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smartDriveEE/src/main/java/com/rj/service/impl/LbAssessmentApplyServiceImpl.java
2026-05-30 09:13:53 +08:00

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package com.rj.service.impl;
import com.alibaba.dashscope.aigc.generation.Generation;
import com.alibaba.dashscope.aigc.generation.GenerationParam;
import com.alibaba.dashscope.aigc.generation.GenerationResult;
import com.alibaba.dashscope.common.Message;
import com.alibaba.dashscope.common.Role;
import com.alibaba.dashscope.exception.InputRequiredException;
import com.alibaba.dashscope.exception.NoApiKeyException;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.rj.entity.LbAssessmentApply;
import com.rj.mapper.LbAssessmentApplyMapper;
import com.rj.service.DingTalkRobotService;
import com.rj.service.ILbAssessmentApplyService;
import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFColor;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpHeaders;
import org.springframework.stereotype.Service;
import java.awt.Color;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
@Slf4j
@Service
public class LbAssessmentApplyServiceImpl
extends ServiceImpl<LbAssessmentApplyMapper, LbAssessmentApply>
implements ILbAssessmentApplyService {
@Autowired
private ObjectMapper objectMapper;
@Autowired
private DingTalkRobotService dingTalkRobotService;
@Value("${langchain4j.open-ai.chat-model.model-name:qwen-plus}")
private String dashScopeChatModel;
private static final String ASSESSMENT_PARSE_SYSTEM_PROMPT = """
你是信息抽取助手。用户会提供一段与「申请评估」相关的自然语言描述。
请只输出一个 JSON 对象,不要 markdown 代码块,不要解释性文字。
字段均为可选;无法从原文推断的字段请省略或设为 null。
字段名与含义JSON 键名必须完全一致,与 Java 驼峰一致):
applicantName 申请人姓名;
applicantPhone 申请人电话;
applicantAge 年龄(整数);
workExperience 从业经历;
colleagueName 同事姓名;
colleaguePhone 同事电话;
teamLeaderName 团队长姓名;
teamBigLeaderName 全收益团队长姓名;
assessmentTeacherName 评估老师姓名;
moderatorName 主持人姓名;
meetingNumber 会议号;
applicationDatetime 申请日期时间,优先 ISO-8601如 2026-05-15T14:30:00也可 yyyy-MM-dd HH:mm:ss若仅有日期可设为当天 00:00:00。
不要输出 id、tenantId、createdAt、updatedAt、notificationText、sortedNum。
""";
@Override
public Map<String, Object> parseFromAssessmentTextByLlm(String assessmentText, String tenantId) {
Map<String, Object> result = new HashMap<>();
try {
if (assessmentText == null || assessmentText.trim().isEmpty()) {
result.put("success", false);
result.put("message", "申请评估文本不能为空");
return result;
}
if (tenantId == null || tenantId.trim().isEmpty()) {
result.put("success", false);
result.put("message", "tenantId不能为空");
return result;
}
String apiKey = System.getenv("DASHSCOPE_API_KEY");
if (apiKey == null || apiKey.isEmpty()) {
result.put("success", false);
result.put("message", "未配置环境变量 DASHSCOPE_API_KEY无法调用大模型");
return result;
}
Generation gen = new Generation();
Message systemMsg = Message.builder()
.role(Role.SYSTEM.getValue())
.content(ASSESSMENT_PARSE_SYSTEM_PROMPT)
.build();
Message userMsg = Message.builder()
.role(Role.USER.getValue())
.content("申请评估信息如下:\n" + assessmentText.trim())
.build();
GenerationParam param = GenerationParam.builder()
.apiKey(apiKey)
.model(dashScopeChatModel)
.messages(Arrays.asList(systemMsg, userMsg))
.resultFormat(GenerationParam.ResultFormat.MESSAGE)
.build();
GenerationResult call = gen.call(param);
String raw = call.getOutput().getChoices().get(0).getMessage().getContent();
if (raw == null || raw.trim().isEmpty()) {
result.put("success", false);
result.put("message", "大模型返回内容为空");
return result;
}
String json = normalizeJson(raw);
LbAssessmentApply entity = objectMapper.readValue(json, LbAssessmentApply.class);
entity.setTenantId(tenantId.trim());
entity.setId(null);
entity.setCreatedAt(null);
entity.setUpdatedAt(null);
result.put("success", true);
result.put("message", "解析成功");
result.put("data", entity);
