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eladmin
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Code Issues Releases Wiki Activity

新增后端带条件导出功能（示例见用户管理控制器）

pull/127/head
dqjdda 2019-08-26 17:34:03 +08:00
parent e775de19bf
commit e6146cb1c8
9 changed files with 114 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
eladmin-common/src/main/java/me/zhengjie/utils/FileUtil.java
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@ -1,10 +1,17 @@
package me.zhengjie.utils;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.util.IdUtil;
import cn.hutool.poi.excel.ExcelUtil;
import cn.hutool.poi.excel.ExcelWriter;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.text.DecimalFormat;
import java.util.List;
import java.util.Map;
/**
* File工具类，扩展 hutool 工具包
@ -139,4 +146,32 @@ public class FileUtil extends cn.hutool.core.io.FileUtil {
ins.close();
return file;
}
/**
* 导出excel
* @param list
* @return
* @throws Exception
*/
public static void downloadExcel(List<Map<String, Object>> list, HttpServletResponse response){
// 通过工具类创建writer
ExcelWriter writer = ExcelUtil.getWriter();
// 一次性写出内容，使用默认样式，强制输出标题
writer.write(list, true);
//response为HttpServletResponse对象
response.setContentType("application/vnd.ms-excel;charset=utf-8");
//test.xls是弹出下载对话框的文件名，不能为中文，中文请自行编码
response.setHeader("Content-Disposition","attachment;filename=file.xls");
ServletOutputStream out= null;
try {
out = response.getOutputStream();
} catch (IOException e) {
e.printStackTrace();
}
writer.flush(out, true);
// 关闭writer，释放内存
writer.close();
//此处记得关闭输出Servlet流
IoUtil.close(out);
}
}

1
eladmin-system/src/main/java/me/zhengjie/modules/system/rest/RoleController.java
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@ -5,7 +5,6 @@ import me.zhengjie.aop.log.Log;
import me.zhengjie.modules.system.domain.Role;
import me.zhengjie.exception.BadRequestException;
import me.zhengjie.modules.system.service.RoleService;
import me.zhengjie.modules.system.service.dto.MenuQueryCriteria;
import me.zhengjie.modules.system.service.dto.RoleQueryCriteria;
import me.zhengjie.modules.system.service.dto.RoleSmallDTO;
import me.zhengjie.utils.SecurityUtils;

8
eladmin-system/src/main/java/me/zhengjie/modules/system/rest/UserController.java
View File

@ -26,6 +26,7 @@ import org.springframework.util.ObjectUtils;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.util.*;
import java.util.stream.Collectors;
@ -55,6 +56,13 @@ public class UserController {
@Autowired
private VerificationCodeService verificationCodeService;
@Log("导出用户数据")
@GetMapping(value = "/users/download")
@PreAuthorize("hasAnyRole('ADMIN','USER_ALL','USER_SELECT')")
public void update(HttpServletResponse response, UserQueryCriteria criteria){
userService.download(userService.queryAll(criteria), response);
}
@Log("查询用户")
@GetMapping(value = "/users")
@PreAuthorize("hasAnyRole('ADMIN','USER_ALL','USER_SELECT')")

11
eladmin-system/src/main/java/me/zhengjie/modules/system/service/RoleService.java
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@ -10,6 +10,7 @@ import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.data.domain.Pageable;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
import java.util.Set;
@ -86,6 +87,7 @@ public interface RoleService {
* @param pageable
* @return
*/
@Cacheable(keyGenerator = "keyGenerator")
Object queryAll(Pageable pageable);
/**
@ -94,5 +96,14 @@ public interface RoleService {
* @param criteria
* @return
*/
@Cacheable(keyGenerator = "keyGenerator")
Object queryAll(RoleQueryCriteria criteria, Pageable pageable);
/**
* queryAll
* @param criteria
* @return
*/
@Cacheable(keyGenerator = "keyGenerator")
List<RoleDTO> queryAll(RoleQueryCriteria criteria);
}

8
eladmin-system/src/main/java/me/zhengjie/modules/system/service/UserService.java
View File

@ -9,6 +9,9 @@ import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.data.domain.Pageable;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
/**
* @author Zheng Jie
* @date 2018-11-23
@ -80,4 +83,9 @@ public interface UserService {
@Cacheable(keyGenerator = "keyGenerator")
Object queryAll(UserQueryCriteria criteria, Pageable pageable);
@Cacheable(keyGenerator = "keyGenerator")
List<UserDTO> queryAll(UserQueryCriteria criteria);
void download(List<UserDTO> queryAll, HttpServletResponse response);
}

8
eladmin-system/src/main/java/me/zhengjie/modules/system/service/impl/RoleServiceImpl.java
View File

