opt:大屏打印功能-新增打印机管理页面支持多打印机

2026-05-09 14:22:25 +08:00
parent 5427d7c414
commit c3b58b1d0d
15 changed files with 559 additions and 8 deletions
--- a/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/controller/printer/SysPrinterController.java
+++ b/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/controller/printer/SysPrinterController.java
@@ -0,0 +1,71 @@
+package org.nl.system.controller.printer;
+
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.extern.slf4j.Slf4j;
+import org.nl.common.base.TableDataInfo;
+import org.nl.common.domain.query.PageQuery;
+import org.nl.common.logging.annotation.Log;
+import org.nl.system.service.param.dao.Param;
+import org.nl.system.service.printer.ISysPrinterService;
+import org.nl.system.service.printer.dao.SysPrinter;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+
+/**
+* @author zhaoyf
+* @date 2026-05-07
+**/
+@Slf4j
+@RestController
+@RequestMapping("/api/printer")
+@Api("打印机管理")
+public class SysPrinterController {
+
+    @Autowired
+    private ISysPrinterService iSysPrinterService;
+
+    @GetMapping
+    @Log("查询所有打印机")
+    @ApiOperation("查询打印机")
+    public ResponseEntity<Object> query(@RequestParam Map whereJson, PageQuery page){
+        return new ResponseEntity<>(TableDataInfo.build(iSysPrinterService.queryAll(whereJson, page)), HttpStatus.OK);
+    }
+
+    @GetMapping("/all")
+    public ResponseEntity<Object> all(){
+        return new ResponseEntity<>(iSysPrinterService.list(),HttpStatus.OK);
+    }
+
+    @PostMapping
+    @Log("新增打印机")
+    @ApiOperation("新增")
+    public ResponseEntity<Object> create(@Validated @RequestBody SysPrinter param){
+        iSysPrinterService.create(param);
+        return new ResponseEntity<>(HttpStatus.CREATED);
+    }
+
+    @PutMapping
+    @Log("修改打印机参数")
+    @ApiOperation("修改打印机参数")
+    public ResponseEntity<Object> update(@Validated @RequestBody SysPrinter param){
+        iSysPrinterService.update(param);
+        return new ResponseEntity<>(HttpStatus.NO_CONTENT);
+    }
+
+    @Log("删除打印机")
+    @ApiOperation("删除打印机")
+    @DeleteMapping
+    public ResponseEntity<Object> delete(@RequestBody String[] ids) {
+        List<String> Ids = Arrays.asList(ids);
+        iSysPrinterService.deleteAll(Ids);
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+}
--- a/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/ISysPrinterService.java
+++ b/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/ISysPrinterService.java
@@ -0,0 +1,44 @@
+package org.nl.system.service.printer;
+
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import org.nl.common.domain.query.PageQuery;
+import com.baomidou.mybatisplus.extension.service.IService;
+import org.nl.system.service.printer.dao.SysPrinter;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+* @description 服务接口
+* @author zhaoyf
+* @date 2026-05-07
+**/
+public interface ISysPrinterService extends IService<SysPrinter> {
+
+    /**
+    * 查询数据分页
+    * @param whereJson 条件
+    * @param pageable 分页参数
+    * @return IPage<SysPrinter>
+    */
+    IPage<SysPrinter> queryAll(Map whereJson, PageQuery pageable);
+
+    /**
+    * 创建
+    * @param entity /
+    */
+    void create(SysPrinter entity);
+
+    /**
+    * 编辑
+    * @param entity /
+    */
+    void update(SysPrinter entity);
+
+    /**
+    * 多选删除
+    * @param ids /
+    */
+    void deleteAll(List<String> ids);
+}
--- a/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/dao/SysPrinter.java
+++ b/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/dao/SysPrinter.java
@@ -0,0 +1,77 @@
+package org.nl.system.service.printer.dao;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+import java.io.Serializable;
+
+/**
+* @description /
+* @author zhaoyf
+* @date 2026-05-07
+**/
+@Data
+@EqualsAndHashCode(callSuper = false)
+@TableName("sys_printer")
+public class SysPrinter implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	@TableId(value = "id", type = IdType.AUTO)
+	private Integer id;
+
+	private String name;
+
+	private String ip;
+
+	private Integer port;
+
+	/**
+	 * 备注
+	 */
+	private String remark;
+
+	/**
+	 * 是否启用
+	 */
+	private Boolean is_active;
+
+	/**
+	 * 是否删除
+	 */
