1. 完成用户导出的功能

2. 完成前后端的导出的封装
This commit is contained in:
YunaiV 2021-01-14 01:18:56 +08:00
parent 02ff516f0f
commit f942b34d02
16 changed files with 246 additions and 131 deletions

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@ -16,7 +16,7 @@ import './assets/icons' // icon
import './permission' // permission control
import { getDicts } from "@/api/system/dict/data";
import { getConfigKey } from "@/api/system/config";
import { parseTime, resetForm, addDateRange, selectDictLabel, selectDictLabels, download, handleTree } from "@/utils/ruoyi";
import { parseTime, resetForm, addDateRange, selectDictLabel, selectDictLabels, download, handleTree, downloadExcel } from "@/utils/ruoyi";
import Pagination from "@/components/Pagination";
// 自定义表格工具扩展
import RightToolbar from "@/components/RightToolbar"
@ -33,6 +33,7 @@ Vue.prototype.addDateRange = addDateRange
Vue.prototype.selectDictLabel = selectDictLabel
Vue.prototype.selectDictLabels = selectDictLabels
Vue.prototype.download = download
Vue.prototype.downloadExcel = downloadExcel
Vue.prototype.handleTree = handleTree
Vue.prototype.msgSuccess = function (msg) {

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@ -101,6 +101,21 @@ export function download(fileName) {
window.location.href = baseURL + "/common/download?fileName=" + encodeURI(fileName) + "&delete=" + true;
}
// 下载 Excel 方法
export function downloadExcel(data, fileName) {
// 创建 blob
let blob = new Blob([data], {type: 'application/vnd.ms-excel'});
// 创建 href 超链接,点击进行下载
window.URL = window.URL || window.webkitURL;
let href = URL.createObjectURL(blob);
let downA = document.createElement("a");
downA.href = href;
downA.download = fileName;
downA.click();
// 销毁超连接
window.URL.revokeObjectURL(href);
}
// 字符串格式化(%s )
export function sprintf(str) {
var args = arguments, flag = true, i = 1;

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@ -510,7 +510,7 @@ export default {
this.reset();
},
//
cancelMenu() {
cancelRole() {
this.openRole = false;
this.reset();
},
@ -647,7 +647,10 @@ export default {
},
/** 导出按钮操作 */
handleExport() {
const queryParams = this.queryParams;
const queryParams = this.addDateRange(this.queryParams, [
this.dateRange[0] ? this.dateRange[0] + ' 00:00:00' : undefined,
this.dateRange[1] ? this.dateRange[1] + ' 23:59:59' : undefined,
]);
this.$confirm('是否确认导出所有用户数据项?', "警告", {
confirmButtonText: "确定",
cancelButtonText: "取消",
@ -655,15 +658,7 @@ export default {
}).then(function() {
return exportUser(queryParams);
}).then(response => {
// this.download(response.msg);
let blob = new Blob([response], {type: 'application/vnd.ms-excel'});
window.URL = window.URL || window.webkitURL;
let href = URL.createObjectURL(blob);
let downA = document.createElement("a");
downA.href = href;//
downA.download = '123321.xls';
downA.click();
window.URL.revokeObjectURL(href);
this.downloadExcel(response, '用户数据.xls');
})
},
/** 导入按钮操作 */

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@ -54,7 +54,7 @@ public class DictConvert implements Converter<Object> {
return null;
}
// 生成 Excel 小表格
return new CellData<>(dictData.getValue());
return new CellData<>(dictData.getLabel());
}
private static DictTypeEnum getType(ExcelContentProperty contentProperty) {

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@ -0,0 +1,27 @@
package cn.iocoder.dashboard.framework.excel.core.util;
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.List;
/**
* Excel 工具类
*/
public class ExcelUtils {
public static void write(HttpServletResponse response, String filename, String sheetName,
Class<?> head, List<?> data) throws IOException {
// 设置 header contentType
response.addHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(filename, "UTF-8"));
response.setContentType("application/vnd.ms-excel;charset=UTF-8");
// 输出 Excel
EasyExcel.write(response.getOutputStream(), head)
.registerWriteHandler(new LongestMatchColumnWidthStyleStrategy()) // 基于 column 长度自动适配最大 255 宽度
.sheet(sheetName).doWrite(data);
}
}

