用ResultSetMetaData :
rs = stmt.executeQuery(sql);
java.sql.ResultSetMetaData rsmd = rs.getMetaData();
String colName;
int colType;
int colLength;
int colNullType;
for (int i = 1; i <= rsmd.getColumnCount(); i++) {
colName = rsmd.getColumnName(i);
colType = rsmd.getColumnType(i);
colNullType = rsmd.isNullable(i);
....
rs = stmt.executeQuery(sql);
java.sql.ResultSetMetaData rsmd = rs.getMetaData();
String colName;
int colType;
int colLength;
int colNullType;
for (int i = 1; i <= rsmd.getColumnCount(); i++) {
colName = rsmd.getColumnName(i);
colType = rsmd.getColumnType(i);
colNullType = rsmd.isNullable(i);
....
解决方案 »
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