+	private Boolean is_delete;
+
+	/**
+	 * 创建者ID
+	 */
+	private String create_id;
+
+	/**
+	 * 创建者
+	 */
+	private String create_name;
+
+	/**
+	 * 创建时间
+	 */
+	private String create_time;
+
+	/**
+	 * 修改者ID
+	 */
+	private String update_id;
+
+	/**
+	 * 修改者
+	 */
+	private String update_name;
+
+	/**
+	 * 修改时间
+	 */
+	private String update_time;
+}
--- a/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/dao/mapper/SysPrinterMapper.java
+++ b/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/dao/mapper/SysPrinterMapper.java
@@ -0,0 +1,12 @@
+package org.nl.system.service.printer.dao.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.nl.system.service.printer.dao.SysPrinter;
+
+/**
+* @author zhaoyf
+* @date 2026-05-07
+**/
+public interface SysPrinterMapper extends BaseMapper<SysPrinter> {
+
+}
--- a/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/dao/mapper/SysPrinterMapper.xml
+++ b/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/dao/mapper/SysPrinterMapper.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="org.nl.system.service.printer.dao.mapper.SysPrinterMapper">
+
+</mapper>
--- a/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/dto/SysPrinterDto.java
+++ b/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/dto/SysPrinterDto.java
@@ -0,0 +1,14 @@
+package org.nl.system.service.printer.dto;
+
+import lombok.Data;
+import java.io.Serializable;
+
+/**
+* @description /
+* @author zhaoyf
+* @date 2026-05-07
+**/
+@Data
+public class SysPrinterDto implements Serializable {
+
+}
--- a/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/dto/SysPrinterQuery.java
+++ b/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/dto/SysPrinterQuery.java
@@ -0,0 +1,12 @@
+package org.nl.system.service.printer.dto;
+
+import org.nl.common.domain.query.BaseQuery;
+import org.nl.system.service.printer.dao.SysPrinter;
+
+/**
+* @author zhaoyf
+* @date 2026-05-07
+**/
+public class SysPrinterQuery extends BaseQuery<SysPrinter> {
+
+}
--- a/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/impl/SysPrinterServiceImpl.java
+++ b/lms/nladmin-system/nlsso-server/src/main/java/org/nl/system/service/printer/impl/SysPrinterServiceImpl.java
@@ -0,0 +1,80 @@
+package org.nl.system.service.printer.impl;
+
+import cn.hutool.core.date.DateUtil;
+import cn.hutool.core.util.IdUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.nl.common.domain.query.PageQuery;
+import org.nl.common.exception.BadRequestException;
+import org.nl.common.utils.SecurityUtils;
+import org.nl.system.service.printer.ISysPrinterService;
+import org.nl.system.service.printer.dao.SysPrinter;
+import org.nl.system.service.printer.dao.mapper.SysPrinterMapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+* @description 服务实现
+* @author zhaoyf
+* @date 2026-05-07
+**/
+@Slf4j
+@Service
+public class SysPrinterServiceImpl extends ServiceImpl<SysPrinterMapper, SysPrinter> implements ISysPrinterService {
+
+    @Autowired
+    private SysPrinterMapper sysPrinterMapper;
+
+    @Override
+    public IPage<SysPrinter> queryAll(Map whereJson, PageQuery page){
+        LambdaQueryWrapper<SysPrinter> lam = new LambdaQueryWrapper<>();
+        IPage<SysPrinter> pages = new Page<>(page.getPage() + 1, page.getSize());
+        sysPrinterMapper.selectPage(pages, lam);
+        return pages;
+    }
+
+    @Override
+    public void create(SysPrinter entity) {
+        String currentUserId = SecurityUtils.getCurrentUserId();
+        String nickName = SecurityUtils.getCurrentNickName();
+        String now = DateUtil.now();
+
+        entity.setCreate_id(currentUserId);
+        entity.setCreate_name(nickName);
+        entity.setCreate_time(now);
+        entity.setUpdate_id(currentUserId);
+        entity.setUpdate_name(nickName);
+        entity.setUpdate_time(now);
+        sysPrinterMapper.insert(entity);
+    }
+
+    @Override
+    public void update(SysPrinter entity) {
+        SysPrinter dto = sysPrinterMapper.selectById(entity.getId());
+        if (dto == null) throw new BadRequestException("被删除或无权限，操作失败!");
+
+        String currentUserId = SecurityUtils.getCurrentUserId();
+        String nickName = SecurityUtils.getCurrentNickName();