@ -10,6 +10,7 @@ import me.zhengjie.modules.system.service.dto.RoleQueryCriteria;
import me.zhengjie.modules.system.service.dto.RoleSmallDTO;
import me.zhengjie.modules.system.service.mapper.RoleMapper;
import me.zhengjie.modules.system.service.mapper.RoleSmallMapper;
import me.zhengjie.utils.FileUtil;
import me.zhengjie.utils.PageUtil;
import me.zhengjie.utils.QueryHelp;
import me.zhengjie.utils.ValidationUtil;
@ -19,6 +20,8 @@ import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import javax.servlet.http.HttpServletResponse;
import java.util.*;
import java.util.stream.Collectors;
@ -44,6 +47,11 @@ public class RoleServiceImpl implements RoleService {
return roleMapper.toDto(roleRepository.findAll(pageable).getContent());
}
@Override
public List<RoleDTO> queryAll(RoleQueryCriteria criteria) {
return roleMapper.toDto(roleRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder)));
}
@Override
public Object queryAll(RoleQueryCriteria criteria, Pageable pageable) {
Page<Role> page = roleRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),pageable);

39
eladmin-system/src/main/java/me/zhengjie/modules/system/service/impl/UserServiceImpl.java
View File

@ -1,14 +1,19 @@
package me.zhengjie.modules.system.service.impl;
import cn.hutool.core.io.IoUtil;
import cn.hutool.poi.excel.ExcelUtil;
import cn.hutool.poi.excel.ExcelWriter;
import me.zhengjie.modules.monitor.service.RedisService;
import me.zhengjie.modules.system.domain.User;
import me.zhengjie.exception.EntityExistException;
import me.zhengjie.exception.EntityNotFoundException;
import me.zhengjie.modules.system.repository.UserRepository;
import me.zhengjie.modules.system.service.UserService;
import me.zhengjie.modules.system.service.dto.RoleSmallDTO;
import me.zhengjie.modules.system.service.dto.UserDTO;
import me.zhengjie.modules.system.service.dto.UserQueryCriteria;
import me.zhengjie.modules.system.service.mapper.UserMapper;
import me.zhengjie.utils.FileUtil;
import me.zhengjie.utils.PageUtil;
import me.zhengjie.utils.QueryHelp;
import me.zhengjie.utils.ValidationUtil;
@ -18,8 +23,11 @@ import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import java.util.Date;
import java.util.Optional;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.*;
import java.util.stream.Collectors;
/**
* @author Zheng Jie
@ -44,6 +52,12 @@ public class UserServiceImpl implements UserService {
return PageUtil.toPage(page.map(userMapper::toDto));
}
@Override
public List<UserDTO> queryAll(UserQueryCriteria criteria) {
List<User> users = userRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder));
return userMapper.toDto(users);
}
@Override
public UserDTO findById(long id) {
Optional<User> user = userRepository.findById(id);
@ -144,4 +158,25 @@ public class UserServiceImpl implements UserService {
public void updateEmail(String username, String email) {
userRepository.updateEmail(username,email);
}
@Override
public void download(List<UserDTO> queryAll, HttpServletResponse response) {
List<Map<String, Object>> list = new ArrayList<>();
for (UserDTO userDTO : queryAll) {
List roles = userDTO.getRoles().stream().map(RoleSmallDTO::getName).collect(Collectors.toList());
Map map = new LinkedHashMap();
map.put("用户名", userDTO.getUsername());
map.put("头像", userDTO.getAvatar());
map.put("邮箱", userDTO.getEmail());
map.put("状态", userDTO.getEnabled() ? "启用" : "禁用");
map.put("手机号码", userDTO.getPhone());
map.put("角色", roles);
map.put("部门", userDTO.getDept().getName());
map.put("岗位", userDTO.getJob().getName());
map.put("最后修改密码的时间", userDTO.getLastPasswordResetTime());
map.put("创建日期", userDTO.getCreateTime());
list.add(map);
}
FileUtil.downloadExcel(list, response);
}
}

3
eladmin-system/src/main/resources/logback.xml
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@ -24,7 +24,8 @@
<appender-ref ref="console" />
</logger>
<logger name="jdbc.resultsettable" level="INFO" additivity="false">
<!-- 如想看到表格数据，将OFF改为INFO -->
<logger name="jdbc.resultsettable" level="OFF" additivity="false">
<appender-ref ref="console" />
</logger>

5
pom.xml
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@ -155,6 +155,11 @@
<artifactId>ip2region</artifactId>
<version>1.7.2</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.17</version>
</dependency>
<!-- fastjson -->
<dependency>