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龙门吊bug修改

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This commit is contained in:
guo 2024-03-15 18:46:24 +08:00
parent c893df2b74
commit 256d561294
4 changed files with 208 additions and 82 deletions
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16
src/main/java/com/zhgd/xmgl/modules/ammeter/mapper/xml/AmmeterRecordDetailMapper.xml
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@ -120,7 +120,12 @@
</select> </select>
<select id="queryUseRecord" resultType="com.zhgd.xmgl.modules.ammeter.entity.AmmeterRecordDetail"> <select id="queryUseRecord" resultType="com.zhgd.xmgl.modules.ammeter.entity.AmmeterRecordDetail">
SELECT t2.degree - t1.degree as degree, DATE_FORMAT(t2.add_time, '%Y-%m-%d') as day, t1.* SELECT t.udegree as degree,t.* FROM (
SELECT
max(t1.add_time) max_time,
t2.degree - t1.degree AS udegree,
DATE_FORMAT( t2.add_time, '%Y-%m-%d' ) AS DAY,
t1.*
FROM ( FROM (
SELECT * SELECT *
FROM ammeter_record_detail FROM ammeter_record_detail
@ -131,9 +136,6 @@
<if test="ammeterNo != null and ammeterNo != ''"> <if test="ammeterNo != null and ammeterNo != ''">
and ammeter_no = #{ammeterNo} and ammeter_no = #{ammeterNo}
</if> </if>
<if test="addTime_begin != null and addTime_begin != ''">
and add_time >= #{addTime_begin}
</if>
<if test="addTime_end != null and addTime_end != ''"> <if test="addTime_end != null and addTime_end != ''">
and add_time <![CDATA[<=]]> #{addTime_end} and add_time <![CDATA[<=]]> #{addTime_end}
</if> </if>
@ -151,13 +153,10 @@
<if test="day != null and day != ''"> <if test="day != null and day != ''">
and DATE_FORMAT(add_time, '%Y-%m-%d') = #{day} and DATE_FORMAT(add_time, '%Y-%m-%d') = #{day}
</if> </if>
<if test="addTime_begin != null and addTime_begin != ''">
and add_time >= #{addTime_begin}
</if>
<if test="addTime_end != null and addTime_end != ''"> <if test="addTime_end != null and addTime_end != ''">
and add_time <![CDATA[<=]]> #{addTime_end} and add_time <![CDATA[<=]]> #{addTime_end}
</if> </if>
GROUP BY ammeter_no, DATE_FORMAT(add_time, '%Y-%m-%d'))) t2 ON datediff(t1.add_time, t2.add_time) = - 1 GROUP BY ammeter_no, DATE_FORMAT(add_time, '%Y-%m-%d'))) t2 ON t1.add_time <![CDATA[<=]]> t2.add_time
AND t1.ammeter_no = t2.ammeter_no AND t1.ammeter_no = t2.ammeter_no
AND t1.project_sn = t2.project_sn AND t1.project_sn = t2.project_sn
where 1 = 1 where 1 = 1
@ -176,5 +175,6 @@
<if test="addTime_end != null and addTime_end != ''"> <if test="addTime_end != null and addTime_end != ''">
and t2.add_time <![CDATA[<=]]> #{addTime_end} and t2.add_time <![CDATA[<=]]> #{addTime_end}
</if> </if>
GROUP BY day) t;
</select> </select>
</mapper> </mapper>

32
src/main/java/com/zhgd/xmgl/modules/bigdevice/entity/GantryCraneCurrentData.java
View File

@ -88,18 +88,24 @@ public class GantryCraneCurrentData implements Serializable {
@Excel(name = "小车2速度（m/s）", width = 15) @Excel(name = "小车2速度（m/s）", width = 15)
@ApiModelProperty(value="小车2速度（m/s）") @ApiModelProperty(value="小车2速度（m/s）")
private java.lang.String secondSmallCraneSpeed ; private java.lang.String secondSmallCraneSpeed ;
/**小车1主钩吊重（t）*/ /**
* 小车1主钩吊重（t）
*/
@Excel(name = "小车1主钩吊重（t）", width = 15) @Excel(name = "小车1主钩吊重（t）", width = 15)
