这篇文章主要介绍了IOS中MVC层如何读取服务器接口JSON数据，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。

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具体程序如下：

一：YSMasonryManager.h

#import #import "BaseManager.h"#import "YSMasonryModel.h"@protocol YSMasonryManagerDelegate -(void)networkSuccess:(YSMasonryModel *_Nullable)result;-(void)networkFail:(NSString *_Nullable)result;@enDNS_ASSUME_NONNULL_BEGIN@interface YSMasonryManager : BaseManager@property(weak,nonatomic) id delegate;-(void)getDeviceProile:(NSString *)limit Offset:(NSString *)offset;@endNS_ASSUME_NONNULL_END

二：YSMasonryManager.m

#import "YSMasonryManager.h"@implementation YSMasonryManager-(void)getDeviceProile:(NSString *)limit Offset:(NSString *)offset{  NSString *strUrl = [NSString stringWithFormat:@"%@api/internal/profile",DEVICE_BASE_URL];  //JSON  [PPNetworkHelper setRequestSerializer:PPRequestSerializerHTTP];  [PPNetworkHelper setResponseSerializer:PPResponseSerializerJSON];  //配置Jwt文件  [PPNetworkHelper setValue:USERJWTKEYS forHTTPHeaderField:@"Grpc-Metadata-Authorization"];  [PPNetworkHelper GET:strUrl parameters:@"" success:^(id responseObject){    YSMasonryModel *net = [YSMasonryModel mj_objectWithKeyValues:responseObject];    if(net.organizations.count>0){      if([self.delegate respondsToSelector:@selector(networkSuccess:)]){        [self.delegate networkSuccess:net];      }    }else{      if([self.delegate respondsToSelector:@selector(networkFail:)]){        [self.delegate networkFail:@"Get Fail!"];      }    }  } failure:^(NSError *error){    // NSError *newError = [NSError returnErrorWithError:error];    if([self.delegate respondsToSelector:@selector(networkFail:)]){      [self.delegate networkFail:@"cc"];    }  }];}@end

分析：

#import "BaseManager.h"//头部manager对象#import "YSMasonryModel.h"//模型层

三：YSMasonryModel.h

#import #import "BaseModel.h"#import "YSMasonryPileModel.h"NS_ASSUME_NONNULL_BEGIN@interface YSMasonryModel : BaseModel@property(nonatomic, copy) NSString *settings;@property(nonatomic, copy) NSArray *organizations;@property(nonatomic, copy) NSString *user;+(NSDictionary*)mj_objectClassInArray;@endNS_ASSUME_NONNULL_END

四：YSMasonryModel.m

#import "YSMasonryModel.h"@implementation YSMasonryModel+(NSDictionary*)mj_objectClassInArray{  return @{@"organizations":[YSMasonryPileModel class],};}@end

五：YSMasonryPileModel.h

#import #import "BaseModel.h"NS_ASSUME_NONNULL_BEGIN@interface YSMasonryPileModel : BaseModel@property(nonatomic,assign) NSString *isAdmin;@property(nonatomic, copy) NSString *organizationID;@property(nonatomic, copy) NSString *organizationName;@property(nonatomic, copy) NSString *createdAt;@property(nonatomic, copy) NSString *updatedAt;@property(nonatomic,assign) NSString *disableAssignExistingUsers;@property(nonatomic, copy) NSString *email;@property(nonatomic, copy) NSString *uid;@property(nonatomic,assign) NSString *isActive;@property(nonatomic, copy) NSString *note;@property(nonatomic,assign) NSString *sessionTTL;@property(nonatomic, copy) NSString *username;-(id)initWithDict:(NSDictionary*)dict;@endNS_ASSUME_NONNULL_END

六：YSMasonryPileModel.m

#import "YSMasonryPileModel.h"@implementation YSMasonryPileModel+ (NSDictionary *)mj_replacedKeyFromPropertyName{  return @{@"uid": @"uid"};}-(id)initWithDict:(NSDictionary*)dict{  if(self = [super init]){    self.createdAt = dict[@"createdAt"];    //@"gatewayDiscoveryEnabled":@(enable),    self.isAdmin = dict[@"isAdmin"];    self.organizationID = dict[@"organizationID"];    self.organizationName = dict[@"networkServerID"];    self.updatedAt = dict[@"updatedAt"];     self.disableAssignExistingUsers = dict[@"disableAssignExistingUsers"];    self.email = dict[@"email"];    self.uid = dict[@"id"];    self.isActive = dict[@"isActive"];    self.note = dict[@"note"];    self.sessionTTL = dict[@"sessionTTL"];    self.username = dict[@"username"];  }  return self;}@end

