55 lines
1.4 KiB
Java
55 lines
1.4 KiB
Java
|
package ink.wgink.util.jdbc;
|
||
|
|
|
||
|
|
import java.sql.ResultSet;
|
||
|
|
import java.sql.ResultSetMetaData;
|
||
|
|
import java.util.*;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @ClassName: JdbcUtil
|
||
|
|
* @Description: Jdbc
|
||
|
|
* @Author: WangGeng
|
||
|
|
* @Date: 2019-07-14 18:53
|
||
|
|
* @Version: 1.0
|
||
|
|
**/
|
||
|
|
public class JdbcUtil {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 获取单条信息
|
||
|
|
*
|
||
|
|
* @param resultSet
|
||
|
|
* @return
|
||
|
|
*/
|
||
|
|
public static Map<String, Object> getResult(ResultSet resultSet) {
|
||
|
|
List<Map<String, Object>> resultList = listResult(resultSet);
|
||
|
|
if (resultList.isEmpty()) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
return resultList.get(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 查询列表
|
||
|
|
*
|
||
|
|
* @param resultSet
|
||
|
|
* @return
|
||
|
|
*/
|
||
|
|
public static List<Map<String, Object>> listResult(ResultSet resultSet) {
|
||
|
|
List<Map<String, Object>> resultList = new ArrayList<>();
|
||
|
|
try {
|
||
|
|
ResultSetMetaData resultSetMetaData = resultSet.getMetaData();
|
||
|
|
int columnCount = resultSetMetaData.getColumnCount();
|
||
|
|
while (resultSet.next()) {
|
||
|
|
Map<String, Object> row = new LinkedHashMap<>(16);
|
||
|
|
for (int i = 0; i < columnCount; i++) {
|
||
|
|
row.put(resultSetMetaData.getColumnLabel(i + 1), resultSet.getObject(i + 1));
|
||
|
|
}
|
||
|
|
resultList.add(row);
|
||
|
|
}
|
||
|
|
} catch (Exception e) {
|
||
|
|
return new ArrayList<>();
|
||
|
|
}
|
||
|
|
return resultList;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|