@ApiModelProperty(value="小车1主钩吊重（t）") @ApiModelProperty(value = "小车1主钩吊重（t）")
private java.lang.String smallCraneMainHookLoad ; private java.lang.String smallCraneMainHookLoad;
/**小车1主钩高度（m）*/ /**
* 小车1主钩高度（m）
*/
@Excel(name = "小车1主钩高度（m）", width = 15) @Excel(name = "小车1主钩高度（m）", width = 15)
@ApiModelProperty(value="小车1主钩高度（m）") @ApiModelProperty(value = "小车1主钩高度（m）")
private java.lang.String smallCraneMainHookHeight ; private java.lang.Double smallCraneMainHookHeight;
/**小车1副钩吊重（t）*/ /**
* 小车1副钩吊重（t）
*/
@Excel(name = "小车1副钩吊重（t）", width = 15) @Excel(name = "小车1副钩吊重（t）", width = 15)
@ApiModelProperty(value="小车1副钩吊重（t）") @ApiModelProperty(value = "小车1副钩吊重（t）")
private java.lang.String smallCraneAuxiliaryHookLoad ; private java.lang.String smallCraneAuxiliaryHookLoad;
/**小车1副钩高度（m）*/ /**小车1副钩高度（m）*/
@Excel(name = "小车1副钩高度（m）", width = 15) @Excel(name = "小车1副钩高度（m）", width = 15)
@ApiModelProperty(value="小车1副钩高度（m）") @ApiModelProperty(value="小车1副钩高度（m）")
@ -259,9 +265,11 @@ public class GantryCraneCurrentData implements Serializable {
* 当前工作天数 天 * 当前工作天数 天
*/ */
@Excel(name = "当前工作天数 天", width = 15) @Excel(name = "当前工作天数 天", width = 15)
@ApiModelProperty(value = "当前工作天数 天") @ApiModelProperty(value = "当前工作天数 天")
private java.lang.String powerOnDay; private java.lang.String powerOnDay;
/** @ApiModelProperty(value = "工作循环次数")
private java.lang.Integer operatingCycleNumber;
/**
* 当前工作时分秒 HH:MM:SS * 当前工作时分秒 HH:MM:SS
*/ */
@Excel(name = "当前工作时分秒 HH:MM:SS", width = 15) @Excel(name = "当前工作时分秒 HH:MM:SS", width = 15)

200
src/main/java/com/zhgd/xmgl/task/GantryCraneTask.java
View File

@ -1,5 +1,8 @@
package com.zhgd.xmgl.task; package com.zhgd.xmgl.task;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.date.DateUnit;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.NumberUtil; import cn.hutool.core.util.NumberUtil;
import cn.hutool.core.util.StrUtil; import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HttpRequest; import cn.hutool.http.HttpRequest;
@ -9,8 +12,10 @@ import com.gexin.fastjson.JSONArray;
import com.gexin.fastjson.JSONObject; import com.gexin.fastjson.JSONObject;
import com.zhgd.xmgl.modules.bigdevice.entity.GantryCrane; import com.zhgd.xmgl.modules.bigdevice.entity.GantryCrane;
import com.zhgd.xmgl.modules.bigdevice.entity.GantryCraneCurrentData; import com.zhgd.xmgl.modules.bigdevice.entity.GantryCraneCurrentData;
import com.zhgd.xmgl.modules.bigdevice.entity.GantryCraneWorkCycle;
import com.zhgd.xmgl.modules.bigdevice.mapper.GantryCraneCurrentDataMapper; import com.zhgd.xmgl.modules.bigdevice.mapper.GantryCraneCurrentDataMapper;
import com.zhgd.xmgl.modules.bigdevice.mapper.GantryCraneMapper; import com.zhgd.xmgl.modules.bigdevice.mapper.GantryCraneMapper;
import com.zhgd.xmgl.modules.bigdevice.mapper.GantryCraneWorkCycleMapper;
import com.zhgd.xmgl.task.dto.GantryCraneCurrentDataDto; import com.zhgd.xmgl.task.dto.GantryCraneCurrentDataDto;
import com.zhgd.xmgl.util.NumberUtils; import com.zhgd.xmgl.util.NumberUtils;
import io.swagger.annotations.Api; import io.swagger.annotations.Api;
@ -19,11 +24,10 @@ import net.javacrumbs.shedlock.core.SchedulerLock;
