package com.example.config;
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import com.alibaba.druid.pool.DruidDataSource;
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import com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceBuilder;
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import com.alibaba.druid.spring.boot.autoconfigure.properties.DruidStatProperties;
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import com.alibaba.druid.util.Utils;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
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import org.springframework.boot.web.servlet.FilterRegistrationBean;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.Primary;
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import javax.servlet.*;
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import javax.sql.DataSource;
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import java.io.*;
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import java.sql.SQLException;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Properties;
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/**
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* @Company: 西安路泰科技有限公司
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* @Author: zhaowenxuan
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* @Date: 2024/7/1 10:27
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*/
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@Slf4j
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@Configuration
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public class DruidConfig {
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@Value("${config.path}")
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private String CONFIG_PATH;
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@Value("${config.dir}")
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private String CONFIG_DIR;
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private DruidDataSource dataSource;
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@Bean
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public DataSource masterDataSource(DruidProperties druidProperties){
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dataSource = DruidDataSourceBuilder.create().build();
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Properties props = new Properties();
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try {
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// 从文件中读取配置信息
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FileInputStream fis = null;
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try {
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fis = new FileInputStream(CONFIG_PATH);
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} catch (FileNotFoundException e) {
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log.info("数据库连接文件找不到 系统正在创建！");
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File f = new File(CONFIG_DIR);
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if(!f.exists()){
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f.mkdirs();
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}
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File file = new File(CONFIG_PATH);
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try {
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FileWriter fileWriter = new FileWriter(file);
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fileWriter.write("ip = 你的主数据库连接ip地址\n");
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fileWriter.write("prot = 你的主数据库连接端口\n");
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fileWriter.write("name = 你的主数据库连接名称\n");
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fileWriter.write("username = 你的主数据库连接用户名\n");
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fileWriter.write("password = 你的主数据库连接密码\n");
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fileWriter.write("\n");
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fileWriter.write("hisenabled = 是否开启 his 从库数据库连接 (从数据源开关/默认关闭 fales)\n");
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fileWriter.write("hisip = 你的 his 数据库连接ip地址\n");
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fileWriter.write("hisprot = 你的 his 数据库连接端口\n");
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fileWriter.write("hisname = 你的 his 数据库连接名称\n");
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fileWriter.write("hisusername = 你的 his 数据库连接用户名\n");
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fileWriter.write("hispassword = 你的 his 数据库连接密码\n");
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fileWriter.write("\n");
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fileWriter.write("pacsenabled = 是否开启pacs从库数据库连接 (从数据源开关/默认关闭 fales)\n");
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fileWriter.write("pacsip = 你的pacs数据库连接ip地址\n");
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fileWriter.write("pacsprot = 你的pacs数据库连接端口\n");
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fileWriter.write("pacsname = 你的pacs数据库连接名称\n");
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fileWriter.write("pacsusername = 你的pacs数据库连接用户名\n");
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fileWriter.write("pacspassword = 你的pacs数据库连接密码\n");
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fileWriter.write("\n");
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fileWriter.write("lisenabled = 是否开启 lis 从库数据库连接 (从数据源开关/默认关闭 fales)\n");
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fileWriter.write("lisip = 你的 lis 数据库连接ip地址\n");
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fileWriter.write("lisprot = 你的 lis 数据库连接端口\n");
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fileWriter.write("lisname = 你的 lis 数据库连接名称\n");
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fileWriter.write("lisusername = 你的 lis 数据库连接用户名\n");
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fileWriter.write("lispassword = 你的 lis 数据库连接密码\n");
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fileWriter.close();
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log.info("数据库连接文件创建成功！");
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} catch (IOException ioException) {
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log.info("数据库连接文件创建失败 请联系管理员手动创建！");
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ioException.printStackTrace();
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}
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e.printStackTrace();
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}
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props.load(fis);
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fis.close();
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// 获取属性值并赋值
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Properties properties = new Properties();
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// 这里是测试写法，具体的value可以通过请求参数传递过来
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properties.setProperty("druid.url","jdbc:mysql://"+props.getProperty("ip")+":"+props.getProperty("prot")+"/"+props.getProperty("name")+"" +
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"?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&serverTimezone=GMT%2B8");
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properties.setProperty("druid.username",props.getProperty("username"));
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properties.setProperty("druid.password",props.getProperty("password"));
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dataSource.restart(properties);
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log.info("数据库连接成功!!!");
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} catch (Exception e) {
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log.info("数据库连接失败 请联系管理员！");
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e.printStackTrace();
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}
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return druidProperties.dataSource(dataSource);
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}
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/**
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* 去除监控页面底部的广告
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*/
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@SuppressWarnings({"rawtypes", "unchecked"})
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@Bean
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@ConditionalOnProperty(name = "spring.datasource.druid.statViewServlet.enabled", havingValue = "true")
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public FilterRegistrationBean removeDruidFilterRegistrationBean(DruidStatProperties properties) {
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// 获取web监控页面的参数
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DruidStatProperties.StatViewServlet config = properties.getStatViewServlet();
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// 提取common.js的配置路径
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String pattern = config.getUrlPattern() != null ? config.getUrlPattern() : "/druid/*";
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String commonJsPattern = pattern.replaceAll("\\*", "js/common.js");
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final String filePath = "support/http/resources/js/common.js";
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// 创建filter进行过滤
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Filter filter = new Filter() {
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@Override
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public void init(javax.servlet.FilterConfig filterConfig) throws ServletException {
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}
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@Override
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public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
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throws IOException, ServletException {
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chain.doFilter(request, response);
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// 重置缓冲区，响应头不会被重置
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response.resetBuffer();
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// 获取common.js
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String text = Utils.readFromResource(filePath);
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// 正则替换banner, 除去底部的广告信息
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text = text.replaceAll("<a.*?banner\"></a><br/>", "");
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text = text.replaceAll("powered.*?shrek.wang</a>", "");
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response.getWriter().write(text);
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}
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@Override
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public void destroy() {
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}
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};
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FilterRegistrationBean registrationBean = new FilterRegistrationBean();
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registrationBean.setFilter(filter);
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registrationBean.addUrlPatterns(commonJsPattern);
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return registrationBean;
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}
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public void changeDataSource(Properties properties) throws SQLException {
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dataSource.restart(properties);
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}
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}
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