棒棒的邦邦

import java.awt.Color;import java.awt.Font;import java.awt.Graphics;import java.awt.image.BufferedImage;import java.io.IOException;import java.util.Random;import javax.imageio.ImageIO;import javax.servlet.ServletException;import javax.servlet.anno

import java.util.List;import com.fasterxml.jackson.core.JsonProcessingException;import com.fasterxml.jackson.databind.JavaType;import com.fasterxml.jackson.databind.ObjectMapper;/** * JSON转换工具类 */public class JsonUtils { // 定义jackson对象 pr

文件结构druidpool.propertiesdriverClassName=com.mysql.cj.jdbc.Driverurl=jdbc:mysql://localhost:3306/mytest?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8username=rootpassword=123456# 初始化连接数量initialSize=10# 最大的连接数量maxActive=200