return result;
} catch (NoApiKeyException e) {
log.error("DashScope API Key 异常", e);
result.put("success", false);
result.put("message", "API密钥异常" + e.getMessage());
return result;
} catch (InputRequiredException e) {
log.error("DashScope 入参异常", e);
result.put("success", false);
result.put("message", "调用大模型入参错误:" + e.getMessage());
return result;
} catch (Exception e) {
log.error("申请评估信息大模型解析失败", e);
result.put("success", false);
result.put("message", "解析失败:" + e.getMessage());
return result;
}
}
private static String normalizeJson(String content) {
if (content == null) {
return "";
}
String trimmed = content.trim();
if (trimmed.startsWith("```")) {
int firstLineBreak = trimmed.indexOf('\n');
int lastFence = trimmed.lastIndexOf("```");
if (firstLineBreak >= 0 && lastFence > firstLineBreak) {
trimmed = trimmed.substring(firstLineBreak + 1, lastFence).trim();
}
}
return trimmed;
}
@Override
public Map<String, Object> add(LbAssessmentApply entity) {
Map<String, Object> result = new HashMap<>();
try {
if (entity.getTenantId() == null) {
result.put("success", false);
result.put("message", "tenantId不能为空");
return result;
}
if (entity.getApplicantName() == null || entity.getApplicantName().trim().isEmpty()) {
result.put("success", false);
result.put("message", "applicantName不能为空");
return result;
}
if (entity.getApplicantPhone() == null || entity.getApplicantPhone().trim().isEmpty()) {
result.put("success", false);
result.put("message", "applicantPhone不能为空");
return result;
}
if (entity.getId() == null || entity.getId().trim().isEmpty()) {
entity.setId(UUID.randomUUID().toString());
}
LocalDateTime now = LocalDateTime.now();
if (entity.getCreatedAt() == null) {
entity.setCreatedAt(now);
}
entity.setUpdatedAt(now);
if (entity.getSortedNum() == null || entity.getSortedNum().trim().isEmpty()) {
entity.setSortedNum(resolveNextSortedNum(entity.getTenantId()));
}
refreshNotificationText(entity);
boolean ok = this.save(entity);
result.put("success", ok);
result.put("message", ok ? "新增成功" : "新增失败");
if (ok) {
result.put("data", entity);
}
return result;
} catch (Exception e) {
result.put("success", false);
result.put("message", "新增异常:" + e.getMessage());
return result;
}
}
@Override
public Map<String, Object> update(LbAssessmentApply entity) {
Map<String, Object> result = new HashMap<>();
try {
if (entity.getId() == null || entity.getId().trim().isEmpty()) {
result.put("success", false);
result.put("message", "id不能为空");
return result;
}
entity.setUpdatedAt(LocalDateTime.now());
boolean ok = this.updateById(entity);
if (ok) {
persistNotificationText(entity.getId());
}
result.put("success", ok);
result.put("message", ok ? "编辑成功" : "编辑失败");
if (ok) {
result.put("data", this.getById(entity.getId()));
}
return result;
} catch (Exception e) {
result.put("success", false);
result.put("message", "编辑异常:" + e.getMessage());
return result;
}
}
@Override
public Map<String, Object> deleteById(String id) {
Map<String, Object> result = new HashMap<>();
try {
boolean ok = this.removeById(id);
result.put("success", ok);
result.put("message", ok ? "删除成功" : "删除失败");
return result;
} catch (Exception e) {
result.put("success", false);
result.put("message", "删除异常:" + e.getMessage());
return result;
}
}
@Override
public Map<String, Object> pageQuery(Integer current,
Integer size,
String tenantId,
String applicantName,
String applicantPhone,
String colleagueName,
String teamLeaderName,
String teamBigLeaderName,
String assessmentTeacherName,
String moderatorName,
String meetingNumber) {
Map<String, Object> result = new HashMap<>();
try {
if (current == null || current < 1) {
current = 1;
}
if (size == null || size < 1) {
size = 10;
}
LambdaQueryWrapper<LbAssessmentApply> queryWrapper = buildQueryWrapper(
