导出库表支持建表语句的导出

This commit is contained in:
暮光:城中城
2021-01-31 22:04:27 +08:00
parent b252eeb33b
commit 8a3f40c394
9 changed files with 136 additions and 35 deletions

View File

@@ -41,6 +41,7 @@ import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.util.*;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* 文档控制器
@@ -251,44 +252,67 @@ public class DatabaseDocController {
}
@PostMapping(value = "/exportDatabase")
public ResponseJson exportDatabase(HttpServletResponse response, Long sourceId, String dbName, String tableNames, Integer exportType) {
public ResponseJson exportDatabase(HttpServletResponse response, Long sourceId, String dbName, String tableNames, Integer exportType, Integer exportFormat) {
this.judgeAuth(sourceId, DbAuthType.VIEW.getName(), "没有查看该库表信息的权限");
if (StringUtils.isBlank(tableNames)) {
return DocDbResponseJson.warn("请选择需要导出的表");
}
List<String> tableNameList = Stream.of(tableNames.split(",")).filter(StringUtils::isNotBlank).collect(Collectors.toList());
if (Objects.equals(exportType, 1)) {
return this.exportForTableDoc(response, sourceId, dbName, tableNameList, exportFormat);
} else if (Objects.equals(exportType, 2)) {
return this.exportForTableDdl(response, sourceId, dbName, tableNameList, exportFormat);
}
return DocDbResponseJson.ok();
}
private DocDbResponseJson exportForTableDdl(HttpServletResponse response, Long sourceId, String dbName, List<String> tableNameList, Integer exportFormat) {
BaseMapper baseMapper = this.getViewAuthBaseMapper(sourceId);
DatabaseFactoryBean databaseFactoryBean = databaseRegistrationBean.getOrCreateFactoryById(sourceId);
DatabaseProduct databaseProduct = databaseFactoryBean.getDatabaseProduct();
Map<String, String> ddlSqlMap = new HashMap<>();
for (String tableName : tableNameList) {
Map<String, String> dataMap = baseMapper.getTableDdl(dbName, tableName);
// 不同数据源类型获取方式不一致
if (Objects.equals(DatabaseProduct.MYSQL, databaseProduct)) {
ddlSqlMap.put(tableName, dataMap.get("Create Table"));
}
}
try {
PoiUtil.exportByDdl(ddlSqlMap, dbName, databaseProduct.name(), response);
} catch (Exception e) {
e.printStackTrace();
return DocDbResponseJson.error("导出失败:" + e.getMessage());
}
return DocDbResponseJson.ok();
}
private DocDbResponseJson exportForTableDoc(HttpServletResponse response, Long sourceId, String dbName, List<String> tableNameList, Integer exportFormat) {
DatabaseFactoryBean databaseFactoryBean = databaseRegistrationBean.getOrCreateFactoryById(sourceId);
if (databaseFactoryBean == null) {
return DocDbResponseJson.warn("未找到对应的数据库连接");
}
List<TableInfoVo> tableList = new LinkedList<>();
Map<String, List<TableColumnDescDto>> columnList = new HashMap<>();
String[] tableNameArr = tableNames.split(",");
for (String tableName : tableNameArr) {
if (StringUtils.isBlank(tableName)) {
continue;
}
for (String tableName : tableNameList) {
TableColumnVo tableColumnVo = this.getTableColumnVo(databaseFactoryBean, dbName, tableName);
columnList.put(tableName, tableColumnVo.getColumnList());
tableList.add(tableColumnVo.getTableInfo());
}
DatabaseExportVo exportVo = new DatabaseExportVo();
exportVo.setColumnList(columnList);
exportVo.setTableList(tableList);
try {
if (Objects.equals(exportType, 1)) {
DatabaseExportVo exportVo = new DatabaseExportVo(columnList, tableList);
if (Objects.equals(exportFormat, 1)) {
PoiUtil.exportByText(exportVo, response);
} else if (Objects.equals(exportType, 2)) {
} else if (Objects.equals(exportFormat, 2)) {
PoiUtil.exportByXlsx(exportVo, response);
} else if (Objects.equals(exportType, 3)) {
} else if (Objects.equals(exportFormat, 3)) {
PoiUtil.exportByDocx(dbName, exportVo, response);
} else {
return DocDbResponseJson.error("导出失败:请先选择导出类型");
}
return DocDbResponseJson.error("导出失败:请先选择导出类型");
} catch (Exception e) {
e.printStackTrace();
return DocDbResponseJson.error("导出失败:" + e.getMessage());
}
return DocDbResponseJson.ok();
}
private TableColumnVo getTableColumnVo(DatabaseFactoryBean databaseFactoryBean, String dbName, String tableName) {

View File

@@ -11,7 +11,12 @@ public class DatabaseExportVo {
private Map<String, List<TableColumnDescDto>> columnList;
private List<TableInfoVo> tableList;
public DatabaseExportVo(Map<String, List<TableColumnDescDto>> columnList, List<TableInfoVo> tableList) {
this.columnList = columnList;
this.tableList = tableList;
}
public Map<String, List<TableColumnDescDto>> getColumnList() {
return columnList;
}

View File

@@ -70,7 +70,12 @@ public class DatasourceUtil {
return null;
}
// 数据源配置
DruidDataSource dataSource = DruidDataSourceUtil.createDataSource(dbDatasource.getDriverClassName(), dbDatasource.getSourceUrl(), dbDatasource.getSourceName(), dbDatasource.getSourcePassword(), breakAfterAcquireFailure);
DruidDataSource dataSource = DruidDataSourceUtil.createDataSource(dbDatasource.getDriverClassName(), dbDatasource.getSourceUrl(), dbDatasource.getSourceName(), dbDatasource.getSourcePassword(), false);
if (breakAfterAcquireFailure) {
dataSource.close();
// 先关闭会自动关闭的数据源,再创建一个会重连的
dataSource = DruidDataSourceUtil.createDataSource(dbDatasource.getDriverClassName(), dbDatasource.getSourceUrl(), dbDatasource.getSourceName(), dbDatasource.getSourcePassword(), true);
}
// 创建sqlSessionTemplate
SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
sqlSessionFactoryBean.setDataSource(dataSource);

View File

@@ -31,6 +31,36 @@ import java.util.Map;
*/
public class PoiUtil {
/**
* 导出为ddl
*
* @param ddlSqlMap
* @param response
* @throws Exception
*/
public static void exportByDdl(Map<String, String> ddlSqlMap, String dbName, String dbType, HttpServletResponse response) throws Exception {
String fileName = URLEncoder.encode("建表语句导出", "UTF-8");
response.setContentType("application/octet-stream");
response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".sql");
response.setCharacterEncoding("utf-8");
// 将文件输入流写入response的输出流中
StringBuilder ddlSqlSb = new StringBuilder("/*\n" +
" zyplayer-doc-db 数据库建表语句导出\n" +
"\n" +
" 数据库 : " + dbName + "\n" +
" 数据库类型 : " + dbType + "\n" +
" 导出时间 : " + DateTime.now().toString() + "\n" +
"*/\n\n");
for (Map.Entry<String, String> entry : ddlSqlMap.entrySet()) {
ddlSqlSb.append("-- ----------------------------\n")
.append("-- 表结构:" + entry.getKey() + "\n")
.append("-- ----------------------------\n")
.append("DROP TABLE IF EXISTS `" + entry.getKey() + "`;\n")
.append(entry.getValue()).append(";\n\n");
}
IoUtil.write(response.getOutputStream(), "utf-8", true, ddlSqlSb.toString());
}
/**
* 导出为Text
*