向后端发送网络请求
后端接口对应代码为:
@Validated
@RequiredArgsConstructor
@RestController
@RequestMapping("/total/patient")
public class HistoryPatientController {
private final TotalPatientService totalPatientService;
@GetMapping("/list")
public TableDataInfo<TotalPatientVo> listPage(TotalPatientBo bo, PageQuery pageQuery) {
return totalPatientService.listPage(bo, pageQuery);
}
}
TotalPatientBo
:
@Data
public class TotalPatientBo {
private Integer type;
private Integer sex;
private String medicalId;
private Date updateTimeEarliest;
private Date updateTimeLatest;
}
PageQuery
:
@Data
public class PageQuery implements Serializable {
@Serial
private static final long serialVersionUID = 1L;
/**
* 分页大小
*/
private Integer pageSize;
/**
* 当前页数
*/
private Integer pageNum;
/**
* 排序列
*/
private String orderByColumn;
/**
* 排序的方向desc或者asc
*/
private String isAsc;
/**
* 当前记录起始索引 默认值
*/
public static final int DEFAULT_PAGE_NUM = 1;
/**
* 每页显示记录数 默认值 默认查全部
*/
public static final int DEFAULT_PAGE_SIZE = Integer.MAX_VALUE;
/**
* 构建分页对象
*/
public <T> Page<T> build() {
Integer pageNum = ObjectUtil.defaultIfNull(getPageNum(), DEFAULT_PAGE_NUM);
Integer pageSize = ObjectUtil.defaultIfNull(getPageSize(), DEFAULT_PAGE_SIZE);
if (pageNum <= 0) {
pageNum = DEFAULT_PAGE_NUM;
}
Page<T> page = new Page<>(pageNum, pageSize);
List<OrderItem> orderItems = buildOrderItem();
if (CollUtil.isNotEmpty(orderItems)) {
page.addOrder(orderItems);
}
return page;
}
/**
* 构建排序
*
* 支持的用法如下:
* {isAsc:"asc",orderByColumn:"id"} order by id asc
* {isAsc:"asc",orderByColumn:"id,createTime"} order by id asc,create_time asc
* {isAsc:"desc",orderByColumn:"id,createTime"} order by id desc,create_time desc
* {isAsc:"asc,desc",orderByColumn:"id,createTime"} order by id asc,create_time desc
*/
private List<OrderItem> buildOrderItem() {
if (StringUtils.isBlank(orderByColumn) || StringUtils.isBlank(isAsc)) {
return null;
}
String orderBy = SqlUtil.escapeOrderBySql(orderByColumn);
orderBy = StringUtils.toUnderScoreCase(orderBy);
// 兼容前端排序类型
isAsc = StringUtils.replaceEach(isAsc, new String[]{"ascending", "descending"}, new String[]{"asc", "desc"});
String[] orderByArr = orderBy.split(StringUtils.SEPARATOR);
String[] isAscArr = isAsc.split(StringUtils.SEPARATOR);
if (isAscArr.length != 1 && isAscArr.length != orderByArr.length) {
throw new ServiceException("排序参数有误");
}
List<OrderItem> list = new ArrayList<>();
// 每个字段各自排序
for (int i = 0; i < orderByArr.length; i++) {
String orderByStr = orderByArr[i];
String isAscStr = isAscArr.length == 1 ? isAscArr[0] : isAscArr[i];
if ("asc".equals(isAscStr)) {
list.add(OrderItem.asc(orderByStr));
} else if ("desc".equals(isAscStr)) {
list.add(OrderItem.desc(orderByStr));
} else {
throw new ServiceException("排序参数有误");
}
}
return list;
}
@JsonIgnore
public Integer getFirstNum() {
return (pageNum - 1) * pageSize;
}
public PageQuery(Integer pageSize, Integer pageNum) {
this.pageSize = pageSize;
this.pageNum = pageNum;
}
}
TableDataInfo
:
@Data
@NoArgsConstructor
public class TableDataInfo<T> implements Serializable {
@Serial
private static final long serialVersionUID = 1L;
/**
* 总记录数
*/
private long total;
/**
* 列表数据
*/
private List<T> rows;
/**
* 消息状态码
*/
private int code;
/**
* 消息内容
*/
private String msg;
/**
* 分页
*
* @param list 列表数据
* @param total 总记录数
*/
public TableDataInfo(List<T> list, long total) {
this.rows = list;
this.total = total;
this.code = HttpStatus.HTTP_OK;
this.msg = "查询成功";
}
/**
* 根据分页对象构建表格分页数据对象
*/
public static <T> TableDataInfo<T> build(IPage<T> page) {
TableDataInfo<T> rspData = new TableDataInfo<>();
rspData.setCode(HttpStatus.HTTP_OK);
rspData.setMsg("查询成功");
rspData.setRows(page.getRecords());
rspData.setTotal(page.getTotal());
return rspData;
}
/**
* 根据数据列表构建表格分页数据对象
*/
public static <T> TableDataInfo<T> build(List<T> list) {
TableDataInfo<T> rspData = new TableDataInfo<>();
rspData.setCode(HttpStatus.HTTP_OK);
rspData.setMsg("查询成功");
rspData.setRows(list);
rspData.setTotal(list.size());
return rspData;
}
/**
* 构建表格分页数据对象
*/
public static <T> TableDataInfo<T> build() {
TableDataInfo<T> rspData = new TableDataInfo<>();
rspData.setCode(HttpStatus.HTTP_OK);
rspData.setMsg("查询成功");
return rspData;
}
/**
* 根据原始数据列表和分页参数,构建表格分页数据对象(用于假分页)
*
* @param list 原始数据列表(全部数据)
* @param page 分页参数对象(包含当前页码、每页大小等)
* @return 构造好的分页结果 TableDataInfo<T>
*/
public static <T> TableDataInfo<T> build(List<T> list, IPage<T> page) {
if (CollUtil.isEmpty(list)) {
return TableDataInfo.build();
}
List<T> pageList = CollUtil.page((int) page.getCurrent() - 1, (int) page.getSize(), list);
return new TableDataInfo<>(pageList, list.size());
}
}
TotalPatientVo
:
@Data
public class TotalPatientVo {
private Long id;
private Date updateTime;
private String name;
private String type;
private String sex;
private String age;
private String idCard;
private String medicalId;
private Date appointmentTime;
private String phoneNumber;
private String principleAction;
private String presentIllnessHistory;
private String previousHistory;
private String diagnose;
}
将后端返回的数据放入列表当中,为空的话则默认"--"