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled; import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component; import org.springframework.stereotype.Component;
import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController; import org.springframework.web.bind.annotation.RestController;
import java.util.Date; import java.util.Date;
import java.util.HashMap;
import java.util.List; import java.util.List;
import java.util.Objects; import java.util.Objects;
@ -34,10 +38,13 @@ import java.util.Objects;
@Component @Component
@RestController @RestController
@Api(tags = "定时任务") @Api(tags = "定时任务")
@RequestMapping("/xmgl/task")
public class GantryCraneTask { public class GantryCraneTask {
@Autowired @Autowired
GantryCraneCurrentDataMapper gantryCraneCurrentDataMapper; GantryCraneCurrentDataMapper gantryCraneCurrentDataMapper;
@Autowired @Autowired
GantryCraneWorkCycleMapper gantryCraneWorkCycleMapper;
@Autowired
GantryCraneMapper gantryCraneMapper; GantryCraneMapper gantryCraneMapper;
/** /**
@ -45,7 +52,7 @@ public class GantryCraneTask {
*/ */
@SchedulerLock(name = "getGantryCraneTaskData", lockAtMostFor = 1000 * 60 * 60, lockAtLeastFor = 1000 * 60 * 5) @SchedulerLock(name = "getGantryCraneTaskData", lockAtMostFor = 1000 * 60 * 60, lockAtLeastFor = 1000 * 60 * 5)
@Scheduled(cron = "0 0/5 * * * ?") @Scheduled(cron = "0 0/5 * * * ?")
@GetMapping("/xmgl/task/getGantryCraneTaskData") @RequestMapping("/getGantryCraneTaskData")
public void getGantryCraneTaskData() { public void getGantryCraneTaskData() {
log.info("getGantryCraneTaskData任务执行"); log.info("getGantryCraneTaskData任务执行");
List<GantryCrane> gantryCranes = gantryCraneMapper.selectList(new LambdaQueryWrapper<GantryCrane>() List<GantryCrane> gantryCranes = gantryCraneMapper.selectList(new LambdaQueryWrapper<GantryCrane>()
@ -88,66 +95,135 @@ public class GantryCraneTask {
* @param gantryCrane * @param gantryCrane
*/ */
private void insert(GantryCraneCurrentDataDto dto, GantryCrane gantryCrane) { private void insert(GantryCraneCurrentDataDto dto, GantryCrane gantryCrane) {
GantryCraneCurrentData entity = new GantryCraneCurrentData(); GantryCraneCurrentData data = new GantryCraneCurrentData();
entity.setDevSn(gantryCrane.getDevSn()); Date now = new Date();
entity.setProjectSn(gantryCrane.getProjectSn()); String devSn = gantryCrane.getDevSn();
entity.setReciveTime(new Date()); data.setDevSn(devSn);
entity.setRunTime(null); data.setProjectSn(gantryCrane.getProjectSn());
entity.setWindSpeed(String.valueOf(dto.getWind1())); data.setReciveTime(now);
entity.setWindSpeedState(getWindSpeedState(dto.getAL1bit5())); data.setRunTime(null);
entity.setAngleXAxis(null); data.setWindSpeed(Convert.toStr(dto.getWind1()));
entity.setAngleYAxis(null); data.setWindSpeedState(getWindSpeedState(dto.getAL1bit5()));
entity.setLargeCraneRange(String.valueOf(dto.getDistance7() * 0.01)); //data.setAngleXAxis(null);
entity.setLargeCraneSpeed(String.valueOf(dto.getSpeed1() * 0.01)); //data.setAngleYAxis(null);
entity.setSmallCraneRange(null); data.setLargeCraneRange(Convert.toStr(dto.getDistance7()));
entity.setSmallCraneSpeed(String.valueOf(dto.getSpeed1() * 0.01)); data.setLargeCraneSpeed(Convert.toStr(dto.getSpeed1()));