+        String now = DateUtil.now();
+        entity.setUpdate_id(currentUserId);
+        entity.setUpdate_name(nickName);
+        entity.setUpdate_time(now);
+
+        sysPrinterMapper.updateById(entity);
+    }
+
+    @Override
+    public void deleteAll(List<String> ids) {
+        // 真删除
+        sysPrinterMapper.deleteBatchIds(ids);
+    }
+
+}
--- a/lms/nladmin-system/nlsso-server/src/main/java/org/nl/wms/ext/handheld/dto/PrintEntityDto.java
+++ b/lms/nladmin-system/nlsso-server/src/main/java/org/nl/wms/ext/handheld/dto/PrintEntityDto.java
@@ -17,4 +17,6 @@ public class PrintEntityDto {
    private String MaterialCode;
    @JsonProperty("username")
    private String username;
+    private String ip;
+    private Integer port;
 }
--- a/lms/nladmin-system/nlsso-server/src/main/java/org/nl/wms/ext/handheld/service/impl/HandheldServiceImpl.java
+++ b/lms/nladmin-system/nlsso-server/src/main/java/org/nl/wms/ext/handheld/service/impl/HandheldServiceImpl.java
@@ -1724,17 +1724,15 @@ public class HandheldServiceImpl implements HandheldService {

    @Override
    public void print(PrintEntityDto printEntityDto) {
-        String ip = sysParamServiceImpl.findByCode("printerIP").getValue();
-        String port = sysParamServiceImpl.findByCode("printerPort").getValue();
-        if (ip == null || StringUtils.isBlank(ip)) {
+        if (printEntityDto.getIp() == null || StringUtils.isBlank(printEntityDto.getIp())) {
            throw new BadRequestException("打印出错：未配置打印机IP(printerIP)");
        }
-        if (port == null || StringUtils.isBlank(port)) {
+        if (printEntityDto.getPort() == null) {
            throw new BadRequestException("打印出错：未配置打印机端口(printerPort)");
        }
        try (Socket client = new Socket()) {
            // 3. 设置超时时间，防止网络不通时线程卡死 (单位：毫秒)
-            client.connect(new InetSocketAddress(ip, Integer.parseInt(port)), 3000); // 连接超时 3秒
+            client.connect(new InetSocketAddress(printEntityDto.getIp(), printEntityDto.getPort()), 3000); // 连接超时 3秒
            client.setSoTimeout(10000); // 读取超时 10秒

            try (OutputStream outputStream = client.getOutputStream()) {
--- a/lms/nladmin-ui/public/index.html
+++ b/lms/nladmin-ui/public/index.html
@@ -8,8 +8,6 @@
  <meta name="referrer" content="no-referrer">
  <link rel="icon" href="<%= BASE_URL %>favicon.ico">
  <script type="text/javascript" src="<%= BASE_URL %>config.js"></script>
-  <script type="text/javascript" src="/banmaSDK/BrowserPrint-3.1.250.min.js"></script>
-  <script type="text/javascript" src="/banmaSDK/BrowserPrint-Zebra-1.1.250.min.js"></script>
  <title><%= webpackConfig.name %></title>
 </head>
 <body>
--- a/lms/nladmin-ui/src/views/system/printer/index.vue
+++ b/lms/nladmin-ui/src/views/system/printer/index.vue
@@ -0,0 +1,128 @@
+<template>
+  <div class="app-container">
+    <!--工具栏-->
+    <div class="head-container">
+      <!--如果想在工具栏加入更多按钮，可以使用插槽方式， slot = 'left' or 'right'-->
+      <crudOperation :permission="permission" />
+      <!--表单组件-->
+      <el-dialog
+        :close-on-click-modal="false"
+        :before-close="crud.cancelCU"
+        :visible.sync="crud.status.cu > 0"
+        :title="crud.status.title"
+        width="550px"
+      >
+        <el-form ref="form" :model="form" :rules="rules" size="mini" label-width="100px">
+          <el-form-item label="打印机名称" prop="name">
+            <el-input v-model="form.name" style="width: 370px;" />
+          </el-form-item>
+          <el-form-item label="IP地址" prop="ip">
+            <el-input v-model="form.ip" style="width: 370px;" />
+          </el-form-item>
+          <el-form-item label="端口" prop="port">
+            <el-input v-model="form.port" style="width: 370px;" />
+          </el-form-item>
+          <el-form-item label="备注" prop="description">
+            <el-input v-model="form.remark" style="width: 380px;" rows="5" type="textarea" />
+          </el-form-item>
+        </el-form>
+        <div slot="footer" class="dialog-footer">
+          <el-button type="text" @click="crud.cancelCU">取消</el-button>
+          <el-button :loading="crud.cu === 2" type="primary" @click="crud.submitCU">确认</el-button>
+        </div>
