package com.ruoyi.framework.config;
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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 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 javax.servlet.*;
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import java.io.IOException;
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/**
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* druid 配置多数据源
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*
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* @author ruoyi
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*/
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@Configuration
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public class DruidConfig {
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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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{
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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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{
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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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}
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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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{
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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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};
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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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}
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