初始化

easyflow-modules/easyflow-module-autoconfig/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>tech.easyflow</groupId>
+        <artifactId>easyflow-modules</artifactId>
+        <version>${revision}</version>
+    </parent>
+
+    <name>easyflow-module-autoconfig</name>
+    <artifactId>easyflow-module-autoconfig</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>tech.easyflow</groupId>
+            <artifactId>easyflow-common-web</artifactId>
+        </dependency>
+    </dependencies>
+</project>

easyflow-modules/easyflow-module-autoconfig/src/main/java/tech/easyflow/autoconfig/config/AutoConfig.java

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+package tech.easyflow.autoconfig.config;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration(proxyBeanMethods = false)
+@ComponentScan({"tech.easyflow"})
+@org.springframework.boot.autoconfigure.AutoConfiguration
+public class AutoConfig {
+    public AutoConfig() {
+        System.out.println("启用模块 >>>>>>>>>> module-autoconfig");
+    }
+}

easyflow-modules/easyflow-module-autoconfig/src/main/java/tech/easyflow/autoconfig/config/WebConfig.java

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+package tech.easyflow.autoconfig.config;
+
+import org.springframework.web.cors.CorsConfiguration;
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
+import org.springframework.web.filter.CorsFilter;
+import tech.easyflow.common.util.SpringContextUtil;
+import tech.easyflow.common.web.error.GlobalErrorResolver;
+import tech.easyflow.common.dict.DictManager;
+import com.alibaba.fastjson.serializer.SerializerFeature;
+import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.event.EventListener;
+import org.springframework.http.MediaType;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.web.servlet.HandlerExceptionResolver;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+import java.util.Collections;
+import java.util.List;
+
+@Configuration
+public class WebConfig implements WebMvcConfigurer {
+
+    @Override
+    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
+        converters.removeIf(httpMessageConverter -> {
+            List<MediaType> supportedMediaTypes = httpMessageConverter.getSupportedMediaTypes();
+            return supportedMediaTypes.contains(MediaType.APPLICATION_JSON);
+        });
+        //使用 fastjson 进行序列化
+        FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter();
+
+        //设置兼容 web，把 BigInteger 转换为 String，防止精度丢失
+        fastJsonHttpMessageConverter.getFastJsonConfig().setSerializerFeatures(
+                SerializerFeature.BrowserCompatible, //bigInteger 等自适应浏览器
+                SerializerFeature.DisableCircularReferenceDetect //取消循环引用的，否则当有应用一个对象时，使用 $ref 替代
+        );
+        converters.add(fastJsonHttpMessageConverter);
+    }
+
+    @Override
+    public void configureHandlerExceptionResolvers(List<HandlerExceptionResolver> resolvers) {
+        resolvers.add(new GlobalErrorResolver());
+    }
+
+    @Bean
+    public org.springframework.web.filter.CorsFilter getCorsFilter(){
+        CorsConfiguration cors = new CorsConfiguration();
+        // 1,允许任何来源
+        // springboot2.4后，当allowCredentials为true时，
+        // allowingOrigins不能包含特殊值"*"，因为无法在“ Access-Control-Allow-Origin”响应标头上设置。
+        // 要允许凭据具有一组来源，请明确列出它们或考虑改用"allowedOriginPatterns"。
+        cors.setAllowedOriginPatterns(Collections.singletonList("*"));
+        //2,允许任何请求头
+        cors.addAllowedHeader(CorsConfiguration.ALL);
+        //3,允许任何方法
+        cors.addAllowedMethod(CorsConfiguration.ALL);
+        //4,允许凭证
+        cors.setAllowCredentials(true);
+        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+        source.registerCorsConfiguration("/**",cors);
+        return new CorsFilter(source);
+    }
+
+
+    @EventListener(ApplicationReadyEvent.class)
+    public void onApplicationStartup() {
+        DictManager dictManager = SpringContextUtil.getBean(DictManager.class);
+        System.out.println("onApplicationStartup >>>>>>" + dictManager);
+    }
+
+}

easyflow-modules/easyflow-module-autoconfig/src/main/resources/META-INF/spring.factories

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+# Depends On Database Initialization Detectors
+org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
+  tech.easyflow.autoconfig.config.AutoConfig

easyflow-modules/easyflow-module-autoconfig/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports

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+tech.easyflow.autoconfig.config.AutoConfig