entity.setSecondSmallCraneRange(null); //data.setSmallCraneRange(null);
entity.setSecondSmallCraneSpeed(String.valueOf(dto.getSpeed2() * 0.01)); data.setSmallCraneSpeed(Convert.toStr(dto.getSpeed1()));
entity.setSmallCraneMainHookLoad(String.valueOf(dto.getNeiweight1() * 0.01)); //data.setSecondSmallCraneRange(null);
entity.setSmallCraneMainHookHeight(String.valueOf(dto.getDistance5() * 0.01)); data.setSecondSmallCraneSpeed(Convert.toStr(dto.getSpeed2()));
entity.setSmallCraneAuxiliaryHookLoad(String.valueOf(dto.getDistance6() * 0.01)); data.setSmallCraneMainHookLoad(Convert.toStr(dto.getNeiweight1()));
entity.setSmallCraneAuxiliaryHookHeight(null); data.setSmallCraneMainHookHeight(dto.getDistance5());
entity.setSecondSmallCraneMainHookLoad(String.valueOf(dto.getNeiweight2() * 0.01)); //data.setSmallCraneAuxiliaryHookLoad(Convert.toStr(dto.getDistance6()));
entity.setSecondSmallCraneMainHookHeight(String.valueOf(dto.getDistance6() * 0.01)); //data.setSmallCraneAuxiliaryHookHeight(null);
entity.setSecondSmallCraneAuxiliaryHookLoad(null); data.setSecondSmallCraneMainHookLoad(Convert.toStr(dto.getNeiweight2()));
entity.setSecondSmallCraneAuxiliaryHookHeight(null); data.setSecondSmallCraneMainHookHeight(Convert.toStr(dto.getDistance6()));
entity.setMainHookCurrent(null); //data.setSecondSmallCraneAuxiliaryHookLoad(null);
entity.setMainHookVoltage(null); //data.setSecondSmallCraneAuxiliaryHookHeight(null);
entity.setSecondMainHookCurrent(null); //data.setMainHookCurrent(null);
entity.setSecondMainHookVoltage(null); //data.setMainHookVoltage(null);
entity.setSmallCraneRangeState(null); //data.setSecondMainHookCurrent(null);
entity.setSecondSmallCraneRangeState(null); //data.setSecondMainHookVoltage(null);
entity.setLargeCraneDistanceState(null); //data.setSmallCraneRangeState(null);
entity.setMainHookWeightState(null); //data.setSecondSmallCraneRangeState(null);
entity.setSecondMainHookWeightState(null); //data.setLargeCraneDistanceState(null);
entity.setAuxiliaryHookWeightState(null); //data.setMainHookWeightState(null);
entity.setSecondAuxiliaryHookWeightState(null); //data.setSecondMainHookWeightState(null);
entity.setMainHookHeightState(null); //data.setAuxiliaryHookWeightState(null);
entity.setSecondMainHookHeightState(null); //data.setSecondAuxiliaryHookWeightState(null);
entity.setAuxiliaryHookHeightState(null); //data.setMainHookHeightState(null);
entity.setSecondAuxiliaryHookHeightState(null); //data.setSecondMainHookHeightState(null);
entity.setAngleXState(null); //data.setAuxiliaryHookHeightState(null);
entity.setAngleYState(null); //data.setSecondAuxiliaryHookHeightState(null);
entity.setGatedState(null); //data.setAngleXState(null);
entity.setAntiWindAndNonslipState(null); //data.setAngleYState(null);
entity.setCableReelStatus(null); //data.setGatedState(null);
entity.setLargeCarSafeStatus(null); //data.setAntiWindAndNonslipState(null);
entity.setLargeCarRunStatus(null); //data.setCableReelStatus(null);
entity.setSmallCarRunStatus(null); //data.setLargeCarSafeStatus(null);
entity.setSecondSmallCarRunStatus(null); //data.setLargeCarRunStatus(null);
entity.setMasterHookRunStatus(getMasterHookRunStatus(dto)); //data.setSmallCarRunStatus(null);
