activiti在线画流程图
springboot2.2
activiti6.0
activiti-modeler 5.22.0
注明：版本不一样会导致报错
效果图
代码分享：https://pan.baidu.com/s/10n9Lmr1YooK8kpcojjhIpw
pom文件
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.0.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com</groupId>
<artifactId>springboot_activiti</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>springboot_activiti</name>
<description>Demo project for Spring Boot</description> <properties>
<springboot.version>2.2.0.RELEASE</springboot.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<activiti.version>6.0.0</activiti.version>
</properties> <dependencies> <dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-engine</artifactId>
<version>${activiti.version}</version>
</dependency> <dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-spring</artifactId>
<version>${activiti.version}</version>
<exclusions>
<exclusion>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-core-asl</artifactId>
</exclusion>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
</exclusion>
<exclusion>
<artifactId>spring-context</artifactId>
<groupId>org.springframework</groupId>
</exclusion>
<exclusion>
<artifactId>spring-jdbc</artifactId>
<groupId>org.springframework</groupId>
</exclusion>
<exclusion>
<artifactId>spring-tx</artifactId>
<groupId>org.springframework</groupId>
</exclusion>
<exclusion>
<artifactId>spring-orm</artifactId>
<groupId>org.springframework</groupId>
</exclusion>
<exclusion>
<artifactId>spring-beans</artifactId>
<groupId>org.springframework</groupId>
</exclusion>
<exclusion>
<artifactId>mybatis</artifactId>
<groupId>org.mybatis</groupId>
</exclusion>
<exclusion>
<artifactId>activation</artifactId>
<groupId>javax.activation</groupId>
</exclusion>
</exclusions> </dependency> <dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-spring-boot-starter-basic</artifactId>
<version>${activiti.version}</version>
</dependency> <!-- Activiti 流程图 -->
<dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-common-rest</artifactId>
<version>${activiti.version}</version>
</dependency>
<!-- Activiti 在线设计 -->
<dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-modeler</artifactId>
<version>5.22.0</version>
<exclusions>
<exclusion>
<artifactId>spring-beans</artifactId>
<groupId>org.springframework</groupId>
</exclusion>
<exclusion>
<artifactId>spring-context</artifactId>
<groupId>org.springframework</groupId>
</exclusion>
<exclusion>
<artifactId>spring-core</artifactId>
<groupId>org.springframework</groupId>
</exclusion>
<exclusion>
<artifactId>spring-tx</artifactId>
<groupId>org.springframework</groupId>
</exclusion>
<exclusion>
<artifactId>spring-web</artifactId>
<groupId>org.springframework</groupId>
</exclusion>
<exclusion>
<artifactId>spring-security-config</artifactId>
<groupId>org.springframework.security</groupId>
</exclusion>
<exclusion>
<artifactId>spring-security-core</artifactId>
<groupId>org.springframework.security</groupId>
</exclusion>
<exclusion>
<artifactId>spring-security-crypto</artifactId>
<groupId>org.springframework.security</groupId>
</exclusion>
<exclusion>
<artifactId>spring-security-web</artifactId>
<groupId>org.springframework.security</groupId>
</exclusion>
<exclusion>
<artifactId>spring-webmvc</artifactId>
<groupId>org.springframework</groupId>
</exclusion>
<exclusion>
<artifactId>activation</artifactId>
<groupId>javax.activation</groupId>
</exclusion>
<exclusion>
<artifactId>commons-io</artifactId>
<groupId>commons-io</groupId>
</exclusion>
</exclusions>
</dependency> <dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-autoconfigure</artifactId>
<version>${springboot.version}</version>
</dependency> <dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency> <dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency> <dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.3</version>
</dependency> <dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.10.0</version>
</dependency> <dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency> <dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>RELEASE</version>
<scope>compile</scope>
</dependency> </dependencies> <build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin> <plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<configuration>
<port>8081</port>
<path>/activity</path>
<systemProperties>
<com.sun.management.jmxremote.port>4000</com.sun.management.jmxremote.port>
</systemProperties>
</configuration>
</plugin>
</plugins>
</build>
页面代码介绍：
springboot静态文件处理
@Configuration
public class WebConfig implements WebMvcConfigurer { @Override
public void addResourceHandlers(ResourceHandlerRegistry registry){
registry.addResourceHandler("/html/**").addResourceLocations("classpath:/html/");
registry.addResourceHandler("/diagram-viewer/**").addResourceLocations("classpath:/html/");
registry.addResourceHandler("/editor-app/**").addResourceLocations("classpath:/html/");
registry.addResourceHandler("/js/**").addResourceLocations("classpath:/js/");