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@ -3,6 +3,7 @@ package cn.iocoder.dashboard.modules.system.controller.user;
import cn.hutool.core.collection.CollUtil;
import cn.iocoder.dashboard.common.pojo.CommonResult;
import cn.iocoder.dashboard.common.pojo.PageResult;
import cn.iocoder.dashboard.framework.excel.core.util.ExcelUtils;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.*;
import cn.iocoder.dashboard.modules.system.convert.user.SysUserConvert;
import cn.iocoder.dashboard.modules.system.dal.mysql.dataobject.dept.SysDeptDO;
@ -10,7 +11,7 @@ import cn.iocoder.dashboard.modules.system.dal.mysql.dataobject.user.SysUserDO;
import cn.iocoder.dashboard.modules.system.service.dept.SysDeptService;
import cn.iocoder.dashboard.modules.system.service.user.SysUserService;
import cn.iocoder.dashboard.util.collection.CollectionUtils;
import com.alibaba.excel.EasyExcel;
import cn.iocoder.dashboard.util.collection.MapUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiOperation;
@ -20,7 +21,10 @@ import org.springframework.web.bind.annotation.*;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import static cn.iocoder.dashboard.common.pojo.CommonResult.success;
@ -37,7 +41,7 @@ public class SysUserController {
@ApiOperation("获得用户分页列表")
@GetMapping("/page")
// @PreAuthorize("@ss.hasPermi('system:user:list')")
public CommonResult<PageResult<SysUserPageItemRespVO>> pageUsers(SysUserPageReqVO reqVO) {
public CommonResult<PageResult<SysUserPageItemRespVO>> pageUsers(@Validated SysUserPageReqVO reqVO) {
// 获得用户分页列表
PageResult<SysUserDO> pageResult = userService.pageUsers(reqVO);
if (CollUtil.isEmpty(pageResult.getList())) {
@ -45,13 +49,8 @@ public class SysUserController {
}
// 获得拼接需要的数据
Map<Long, SysDeptDO> deptMap;
Collection<Long> deptIds = CollectionUtils.convertList(pageResult.getList(), SysUserDO::getDeptId);
if (CollUtil.isNotEmpty(deptIds)) {
deptMap = CollectionUtils.convertMap(deptService.listDepts(deptIds), SysDeptDO::getId);
} else {
deptMap = Collections.emptyMap();
}
Map<Long, SysDeptDO> deptMap = deptService.getDeptMap(deptIds);
// 拼接结果返回
List<SysUserPageItemRespVO> userList = new ArrayList<>(pageResult.getList().size());
pageResult.getList().forEach(user -> {
@ -121,11 +120,29 @@ public class SysUserController {
@ApiOperation("导出用户")
@GetMapping("/export")
public void exportUsers(HttpServletResponse response) throws IOException {
String fileName = "测试文件.xls";
response.addHeader("Content-Disposition", "attachment;filename=" + fileName);
response.setContentType("application/vnd.ms-excel;charset=UTF-8");
EasyExcel.write(response.getOutputStream(), SysUserExcelVO.class).sheet().doWrite(new ArrayList<>());
// @PreAuthorize("@ss.hasPermi('system:user:export')") , @Validated SysUserExportReqVO reqVO
// @Log(title = "用户管理", businessType = BusinessType.EXPORT)
public void exportUsers(HttpServletResponse response, @Validated SysUserExportReqVO reqVO) throws IOException {
// 获得用户列表
List<SysUserDO> users = userService.listUsers(reqVO);
// 获得拼接需要的数据
Collection<Long> deptIds = CollectionUtils.convertList(users, SysUserDO::getDeptId);
Map<Long, SysDeptDO> deptMap = deptService.getDeptMap(deptIds);
// 拼接数据
List<SysUserExcelVO> excelUsers = new ArrayList<>(users.size());
users.forEach(user -> {
SysUserExcelVO excelVO = SysUserConvert.INSTANCE.convert02(user);
MapUtils.findAndThen(deptMap, user.getDeptId(), dept -> {
excelVO.setDeptName(dept.getName());
excelVO.setDeptLeader(dept.getLeader());
});
excelUsers.add(excelVO);
});
// 输出
ExcelUtils.write(response, "用户数据.xls", "用户列表",
SysUserExcelVO.class, excelUsers);
}
// @Log(title = "用户管理", businessType = BusinessType.EXPORT)

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@ -22,7 +22,7 @@ public class SysUserExcelVO {
@ExcelProperty("用户名称")
private String username;
@ExcelProperty("用户")
@ExcelProperty("用户")
private String nickname;
@ExcelProperty("用户邮箱")

