📄 daodb7.java.svn-base
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package com.highsoft.dao;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import com.highsoft.database.DB7Manager;
public class DaoDB7 {
/**
*
* @param sql
* @return 返回包含hashmap的list
*/
public List select(String sql){
DB7Manager dbm=new DB7Manager();
List<HashMap> l=new ArrayList<HashMap>();
ResultSet rs=dbm.queryDB(sql);
List<String> list=new ArrayList<String>();
try {
ResultSetMetaData rsm=rs.getMetaData();
for (int i = 1; i <= rsm.getColumnCount(); i++) {
list.add(rsm.getColumnName(i));
}
} catch (SQLException e1) {
// TODO Auto-generated catch block
System.out.println(e1.getMessage());
}
try {
while(rs.next()){
HashMap<String,String> hash=new HashMap<String,String>();
for (String map : list) {
hash.put(map,rs.getObject(map)+"");
}
l.add(hash);
}
} catch (SQLException e) {
// TODO Auto-generated catch block
System.out.println(e.getMessage());
}finally{
dbm.close();
}
return l;
}
}
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