优化

src/main/java/com/jingcheng/cms/controller/EmployeeController.java

@@ -120,6 +120,12 @@ public class EmployeeController {
         return ajaxResult;
     }
 
+    @PostMapping("/syncAge")
+    @ApiOperation(value = "更新年龄", notes = "更新年龄")
+    public void syncAge() {
+        employeeService.syncAge();
+    }
+
     /**
      * 文件保存本地
      * @param file

src/main/java/com/jingcheng/cms/handler/EmployeeJobHandler.java

@@ -0,0 +1,23 @@
+package com.jingcheng.cms.handler;
+
+import com.jingcheng.cms.service.EmployeeService;
+import lombok.AllArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+
+@Slf4j
+@Component
+@AllArgsConstructor
+public class EmployeeJobHandler {
+
+    private final EmployeeService employeeService;
+
+
+    @Scheduled(cron = "0 0 1 * * ?")
+    public void syncAge() {
+
+        employeeService.syncAge();
+    }
+}

src/main/java/com/jingcheng/cms/listener/StartListener.java

@@ -0,0 +1,20 @@
+package com.jingcheng.cms.listener;
+
+import com.jingcheng.cms.service.EmployeeService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.stereotype.Component;
+
+@Component
+public class StartListener implements ApplicationRunner {
+
+    @Autowired
+    private EmployeeService employeeService;
+
+    @Override
+    public void run(ApplicationArguments args) throws Exception {
+        //todo 执行一次
+        employeeService.syncAge();
+    }
+}

src/main/java/com/jingcheng/cms/service/EmployeeService.java

@@ -34,4 +34,6 @@ public interface EmployeeService {
     AjaxResult dataStatistics(JSONObject jsonObject);
 
     AjaxResult getPostListByDept(JSONObject jsonObject);
+
+    void syncAge();
 }

src/main/java/com/jingcheng/cms/service/impl/EmployeeServiceImpl.java

@@ -15,6 +15,7 @@ import com.jingcheng.cms.model.*;
 import com.jingcheng.cms.service.EmployeeService;
 import com.jingcheng.cms.service.InfoSettingValueService;
 import com.jingcheng.cms.beans.AjaxResult;
+import com.jingcheng.cms.util.DateUtils;
 import com.jingcheng.cms.util.ExcelUtils;
 import com.jingcheng.cms.util.PageUtils;
 import com.jingcheng.cms.vo.DataAnalysisVO;
@@ -30,10 +31,8 @@ import tk.mybatis.mapper.entity.Example;
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletResponse;
 import java.io.File;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
+import java.text.ParseException;
+import java.util.*;
 import java.util.stream.Collectors;
 
 @Service
@@ -463,4 +462,22 @@ public class EmployeeServiceImpl implements EmployeeService {
         return ajaxResult;
     }
 
+    @Override
+    public void syncAge() {
+        List<Employee> employeeList = employeeMapper.selectAll();
+        for (Employee employee : employeeList) {
+            String birthday = employee.getBirthday();
+            if (StringUtils.isEmpty(birthday)) continue;
+            Date birth = null;
+            try {
+                birth = DateUtils.parse(birthday);
+            } catch (ParseException e) {
+                e.printStackTrace();
+            }
+            Integer age = DateUtils.getAge(birth);
+            employee.setAge(age);
+            employeeMapper.updateByPrimaryKey(employee);
+        }
+    }
+
 }

src/main/java/com/jingcheng/cms/util/DateUtils.java

@@ -1,6 +1,7 @@
 package com.jingcheng.cms.util;
 
 import java.text.DateFormat;
+import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Calendar;
 import java.util.Date;
@@ -100,13 +101,37 @@ public class DateUtils {
         return Calendar.getInstance().getTime();
     }
 
-    public static void main(String[] args) {
+    public static  Date parse(String strDate) throws ParseException {
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
+        return sdf.parse(strDate);
+    }
+
+    public static  int getAge(Date birthDay) {
+        Calendar cal = Calendar.getInstance();
+        if (birthDay == null || cal.before(birthDay)) { //出生日期晚于当前时间，无法计算
+            return 0;
+        }
+        int yearNow = cal.get(Calendar.YEAR);  //当前年份
+        int monthNow = cal.get(Calendar.MONTH);  //当前月份
+        int dayOfMonthNow = cal.get(Calendar.DAY_OF_MONTH); //当前日期
+        cal.setTime(birthDay);
+        int yearBirth = cal.get(Calendar.YEAR);
+        int monthBirth = cal.get(Calendar.MONTH);
+        int dayOfMonthBirth = cal.get(Calendar.DAY_OF_MONTH);
+        int age = yearNow - yearBirth;   //计算整岁数
+        if (monthNow <= monthBirth) {
+            if (monthNow == monthBirth) {
+                if (dayOfMonthNow < dayOfMonthBirth) age--;//当前日期在生日之前，年龄减一
+            }else{
+                age--;//当前月份在生日之前，年龄减一
+            }
+        }
+        return age;
+    }
 
+    public static void main(String[] args) throws ParseException {
 
-        System.out.println(DateUtils.startTime());
-        System.out.println(DateUtils.startTimeStamp());
-        System.out.println(DateUtils.endTimeStamp());
-        System.out.println(DateUtils.endTime());
+        System.out.println(DateUtils.getAge(DateUtils.parse("1996-08-28")));
     }
 
 }