工作流 Flowable 发起流程 相关实现

yudao-framework/yudao-spring-boot-starter-flowable/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">
+    <parent>
+        <artifactId>yudao-framework</artifactId>
+        <groupId>cn.iocoder.boot</groupId>
+        <version>${revision}</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>yudao-spring-boot-starter-flowable</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>cn.iocoder.boot</groupId>
+            <artifactId>yudao-common</artifactId>
+        </dependency>
+        <!-- Web 相关 -->
+        <dependency>
+            <groupId>cn.iocoder.boot</groupId>
+            <artifactId>yudao-spring-boot-starter-security</artifactId>
+        </dependency>
+        <!-- flowable 工作流相关 -->
+        <dependency>
+            <groupId>org.flowable</groupId>
+            <artifactId>flowable-spring-boot-starter-basic</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>

yudao-framework/yudao-spring-boot-starter-flowable/src/main/java/cn/iocoder/yudao/framework/flowable/config/YudaoFlowableConfiguration.java

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+package cn.iocoder.yudao.framework.flowable.config;
+
+import cn.iocoder.yudao.framework.common.enums.WebFilterOrderEnum;
+import cn.iocoder.yudao.framework.flowable.core.web.FlowableWebFilter;
+import org.springframework.boot.web.servlet.FilterRegistrationBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class YudaoFlowableConfiguration {
+
+    /**
+     * 配置 flowable Web 过滤器
+     */
+    @Bean
+    public FilterRegistrationBean<FlowableWebFilter> flowableWebFilter() {
+        FilterRegistrationBean<FlowableWebFilter> registrationBean = new FilterRegistrationBean<>();
+        registrationBean.setFilter(new FlowableWebFilter());
+        registrationBean.setOrder(WebFilterOrderEnum.FLOWABLE_FILTER);
+        return registrationBean;
+    }
+}

yudao-framework/yudao-spring-boot-starter-flowable/src/main/java/cn/iocoder/yudao/framework/flowable/core/package-info.java

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+package cn.iocoder.yudao.framework.flowable.core;

yudao-framework/yudao-spring-boot-starter-flowable/src/main/java/cn/iocoder/yudao/framework/flowable/core/util/FlowableUtils.java

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+package cn.iocoder.yudao.framework.flowable.core.util;
+
+import org.flowable.common.engine.impl.identity.Authentication;
+
+public class FlowableUtils {
+
+    public static void setAuthenticatedUserId(Long userId) {
+        Authentication.setAuthenticatedUserId(String.valueOf(userId));
+    }
+
+    public static void clearAuthenticatedUserId() {
+        Authentication.setAuthenticatedUserId(null);
+    }
+}

yudao-framework/yudao-spring-boot-starter-flowable/src/main/java/cn/iocoder/yudao/framework/flowable/core/web/FlowableWebFilter.java

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+package cn.iocoder.yudao.framework.flowable.core.web;
+
+import cn.iocoder.yudao.framework.flowable.core.util.FlowableUtils;
+import cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+/**
+ * flowable Web 过滤器，将 userId 设置到 {@link org.flowable.common.engine.impl.identity.Authentication} 中
+ *
+ * @author jason
+ */
+public class FlowableWebFilter extends OncePerRequestFilter {
+
+    @Override
+    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
+            throws ServletException, IOException {
+        try {
+            // 设置工作流的用户
+            Long userId = SecurityFrameworkUtils.getLoginUserId();
+            if (userId != null) {
+                FlowableUtils.setAuthenticatedUserId(userId);
+            }
+            // 过滤
+            chain.doFilter(request, response);
+        } finally {
+            // 清理
+            FlowableUtils.clearAuthenticatedUserId();
+        }
+    }
+}

yudao-framework/yudao-spring-boot-starter-flowable/src/main/java/cn/iocoder/yudao/framework/flowable/package-info.java

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+package cn.iocoder.yudao.framework.flowable;

yudao-framework/yudao-spring-boot-starter-flowable/src/main/resources/META-INF/spring.factories

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+org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
+  cn.iocoder.yudao.framework.flowable.config.YudaoFlowableConfiguration