关键词:服务集成,系统集成,流程启动,通过服务启动流程,服务包装
O2OA允许用户自行修改源码或者增加源码来扩展系统服务，也可以包装功能更强的业务服务。本文主要介绍如何在Java代码中通过接口从第三方应用系统启动O2OA中的业务流程（通过第三方调用启动流程）。
本例使用Java语言发送请求，向服务器进行认证后，启动一个新的流程，创建一个工单
完整代码：
Demo_StartProcess.java
package net.o2oa.demos;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.codec.binary.StringUtils;
import org.json.JSONArray;
import org.json.JSONObject;
import net.o2oa.demos.Demo_LoginToServer.LoginResult;
/**
* 本例使用Java语言发送请求，向服务器进行认证后，启动一个新的流程，创建一个工单
* @author O2OA
*
*/
public class Demo_StartProcess {
static final String URL_LOGIN="/x_processplatform_assemble_surface/jaxrs/work/process/";
public static void main( String[] args ) {
String applicationServer = "127.0.0.1";
Integer applicationPort = 20020;
String userName = "张三";
String password = "o2";
String identity ="测试部门 张三@9659e75d-b3f3-4eb3-bf26-52812d9228ec@I";
String processFlag = "bc4b0018-edee-4225-838e-1b2db5c24f25";
String processData = "{\"latest\":\"false\",\"title\":\"使用Java启动流程示例一\",\"identity\":\""+identity+"\",\"data\":\"{'name':'这是Name参数'}\"}";
try {
LoginResult result = Demo_LoginToServer.login(applicationServer, applicationPort, userName, password);
if( StringUtils.equals( "success", result.getType() )) {
//成功登录 到O2Server
System.out.println("成功登录到O2Server！xtoken=" + result.getToken() );
//启动指定的流程
start( applicationServer, applicationPort, processFlag, processData, result.getToken() );
}else {
//登录失败
System.out.println("登录失败！message:" + result.getMessage() );
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static List start( String applicationServer, Integer applicationPort, String processFlag, String processData, String xtoken ) throws Exception {
//将xtoken添加到httpHeader里，调用服务一定要添加认证过的token
Map headMap = getHeader( xtoken );
String path = "http://" + applicationServer + ":" + applicationPort + URL_LOGIN + processFlag ;
String responseData = sendPost( path, processData, headMap);
JSONObject jsonObj = new JSONObject( responseData );
JSONArray dataArray = jsonObj.getJSONArray("data");
List workIds = new ArrayList<>();
if( dataArray != null && dataArray.length() > 0 ) {
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = (JSONObject) dataArray.get(i);
String workid = data.getString("work");
workIds.add( workid );
System.out.println("流程启动完成，生成workId=" + workid);
}
}
return workIds;
}
public static String sendPost( String url, String param, Map headers ) {
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try {
URL realUrl = new URL(url);
URLConnection conn = realUrl.openConnection();
headers.entrySet().forEach( header->{
conn.setRequestProperty(header.getKey(),header.getValue());
});
conn.setDoOutput(true);
conn.setDoInput(true);
out = new PrintWriter(conn.getOutputStream());
out.print(param);
out.flush();
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println(" POST" + e);
e.printStackTrace();
} finally {
try {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return result;
}
public static Map getHeader( String xtoken ) {
Map headMap = new HashMap();
headMap.put("x-token", xtoken );
headMap.put("Cookie", "x-token=" + xtoken );
headMap.put("accept", "*/*");
headMap.put("connection", "Keep-Alive");
headMap.put("Content-Type", "application/json; charset=utf-8");
headMap.put("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
return headMap;
}
}
返回Json格式：
{
"type": "success",
"data": [
{
"taskCompletedList": [],
"taskList": [
{
"id": "773c19e8-46b8-4fd5-b998-618e9a259958",
"job": "8baa58cb-914c-4c30-b32f-d9c23cf1cf7f",
"title": "测试----123321",
"startTime": "2019-10-19 15:41:48",
"startTimeMonth": "2019-10",
"work": "a3e0d9c6-aa73-4346-8ad9-d929903477d4",
"application": "a34ea9d9-cceb-45d4-8e55-d81b932ee438",
"applicationName": "测试应用",
"applicationAlias": "发文管理",
"process": "bc4b0018-edee-4225-838e-1b2db5c24f25",
"processName": "李义测试",
"processAlias": "",
"serial": "",
"person": "张三@0b31209b-cc14-46c6-afcb-d3823d0abfb7@P",
"identity": "张三@9659e75d-b3f3-4eb3-bf26-52812d9228ec@I",
"unit": "测试部门@b3a3a25b-6a10-45ed-8dc5-b354d7449c59@U",
