/**
* 将请求参数封装成Map对象
*
* @param json 参数
* @return Object
*/
public static Map wrapMap(String json) {
if (json == null) return null;
ObjectMapper mapper = new ObjectMapper();
mapper.getDeserializationConfig().disable(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES);
mapper.getDeserializationConfig().setDateFormat(new DateFormat());
try {
return mapper.readValue(json, TypeFactory.mapType(HashMap.class, String.class, Object.class));
} catch (Exception e) {
logger.error(getExceptionMessage(e));
return null;
}
}
/**
* 将请求参数map封装成Bean对象
*
* @param request 请求对象
* @param cls 类class
* @return Object
*/
public static <T> T wrapBean(Class<T> cls, HttpServletRequest request) {
try {
T obj = cls.newInstance();
if (obj instanceof Map) {
BeanUtils.populate(obj, request.getParameterMap());
} else {
setBeanProperty(obj, request.getParameterMap());
}
return obj;
} catch (Exception e) {
logger.error(getExceptionMessage(e));
return null;
}
}
/**
* 将请求参数的parameterMap设置到bean对象的属性中
*
* @param obj bean对象
* @param map request.getParameterMap()
*/
private static void setBeanProperty(Object obj, Map map) {
if (map == null) return;
for (Object o : map.entrySet()) {
Map.Entry entry = (Map.Entry) o;
String key = (String) entry.getKey();
String[] values = null;
String value = null;
Object object = entry.getValue();
if (object != null) {
if (object.getClass() == String[].class) {
values = (String[]) object;
value = values[0];
} else if (object.getClass() == String.class) {
values = new String[]{(String) object};
value = (String) object;
}
}
//String[] values = (String[]) entry.getValue();
if (!PropertyUtils.isWriteable(obj, key)) continue;
try {
Class cls = PropertyUtils.getPropertyType(obj, key);
if (cls == null) continue;
//String value = (values != null && values.length > 0) ? values[0] : null;
if (cls == String.class) PropertyUtils.setProperty(obj, key, value);
else if (cls == String[].class) PropertyUtils.setProperty(obj, key, values);
else if (cls == BigDecimal.class) PropertyUtils.setProperty(obj, key, BeanUtil.toBigDecimal(value));
else if (cls == BigDecimal[].class) PropertyUtils.setProperty(obj, key, BeanUtil.toBigDecimal(values));
else if (cls == BigInteger.class) PropertyUtils.setProperty(obj, key, BeanUtil.toBigInteger(value));
else if (cls == BigInteger[].class) PropertyUtils.setProperty(obj, key, BeanUtil.toBigInteger(values));
else if (cls == Boolean.class) PropertyUtils.setProperty(obj, key, BeanUtil.toBoolean(value));
else if (cls == Boolean[].class) PropertyUtils.setProperty(obj, key, BeanUtil.toBoolean(values));
else if (cls == Double.class) PropertyUtils.setProperty(obj, key, BeanUtil.toDouble(value));
else if (cls == Double[].class) PropertyUtils.setProperty(obj, key, BeanUtil.toDouble(values));
else if (cls == Float.class) PropertyUtils.setProperty(obj, key, BeanUtil.toFloat(value));
else if (cls == Float[].class) PropertyUtils.setProperty(obj, key, BeanUtil.toFloat(values));
else if (cls == Integer.class) PropertyUtils.setProperty(obj, key, BeanUtil.toInteger(value));
else if (cls == Integer[].class) PropertyUtils.setProperty(obj, key, BeanUtil.toInteger(values));
else if (cls == Long.class) PropertyUtils.setProperty(obj, key, BeanUtil.toLong(value));
else if (cls == Long[].class) PropertyUtils.setProperty(obj, key, BeanUtil.toLong(values));
else if (cls == Short.class) PropertyUtils.setProperty(obj, key, BeanUtil.toShort(value));
else if (cls == Short[].class) PropertyUtils.setProperty(obj, key, BeanUtil.toShort(values));
else if (cls == Byte.class) PropertyUtils.setProperty(obj, key, BeanUtil.toByte(value));
else if (cls == Byte[].class) PropertyUtils.setProperty(obj, key, BeanUtil.toByte(values));
else if (cls == Date.class) PropertyUtils.setProperty(obj, key, BeanUtil.toDate(value));
else if (cls == Date[].class) PropertyUtils.setProperty(obj, key, BeanUtil.toDate(values));
} catch (Exception e) {
logger.error(getExceptionMessage(e));
}
}
}
/**
* 设置对象的属性
*
* @param obj
* @param field
* @param value
*/
public static void setProperty(Object obj, Field field, String value) {
try {
if (field.getType() == String.class) PropertyUtils.setProperty(obj, field.getName(), value);
else if (field.getType() == BigDecimal.class)
PropertyUtils.setProperty(obj, field.getName(), BeanUtil.toBigDecimal(value));
else if (field.getType() == BigInteger.class)
