前言
前面用spring boot整合了activiti5 ,這次做一個升級一步步記錄如何整合及整合過程中遇到的問題,希望大家遇到類似的問題後 能快速解決
一、下載官網的demo代碼
https://github.com/Activiti/activiti-examples
下載官網的demo,下載下來後,我切到了7.0.x版本的分支,結構如下:
下載下來的代碼有很多報錯,因爲jar包找不到,打開任何一個子模塊,最下面有一個倉庫地址,activiti 7 的jar依賴需要從這個倉庫地址下載
<repositories>
<repository>
<id>alfresco</id>
<name>Activiti Releases</name>
<url>https://artifacts.alfresco.com/nexus/content/repositories/activiti-releases/</url>
<releases>
<enabled>true</enabled>
</releases>
</repository>
</repositories>
二、代碼整合
jar下載下來後,不報錯後,隨意選一個模塊,進行整合,我選 了activiti-api-spring-integration-example這個模塊
註解其它類,只保留 DemoApplication這個啓動類,並只保留了main方法
1、添加yml配置
# 服務配置
server:
port: 8085
# Spring相關配置
spring:
##數據庫連接信息
datasource:
# 數據源配置
type: com.zaxxer.hikari.HikariDataSource
url: jdbc:mysql://127.0.0.1:3309/activity?useUnicode=true&characterEncoding=utf8&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=Asia/Shanghai&useSSL=false&allowMultiQueries=true&nullCatalogMeansCurrent=true
username: root
password: 123456
# SQLException: XAER_INVAL: Invalid arguments (or unsupported command)問題
xa:
properties:
pinGlobalTxToPhysicalConnection: true
useServerPrepStmts: true
thymeleaf:
mode: HTML
encoding: utf-8
# 禁用緩存
cache: false
application:
# 註冊應用名
name: actdemo
mvc:
# 靜態資源路徑
static-path-pattern: /static/**
# 參考配置https://www.cnblogs.com/liaojie970/p/8857710.html
activiti:
# 自動建表
database-schema: activity
database-schema-update: true
history-level: full
db-history-used: true
2、添加依賴
我用的Myslq,所以添加Mysql依賴,其中一些依賴是用於整合官方編輯器用的
<!-- Thymeleaf依賴 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<!-- Activiti生成流程圖 -->
<dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-image-generator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-core</artifactId>
<version>5.2.1.RELEASE</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.activiti</groupId>
<artifactId>activiti-json-converter</artifactId>
<version>6.0.0</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<scope>provided</scope>
<version>1.16.18</version>
</dependency>
<!--使用mysql數據庫,導入mysql驅動-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.apache.xmlgraphics</groupId>
<artifactId>batik-codec</artifactId>
<version>1.7</version>
</dependency>
3、添加官方編輯器
activit後面的源碼下載後,已經找不到編輯器了,所以我用了之前的代碼
3.1、添加幾個主要的類
3.2、添加js
3.3、訪問列表方法http://localhost:8085/models/modelist,顯示登錄頁面
activity7 會在內存中生成一個用戶名,密碼。
用戶名固定是 : user
密碼是隨機生成UUID,密碼生成後,會在控制檯打印出現如下:
Using generated security password: 18cc84ba-b9ae-473f-92a9-d640f13136d0
ctrl+F ,查找關鍵字Using generated security password
3.4、輸入用戶名密碼後,可以顯示列表面如下:
/**
* 獲取所有模型
* @return
*/
@GetMapping
@RequestMapping("modelist")
public String modelList(org.springframework.ui.Model model){
securityUtil.logInAs("system");
List<Model> models = repositoryService.createModelQuery().orderByCreateTime().desc().list();
model.addAttribute("models",models);
return "model/list";
}
3.5、點擊創建新建按鈕,還是會調用後臺一個方法:
/**
* 新建一個空模型
* @return
* @throws UnsupportedEncodingException
*/
@PostMapping("newmodel")
public Object newModel(NewModel newModel) throws UnsupportedEncodingException {
//securityUtil.logInAs("admin");
//初始化一個空模型
Model model = repositoryService.newModel();
//設置一些默認信息
String name = newModel.getName();
String description = newModel.getDes();
int revision = 1;
String key = newModel.getKey();
ObjectNode modelNode = objectMapper.createObjectNode();
modelNode.put(ModelDataJsonConstants.MODEL_NAME, name);
modelNode.put(ModelDataJsonConstants.MODEL_DESCRIPTION, description);
modelNode.put(ModelDataJsonConstants.MODEL_REVISION, revision);
model.setName(name);
model.setKey(key);
model.setMetaInfo(modelNode.toString());
repositoryService.saveModel(model);
String id = model.getId();
//完善ModelEditorSource
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);
repositoryService.addModelEditorSource(id,editorNode.toString().getBytes("utf-8"));
return "redirect:/static/modeler.html?modelId="+id;
}
但是會報這個403, 貌似 是crsf
3.6、關閉csrf
@Component
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
@Override
public void configure(HttpSecurity httpSecurity) throws Exception {
httpSecurity.csrf().disable();
}
}
再次訪問列表頁,用戶名和密碼也不用再輸入了。
4、創建一個流程
三、遇到問題
1、jar下載失敗
切到demo中pom的倉庫,下載jar
<repositories>
<repository>
<id>alfresco</id>
<name>Activiti Releases</name>
<url>https://artifacts.alfresco.com/nexus/content/repositories/activiti-releases/</url>
<releases>
<enabled>true</enabled>
</releases>
</repository>
</repositories>
2、剛開始啓動時,不創建表
數據庫url中添加 &nullCatalogMeansCurrent=true
3、從activity5 中 複製的3個Java類,報錯,引入相應的Jar包即可
其中繼承了一個靜態接口的 類,去掉靜態接口繼承,直接將靜態接口中 定義的幾個常量 複製出來,自己創建一個接口即可,再重定引入,如下
public interface ModelDataJsonConstants {
String MODEL_ID = "modelId";
String MODEL_NAME = "name";
String MODEL_REVISION = "revision";
String MODEL_DESCRIPTION = "description";
}
4、需要輸入用戶名、密碼
可以自己在內存中定義或 直接關閉crfs。
在內存定義,實際demo原本就有,現在放開註釋掉的代碼:
/**
* 如果不注入這個bean,那麼會在內存中生一個固定用戶user , 密碼爲UUID
* 密碼會在控制檯 打印出來,關鍵字:Using generated security password
* @return
*/
@Bean
public UserDetailsService myUserDetailsService() {
InMemoryUserDetailsManager inMemoryUserDetailsManager = new InMemoryUserDetailsManager();
String[][] usersGroupsAndRoles = {
//定義了2個用戶名,密碼
{"system", "password", "ROLE_ACTIVITI_USER"},
{"admin", "password", "ROLE_ACTIVITI_ADMIN"},
};
for (String[] user : usersGroupsAndRoles) {
List<String> authoritiesStrings = Arrays.asList(Arrays.copyOfRange(user, 2, user.length));
logger.info("> Registering new user: " + user[0] + " with the following Authorities[" + authoritiesStrings + "]");
inMemoryUserDetailsManager.createUser(new User(user[0], passwordEncoder().encode(user[1]),
authoritiesStrings.stream().map(s -> new SimpleGrantedAuthority(s)).collect(Collectors.toList())));
}
return inMemoryUserDetailsManager;
}
@Bean
public PasswordEncoder passwordEncoder() {
return new BCryptPasswordEncoder();
}
5、訪問新建模塊接口 403
關閉crfs