public void format(){
		StringBuilder sbClass = new StringBuilder();
		StringBuilder sbTable = new StringBuilder();
		int endPosition = fileds.size()-1;
		for (int i = 0; i < fileds.size(); i++) {
			ModelFiledDesc mfd = fileds.get(i);
			if(i < endPosition){
				sbClass.append(mfd.getFiledType()+" "+mfd.getFiledName()+", ");
				sbTable.append(mfd.getTableFiledName()+", ");
			}else{
				sbClass.append(mfd.getFiledType()+" "+mfd.getFiledName()+" ");
				sbTable.append(mfd.getTableFiledName()+" ");
			}
		}
		classFieldString = sbClass.toString();
		tableFieldString = sbTable.toString();
		System.out.println(classFieldString);
		System.out.println(tableFieldString);
	}