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@ -0,0 +1,40 @@
package cn.iocoder.dashboard.modules.system.controller.user.vo.user;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.format.annotation.DateTimeFormat;
import java.util.Date;
import static cn.iocoder.dashboard.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
@ApiModel(value = "用户导出 Request VO", description = "参数和 SysUserPageReqVO 是一致的")
@Data
@NoArgsConstructor
@AllArgsConstructor
public class SysUserExportReqVO {
@ApiModelProperty(value = "用户账号", example = "yudao", notes = "模糊匹配")
private String username;
@ApiModelProperty(value = "手机号码", example = "yudao", notes = "模糊匹配")
private String mobile;
@ApiModelProperty(value = "展示状态", example = "1", notes = "参见 SysCommonStatusEnum 枚举类")
private Integer status;
@ApiModelProperty(value = "开始时间", example = "2020-10-24")
@DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
private Date beginTime;
@ApiModelProperty(value = "结束时间", example = "2020-10-24")
@DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
private Date endTime;
@ApiModelProperty(value = "部门编号", example = "1024", notes = "同时筛选子部门")
private Long deptId;
}

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@ -2,6 +2,7 @@ package cn.iocoder.dashboard.modules.system.convert.user;
import cn.iocoder.dashboard.common.pojo.PageResult;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserCreateReqVO;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserExcelVO;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserPageItemRespVO;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserUpdateReqVO;
import cn.iocoder.dashboard.modules.system.dal.mysql.dataobject.dept.SysDeptDO;
@ -27,4 +28,6 @@ public interface SysUserConvert {
SysUserDO convert(SysUserUpdateReqVO bean);
SysUserExcelVO convert02(SysUserDO bean);
}

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@ -2,6 +2,7 @@ package cn.iocoder.dashboard.modules.system.dal.mysql.dao.user;
import cn.iocoder.dashboard.framework.mybatis.core.query.QueryWrapperX;
import cn.iocoder.dashboard.framework.mybatis.core.util.MyBatisUtils;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserExportReqVO;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserPageReqVO;
import cn.iocoder.dashboard.modules.system.dal.mysql.dataobject.user.SysUserDO;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
@ -9,6 +10,7 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import org.apache.ibatis.annotations.Mapper;
import java.util.Collection;
import java.util.List;
@Mapper
@ -26,7 +28,7 @@ public interface SysUserMapper extends BaseMapper<SysUserDO> {
return selectOne(new QueryWrapper<SysUserDO>().eq("email", email));
}
default IPage<SysUserDO> selectList(SysUserPageReqVO reqVO, List<Long> deptIds) {
default IPage<SysUserDO> selectList(SysUserPageReqVO reqVO, Collection<Long> deptIds) {
return selectPage(MyBatisUtils.buildPage(reqVO),
new QueryWrapperX<SysUserDO>().likeIfPresent("username", reqVO.getUsername())
.likeIfPresent("mobile", reqVO.getMobile())
@ -35,5 +37,13 @@ public interface SysUserMapper extends BaseMapper<SysUserDO> {
.inIfPresent("dept_id", deptIds));
}
default List<SysUserDO> selectList(SysUserExportReqVO reqVO, Collection<Long> deptIds) {
return selectList(new QueryWrapperX<SysUserDO>().likeIfPresent("username", reqVO.getUsername())
.likeIfPresent("mobile", reqVO.getMobile())
.eqIfPresent("status", reqVO.getStatus())
.betweenIfPresent("create_time", reqVO.getBeginTime(), reqVO.getEndTime())
.inIfPresent("dept_id", deptIds));
}
}

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@ -1,12 +1,16 @@
package cn.iocoder.dashboard.modules.system.service.dept;
import cn.hutool.core.collection.CollUtil;
import cn.iocoder.dashboard.modules.system.controller.dept.vo.dept.SysDeptCreateReqVO;
import cn.iocoder.dashboard.modules.system.controller.dept.vo.dept.SysDeptListReqVO;
import cn.iocoder.dashboard.modules.system.controller.dept.vo.dept.SysDeptUpdateReqVO;
import cn.iocoder.dashboard.modules.system.dal.mysql.dataobject.dept.SysDeptDO;
import cn.iocoder.dashboard.util.collection.CollectionUtils;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* 部门 Service 接口
@ -35,6 +39,20 @@ public interface SysDeptService {
*/
List<SysDeptDO> listDepts(Collection<Long> ids);
/**
* 获得指定编号的部门 Map
*
* @param ids 部门编号数组
* @return 部门 Map
*/
default Map<Long, SysDeptDO> getDeptMap(Collection<Long> ids) {
if (CollUtil.isEmpty(ids)) {
return Collections.emptyMap();
}
List<SysDeptDO> list = listDepts(ids);
return CollectionUtils.convertMap(list, SysDeptDO::getId);
}
/**
* 筛选部门列表
*

