add message exercises

GIGA/Modules/Mask/Exercises/Model/GiGaQuestionModel.h

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+//
+//  GiGaQuestionModel.h
+//  GIGA
+//
+//  Created by lianxiang on 2018/8/23.
+//  Copyright © 2018年 com.giga.ios. All rights reserved.
+//
+
+#import <JSONModel/JSONModel.h>
+
+@interface GiGaQuestionModel : JSONModel
+
+//统计题数总量
+@property (nonatomic, copy) NSString *totalCount;
+
+//试题id
+@property (nonatomic, copy) NSString *questionid;
+
+//试题标题
+@property (nonatomic, copy) NSString *question;
+
+//题目类型（1单选题 2多选题 3判断题 4填空题 5简答题） 
+@property (nonatomic, copy) NSString *questiontype;
+
+//题目类型文本（单选题、多选题、判断题、填空题、简答题）
+@property (nonatomic, copy) NSString *questiontype_text;
+
+//选项数量
+@property (nonatomic, copy) NSString *questionselectnumber;
+
+//用户填写的答案
+@property (nonatomic, strong) NSMutableArray *userAnswer;
+
+//答案选项
+@property (nonatomic, strong) NSMutableArray *tkselect;
+
+//正确答案（单选题、多选题、判断题）
+@property (nonatomic, copy) NSString *trueanswer;
+
+//答案分析
+@property (nonatomic, copy) NSString *questiondescribe;
+
+@end

GIGA/Modules/Mask/Exercises/Model/GiGaQuestionModel.m

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+//
+//  GiGaQuestionModel.m
+//  GIGA
+//
+//  Created by lianxiang on 2018/8/23.
+//  Copyright © 2018年 com.giga.ios. All rights reserved.
+//
+
+#import "GiGaQuestionModel.h"
+
+@implementation GiGaQuestionModel
+
+@end