PropertyUtils.setProperty(obj, field.getName(), BeanUtil.toBigInteger(value));
else if (field.getType() == Boolean.class)
PropertyUtils.setProperty(obj, field.getName(), BeanUtil.toBoolean(value));
else if (field.getType() == Double.class)
PropertyUtils.setProperty(obj, field.getName(), BeanUtil.toDouble(value));
else if (field.getType() == Float.class)
PropertyUtils.setProperty(obj, field.getName(), BeanUtil.toFloat(value));
else if (field.getType() == Integer.class)
PropertyUtils.setProperty(obj, field.getName(), BeanUtil.toInteger(value));
else if (field.getType() == Long.class)
PropertyUtils.setProperty(obj, field.getName(), BeanUtil.toLong(value));
else if (field.getType() == Short.class)
PropertyUtils.setProperty(obj, field.getName(), BeanUtil.toShort(value));
else if (field.getType() == Byte.class)
PropertyUtils.setProperty(obj, field.getName(), BeanUtil.toByte(value));
else if (field.getType() == Date.class)
PropertyUtils.setProperty(obj, field.getName(), BeanUtil.toDate(value));
} catch (Exception e) {
logger.error(getExceptionMessage(e));
}
}
/**
* 将以json方式提交的字符串封装成Bean对象
*
* @param json json对象
* @param cls bean的class
* @return Object
*/
public static <T> T wrapBean(Class<T> cls, String json) {
if (json == null) return null;
ObjectMapper mapper = new ObjectMapper();
mapper.getDeserializationConfig().disable(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES);
mapper.getDeserializationConfig().setDateFormat(new DateFormat());
try {
return mapper.readValue(json, cls);
} catch (Exception e) {
logger.error(getExceptionMessage(e));
return null;
}
}
/**
* 将以json方式提交的字符串封装成Bean对象
*
* @param json json对象
* @param javaType bean的class
* @return Object
*/
@SuppressWarnings({"unchecked"})
public static <T> T wrapBean(JavaType javaType, String json) {
if (json == null) return null;
ObjectMapper mapper = new ObjectMapper();
mapper.getDeserializationConfig().disable(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES);
mapper.getDeserializationConfig().setDateFormat(new DateFormat());
try {
return (T) mapper.readValue(json, javaType);
} catch (Exception e) {
logger.error(getExceptionMessage(e));
return null;
}
}
/**
* 将json 数组封装成 arrays
*
* @param json json数组
* @param cls 类名
* @return T[]
*/
@SuppressWarnings({"unchecked"})
public static <T> T wrapArray(Class cls, String json) {
if (json == null) return null;
return (T) wrapBean(TypeFactory.arrayType(cls), json);
}
/**
* 将以json方式提交的字符串封装成Bean集合
*
* @param jsonArray json数组
* @param cls bean的class
* @return List
*/
public static <T> List<T> wrapBeanList(Class<T> cls, String jsonArray) {
if (jsonArray == null) return null;
ObjectMapper mapper = new ObjectMapper();
mapper.getDeserializationConfig().disable(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES);
mapper.getDeserializationConfig().setDateFormat(new DateFormat());
try {
return mapper.readValue(jsonArray, TypeFactory.collectionType(List.class, cls));
} catch (Exception e) {
logger.error(getExceptionMessage(e));
return null;
}
}
/**
* 对象转换json字符串
*
* @param obj 对象
* @return String
*/
public static String toJsonString(Object obj) {
if (obj == null) return null;
ObjectMapper mapper = new ObjectMapper(); // can reuse, share globally
mapper.getSerializationConfig().setSerializationInclusion(JsonSerialize.Inclusion.NON_NULL);
mapper.getSerializationConfig().disable(SerializationConfig.Feature.WRITE_NULL_MAP_VALUES);
mapper.configure(SerializationConfig.Feature.WRITE_DATES_AS_TIMESTAMPS, false);
// mapper.configure(JsonParser.Feature.ALLOW_SINGLE_QUOTES, true);//为true表示允许单引号
// mapper.configure(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES, true);//为true表示允许无引号包括的字段
// mapper.getSerializationConfig().setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
mapper.getSerializationConfig().setDateFormat(new DateFormat("yyyy-MM-dd HH:mm:ss"));
CustomSerializerFactory sf = new CustomSerializerFactory();
// sf.addSpecificMapping(Long.class, new LongSerializer());
// sf.addSpecificMapping(Double.class,new DoubleSerializer());
sf.addSpecificMapping(TIMESTAMP.class, new TimeStampSerializer());
mapper.setSerializerFactory(sf);
try {
StringWriter sb = new StringWriter();
mapper.writeValue(sb, obj);
return sb.toString();
} catch (Exception e) {
logger.error(getExceptionMessage(e));
return null;
}
}