tenantId, applicantName, applicantPhone, colleagueName, teamLeaderName,
teamBigLeaderName, assessmentTeacherName, moderatorName, meetingNumber
);
Page<LbAssessmentApply> page = this.page(new Page<>(current, size), queryWrapper);
result.put("success", true);
result.put("message", "查询成功");
result.put("data", page.getRecords());
result.put("total", page.getTotal());
result.put("current", page.getCurrent());
result.put("size", page.getSize());
result.put("pages", page.getPages());
return result;
} catch (Exception e) {
result.put("success", false);
result.put("message", "查询异常:" + e.getMessage());
log.error( "查询异常", e);
return result;
}
}
private static final DateTimeFormatter NOTIFICATION_DATE_TIME_FORMATTER =
DateTimeFormatter.ofPattern("M月d日 HH:mm");
private static final DateTimeFormatter MODERATOR_DATE_TIME_FORMATTER =
DateTimeFormatter.ofPattern("M月d日 H:mm");
private static final long MODERATOR_CONNECT_MINUTES_BEFORE = 20L;
@Override
public Map<String, Object> buildAssessmentNotificationText(String tenantId, String id) {
Map<String, Object> result = new HashMap<>();
try {
if (tenantId == null || tenantId.trim().isEmpty()) {
result.put("success", false);
result.put("message", "tenantId不能为空");
return result;
}
if (id == null || id.trim().isEmpty()) {
result.put("success", false);
result.put("message", "id不能为空");
return result;
}
LbAssessmentApply record = getByTenantIdAndId(tenantId, id);
if (record == null) {
result.put("success", false);
result.put("message", "未找到对应的申请评估记录");
return result;
}
String text = ensureAndSaveNotificationText(record);
result.put("success", true);
result.put("message", "生成成功");
result.put("data", text);
return result;
} catch (Exception e) {
log.error("生成评估会议通知文案失败, tenantId={}, id={}", tenantId, id, e);
result.put("success", false);
result.put("message", "生成失败:" + e.getMessage());
return result;
}
}
@Override
public Map<String, Object> sendNotificationTextToDingTalk(String tenantId, String id) {
Map<String, Object> result = new HashMap<>();
try {
if (tenantId == null || tenantId.trim().isEmpty()) {
result.put("success", false);
result.put("message", "tenantId不能为空");
return result;
}
if (id == null || id.trim().isEmpty()) {
result.put("success", false);
result.put("message", "id不能为空");
return result;
}
LbAssessmentApply record = getByTenantIdAndId(tenantId, id);
if (record == null) {
result.put("success", false);
result.put("message", "未找到对应的申请评估记录");
return result;
}
String text = ensureAndSaveNotificationText(record);
dingTalkRobotService.sendText(text);
result.put("success", true);
result.put("message", "发送成功");
result.put("data", text);
return result;
} catch (IllegalArgumentException | IllegalStateException e) {
log.warn("发送评估会议通知到钉钉失败, tenantId={}, id={}, reason={}", tenantId, id, e.getMessage());
result.put("success", false);
result.put("message", e.getMessage());
return result;
} catch (Exception e) {
log.error("发送评估会议通知到钉钉异常, tenantId={}, id={}", tenantId, id, e);
result.put("success", false);
result.put("message", "发送失败:" + e.getMessage());
return result;
}
}
private LbAssessmentApply getByTenantIdAndId(String tenantId, String id) {
LambdaQueryWrapper<LbAssessmentApply> queryWrapper = new LambdaQueryWrapper<>();
queryWrapper.eq(LbAssessmentApply::getTenantId, tenantId.trim())
.eq(LbAssessmentApply::getId, id.trim());
return this.getOne(queryWrapper);
}
/**
* 返回可用的通知文案:库中已有则直接返回,否则生成并落库。
*/
private String ensureAndSaveNotificationText(LbAssessmentApply record) {
String text = formatAssessmentNotificationText(record);
LbAssessmentApply update = new LbAssessmentApply();
update.setId(record.getId());
update.setNotificationText(text);
update.setUpdatedAt(LocalDateTime.now());
if (!this.updateById(update)) {
throw new IllegalStateException("通知文案保存失败");
}
record.setNotificationText(text);
return text;