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@ -15,6 +15,7 @@ import cn.iocoder.dashboard.modules.system.service.dict.SysDictTypeService;
import com.google.common.collect.ImmutableTable;
import org.springframework.stereotype.Service;
import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.Comparator;
@ -56,6 +57,7 @@ public class SysDictDataServiceImpl implements SysDictDataService {
private SysDictDataMapper dictDataMapper;
@Override
@PostConstruct
public void init() {
// 获得字典数据
List<SysDictDataDO> list = this.listDictDatas();

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@ -2,23 +2,19 @@ package cn.iocoder.dashboard.modules.system.service.user;
import cn.iocoder.dashboard.common.pojo.PageResult;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserCreateReqVO;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserExportReqVO;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserPageReqVO;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserUpdateReqVO;
import cn.iocoder.dashboard.modules.system.dal.mysql.dataobject.user.SysUserDO;
import java.util.List;
/**
* 用户 Service 接口
*
* @author 芋道源码
*/
public interface SysUserService {
// /**
// * 根据条件分页查询用户列表
// *
// * @param user 用户信息
// * @return 用户信息集合信息
// */
// public List<SysUser> selectUserList(SysUser user);
/**
* 通过用户名查询用户
@ -44,6 +40,14 @@ public interface SysUserService {
*/
PageResult<SysUserDO> pageUsers(SysUserPageReqVO reqVO);
/**
* 获得用户列表
*
* @param reqVO 列表请求
* @return 用户列表
*/
List<SysUserDO> listUsers(SysUserExportReqVO reqVO);
/**
* 创建用户
*
@ -82,77 +86,6 @@ public interface SysUserService {
*/
void updateUserStatus(Long id, Integer status);
//
// /**
// * 根据用户ID查询用户所属角色组
// *
// * @param userName 用户名
// * @return 结果
// */
// public String selectUserRoleGroup(String userName);
//
// /**
// * 根据用户ID查询用户所属岗位组
// *
// * @param userName 用户名
// * @return 结果
// */
// public String selectUserPostGroup(String userName);
//
// /**
// * 校验用户名称是否唯一
// *
// * @param userName 用户名称
// * @return 结果
// */
// public String checkUserNameUnique(String userName);
//
// /**
// * 校验手机号码是否唯一
// *
// * @param user 用户信息
// * @return 结果
// */
// public String checkPhoneUnique(SysUser user);
//
// /**
// * 校验email是否唯一
// *
// * @param user 用户信息
// * @return 结果
// */
// public String checkEmailUnique(SysUser user);
//
// /**
// * 校验用户是否允许操作
// *
// * @param user 用户信息
// */
// public void checkUserAllowed(SysUser user);
//
// /**
// * 新增用户信息
// *
// * @param user 用户信息
// * @return 结果
// */
// public int insertUser(SysUser user);
//
// /**
// * 修改用户信息
// *
// * @param user 用户信息
// * @return 结果
// */
// public int updateUser(SysUser user);
//
// /**
// * 修改用户状态
// *
// * @param user 用户信息
// * @return 结果
// */
// public int updateUserStatus(SysUser user);
//
// /**
// * 修改用户基本信息
@ -187,22 +120,7 @@ public interface SysUserService {
// * @return 结果
// */
// public int resetUserPwd(String userName, String password);
//
// /**
// * 通过用户ID删除用户
// *
// * @param userId 用户ID
// * @return 结果
// */
// public int deleteUserById(Long userId);
//
// /**
// * 批量删除用户信息
// *
// * @param userIds 需要删除的用户ID
// * @return 结果
// */
// public int deleteUserByIds(Long[] userIds);
//
// /**
// * 导入用户数据

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@ -6,6 +6,7 @@ import cn.iocoder.dashboard.common.enums.CommonStatusEnum;
import cn.iocoder.dashboard.common.exception.util.ServiceExceptionUtil;
import cn.iocoder.dashboard.common.pojo.PageResult;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserCreateReqVO;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserExportReqVO;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserPageReqVO;
import cn.iocoder.dashboard.modules.system.controller.user.vo.user.SysUserUpdateReqVO;
import cn.iocoder.dashboard.modules.system.convert.user.SysUserConvert;
@ -77,15 +78,29 @@ public class SysUserServiceImpl implements SysUserService {
@Override
public PageResult<SysUserDO> pageUsers(SysUserPageReqVO reqVO) {
// 处理部门查询条件
List<Long> deptIds = Collections.emptyList();
if (reqVO.getDeptId() != null) {
deptIds = CollectionUtils.convertList(deptService.listDeptsByParentIdFromCache(
reqVO.getDeptId(), true), SysDeptDO::getId);
deptIds.add(reqVO.getDeptId());
return SysUserConvert.INSTANCE.convertPage(userMapper.selectList(reqVO,
this.getDeptCondition(reqVO.getDeptId())));
}
@Override
public List<SysUserDO> listUsers(SysUserExportReqVO reqVO) {
return userMapper.selectList(reqVO, this.getDeptCondition(reqVO.getDeptId()));
}
/**
* 获得部门条件查询指定部门的子部门编号们包括自身
*
* @param deptId 部门编号
* @return 部门编号集合
*/
private Set<Long> getDeptCondition(Long deptId) {
if (deptId == null) {
return Collections.emptySet();
}
// 执行查询
return SysUserConvert.INSTANCE.convertPage(userMapper.selectList(reqVO, deptIds));
Set<Long> deptIds = CollectionUtils.convertSet(deptService.listDeptsByParentIdFromCache(
deptId, true), SysDeptDO::getId);
deptIds.add(deptId); // 包括自身
return deptIds;
}
@Override