entity.setSecondMasterHookRunStatus(getSecondMasterHookRunStatus(dto)); //data.setSecondSmallCarRunStatus(null);
entity.setSubHookRunStatus(null); data.setMasterHookRunStatus(getMasterHookRunStatus(dto));
entity.setSecondSubHookRunStatus(null); data.setSecondMasterHookRunStatus(getSecondMasterHookRunStatus(dto));
entity.setDriverName(null); //data.setSubHookRunStatus(null);
entity.setDriverIdCard(null); //data.setSecondSubHookRunStatus(null);
entity.setTotalDay(getTotalDay(dto.getCumulativeWorkingTime())); //data.setDriverName(null);
entity.setTotalTimes(getTotalTimes(dto.getCumulativeWorkingTime())); //data.setDriverIdCard(null);
entity.setPowerOnDay(String.valueOf(dto.getWorkTime())); data.setTotalDay(getTotalDay(dto.getCumulativeWorkingTime()));
entity.setPowerOnTimes(String.valueOf(dto.getWorkTime())); data.setTotalTimes(getTotalTimes(dto.getCumulativeWorkingTime()));
gantryCraneCurrentDataMapper.insert(entity); data.setPowerOnDay(Convert.toStr(dto.getWorkTime()));
data.setPowerOnTimes(Convert.toStr(dto.getWorkTime()));
data.setOperatingCycleNumber(Convert.toInt(dto.getOperatingCycleNumber()));
gantryCraneCurrentDataMapper.insert(data);
//插入循环数据，我们需要获取每次的工作循环的开始和结束时间和吊重，通过“工作循环次数”是否增加，判断是否进行一次循环，然后取这次的实时的数据的工作时间减去上次（“工作循环次数”-1）的工作时间时间，得到每次的工作循环的开始和结束时间，吊重就取这段时间内最大的吊重，可以这样
GantryCraneCurrentData lastNewData = gantryCraneCurrentDataMapper.selectOne(new LambdaQueryWrapper<GantryCraneCurrentData>()
.eq(GantryCraneCurrentData::getDevSn, devSn)
.orderByDesc(GantryCraneCurrentData::getReciveTime)
.last("limit 1"));
if (lastNewData != null) {
if (NumberUtils.gt(data.getOperatingCycleNumber() + "", lastNewData.getOperatingCycleNumber() + "")) {
log.info("插入龙门吊的工作循环数据>>>");
GantryCraneWorkCycle cycle = new GantryCraneWorkCycle();
cycle.setDevSn(devSn);
cycle.setProjectSn(gantryCrane.getProjectSn());
cycle.setStartTime(DateUtil.formatDateTime(lastNewData.getReciveTime()));
cycle.setEndTime(DateUtil.formatDateTime(now));
cycle.setWorkTime(Convert.toStr(DateUtil.between(lastNewData.getReciveTime(), now, DateUnit.SECOND)));
cycle.setAddTime(now);
//cycle.setDriverName();
//cycle.setDriverIdCard();
cycle.setMasterHookWorkStartHeight(Convert.toStr(lastNewData.getSmallCraneMainHookHeight()));
cycle.setMasterHookWorkEndHeight(Convert.toStr(data.getSmallCraneMainHookHeight()));
cycle.setMasterHookWorkMaxWeight(NumberUtils.getMaxStr(data.getSmallCraneMainHookLoad(), lastNewData.getSmallCraneMainHookLoad()));
cycle.setMasterHookWorkOperation(getMasterHookRunStatus(dto));
//cycle.setSubHookWorkStartHeight(Convert.toStr(lastNewData.getSmallCraneAuxiliaryHookLoad()));
//cycle.setSubHookWorkEndHeight(Convert.toStr(dto.getDistance6()));
cycle.setSubHookWorkMaxWeight(NumberUtils.getMaxStr(data.getSmallCraneMainHookLoad(), lastNewData.getSmallCraneMainHookLoad()));
//cycle.setSubHookWorkOperation(getSecondMasterHookRunStatus(dto));
cycle.setSecondMasterHookWorkStartHeight(lastNewData.getSecondSmallCraneMainHookHeight());
//cycle.setSecondMasterHookWorkEndHeight();
cycle.setSecondMasterHookWorkMaxWeight(NumberUtils.getMaxStr(data.getSecondSmallCraneMainHookLoad(), lastNewData.getSecondSmallCraneMainHookLoad()));
cycle.setSecondMasterHookWorkOperation(getMasterHookRunStatus(dto));