+      </el-dialog>
+      <!--表格渲染-->
+      <el-table
+        ref="table"
+        v-loading="crud.loading"
+        :data="crud.data"
+        size="mini"
+        style="width: 100%;"
+        @selection-change="crud.selectionChangeHandler"
+      >
+        <el-table-column type="selection" width="55" />
+        <el-table-column v-if="false" prop="id" label="id" />
+        <el-table-column prop="name" label="打印机名称" min-width="130" show-overflow-tooltip />
+        <el-table-column prop="ip" label="IP地址" min-width="120" show-overflow-tooltip />
+        <el-table-column prop="port" label="端口" min-width="270" show-overflow-tooltip />
+        <el-table-column prop="remark" label="备注" />
+        <el-table-column v-permission="['admin','param:edit','param:del']" label="操作" width="150px" align="center">
+          <template slot-scope="scope">
+            <udOperation
+              :data="scope.row"
+              :permission="permission"
+            />
+          </template>
+        </el-table-column>
+      </el-table>
+      <!--分页组件-->
+      <pagination />
+    </div>
+  </div>
+</template>
+
+<script>
+import crudPrinter from '@/views/system/printer/printer'
+import CRUD, { presenter, header, form, crud } from '@crud/crud'
+import rrOperation from '@crud/RR.operation'
+import crudOperation from '@crud/CRUD.operation'
+import udOperation from '@crud/UD.operation'
+import pagination from '@crud/Pagination'
+
+const defaultForm = {
+  ip: null,
+  name: null,
+  port: null,
+  remark: null
+}
+export default {
+  name: 'Printer',
+  components: { pagination, crudOperation, rrOperation, udOperation },
+  mixins: [presenter(), header(), form(defaultForm), crud()],
+  cruds() {
+    return CRUD({ title: '打印机管理', url: 'api/printer', idField: 'id', sort: 'id,desc', crudMethod: { ...crudPrinter },
+      optShow: {
+        add: true,
+        edit: true,
+        del: true,
+        download: false,
+        reset: true
+      }
+    })
+  },
+  data() {
+    return {
+      permission: {
+        add: ['admin', 'printer:add'],
+        edit: ['admin', 'printer:edit'],
+        del: ['admin', 'printer:del']
+      },
+
+      rules: {
+        ip: [
+          { required: true, message: '不能为空', trigger: 'blur' }
+        ],
+        name: [
+          { required: true, message: '不能为空', trigger: 'blur' }
+        ],
+        port: [
+          { required: true, message: '不能为空', trigger: 'blur' }
+        ]
+      }
+    }
+  },
+  created() {
+    // this.webSocket()
+  },
+  methods: {
+    // 钩子：在获取表格数据之前执行，false 则代表不获取数据
+    [CRUD.HOOK.beforeRefresh]() {
+      return true
+    },
+  }
+}
+</script>
+
+<style scoped>
+
+</style>
--- a/lms/nladmin-ui/src/views/system/printer/printer.js
+++ b/lms/nladmin-ui/src/views/system/printer/printer.js
@@ -0,0 +1,34 @@
+import request from '@/utils/request'
+
+export function add(data) {
+  return request({
+    url: 'api/printer',
+    method: 'post',
+    data
+  })
+}
+
+export function del(ids) {
+  return request({
+    url: 'api/printer/',
+    method: 'delete',
+    data: ids
+  })
+}
+
+export function edit(data) {
+  return request({
+    url: 'api/printer',
+    method: 'put',
+    data
+  })
+}
+
+export function getValueByCode(code) {
+  return request({
+    url: 'api/printer/getValueByCode/' + code,
+    method: 'post'
+  })
+}
+
+export default { add, edit, del, getValueByCode }
--- a/lms/nladmin-ui/src/views/wms/produceScreen/index.vue
+++ b/lms/nladmin-ui/src/views/wms/produceScreen/index.vue
@@ -404,6 +404,25 @@
      <div class="pop-h1">确认打印内容</div>
      <div class="filter-items">
        <div class="info-list" style="color: #F0F3F4">
+
+          <div class="info-item">
+            <div class="info-label">打印机</div>
+            <div class="info-value">
+              <el-row class="filter-wraper" style="margin-bottom: 0" type="flex" justify="space-between">
+                <el-col style="width: 100%;" class="select-wraper">
+                  <el-select v-model="printer" :popper-append-to-body="false" placeholder="请选择">
+                    <el-option
+                      v-for="item in printers"
+                      :key="item.name"
