JSONObject Javaオブジェクトの転送方法
1398 ワード
private Object json2Object(JSONObject json,Class pojo) throws Exception{
// pojo
Field [] fields = pojo.getDeclaredFields();
// Class pojo
Object obj = pojo.newInstance();
for(Field field: fields){
// ( , )
field.setAccessible(true);
//
String name = field.getName();
// JSONObject , , 。
try{
json.get(name);
}catch(Exception ex){
continue;
}
if(json.get(name) != null && !"".equals(json.getString(name))){
// , 。
if(field.getType().equals(Long.class) || field.getType().equals(long.class)){
field.set(obj, Long.parseLong(json.getString(name)));
}else if(field.getType().equals(String.class)){
field.set(obj, json.getString(name));
} else if(field.getType().equals(Double.class) || field.getType().equals(double.class)){
field.set(obj, Double.parseDouble(json.getString(name)));
} else if(field.getType().equals(Integer.class) || field.getType().equals(int.class)){
field.set(obj, Integer.parseInt(json.getString(name)));
} else if(field.getType().equals(java.util.Date.class)){
field.set(obj, Date.Parse(json.getString(name)));
}else{
continue;
}
}
}
return obj;
}