.jdbc.Driverc3p0.jdbcUrl=jdbc:mysql://localhost:3306/cloud-warehousec3p0.user=rootc3p0.password=123456 c3p0.maxIdleTime=1800c3p0.wait_timeout=28800

public static String getIpAddress(HttpServletRequest request) { String ip = request.getHeader("x-forwarded-for"); if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("Proxy-Client-IP"); } if (ip == nul.

public static String getId() { return UUID.randomUUID().toString().replace("-", "").toUpperCase(); }

public static String md5(String plainText) { byte[] secretBytes = null; try { secretBytes = MessageDigest.getInstance("md5").digest(plainText.getBytes()); } catch (NoSuchAlgorithmException e) { throw new RuntimeException("无md5算法"); } Strin.

前端代码<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %><%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %><!

html代码 <section class="aui-flexView"> <section class="aui-scrollView"> <div style="margin-top: 36%" class="aui-code-box"> <form method="post" action="${pageContext.request.c...

本案例的三级联动选择数据框数据来源于数据库，需要和数据库配合使用运行效果HTML页面<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %><%@ taglib prefix="fn" uri="http:/.

此案例基于Servlet举例1、前端页面<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %><%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/func