"activity": "5596e264-7bd7-4d51-ad2d-1a0cf152695f",
"activityName": "拟稿",
"activityAlias": "",
"activityDescription": "",
"activityType": "manual",
"activityToken": "9d79104c-dfce-4407-8bd1-cb4981787267",
"creatorPerson": "张三@0b31209b-cc14-46c6-afcb-d3823d0abfb7@P",
"creatorIdentity": "张三@9659e75d-b3f3-4eb3-bf26-52812d9228ec@I",
"creatorUnit": "测试部门@b3a3a25b-6a10-45ed-8dc5-b354d7449c59@U",
"expired": false,
"urged": false,
"routeList": [
"cadae125-ff16-41e1-89dd-0e04f43295f0"
],
"routeNameList": [
"送核稿"
],
"routeOpinionList": [
""
],
"routeDecisionOpinionList": [
""
],
"routeName": "",
"opinion": "",
"modified": false,
"viewed": false,
"first": true,
"createTime": "2019-10-19 15:41:48",
"updateTime": "2019-10-19 15:41:48"
}
],
"currentTaskIndex": 0,
"id": "322e82e0-b5d6-45a9-9cb3-e4c93ea71150",
"job": "8baa58cb-914c-4c30-b32f-d9c23cf1cf7f",
"work": "a3e0d9c6-aa73-4346-8ad9-d929903477d4",
"completed": false,
"fromActivity": "5596e264-7bd7-4d51-ad2d-1a0cf152695f",
"fromActivityType": "manual",
"fromActivityName": "拟稿",
"fromActivityAlias": "",
"fromActivityToken": "9d79104c-dfce-4407-8bd1-cb4981787267",
"fromTime": "2019-10-19 15:41:48",
"application": "a34ea9d9-cceb-45d4-8e55-d81b932ee438",
"applicationName": "测试应用",
"process": "bc4b0018-edee-4225-838e-1b2db5c24f25",
"processName": "李义测试",
"connected": false,
"splitting": false,
"splitTokenList": [],
"createTime": "2019-10-19 15:41:48",
"updateTime": "2019-10-19 15:41:48"
}
],
"message": "",
"date": "2019-10-19 15:41:48",
"spent": 192,
"size": 1,
"count": 0,
"position": 0
}
pom.xml
<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>4.0.0modelVersion>
<groupId>net.o2oa.demosgroupId>
<artifactId>test_o2oa_java_demoartifactId>
<version>0.0.1-SNAPSHOTversion>
<packaging>jarpackaging>
<name>test_start_process_demoname>
<url>http://maven.apache.orgurl>
<properties>
<project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
properties>
<dependencies>
<dependency>
<groupId>org.apache.httpcomponentsgroupId>
<artifactId>httpclientartifactId>
<version>4.5.10version>
dependency>
<dependency>
<groupId>org.apache.httpcomponentsgroupId>
<artifactId>httpcore-nioartifactId>
<version>4.4.12version>
dependency>
<dependency>
<groupId>org.apache.httpcomponentsgroupId>
<artifactId>httpcoreartifactId>
<version>4.4.12version>
dependency>
<dependency>
<groupId>org.apache.httpcomponentsgroupId>
<artifactId>httpmimeartifactId>
<version>4.5.10version>
dependency>
<dependency>
<groupId>org.apache.commonsgroupId>
<artifactId>commons-lang3artifactId>
<version>3.9version>
dependency>
<dependency>
<groupId>com.google.code.gsongroupId>
<artifactId>gsonartifactId>
<version>2.8.5version>
dependency>
<dependency>
<groupId>org.jsongroupId>
<artifactId>jsonartifactId>
<version>20190722version>
dependency>
<dependency>
<groupId>junitgroupId>
<artifactId>junitartifactId>
<version>3.8.1version>
<scope>testscope>
dependency>
dependencies>
project>
推荐文章：
神经网络
2021-02-19
O2OA支持配置神经网络模型，协助完成办公系统中的信息推荐，意见选择等功能。它是一种模仿动物神经网络行为特征，进行分布式并行信息处理的算法数学模型，通过创建神经
移动办公-将平台集成到企业微信(WeChat)
2021-02-25
O2OA平台拥有配套的原生开发的安卓和IOS移动APP，可以以自建应用的方式集成到企业微信，同步企业微信的企业通讯录作为本地组织人员架构，并且可以将待办等通知直
平台服务器下载及安装部署-Linux环境
2021-02-25
O2OA信息化系统开发支持公有云，私有云和混合云部署，也支持复杂的网络结构下的分布式部署。O2OA开发平台安装部署非常方便，只需要简单的三步即可完成安装。平台内
业务开发-组织架构-下级组织创建操作
2021-02-26
O2OA提供多级组织架构设置能力，用户可以在系统内设置集团、分公司、部门、小组等多级企业组织结构来满足办公需要。本文主要介绍如何在O2OA中创建顶组织的下级组织
数据清理-O2OA平台如何清除测试数据
2021-02-07
当O2OA业务开发、测试完成时，上线前通常需要清除已经存在的测试数据，或者演示数据。O2OA提供命令对指定模块的业务数据进行清除。清除测试数据清除已存在的业务数
常见问题-接口代码疑惑解答汇总
2021-02-07
一、分页样例代码try(EntityManagerContaineremc=EntityManagerContainerFactory.instance().c
快速入门-自定义表数据分页样例
2021-02-07
一、分页获取自定义表数据接口代码var getRowCount = function(tableFlag,where){ var data = {};
平台维护-备份和恢复平台数据操作
2021-02-26
O2OA提供平台数据导出导入的数据迁移方案，开发者可以将平台的全部数据从一个环境平滑迁移到其他的环境，不受操作系统和数据库限制，这也是一个很好的系统自动备份和恢
密码管理-超级管理员密码修改
2021-02-25
O2OA内置了一个登录账号为xadmin的超级管理员，此管理员信息未添加到组织结构中，对超级管理员的密码修改，可以使用命令，系统配置或者修改配置文件。本篇主要介
日志管理-平台日志文件说明
2021-02-25
O2OA平台有几种查看日志的方式，日志文件和日志查看器。本篇主要介绍如何将在O2OA中查询日志。