}
private void refreshNotificationText(LbAssessmentApply entity) {
entity.setNotificationText(formatAssessmentNotificationText(entity));
}
private void persistNotificationText(String id) {
LbAssessmentApply record = this.getById(id);
if (record == null) {
return;
}
LbAssessmentApply update = new LbAssessmentApply();
update.setId(id);
update.setNotificationText(formatAssessmentNotificationText(record));
update.setUpdatedAt(LocalDateTime.now());
this.updateById(update);
}
private static String formatAssessmentNotificationText(LbAssessmentApply record) {
String teacherName = nullToEmpty(record.getAssessmentTeacherName());
String applicantName = nullToEmpty(record.getApplicantName());
String colleagueName = nullToEmpty(record.getColleagueName());
String teamLeaderName = nullToEmpty(record.getTeamLeaderName());
String moderatorName = nullToEmpty(record.getModeratorName());
String meetingNumber = nullToEmpty(record.getMeetingNumber());
String assessmentDateTimeText = formatNotificationDateTime(record.getApplicationDatetime());
String moderatorDateTimeText = formatModeratorConnectDateTime(record.getApplicationDatetime());
StringBuilder sb = new StringBuilder();
sb.append(record.getSortedNum());
sb.append(teacherName).append(" ,您好!\n");
if (!assessmentDateTimeText.isEmpty()) {
sb.append(assessmentDateTimeText).append("由您主评\n");
} else {
sb.append("由您主评\n");
}
sb.append("申评人: ").append(applicantName).append('\n');
sb.append("同事: ").append(colleagueName).append('\n');
sb.append("团队长: ").append(teamLeaderName).append('\n');
sb.append("评估老师: ").append(teacherName).append("\n");
sb.append("主持人: ").append(moderatorName);
if (!moderatorDateTimeText.isEmpty()) {
sb.append(" ").append(moderatorDateTimeText);
}
sb.append("连线☎\n\n");
sb.append("#腾讯会议: ").append(meetingNumber).append('\n');
sb.append("❤旁听学习须关麦静场\n");
sb.append("❤影响干扰会被移出");
return sb.toString();
}
private static String formatNotificationDateTime(LocalDateTime datetime) {
if (datetime == null) {
return "";
}
return datetime.format(NOTIFICATION_DATE_TIME_FORMATTER);
}
private static String formatModeratorConnectDateTime(LocalDateTime applicationDatetime) {
if (applicationDatetime == null) {
return "";
}
LocalDateTime connectTime = applicationDatetime.minus(MODERATOR_CONNECT_MINUTES_BEFORE, ChronoUnit.MINUTES);
return connectTime.format(MODERATOR_DATE_TIME_FORMATTER);
}
@Override
public void exportExcel(String tenantId,
String applicationDatetimeStart,
String applicationDatetimeEnd,
HttpServletResponse response) {
try {
if (tenantId == null || tenantId.trim().isEmpty()) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST, "tenantId不能为空");
return;
}
if (applicationDatetimeStart == null || applicationDatetimeStart.trim().isEmpty()) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST, "applicationDatetimeStart不能为空");
return;
}
if (applicationDatetimeEnd == null || applicationDatetimeEnd.trim().isEmpty()) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST, "applicationDatetimeEnd不能为空");
return;
}
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
LocalDateTime start;
LocalDateTime end;
try {
start = LocalDateTime.parse(applicationDatetimeStart.trim(), formatter);
} catch (Exception e) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST, "申请开始时间格式错误,请使用 yyyy-MM-dd HH:mm:ss");
return;
}
try {
end = LocalDateTime.parse(applicationDatetimeEnd.trim(), formatter);
} catch (Exception e) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST, "申请结束时间格式错误,请使用 yyyy-MM-dd HH:mm:ss");
return;
}
if (start.isAfter(end)) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST, "申请开始时间不能晚于结束时间");
return;
}
LambdaQueryWrapper<LbAssessmentApply> queryWrapper = new LambdaQueryWrapper<>();
queryWrapper.eq(LbAssessmentApply::getTenantId, tenantId.trim())
