public static void sql() {
String url = "jdbc:msql://carthage.imaginary.com/ora";
Connection con = null;
try {
String driver = "com.imaginary.sql.msql.MsqlDriver";
Class.forName(driver).newInstance();
} catch (Exception e) {
System.out.println("Failed to load mSQL driver.");
return;
}
try {
con = DriverManager.getConnection(url, "borg", "");
Statement select = con.createStatement();
ResultSet result = select
.executeQuery("SELECT test_id, test_val FROM test");
System.out.println("Got results:");
while (result.next()) { // process results one row at a time
int key = result.getInt(1);
String val = result.getString(2);
System.out.println("key = " + key);
System.out.println("val = " + val);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (con != null) {
try {
con.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
}
我必须用 Junit 为一堆 SQL 方法做一些测试,但我不知道我能用这段代码做什么。我知道如何使用断言和预期异常,但这些在这里都没用。