你可以把关闭资源的方法封闭起来.
public void free()
{
//释放Statement
try {
if(stmt != null) {
stmt.close(); }
}
catch(SQLException e) {
try {
stmt.close();
}
catch(SQLException se) {
//System.out.print("释放Statement出错!");
}
}
//释放PreparedStatement
try {
if(pstmt != null) {
pstmt.close(); }
}
catch(SQLException e) {
try {
pstmt.close();
}
catch(SQLException se) {
System.out.print("释放PreparedStatement出错!");
}
}
//释放Connection
try {
if(conn != null) {
conn.close();
}
}
catch(SQLException e) {
try {
conn.close();
}
catch(SQLException se) {
{
System.out.print("释放Connection出错!");
}
}
}
}
public void free()
{
//释放Statement
try {
if(stmt != null) {
stmt.close(); }
}
catch(SQLException e) {
try {
stmt.close();
}
catch(SQLException se) {
//System.out.print("释放Statement出错!");
}
}
//释放PreparedStatement
try {
if(pstmt != null) {
pstmt.close(); }
}
catch(SQLException e) {
try {
pstmt.close();
}
catch(SQLException se) {
System.out.print("释放PreparedStatement出错!");
}
}
//释放Connection
try {
if(conn != null) {
conn.close();
}
}
catch(SQLException e) {
try {
conn.close();
}
catch(SQLException se) {
{
System.out.print("释放Connection出错!");
}
}
}
}
解决方案 »
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