用若依框架+百度地图编写电子围栏功能
时间: 2024-04-21 17:02:44 浏览: 13
若依框架是一个基于 Spring Boot 和 Mybatis-Plus 的开发框架,百度地图提供了电子围栏服务,可以通过百度地图 JavaScript API 来调用。
下面是一个简单的示例,演示如何在若依框架中使用百度地图的电子围栏服务:
1.首先,在若依框架中创建一个控制器类 FenceController,用于处理电子围栏相关的请求:
```java
@RestController
@RequestMapping("/fence")
public class FenceController {
@Autowired
private FenceService fenceService;
@PostMapping("/create")
public R createFence(@RequestBody FenceCreateDTO dto) {
try {
fenceService.createFence(dto);
return R.ok();
} catch (Exception e) {
return R.error(e.getMessage());
}
}
@PostMapping("/delete")
public R deleteFence(@RequestParam Long fenceId) {
try {
fenceService.deleteFence(fenceId);
return R.ok();
} catch (Exception e) {
return R.error(e.getMessage());
}
}
}
```
2.创建一个 FenceService 接口,定义电子围栏相关的服务方法:
```java
public interface FenceService {
void createFence(FenceCreateDTO dto) throws Exception;
void deleteFence(Long fenceId) throws Exception;
}
```
3.实现 FenceService 接口,使用百度地图服务创建和删除电子围栏:
```java
@Service
public class FenceServiceImpl implements FenceService {
@Autowired
private BaiduMapClient baiduMapClient;
@Override
public void createFence(FenceCreateDTO dto) throws Exception {
// 调用百度地图 API 创建电子围栏
FenceCreateRequest request = new FenceCreateRequest();
request.setName(dto.getName());
request.setFenceType(dto.getFenceType());
request.setMonitoredPersons(dto.getMonitoredPersons());
request.setPointList(dto.getPointList());
FenceCreateResponse response = baiduMapClient.createFence(request);
if (!response.isSuccess()) {
throw new Exception("创建电子围栏失败:" + response.getMessage());
}
// 保存电子围栏信息到数据库
Fence fence = new Fence();
fence.setName(dto.getName());
fence.setFenceType(dto.getFenceType());
fence.setMonitoredPersons(dto.getMonitoredPersons());
fence.setPointList(dto.getPointList());
fence.setFenceId(response.getFenceId());
fenceMapper.insert(fence);
}
@Override
public void deleteFence(Long fenceId) throws Exception {
// 调用百度地图 API 删除电子围栏
FenceDeleteRequest request = new FenceDeleteRequest();
request.setFenceIds(Collections.singletonList(fenceId));
FenceDeleteResponse response = baiduMapClient.deleteFence(request);
if (!response.isSuccess()) {
throw new Exception("删除电子围栏失败:" + response.getMessage());
}
// 从数据库中删除电子围栏信息
fenceMapper.deleteById(fenceId);
}
}
```
4.使用百度地图 JavaScript API 在前端页面上显示电子围栏:
```html
<!DOCTYPE html>
<html>
<head>
<title>电子围栏</title>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<style>
html, body, #map {
height: 100%;
margin: 0;
padding: 0;
}
</style>
</head>
<body>
<div id="map"></div>
<script src="http://api.map.baidu.com/api?v=2.0&ak=your_baidu_map_api_key"></script>
<script>
// 创建地图实例
var map = new BMap.Map("map");
// 初始化地图,设置中心点坐标和地图级别
map.centerAndZoom(new BMap.Point(116.404, 39.915), 14);
// 绘制电子围栏
var points = [
new BMap.Point(116.387112, 39.938583),
new BMap.Point(116.385243, 39.938251),
new BMap.Point(116.385243, 39.936679),
new BMap.Point(116.387261, 39.936516)
];
var polygon = new BMap.Polygon(points, {strokeColor: "blue", strokeWeight: 2, strokeOpacity: 0.5, fillColor: "blue", fillOpacity: 0.1});
map.addOverlay(polygon);
</script>
</body>
</html>
```
这个示例演示了如何在前端页面上使用百度地图 JavaScript API 绘制一个电子围栏。在实际应用中,可以将电子围栏的信息保存在数据库中,使用若依框架和百度地图 API 提供的服务来创建和删除电子围栏,同时使用 JavaScript API 在前端页面上显示电子围栏。