registry.addResourceHandler("/css/**").addResourceLocations("classpath:/css/");
}
}
获取json数据的请求
@RestController
public class Test01Controller { @RequestMapping("/editor/stencilset")
public String test01(){
InputStream stream=this.getClass().getClassLoader().getResourceAsStream("stencilset.json");
try{
return IOUtils.toString(stream,"utf-8");
}catch (Exception e){ }
return null;
}
}
在线设计流程新建model
@Controller
@RequestMapping("model")
public class ModelTest { @RequestMapping("create")
public void createModel(HttpServletRequest request, HttpServletResponse response){
try{
String modelName = "modelName6";
String modelKey = "modelKey66";
String description = "modelKey666"; ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine(); RepositoryService repositoryService = processEngine.getRepositoryService(); ObjectMapper objectMapper = new ObjectMapper();
ObjectNode editorNode = objectMapper.createObjectNode();
editorNode.put("id", "canvas");
editorNode.put("resourceId", "canvas");
ObjectNode stencilSetNode = objectMapper.createObjectNode();
stencilSetNode.put("namespace", "http://b3mn.org/stencilset/bpmn2.0#");
editorNode.put("stencilset", stencilSetNode);
Model modelData = repositoryService.newModel(); ObjectNode modelObjectNode = objectMapper.createObjectNode();
modelObjectNode.put(ModelDataJsonConstants.MODEL_NAME, modelName);
modelObjectNode.put(ModelDataJsonConstants.MODEL_REVISION, 1);
modelObjectNode.put(ModelDataJsonConstants.MODEL_DESCRIPTION, description);
modelData.setMetaInfo(modelObjectNode.toString());
modelData.setName(modelName);
modelData.setKey(modelKey); //保存模型
repositoryService.saveModel(modelData);
repositoryService.addModelEditorSource(modelData.getId(), editorNode.toString().getBytes("utf-8"));
response.sendRedirect(request.getContextPath() + "/html/modeler.html?modelId=" + modelData.getId());
}catch (Exception e){
}
} }
画流程图保存请求
@RequestMapping("/model/{modelId}/save")
@ResponseStatus(HttpStatus.OK)
public void saveModel(@PathVariable String modelId, HttpServletRequest req, HttpServletResponse resp) {
try {
Model model = this.repositoryService.getModel(modelId);
ObjectNode modelJson = (ObjectNode)this.objectMapper.readTree(model.getMetaInfo());
modelJson.put("name", req.getParameter("name"));
modelJson.put("description",req.getParameter("description"));
model.setMetaInfo(modelJson.toString());
model.setName(req.getParameter("name"));
this.repositoryService.saveModel(model);
this.repositoryService.addModelEditorSource(model.getId(), (req.getParameter("json_xml")).getBytes("utf-8"));
InputStream svgStream = new ByteArrayInputStream((req.getParameter("svg_xml")).getBytes("utf-8"));
TranscoderInput input = new TranscoderInput(svgStream);
PNGTranscoder transcoder = new PNGTranscoder();
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
TranscoderOutput output = new TranscoderOutput(outStream);
transcoder.transcode(input, output);
byte[] result = outStream.toByteArray();
System.out.println(new String(result,"utf-8"));
this.repositoryService.addModelEditorSourceExtra(model.getId(), result);
outStream.close();
} catch (Exception var11) {
LOGGER.error("Error saving model", var11);
throw new ActivitiException("Error saving model", var11);
}
}
流程图查看的请求
@RequestMapping(
value = {"/model/{modelId}/json"},
method = {RequestMethod.GET},
produces = {"application/json"}
)
public ObjectNode getEditorJson(@PathVariable String modelId) {
ObjectNode modelNode = null;
Model model = this.repositoryService.getModel(modelId);
if (model != null) {
try {
if (StringUtils.isNotEmpty(model.getMetaInfo())) {
modelNode = (ObjectNode)this.objectMapper.readTree(model.getMetaInfo());
} else {
modelNode = this.objectMapper.createObjectNode();
modelNode.put("name", model.getName());
} modelNode.put("modelId", model.getId());
ObjectNode editorJsonNode = (ObjectNode)this.objectMapper.readTree(new String(this.repositoryService.getModelEditorSource(model.getId()), "utf-8"));
modelNode.put("model", editorJsonNode);
} catch (Exception var5) {
LOGGER.error("Error creating model JSON", var5);
throw new ActivitiException("Error creating model JSON", var5);
}
} return modelNode;
}
流程图保存成功以后这张表会有数据
流程图部署以后会出现bomn结尾的文件，
部署流程的请求，根据modelId
@RequestMapping("/model/test02")
public void test02(Object obj) throws Exception {
Model modelData = repositoryService.getModel("40001");
ObjectNode modelNode = (ObjectNode) new ObjectMapper().readTree(repositoryService.getModelEditorSource(modelData.getId()));
byte[] bpmnBytes = null;
BpmnModel model = new BpmnJsonConverter().convertToBpmnModel(modelNode);
bpmnBytes = new BpmnXMLConverter().convertToXML(model);
String processName = modelData.getName() + ".bpmn";
Deployment deployment = repositoryService.createDeployment()
.name(modelData.getName()).addString(processName, new String(bpmnBytes,"UTF-8"))
.deploy();
}
根据这个表的key进行流程启动，指定审批人
随意写了一些demo。。。。
重点步骤 就是新建model,保存提交部署流程，启动流程指定审批人，审批提交
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