.ge(LbAssessmentApply::getApplicationDatetime, start)
.le(LbAssessmentApply::getApplicationDatetime, end)
.orderByAsc(LbAssessmentApply::getSortedNum)
.orderByDesc(LbAssessmentApply::getApplicationDatetime);
List<LbAssessmentApply> rows = this.list(queryWrapper);
try (Workbook workbook = new XSSFWorkbook()) {
Sheet sheet = workbook.createSheet("申请评估");
CellStyle headerStyle = workbook.createCellStyle();
Font headerFont = workbook.createFont();
headerFont.setBold(true);
headerStyle.setFont(headerFont);
headerStyle.setAlignment(HorizontalAlignment.CENTER);
headerStyle.setVerticalAlignment(VerticalAlignment.CENTER);
headerStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
((XSSFCellStyle) headerStyle).setFillForegroundColor(new XSSFColor(new Color(255, 217, 102), null));
headerStyle.setBorderTop(BorderStyle.THIN);
headerStyle.setBorderBottom(BorderStyle.THIN);
headerStyle.setBorderLeft(BorderStyle.THIN);
headerStyle.setBorderRight(BorderStyle.THIN);
CellStyle dataStyle = workbook.createCellStyle();
dataStyle.setAlignment(HorizontalAlignment.CENTER);
dataStyle.setVerticalAlignment(VerticalAlignment.CENTER);
dataStyle.setBorderTop(BorderStyle.THIN);
dataStyle.setBorderBottom(BorderStyle.THIN);
dataStyle.setBorderLeft(BorderStyle.THIN);
dataStyle.setBorderRight(BorderStyle.THIN);
String[] headers = {
"序号", "申请人", "电话", "同事", "电话", "团队长", "全收益团队长",
"整理确定时间", "安排评估老师", "安排主持人", "会议号"
};
Row headerRow = sheet.createRow(0);
headerRow.setHeightInPoints(22);
for (int i = 0; i < headers.length; i++) {
createCell(headerRow, i, headers[i], headerStyle);
}
int rowIndex = 1;
for (LbAssessmentApply item : rows) {
Row row = sheet.createRow(rowIndex);
row.setHeightInPoints(20);
createCell(row, 0, formatSortedNum(item.getSortedNum(), rowIndex), dataStyle);
createCell(row, 1, nullToEmpty(item.getApplicantName()), dataStyle);
createCell(row, 2, nullToEmpty(item.getApplicantPhone()), dataStyle);
createCell(row, 3, nullToEmpty(item.getColleagueName()), dataStyle);
createCell(row, 4, nullToEmpty(item.getColleaguePhone()), dataStyle);
createCell(row, 5, nullToEmpty(item.getTeamLeaderName()), dataStyle);
createCell(row, 6, nullToEmpty(item.getTeamBigLeaderName()), dataStyle);
createCell(row, 7, formatApplicationDatetime(item.getApplicationDatetime()), dataStyle);
createCell(row, 8, nullToEmpty(item.getAssessmentTeacherName()), dataStyle);
createCell(row, 9, nullToEmpty(item.getModeratorName()), dataStyle);
createCell(row, 10, nullToEmpty(item.getMeetingNumber()), dataStyle);
rowIndex++;
}
adjustColumnWidths(sheet, headers);
String filename = "申请评估_" + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss")) + ".xlsx";
String encoded = URLEncoder.encode(filename, StandardCharsets.UTF_8).replaceAll("\\+", "%20");
response.setCharacterEncoding(StandardCharsets.UTF_8.name());
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename*=UTF-8''" + encoded);
try (ServletOutputStream os = response.getOutputStream()) {
workbook.write(os);
os.flush();
}
}
} catch (Exception e) {
log.error("申请评估导出异常", e);
try {
response.reset();
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.setCharacterEncoding(StandardCharsets.UTF_8.name());
response.setContentType("text/plain;charset=UTF-8");
response.getWriter().write("导出异常:" + e.getMessage());
} catch (Exception ignored) {
// ignore
}
}
}
private LambdaQueryWrapper<LbAssessmentApply> buildQueryWrapper(String tenantId,
String applicantName,
String applicantPhone,
String colleagueName,
String teamLeaderName,
String teamBigLeaderName,
String assessmentTeacherName,
String moderatorName,
String meetingNumber) {
LambdaQueryWrapper<LbAssessmentApply> queryWrapper = new LambdaQueryWrapper<>();
if (tenantId != null && !tenantId.trim().isEmpty()) {
queryWrapper.eq(LbAssessmentApply::getTenantId, tenantId.trim());
