chainwaytsp

**Request address：** 
- `/ivci/api/vehicle/unBindingEquipment`
  
**Request method：**
- POST,GET

**Parameter description**

|Parameter name|Type|Description|Remark|
|:----    |:---|:----- |-----   |
|content |String  |Requested encrypted data |Mandatory   |
|merchantId |String  |Request customer ID of the users | Mandatory    |

**Remark** 
Content json format after decrypted via RSA
```
{
"userName":"testuser",
"antiFake":"4bbab6ff0d8042548cc6f2df9f3655fa",
"timestamp":"20160518165030",
"serverIP":"127.0.0.1",
 "unBindVehicle":{
"vehicleId":123456,
"equipmentPn":"PN001236589"
}
}
```

**Content parameter description**

|Name|Type|Description|Remark|
|:----    |:---|:----- |-----   |
|userName    |String  |User name |Mandatory|
|antiFake    |String  |Anti-fake string   |Mandatory|
|timestamp   |String  |Request time stamp to second |Mandatory|
|serverIP    |String  |Server IP   |Mandatory|
|unBindVehicle   |json    |Unbind vehicle information  |Mandatory|
|unBindVehicle.vehicleId |Int |Vehicle id    |Mandatory|
|unBindVehicle.equipmentPn   |String  |Equipment(Device) PN    |Mandatory|

**Use examples：**
1. Back end
```java
//read privateKeyStr
String privateKey=...........
//get digital signature
SimpleDateFormat  formatter = new SimpleDateFormat ("yyyyMMddHHmmss");
String timestamp=formatter.format(new Date());
String signStr=RSAUtils.sign(timestamp.getBytes(), privateKey);
String ip=request.getRemoteAddr();
//encrypt with private key
String ext=",\"unBindVehicle\":{.......}";
String dataStr="{\"userName\":\"testuser\",\"antiFake\":\""+signStr+"\",\"timestamp\":\""+timestamp+"\",\"serverIP\":\""+ip+"\" "+ext+" }";
```

2. Front end
Back end returns the encrypted content to the front end, and send request
http://xxxxx/ivci/api/vehicle/unBindingEquipment?merchantId=100000&content=content

**Return data**
Return data should be in json format
```json
{"code":0,"msg":"operation failure","data":{}}
```

**Return parameter**
 
|Parameter name|Type|Description|Remark|
|:----    |:---|:----- |-----   |
|code |   String | Operate result code（success=0，failure=1），refer to appendix 1  |Return|
|msg |String | Operate return information（Operation success，return null，operation failure，return prompt information） |&nbsp;|
|data |   json |&nbsp;|&nbsp;|

3.21 Vehicle unbinding equipment(device) interface