.net 如何使用camunda
时间: 2024-06-18 18:02:54 浏览: 218
Camunda是一个用于管理和执行流程的开源平台。.NET开发者可以使用Camunda REST API和C# SDK与Camunda进行交互。
首先,您需要安装Camunda。您可以从Camunda官方网站下载安装程序或使用Docker容器。
一旦安装好Camunda,您可以使用.NET的HttpClient类通过Camunda REST API与Camunda进行交互。您可以使用以下代码示例启动一个新的流程实例:
```csharp
using System.Net.Http;
using Newtonsoft.Json.Linq;
...
using (var client = new HttpClient())
{
client.BaseAddress = new Uri("http://localhost:8080/engine-rest");
var content = new JObject(
new JProperty("variables", new JObject(
new JProperty("myVariable", new JObject(
new JProperty("value", "myValue"),
new JProperty("type", "String")
))
)),
new JProperty("businessKey", "myBusinessKey")
);
var response = await client.PostAsJsonAsync("process-definition/key/myProcess/start", content);
if (response.IsSuccessStatusCode)
{
var result = await response.Content.ReadAsStringAsync();
Console.WriteLine(result);
}
else
{
Console.WriteLine("Failed to start process instance");
}
}
```
此外,Camunda还提供了C# SDK,可以更轻松地使用Camunda REST API。您可以使用以下代码示例使用C# SDK启动一个新的流程实例:
```csharp
using Camunda.Api.Client;
using Camunda.Api.Client.ProcessDefinition;
using Camunda.Api.Client.ProcessInstance;
...
var camunda = CamundaClient.Create("http://localhost:8080/engine-rest/");
var processDefinition = await camunda.ProcessDefinitions().ByKey("myProcess").Get();
var startProcessInstance = new StartProcessInstance { BusinessKey = "myBusinessKey" };
startProcessInstance.Variables.Add("myVariable", VariableValue.FromObject("myValue"));
var processInstance = await camunda.ProcessInstances().StartProcessInstance(processDefinition.Id, startProcessInstance);
Console.WriteLine(processInstance.Id);
```
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