Question

我正在尝试进行分页，与@RepositoryRestResource的选项非常相似但仅限于不是实体的对象。

代码：

public class FloorplanDevice {

private String FloorplanName;
private Long FloorplanId;

private Long DeviceId;
private String DeviceName;
private String macAddress;
private Long groupId;
private LocatableType deviceType;

public String getFloorplanName() {
    return FloorplanName;
}

public void setFloorplanName(String floorplanName) {
    FloorplanName = floorplanName;
}

public Long getFloorplanId() {
    return FloorplanId;
}

public void setFloorplanId(Long floorplanId) {
    FloorplanId = floorplanId;
}

public Long getDeviceId() {
    return DeviceId;
}

public void setDeviceId(Long deviceId) {
    DeviceId = deviceId;
}

public String getDeviceName() {
    return DeviceName;
}

public void setDeviceName(String deviceName) {
    DeviceName = deviceName;
}

public String getMacAddress() {
    return macAddress;
}

public void setMacAddress(String macAddress) {
    this.macAddress = macAddress;
}

public Long getGroupId() {
    return groupId;
}

public void setGroupId(Long groupId) {
    this.groupId = groupId;
}

public LocatableType getDeviceType() {
    return deviceType;
}

public void setDeviceType(LocatableType deviceType) {
    this.deviceType = deviceType;
}

public FloorplanDevice() {
}

public FloorplanDevice(String floorplanName, Long floorplanId, Long deviceId, String deviceName, String macAddress, Long groupId, LocatableType deviceType) {
    FloorplanName = floorplanName;
    FloorplanId = floorplanId;
    DeviceId = deviceId;
    DeviceName = deviceName;
    this.macAddress = macAddress;
    this.groupId = groupId;
    this.deviceType = deviceType;
  }
}

此对象没有存储库，但它有控制器：

   @RequestMapping(
      path = arrayOf("/floorplanDevice/{groupId}", "/floorplanDevice/{groupId}/"),
      method = arrayOf(RequestMethod.GET))
 open fun getFloorplanDevice(@PathVariable("groupId") groupId: Long): ResponseEntity<*>{

var floorplanDevice= floorplanService.getFloorplanDevice(groupId)
return ResponseEntity(floorplanDevice, HttpStatus.OK)

 }

那么如何使用页码和大小对此对象进行分页（如果可能还有排序）？

我正在使用java Spring

谢谢

Answer 1

尝试这样的事情：

<div *ngFor="let rn of store[0].items" class="items">
    <div *ngFor="let value of objectValues(rn)">
        <div *ngFor="let btn of objectKeys(value)">
            {{value[btn]}}
        </div>
    </div>
</div>

Answer 2

<强>解决方案：这是我使用PageListHolder的解决方案。

     @RequestMapping(
      path = arrayOf("/floorplanDevice/{groupId}/page/{pageNum}/size/{sizeNum}", "/floorplanDevice/{groupId}/page/{pageNum}/size/{sizeNum}/"),
      method = arrayOf(RequestMethod.GET))
open fun getFloorplanDevicePage(@PathVariable("groupId") groupId: Long, @PathVariable("pageNum") pageNum: Int,@PathVariable("sizeNum") sizeNum: Int): ResponseEntity<*>{

var floorplanDevice= floorplanService.getFloorplanDevice(groupId)
var paging= PagedListHolder<FloorplanDevice>(floorplanDevice)
var setsize= paging.setPageSize(sizeNum)
if(paging.pageCount>pageNum){
var setpage=paging.setPage(pageNum)}
else{
  return throw RuntimeException("page: $pageNum is too big, insert smaller page from 0 to ${paging.pageCount-1}")
  }
var pageList= paging.pageList
return ResponseEntity(pageList, HttpStatus.OK)

}

如何对非实体的对象进行分页？

2 个答案: