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源代码在线查看: e238. listing all available parameters for creating a jdbc connection.txt

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相关代码

				Driver.getPropertyInfo() returns a list of all available properties that can be supplied when using the driver to create a JDBC connection. This list can be displayed to the user. 
				    try {
				        // Load the driver
				        String driverName = "org.gjt.mm.mysql.Driver"; // MySQL MM JDBC driver
				        Class.forName(driverName);
				    
				        // Get the Driver instance
				        String url = "jdbc:mysql://a/b";
				        Driver driver = DriverManager.getDriver(url);
				    
				        // Get available properties
				        DriverPropertyInfo[] info = driver.getPropertyInfo(url, null);
				        for (int i=0; i				            // Get name of property
				            String name = info[i].name;
				    
				            // Is property value required?
				            boolean isRequired = info[i].required;
				    
				            // Get current value
				            String value = info[i].value;
				    
				            // Get description of property
				            String desc = info[i].description;
				    
				            // Get possible choices for property; if null, value can be any string
				            String[] choices = info[i].choices;
				        }
				    } catch (ClassNotFoundException e) {
				       // Could not find the database driver
				    } catch (SQLException e) {
				    }
				
				Here's the property values for the MySql driver: 
				    Name(isRequired): Description
				        default: default value
				        choices: ...
				    
				    HOST(true): Hostname of MySQL Server
				        default: a
				    
				    PORT(false): Port number of MySQL Server
				        default: 3306
				    
				    DBNAME(false): Database name
				        default: b
				    
				    user(true): Username to authenticate as
				        default: null
				    
				    password(true): Password to use for authentication
				        default: null
				    
				    autoReconnect(false): Should the driver try to re-establish bad connections?
				        default: false
				        choices: true, false
				    
				    maxReconnects(false): Maximum number of reconnects to attempt if autoReconnect is true
				        default: 3
				    
				    initialTimeout(false): Initial timeout (seconds) to wait between failed connections
				        default: 2
				
				 Related Examples 
				
							

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