//cycle.setSecondSubHookWorkStartHeight();
//cycle.setSecondSubHookWorkEndHeight();
//cycle.setSecondSubHookWorkMaxWeight();
//cycle.setSecondSubHookWorkOperation(getSecondMasterHookRunStatus(dto));
//cycle.setLargeCarWorkStartRange();
//cycle.setLargeCarWorkEndRange();
cycle.setLargeCarWorkMaxSpeed(NumberUtils.getMaxStr(data.getLargeCraneSpeed(), lastNewData.getLargeCraneSpeed()));
//cycle.setLargeCarWorkOperation();
//cycle.setSmallCarWorkStartRange();
//cycle.setSmallCarWorkEndRange();
//cycle.setSmallCarWorkMaxSpeed();
//cycle.setSmallCarWorkOperation();
//cycle.setSecondSmallCarWorkStartRange();
//cycle.setSecondSmallCarWorkEndRange();
cycle.setSecondSmallCarWorkMaxSpeed(NumberUtils.getMaxStr(data.getSecondSmallCraneSpeed(), lastNewData.getSecondSmallCraneSpeed()));
//cycle.setSecondSmallCarWorkOperation();
cycle.setWorkType(0);
//cycle.setMaxDipX();
//cycle.setMaxDipY();
cycle.setMaxWindSpeed(NumberUtils.getMaxStr(lastNewData.getWindSpeed(), data.getWindSpeed()));
//cycle.setMasterHookWorkAlarm();
//cycle.setSubHookWorkAlarm();
//cycle.setSecondMasterHookWorkAlarm();
//cycle.setSecondSubHookWorkAlarm();
//cycle.setLargeCarSpeedWorkAlarm();
//cycle.setSmallCarSpeedWorkAlarm();
//cycle.setSecondSmallCarSpeedWorkAlarm();
//cycle.setDipXWorkAlarm();
//cycle.setDipYWorkAlarm();
//cycle.setWindSpeedWorkAlarm();
//cycle.setWorkSafeStatus();
gantryCraneWorkCycleMapper.insert(cycle);
}
}
} }
private String getTotalTimes(Double d) { private String getTotalTimes(Double d) {
if (d == null) { if (d == null) {
return null; return null;
@ -164,7 +240,7 @@ public class GantryCraneTask {
if (d == null) { if (d == null) {
return null; return null;
} }
return String.valueOf(NumberUtil.round(d * 0.1 / 24, 2)); return Convert.toStr(NumberUtil.round(d * 0.1 / 24, 2));
} }
private Integer getSecondMasterHookRunStatus(GantryCraneCurrentDataDto dto) { private Integer getSecondMasterHookRunStatus(GantryCraneCurrentDataDto dto) {

42
src/main/java/com/zhgd/xmgl/util/NumberUtils.java
View File

@ -1,6 +1,8 @@
package com.zhgd.xmgl.util; package com.zhgd.xmgl.util;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.util.NumberUtil; import cn.hutool.core.util.NumberUtil;
import cn.hutool.core.util.StrUtil;
public class NumberUtils { public class NumberUtils {
/** /**
@ -42,6 +44,23 @@ public class NumberUtils {
return b1 != null && b2 != null && b1 >= b2; return b1 != null && b2 != null && b1 >= b2;
} }
/**
* 大于
*
* @return
*/
public static boolean gt(String s1, String s2) {
try {
if (!NumberUtil.isNumber(s1) || !NumberUtil.isNumber(s2)) {
return false;
}
return Convert.toDouble(s1) >= Convert.toDouble(s2);
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
/** /**
* 小于等于 * 小于等于
* *
@ -82,4 +101,27 @@ public class NumberUtils {
return null; return null;
} }
/**
* 获取两个字符串最大的
*
* @param d1
* @param d2
* @return
*/
public static String getMaxStr(String d1, String d2) {
try {
if (StrUtil.isBlank(d1) && StrUtil.isBlank(d2)) {
return null;
}
if (StrUtil.isBlank(d1)) {
return d2;
} else if (StrUtil.isBlank(d2)) {
return d1;
}
return Convert.toStr(Math.max(Double.parseDouble(d1), Double.parseDouble(d2)));
} catch (NumberFormatException e) {
e.printStackTrace();
}
return null;
}
} }