}
if (applicantName != null && !applicantName.trim().isEmpty()) {
queryWrapper.like(LbAssessmentApply::getApplicantName, applicantName.trim());
}
if (applicantPhone != null && !applicantPhone.trim().isEmpty()) {
queryWrapper.like(LbAssessmentApply::getApplicantPhone, applicantPhone.trim());
}
if (colleagueName != null && !colleagueName.trim().isEmpty()) {
queryWrapper.like(LbAssessmentApply::getColleagueName, colleagueName.trim());
}
if (teamLeaderName != null && !teamLeaderName.trim().isEmpty()) {
queryWrapper.like(LbAssessmentApply::getTeamLeaderName, teamLeaderName.trim());
}
if (teamBigLeaderName != null && !teamBigLeaderName.trim().isEmpty()) {
queryWrapper.like(LbAssessmentApply::getTeamBigLeaderName, teamBigLeaderName.trim());
}
if (assessmentTeacherName != null && !assessmentTeacherName.trim().isEmpty()) {
queryWrapper.like(LbAssessmentApply::getAssessmentTeacherName, assessmentTeacherName.trim());
}
if (moderatorName != null && !moderatorName.trim().isEmpty()) {
queryWrapper.like(LbAssessmentApply::getModeratorName, moderatorName.trim());
}
if (meetingNumber != null && !meetingNumber.trim().isEmpty()) {
queryWrapper.like(LbAssessmentApply::getMeetingNumber, meetingNumber.trim());
}
queryWrapper.orderByAsc(LbAssessmentApply::getSortedNum)
.orderByDesc(LbAssessmentApply::getUpdatedAt)
.orderByDesc(LbAssessmentApply::getCreatedAt);
return queryWrapper;
}
private String resolveNextSortedNum(String tenantId) {
LambdaQueryWrapper<LbAssessmentApply> queryWrapper = new LambdaQueryWrapper<>();
queryWrapper.eq(LbAssessmentApply::getTenantId, tenantId.trim())
.isNotNull(LbAssessmentApply::getSortedNum)
.ne(LbAssessmentApply::getSortedNum, "");
List<LbAssessmentApply> list = this.list(queryWrapper);
int max = 0;
for (LbAssessmentApply item : list) {
String num = item.getSortedNum();
if (num == null || num.trim().isEmpty()) {
continue;
}
try {
max = Math.max(max, Integer.parseInt(num.trim()));
} catch (NumberFormatException ignored) {
// 非数字序号不参与自增计算
}
}
return String.valueOf(max + 1);
}
private static String formatSortedNum(String sortedNum, int fallback) {
return sortedNum != null && !sortedNum.trim().isEmpty()
? sortedNum.trim()
: String.valueOf(fallback);
}
private static String nullToEmpty(String value) {
return value == null ? "" : value;
}
private static String formatApplicationDatetime(LocalDateTime datetime) {
if (datetime == null) {
return "";
}
if (datetime.getMinute() == 0 && datetime.getSecond() == 0) {
return datetime.getMonthValue() + "." + datetime.getDayOfMonth() + "" + datetime.getHour() + "";
}
return datetime.format(DateTimeFormatter.ofPattern("M月d日 H:mm"));
}
private static void createCell(Row row, int col, String text, CellStyle style) {
Cell cell = row.createCell(col);
cell.setCellValue(text);
cell.setCellStyle(style);
}
/**
* 按单元格内容计算列宽。POI 的 autoSizeColumn 对中文支持差,改为按字符宽度估算。
*/
private static void adjustColumnWidths(Sheet sheet, String[] headers) {
int columnCount = headers.length;
int[] maxWidths = new int[columnCount];
for (int i = 0; i < columnCount; i++) {
maxWidths[i] = calcDisplayWidth(headers[i]);
}
for (int r = 1; r <= sheet.getLastRowNum(); r++) {
Row row = sheet.getRow(r);
if (row == null) {
continue;
}
for (int c = 0; c < columnCount; c++) {
Cell cell = row.getCell(c);
if (cell != null && cell.getCellType() == CellType.STRING) {
maxWidths[c] = Math.max(maxWidths[c], calcDisplayWidth(cell.getStringCellValue()));
}
}
}
for (int i = 0; i < columnCount; i++) {
// 表头加粗,额外留 1 个字符边距
int width = Math.min(255 * 256, (maxWidths[i] + 3) * 256);
sheet.setColumnWidth(i, width);
}
}
private static int calcDisplayWidth(String text) {
if (text == null || text.isEmpty()) {
return 0;
}
int width = 0;
for (char ch : text.toCharArray()) {
width += ch > 127 ? 2 : 1;
}
return width;
}
}