java用map集合装从数据库返回结果,具体代码如下：

import java.sql.ResultSet;

import java.sql.ResultSetMetaData;

import java.sql.SQLException;

import java.util.HashMap;

import java.util.Map;

public class MapRowMapper implements RowMapper<Map<String,Object>> {

@Override

public Map<String, Object> mapRow(ResultSet rs) throws SQLException {

Map<String, Object> map = new HashMap<String, Object>();

ResultSetMetaData rsmd = rs.getMetaData();

for(int i = 1;i <= rsmd.getColumnCount();i++) {

String columnName = rsmd.getColumnLabel(i);

Object columnValue = rs.getObject(columnName);

map.put(columnName, columnValue);

}

return map;

}

}

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