package com.mafwo;import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.converter.ConverterFactory;import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;public class OrdinalToEnumConverterFactory implements ConverterFactory<String, Enum<?>> {@Override
public <T extends Enum<?>> Converter<String, T> getConverter(Class<T> targetType) {
return new OrdinalToEnum<T>(targetType);
}private class OrdinalToEnum<T extends Enum<?>> implements Converter<String, T> {private final Class<T> enumType;public OrdinalToEnum(Class<T> enumType) {
this.enumType = enumType;
}@Override
public T convert(String source) {
// 转换成数字
int ordinal = Integer.valueOf(source);if(ordinal == Integer.MIN_VALUE) {
return null;
}Object temp = null;try {Method getCode = enumType.getMethod("getCode");Object[] objects = enumType.getEnumConstants();for(Object ob: objects){Integer temps = (Integer) getCode.invoke(ob);if(temps == ordinal){temp = ob;break;
}}} catch (NoSuchMethodException e) {e.printStackTrace();
} catch (InvocationTargetException e) {e.printStackTrace();
} catch (IllegalAccessException e) {e.printStackTrace();
}
return (T) temp;
}}}

<!--注意在配置转换鼓舞之后需要在 注解驱动处声明-->
<mvc:annotation-driven conversion-service="conversionService"></mvc:annotation-driven><bean id="conversionService" class="org.springframework.context.support.ConversionServiceFactoryBean"><property name="converters"><set>
<!-- 自动将枚举类型的序列号解析称枚举类型 -->
<bean class="com.mafwo.OrdinalToEnumConverterFactory" /></set></property>
</bean>