+                      :label="item.name"
+                      :value="item.name"
+                      class="option-wraper"
+                    />
+                  </el-select>
+                </el-col>
+              </el-row>
+            </div>
+          </div>
          <!-- 订单号 竖向行 -->
          <div class="info-item">
            <div class="info-label">订单号</div>
@@ -449,6 +468,25 @@
      <div class="pop-h1">自定义打印</div>
      <div class="filter-items">
        <div class="info-list" style="color: #F0F3F4">
+          <!-- 订单号 竖向行 -->
+          <div class="info-item">
+            <div class="info-label">打印机</div>
+            <div class="info-value">
+                <el-row class="filter-wraper" style="margin-bottom: 0" type="flex" justify="space-between">
+                  <el-col style="width: 100%;" class="select-wraper">
+                    <el-select v-model="printer" :popper-append-to-body="false" placeholder="请选择">
+                      <el-option
+                        v-for="item in printers"
+                        :key="item.name"
+                        :label="item.name"
+                        :value="item.name"
+                        class="option-wraper"
+                      />
+                    </el-select>
+                  </el-col>
+                </el-row>
+            </div>
+          </div>
          <!-- 订单号 竖向行 -->
          <div class="info-item">
            <div class="info-label">订单号</div>
@@ -493,7 +531,7 @@
 </template>

 <script>
-import crudProduceScreen from './produceScreen'
+import crudProduceScreen, {getAllPrinter, sendPrint} from './produceScreen'
 import {getAgvStatus} from '@/api/agv_alarm'
 // import crudProduceScreen from './mork'

@@ -527,6 +565,8 @@ export default {
      printShow: false,
      customPrintShow: false,
      printData: {},
+      printers: [],
+      printer: '',
      customPrintData: {
        order_code: '',
        create_time: new Date().toLocaleString() || '',
@@ -637,23 +677,43 @@ export default {
    },
    doPrint(row) {
      console.log(row)
+      this.getAllPrinter()
      this.printShow = true
      this.printData = row
      this.printData.username = JSON.parse(localStorage.getItem('screenData')).username || ''
    },
    confirmCustomPrint() {
      console.log(this.customPrintData)
+      this.sendPrint(this.customPrintData)
      this.customPrintShow = false
    },
    confirmPrint() {
      console.log(this.printData)
+      this.sendPrint(this.printData)
      this.printShow = false
      this.printData = {}
    },
    customPrint() {
+      this.getAllPrinter()
      this.customPrintData.create_time = new Date().toLocaleString()
      this.customPrintShow = true
    },
+    sendPrint(data) {
+      console.log(this.printer)
+      const printer = this.printers.filter(item => item.name === this.printer)
+      console.log(printer)
+      data.ip = printer[0].ip
+      data.port = printer[0].port
+      sendPrint(data).then(res => {
+        console.log(res)
+      })
+    },
+    getAllPrinter() {
+      getAllPrinter().then(res => {
+        console.log(res)
+        this.printers = res
+      })
+    },
    handleCurrentChange(val) {
      if (val) {
        if (val.is_lock === '1') { // 如果点击的是占用状态的行，重置相关数据
@@ -1165,6 +1225,7 @@ export default {
  display: flex;
  align-items: flex-start;
  gap: 12px;
+  align-items: center;
 }

 /* 左侧标签区 - 固定宽度，整洁 */
--- a/lms/nladmin-ui/src/views/wms/produceScreen/produceScreen.js
+++ b/lms/nladmin-ui/src/views/wms/produceScreen/produceScreen.js
@@ -143,6 +143,21 @@ export function getExceptionMessage(deviceCode) {
    method: 'get'
  })
 }
+//17.打印标签
+export function sendPrint(data) {
+  return request({
+    url: 'api/handheld/print',
+    method: 'post',
+    data
+  })
+}
+//18.获取所有打印机
+export function getAllPrinter() {
+  return request({
+    url: 'api/printer/all',
+    method: 'get'
+  })
+}

 export default {
  authLogin, getUserOrDevice, deviceInLogin, regionOrder, fabMaterial, callMater, callEmp, fabOrders, sendMater, sendVehicle, getPointVehicle, loginOut, selectMaterialAndJpg, selectCacheTask, deletevehiclemessage, getExceptionMessage