SpringBoot 2.0.0新版和SpringBoot1.5.2版本中Tomcat配置的差别（坑）-白红宇

2018年春SpringBoot 2.0.0 新版本有了很多新的改变，其中Tomcat配置上也有了很大改变

1、之前老的版本TomcatEmbeddedServletContainerFactory取的是这个类

2、在SpringBoot 2.0.0框架中，已经没有类TomcatEmbeddedServletContainerFactory了

3、在老版本的Tomcat配置中，构造tomcatFactory的bean

@Bean    public TomcatEmbeddedServletContainerFactory tomcatFactory() {        TomcatEmbeddedServletContainerFactory tomcatFactory = new TomcatEmbeddedServletContainerFactory();        tomcatFactory.addConnectorCustomizers(new GwsTomcatConnectionCustomizer());        return tomcatFactory;    }

4、那么早SpringBoot 2.0.0中该怎么构建呢？

去到SpringBoot官方文档、找到Tomcat配置

5、最新的已经有了全新的类了

6、事例

7、那么就可以用全新的ServletWebServerFactory类来构造Tomcat的配置了

@Bean    public ServletWebServerFactory servletContainer() {        TomcatServletWebServerFactory tomcat = new TomcatServletWebServerFactory();        tomcat.addConnectorCustomizers(new GwsTomcatConnectionCustomizer());        return tomcat;    }

8、最后附上全新的Tomcat配置

package com.gws.configuration;import org.apache.catalina.connector.Connector;import org.springframework.beans.factory.annotation.Value;import org.springframework.boot.web.embedded.tomcat.TomcatConnectorCustomizer;import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;import org.springframework.boot.web.servlet.MultipartConfigFactory;import org.springframework.boot.web.servlet.server.ServletWebServerFactory;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import javax.servlet.MultipartConfigElement;/** * 使用tomcat配置 * * @version  * @author  *  */@Configurationpublic class TomcatConfig {
         @Value("${spring.server.port}")    private String port;    @Value("${spring.server.acceptorThreadCount}")    private String acceptorThreadCount;    @Value("${spring.server.minSpareThreads}")    private String minSpareThreads;    @Value("${spring.server.maxSpareThreads}")    private String maxSpareThreads;    @Value("${spring.server.maxThreads}")    private String maxThreads;    @Value("${spring.server.maxConnections}")    private String maxConnections;    @Value("${spring.server.protocol}")    private String protocol;    @Value("${spring.server.redirectPort}")    private String redirectPort;    @Value("${spring.server.compression}")    private String compression;    @Value("${spring.server.connectionTimeout}")    private String connectionTimeout;    @Value("${spring.server.MaxFileSize}")    private String MaxFileSize;    @Value("${spring.server.MaxRequestSize}")    private String MaxRequestSize;    @Bean    public ServletWebServerFactory servletContainer() {        TomcatServletWebServerFactory tomcat = new TomcatServletWebServerFactory();        tomcat.addConnectorCustomizers(new GwsTomcatConnectionCustomizer());        return tomcat;    }    @Bean    public MultipartConfigElement multipartConfigElement() {        MultipartConfigFactory factory = new MultipartConfigFactory();        //  单个数据大小        factory.setMaxFileSize(MaxFileSize); // KB,MB        /// 总上传数据大小        factory.setMaxRequestSize(MaxRequestSize);        return factory.createMultipartConfig();    }    /**     *     * 默认http连接     *     * @version     * @author liuyi  2016年7月20日 下午7:59:41     *     */    public class GwsTomcatConnectionCustomizer implements TomcatConnectorCustomizer {
             public GwsTomcatConnectionCustomizer() {        }        @Override        public void customize(Connector connector) {            connector.setPort(Integer.valueOf(port));            connector.setAttribute("connectionTimeout", connectionTimeout);            connector.setAttribute("acceptorThreadCount", acceptorThreadCount);            connector.setAttribute("minSpareThreads", minSpareThreads);            connector.setAttribute("maxSpareThreads", maxSpareThreads);            connector.setAttribute("maxThreads", maxThreads);            connector.setAttribute("maxConnections", maxConnections);            connector.setAttribute("protocol", protocol);            connector.setAttribute("redirectPort", "redirectPort");            connector.setAttribute("compression", "compression");        }    }}

9、最后在application.properties，进行配置

#嵌入tomcat配置spring.server.port=8095#和CPU数spring.server.acceptorThreadCount=4spring.server.minSpareThreads=50spring.server.maxSpareThreads=50spring.server.maxThreads=1000spring.server.maxConnections=10000#10秒超时spring.server.connectionTimeout=10000spring.server.protocol=org.apache.coyote.http11.Http11Nio2Protocolspring.server.redirectPort=443spring.server.compression=on#文件请求大小spring.server.MaxFileSize=300MBspring.server.MaxRequestSize=500MB

10、好了，搞定了