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liuyingfang
2023-11-13 15:14:09 +08:00
parent 3953b18554
commit 24bcc09bc2
413 changed files with 35183 additions and 27 deletions
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40
eladmin-generator/src/main/java/me/zhengjie/service/GenConfigService.java Normal file
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/*
* Copyright 2019-2020 Zheng Jie
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package me.zhengjie.service;
import me.zhengjie.domain.GenConfig;
/**
* @author Zheng Jie
* @date 2019-01-14
*/
public interface GenConfigService {
/**
* 查询表配置
* @param tableName 表名
* @return 表配置
*/
GenConfig find(String tableName);
/**
* 更新表配置
* @param tableName 表名
* @param genConfig 表配置
* @return 表配置
*/
GenConfig update(String tableName, GenConfig genConfig);
}

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eladmin-generator/src/main/java/me/zhengjie/service/GeneratorService.java Normal file
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/*
* Copyright 2019-2020 Zheng Jie
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package me.zhengjie.service;
import me.zhengjie.domain.GenConfig;
import me.zhengjie.domain.ColumnInfo;
import org.springframework.http.ResponseEntity;
import org.springframework.scheduling.annotation.Async;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
/**
* @author Zheng Jie
* @date 2019-01-02
*/
public interface GeneratorService {
/**
* 查询数据库元数据
* @param name 表名
* @param startEnd 分页参数
* @return /
*/
Object getTables(String name, int[] startEnd);
/**
* 得到数据表的元数据
* @param name 表名
* @return /
*/
List<ColumnInfo> getColumns(String name);
/**
* 同步表数据
* @param columnInfos /
* @param columnInfoList /
*/
void sync(List<ColumnInfo> columnInfos, List<ColumnInfo> columnInfoList);
/**
* 保持数据
* @param columnInfos /
*/
void save(List<ColumnInfo> columnInfos);
/**
* 获取所有table
* @return /
*/
Object getTables();
/**
* 代码生成
* @param genConfig 配置信息
* @param columns 字段信息
*/
void generator(GenConfig genConfig, List<ColumnInfo> columns);
/**
* 预览
* @param genConfig 配置信息
* @param columns 字段信息
* @return /
*/
ResponseEntity<Object> preview(GenConfig genConfig, List<ColumnInfo> columns);
/**
* 打包下载
* @param genConfig 配置信息
* @param columns 字段信息
* @param request /
* @param response /
*/
void download(GenConfig genConfig, List<ColumnInfo> columns, HttpServletRequest request, HttpServletResponse response);
/**
* 查询数据库的表字段数据数据
* @param table /
* @return /
*/
List<ColumnInfo> query(String table);
}

67
eladmin-generator/src/main/java/me/zhengjie/service/impl/GenConfigServiceImpl.java Normal file
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/*
* Copyright 2019-2020 Zheng Jie
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package me.zhengjie.service.impl;
import lombok.RequiredArgsConstructor;
import me.zhengjie.domain.GenConfig;
import me.zhengjie.repository.GenConfigRepository;
import me.zhengjie.service.GenConfigService;
import me.zhengjie.utils.StringUtils;
import org.springframework.stereotype.Service;
import java.io.File;
/**
* @author Zheng Jie
* @date 2019-01-14
*/
@Service
@RequiredArgsConstructor
public class GenConfigServiceImpl implements GenConfigService {
private final GenConfigRepository genConfigRepository;
@Override
public GenConfig find(String tableName) {
GenConfig genConfig = genConfigRepository.findByTableName(tableName);
if(genConfig == null){
return new GenConfig(tableName);
}
return genConfig;
}
@Override
public GenConfig update(String tableName, GenConfig genConfig) {
String separator = File.separator;
String[] paths;
String symbol = "\\";
if (symbol.equals(separator)) {
paths = genConfig.getPath().split("\\\\");
} else {
paths = genConfig.getPath().split(File.separator);
}
StringBuilder api = new StringBuilder();
for (String path : paths) {
api.append(path);
api.append(separator);
if ("src".equals(path)) {
api.append("api");
break;
}
}
genConfig.setApiPath(api.toString());
return genConfigRepository.save(genConfig);
}
}

