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update:ldp应用集成流程引擎服务接口使用说明更新

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流程系统集成/LDP应用集成流程服务说明.md
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## LDP 应用（后台）集成流程服务说明
LDP应用集成流程服务接口服务已集成到最新版脚手架工程，一些代码及样例说明都是基于最新版框架应用开发脚手架工程。
### 应用系统集成使用流程引擎用例
- ##### 流程-发起
```java
/**
* 服务层代码样例
*/
@Service
public class LdpCityServiceImpl extends AbsLocalBaseDao implements LdpCityService {
/**
* 注入流程服务类
*/
@Autowired
ProcessEngineService processEngineService;
/**
* 提交到流程系统
* @param ldpCity
* @return
*/
@Transactional(rollbackFor = Exception.class)
@AutoService
@Override
public String submit(LdpCity ldpCity) {
//提交单据数据到本地数据库
String id= (String) this.addOne(ldpCity);
String formKey="demo";
try {
// 调用流程引擎启动服务，catch并抛出异常
String instanceId = processEngineService.start(formKey, id, new ProcessParam());
}catch (Exception e){
throw e;
}
return id;
}
}
/**
* Controller层代码样例
*/
@RestController
@RequestMapping("localdemo/city")
public class LdpCityRest {
/**
* 流程业务-提交，发起流程
*
* @param city
* @return
*/
@PostMapping("/submit")
public RestResult submitCity(@RequestBody LdpCity city) {
String ID=ldpCityService.submit(city);
return new RestResult(ResultMsg.SUCCESS, ID);
}
}
```
- ##### 流程-批准同意
```java
/**
* Controller层代码样例
*/
@RestController
@RequestMapping("localdemo/city")
public class LdpCityRest {
@Autowired
ProcessEngineService processEngineService;
/**
* 流程业务-批准同意
* @return
*/
@GetMapping("/approve")
public RestResult approve(@RequestParam String businessKey,@RequestParam String comment) {
return new RestResult(ResultMsg.SUCCESS, processEngineService.agree(businessKey,comment));
}
}
```
- ##### 流程-打回
```java
/**
* Controller层代码样例
*/
@RestController
@RequestMapping("localdemo/city")
public class LdpCityRest {
@Autowired
ProcessEngineService processEngineService;
/**
* 流程业务-不同意，打回
* @return
*/
@GetMapping("/reject")
public RestResult reject(@RequestParam String businessKey,@RequestParam String comment) {
return new RestResult(ResultMsg.SUCCESS, processEngineService.reject(businessKey,comment));
}
}
```
- ##### 流程-获取待办列表
```java
/**
* Controller层代码样例
*/
@RestController
@RequestMapping("localdemo/city")
public class LdpCityRest {
@Autowired
ProcessEngineService processEngineService;
/**
* 流程业务-待办列表
* @return
*/
@GetMapping("/todo")
public RestResult toDo() {
return new RestResult(ResultMsg.SUCCESS, processEngineService.getTodoList());
}
}
```
### 集成流程引擎核心服务类
#### BpmClientFeignService，feign服务方式调用流程引擎服务(bpm-service)接口类
```java
/**
* 业务流程服务 bpm-service client 接口服务
* @author xiaomage
*/
@FeignClient(value = "bpm-service",configuration = HeaderRequestInterceptorForToken.class)
public interface BpmClientFeignService {
/**
* 启动流程
* @param formKey 表单KEY
* @param businessKey 业务流程ID，一般为单据或表单ID
* @param startParam 启动参数
* @return 流程实例ID
*/
@PostMapping("/process/open/start")
RestResult<String> start(@RequestParam("formKey") String formKey, @RequestParam("businessKey") String businessKey, @RequestBody ProcessParam startParam);
/**
* 获取审批流程内容
* @param businessKey 单据或表单ID
* @return 审批意见列表
*/
@GetMapping("/process/comment/list")
RestResult<List<ProcessComment>> getProcessComments(@RequestParam("businessKey") String businessKey);
/**
* 流程审批流程图
*
* @param businessKey 单据或表单ID
* @return 流程图byte数组
*/
@GetMapping("/process/open/image")
RestResult<byte[]> getProcessInstanceImage(@RequestParam("businessKey") String businessKey);
/**
* 获取待办列表
* @param formKey
* @return 待办列表
*/
@GetMapping("/process/open/todo/list")
RestResult<List<ProcessInfo>> getTodoList(@RequestParam("formKey") String formKey);
/**
* 获取待办列表
* @return 待办列表
*/
@GetMapping("/process/open/todo/list")
RestResult<List<ProcessInfo>> getTodoList();
/**
* 终止流程
* @param businessKey 表单ID
* @param comment 审批意见
* @return
*/
@PostMapping("/process/open/stop")
RestResult stop(@RequestParam("businessKey") String businessKey, @RequestParam("comment") String comment);
/**
* 审批同意（到下一个审批节点）
* @param businessKey 表单ID
* @param comment 审批意见
* @return
*/
@PostMapping("/process/open/agree")
RestResult agree(@RequestParam("businessKey") String businessKey, @RequestParam("comment") String comment);
/**
* 拒绝打回（到上一个审批节点）
* @param businessKey 表单ID
* @param comment 审批意见
* @return
*/
@PostMapping("/process/open/reject")
RestResult reject(@RequestParam("businessKey") String businessKey, @RequestParam("comment") String comment);
/**
* 打回到起始节点
* @param businessKey 表单ID
* @param comment 审批意见
* @return
*/
@PostMapping("/process/open/back")
RestResult back(@RequestParam("businessKey") String businessKey, @RequestParam("comment") String comment);
}
```
#### ProcessEngineService，应用集成流程引擎业务类
```java
/**
* 流程引擎服务接口
* @author xiaomage
*/
public interface ProcessEngineService {
/**
* 启动流程
* @param formKey 表单KEY
* @param businessKey 业务流程ID，一般为单据或表单ID
* @param startParam 启动参数
* @return 流程实例ID
*/
String start( String formKey, String businessKey,ProcessParam startParam);
/**
* 获取审批流程内容
* @param businessKey 单据或表单ID
* @return
*/
List<ProcessComment> getProcessComments( String businessKey);
/**
* 流程审批流程图
*
* @param businessKey 单据或表单ID
* @return base64字符串
*/
String getProcessInstanceImage(String businessKey);
/**
* 获取待办列表
* @param formKey
* @return
*/
List<ProcessInfo> getTodoList(String formKey);
/**
* 获取待办列表
* @return
*/
List<ProcessInfo> getTodoList();
/**
* 终止流程
* @param businessKey 表单ID
* @param comment 审批意见
* @return
*/
boolean stop(String businessKey,String comment);
/**
* 审批同意（到下一个审批节点）
* @param businessKey 表单ID
* @param comment 审批意见
* @return
*/
boolean agree(String businessKey, String comment);
/**
* 拒绝打回（到上一个审批节点）
* @param businessKey 表单ID
* @param comment 审批意见
* @return
*/
boolean reject(String businessKey,String comment);
/**
* 打回到起始节点
* @param businessKey 表单ID
* @param comment 审批意见
* @return
*/
boolean back(String businessKey, String comment);
}
```
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