* 添加可以将字符串转换到原子类型的辅助转换器
*/
protected void addStringSourceConverters()
{
//基本类型及其包装类型
addConverter(String.class, Boolean.class, new BooleanConverter());
addConverter(String.class, Byte.class, new ByteConverter());
addConverter(String.class, Character.class, new CharacterConverter());
addConverter(String.class, Double.class, new DoubleConverter());
addConverter(String.class, Float.class, new FloatConverter());
addConverter(String.class, Integer.class, new IntegerConverter());