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eladmin-generator/src/main/java/me/zhengjie/service/impl/GeneratorServiceImpl.java Normal file
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/*
* Copyright 2019-2020 Zheng Jie
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package me.zhengjie.service.impl;
import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.ZipUtil;
import lombok.RequiredArgsConstructor;
import me.zhengjie.domain.GenConfig;
import me.zhengjie.domain.ColumnInfo;
import me.zhengjie.domain.vo.TableInfo;
import me.zhengjie.exception.BadRequestException;
import me.zhengjie.repository.ColumnInfoRepository;
import me.zhengjie.service.GeneratorService;
import me.zhengjie.utils.FileUtil;
import me.zhengjie.utils.GenUtil;
import me.zhengjie.utils.PageUtil;
import me.zhengjie.utils.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
/**
* @author Zheng Jie
* @date 2019-01-02
*/
@Service
@RequiredArgsConstructor
public class GeneratorServiceImpl implements GeneratorService {
private static final Logger log = LoggerFactory.getLogger(GeneratorServiceImpl.class);
@PersistenceContext
private EntityManager em;
private final ColumnInfoRepository columnInfoRepository;
private final String CONFIG_MESSAGE = "请先配置生成器";
@Override
public Object getTables() {
// 使用预编译防止sql注入
String sql = "select table_name ,create_time , engine, table_collation, table_comment from information_schema.tables " +
"where table_schema = (select database()) " +
"order by create_time desc";
Query query = em.createNativeQuery(sql);
return query.getResultList();
}
@Override
public Object getTables(String name, int[] startEnd) {
// 使用预编译防止sql注入
String sql = "select table_name ,create_time , engine, table_collation, table_comment from information_schema.tables " +
"where table_schema = (select database()) " +
"and table_name like :table order by create_time desc";
Query query = em.createNativeQuery(sql);
query.setFirstResult(startEnd[0]);
query.setMaxResults(startEnd[1] - startEnd[0]);
query.setParameter("table", StringUtils.isNotBlank(name) ? ("%" + name + "%") : "%%");
List result = query.getResultList();
List<TableInfo> tableInfos = new ArrayList<>();
for (Object obj : result) {
Object[] arr = (Object[]) obj;
tableInfos.add(new TableInfo(arr[0], arr[1], arr[2], arr[3], ObjectUtil.isNotEmpty(arr[4]) ? arr[4] : "-"));
}
String countSql = "select count(1) from information_schema.tables " +
"where table_schema = (select database()) and table_name like :table";
Query queryCount = em.createNativeQuery(countSql);
queryCount.setParameter("table", StringUtils.isNotBlank(name) ? ("%" + name + "%") : "%%");
Object totalElements = queryCount.getSingleResult();
return PageUtil.toPage(tableInfos, totalElements);
}
@Override
public List<ColumnInfo> getColumns(String tableName) {
List<ColumnInfo> columnInfos = columnInfoRepository.findByTableNameOrderByIdAsc(tableName);
if (CollectionUtil.isNotEmpty(columnInfos)) {
return columnInfos;
} else {
columnInfos = query(tableName);
return columnInfoRepository.saveAll(columnInfos);
}
}
@Override
public List<ColumnInfo> query(String tableName) {
// 使用预编译防止sql注入
String sql = "select column_name, is_nullable, data_type, column_comment, column_key, extra from information_schema.columns " +
"where table_name = ? and table_schema = (select database()) order by ordinal_position";
Query query = em.createNativeQuery(sql);
query.setParameter(1, tableName);
List result = query.getResultList();
List<ColumnInfo> columnInfos = new ArrayList<>();
for (Object obj : result) {
Object[] arr = (Object[]) obj;
columnInfos.add(
new ColumnInfo(
tableName,
arr[0].toString(),
"NO".equals(arr[1]),
arr[2].toString(),
ObjectUtil.isNotNull(arr[3]) ? arr[3].toString() : null,
ObjectUtil.isNotNull(arr[4]) ? arr[4].toString() : null,
ObjectUtil.isNotNull(arr[5]) ? arr[5].toString() : null)
);
}
return columnInfos;
}
@Override
public void sync(List<ColumnInfo> columnInfos, List<ColumnInfo> columnInfoList) {
// 第一种情况，数据库类字段改变或者新增字段
for (ColumnInfo columnInfo : columnInfoList) {
// 根据字段名称查找
List<ColumnInfo> columns = columnInfos.stream().filter(c -> c.getColumnName().equals(columnInfo.getColumnName())).collect(Collectors.toList());
// 如果能找到，就修改部分可能被字段
if (CollectionUtil.isNotEmpty(columns)) {
ColumnInfo column = columns.get(0);
column.setColumnType(columnInfo.getColumnType());
column.setExtra(columnInfo.getExtra());
column.setKeyType(columnInfo.getKeyType());
if (StringUtils.isBlank(column.getRemark())) {
column.setRemark(columnInfo.getRemark());
}
columnInfoRepository.save(column);
} else {
// 如果找不到，则保存新字段信息
columnInfoRepository.save(columnInfo);
}
}
// 第二种情况，数据库字段删除了
for (ColumnInfo columnInfo : columnInfos) {
// 根据字段名称查找
List<ColumnInfo> columns = columnInfoList.stream().filter(c -> c.getColumnName().equals(columnInfo.getColumnName())).collect(Collectors.toList());
// 如果找不到，就代表字段被删除了，则需要删除该字段
if (CollectionUtil.isEmpty(columns)) {
columnInfoRepository.delete(columnInfo);
}
}
}
@Override
public void save(List<ColumnInfo> columnInfos) {
columnInfoRepository.saveAll(columnInfos);
}
@Override
public void generator(GenConfig genConfig, List<ColumnInfo> columns) {
if (genConfig.getId() == null) {
throw new BadRequestException(CONFIG_MESSAGE);
}
try {
GenUtil.generatorCode(columns, genConfig);
} catch (IOException e) {
log.error(e.getMessage(), e);
throw new BadRequestException("生成失败，请手动处理已生成的文件");
}
}
@Override
public ResponseEntity<Object> preview(GenConfig genConfig, List<ColumnInfo> columns) {
if (genConfig.getId() == null) {
throw new BadRequestException(CONFIG_MESSAGE);
}
List<Map<String, Object>> genList = GenUtil.preview(columns, genConfig);
return new ResponseEntity<>(genList, HttpStatus.OK);
}
@Override
public void download(GenConfig genConfig, List<ColumnInfo> columns, HttpServletRequest request, HttpServletResponse response) {
if (genConfig.getId() == null) {
throw new BadRequestException(CONFIG_MESSAGE);
}
try {
File file = new File(GenUtil.download(columns, genConfig));
String zipPath = file.getPath() + ".zip";
ZipUtil.zip(file.getPath(), zipPath);
FileUtil.downloadFile(request, response, new File(zipPath), true);
} catch (IOException e) {
throw new BadRequestException("打包失败");
}
}
}