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@ -1,5 +1,6 @@
package cn.iocoder.dashboard.util.collection;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.collection.CollectionUtil;
import java.util.*;
@ -19,37 +20,61 @@ public class CollectionUtils {
}
public static <T> List<T> filterList(Collection<T> from, Predicate<T> predicate) {
if (CollUtil.isEmpty(from)) {
return new ArrayList<>();
}
return from.stream().filter(predicate).collect(Collectors.toList());
}
public static <T, U> List<U> convertList(List<T> from, Function<T, U> func) {
if (CollUtil.isEmpty(from)) {
return new ArrayList<>();
}
return from.stream().map(func).collect(Collectors.toList());
}
public static <T, U> Set<U> convertSet(List<T> from, Function<T, U> func) {
if (CollUtil.isEmpty(from)) {
return new HashSet<>();
}
return from.stream().map(func).collect(Collectors.toSet());
}
public static <T, K> Map<K, T> convertMap(List<T> from, Function<T, K> keyFunc) {
if (CollUtil.isEmpty(from)) {
return new HashMap<>();
}
return from.stream().collect(Collectors.toMap(keyFunc, item -> item));
}
public static <T, K, V> Map<K, V> convertMap(List<T> from, Function<T, K> keyFunc, Function<T, V> valueFunc) {
if (CollUtil.isEmpty(from)) {
return new HashMap<>();
}
return from.stream().collect(Collectors.toMap(keyFunc, valueFunc));
}
public static <T, K> Map<K, List<T>> convertMultiMap(List<T> from, Function<T, K> keyFunc) {
if (CollUtil.isEmpty(from)) {
return new HashMap<>();
}
return from.stream().collect(Collectors.groupingBy(keyFunc,
Collectors.mapping(t -> t, Collectors.toList())));
}
public static <T, K, V> Map<K, List<V>> convertMultiMap(List<T> from, Function<T, K> keyFunc, Function<T, V> valueFunc) {
if (CollUtil.isEmpty(from)) {
return new HashMap<>();
}
return from.stream().collect(Collectors.groupingBy(keyFunc,
Collectors.mapping(valueFunc, Collectors.toList())));
}
// 暂时没想好名字先以 2 结尾噶
public static <T, K, V> Map<K, Set<V>> convertMultiMap2(List<T> from, Function<T, K> keyFunc, Function<T, V> valueFunc) {
if (CollUtil.isEmpty(from)) {
return new HashMap<>();
}
return from.stream().collect(Collectors.groupingBy(keyFunc, Collectors.mapping(valueFunc, Collectors.toSet())));
}

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@ -1,11 +1,14 @@
package cn.iocoder.dashboard.util.collection;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.collection.CollectionUtil;
import com.google.common.collect.Multimap;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.function.Consumer;
/**
* Map 工具类
@ -14,6 +17,13 @@ import java.util.List;
*/
public class MapUtils {
/**
* 从哈希表表中获得 keys 对应的所有 value 数组
*
* @param multimap 哈希表
* @param keys keys
* @return value 数组
*/
public static <K, V> List<V> getList(Multimap<K, V> multimap, Collection<K> keys) {
List<V> result = new ArrayList<>();
keys.forEach(k -> {
@ -26,4 +36,23 @@ public class MapUtils {
return result;
}
/**
* 从哈希表查找到 key 对应的 value然后进一步处理
* 注意如果查找到的 value null 不进行处理
*
* @param map 哈希表
* @param key key
* @param consumer 进一步处理的逻辑
*/
public static <K, V> void findAndThen(Map<K, V> map, K key, Consumer<V> consumer) {
if (CollUtil.isEmpty(map)) {
return;
}
V value = map.get(key);
if (value == null) {
return;
}
consumer.accept(value);
}
}