七：YSMasonryView.h

#import #import "BaseView.h"NS_ASSUME_NONNULL_BEGIN@interface YSMasonryView : BaseView@property(nonatomic,strong) UITableView *mDevericePile;@endNS_ASSUME_NONNULL_END

八：YSMasonryView.m

#import #import "YSMasonryView.h"#ifdef __OBJC__//define this constant if you want to use Masonry without the 'mas_' prefix#define MAS_SHORTHAND//define this constant if you want to enable auto-boxing for default syntax#define MAS_SHORTHAND_GLOBALS#import "Masonry.h"#endif@implementation YSMasonryView-(void)initView{  _mDevericePile = [[UITableView alloc] init];  _mDevericePile.separatorStyle = UITableViewCellSeparatorStyleSingleLine;  [self addSubview:_mDevericePile];  [_mDevericePile makeConstraints:^(MASConstraintMaker *make) {    make.top.equalTo(self).offset(0);    make.left.equalTo(self).offset(0);    make.right.equalTo(self).offset(0);    make.bottom.equalTo(self).offset(0);  }];}@end

九：YSMasonryCell.h

#import #import "BaseCell.h"NS_ASSUME_NONNULL_BEGIN@interface YSMasonryCell : BaseCell@property(nonatomic, strong) UIImageView *mNetImgVw;@property(nonatomic, strong) UILabel *mNetNameLb;@property(nonatomic, strong) UILabel *mNetServerLb;@property(nonatomic, strong) UILabel *mNetTimeLb;@endNS_ASSUME_NONNULL_END

十：YSMasonryCell.m

#import "YSMasonryCell.h"@implementation YSMasonryCell- (void)awakeFromNib {  [super awakeFromNib];}- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{  self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];  if(self){    UIView *mainView = [[UIView alloc] init];    mainView.layer.cornerRadius = 8;    mainView.layer.borderColor = [[UIColor grayColor] CGColor];    mainView.layer.borderWidth = 1;    [self addSubview:mainView];    [mainView makeConstraints:^(MASConstraintMaker *make){      make.left.equalTo(self).offset(10);      make.right.equalTo(self).offset(-10);      make.top.equalTo(self).offset(10);      make.bottom.equalTo(self).offset(-10);    }];    _mNetImgVw = [[UIImageView alloc] init];    [mainView addSubview:_mNetImgVw];    [_mNetImgVw makeConstraints:^(MASConstraintMaker *make){      make.centerY.equalTo(self);      make.left.equalTo(self).offset(20);      make.width.equalTo(@25);      make.height.equalTo(@25);    }];    //Net名称    _mNetNameLb = [[UILabel alloc] init];    _mNetNameLb.textColor = [UIColor grayColor];    _mNetNameLb.font = [UIFont fontWithName:@"Helvetica-Bold" size:16];    _mNetNameLb.textAlignment = NSTextAlignmentLeft;    [mainView addSubview:_mNetNameLb];    [_mNetNameLb makeConstraints:^(MASConstraintMaker *make){      make.top.equalTo(mainView).offset(5);      make.left.equalTo(self.mNetImgVw).offset(35);      make.right.equalTo(mainView).offset(-5);      make.height.equalTo(@30);    }];    //创建时间    _mNetTimeLb = [[UILabel alloc] init];    _mNetTimeLb.textColor = [UIColor grayColor];    _mNetTimeLb.font = [UIFont fontWithName:@"Helvetica-Bold" size:14];    _mNetTimeLb.textAlignment = NSTextAlignmentRight;    [mainView addSubview:_mNetTimeLb];    [_mNetTimeLb makeConstraints:^(MASConstraintMaker *make){      make.top.equalTo(mainView).offset(10);      make.right.equalTo(mainView).offset(-10);      make.width.equalTo(@160);      make.height.equalTo(@30);    }];    //端口号    _mNetServerLb = [[UILabel alloc] init];    _mNetServerLb.textColor = [UIColor grayColor];    _mNetServerLb.font = [UIFont fontWithName:@"Helvetica-Bold" size:16];    _mNetServerLb.textAlignment = NSTextAlignmentLeft;    [mainView addSubview:_mNetServerLb];    [_mNetServerLb makeConstraints:^(MASConstraintMaker *make){      make.bottom.equalTo(self).offset(-15);      make.left.equalTo(self.mNetImgVw).offset(35);      make.right.equalTo(mainView).offset(-10);      make.height.equalTo(@30);    }];  }  return self;}- (void)setSelected:(BOOL)selected animated:(BOOL)animated {  [super setSelected:selected animated:animated];}@end

十一：YSMasonryContller.h

#import #import "BaseViewController.h"#import "YSMasonryView.h"#import "YSMasonryCell.h"#import "YSMasonryManager.h"#import "YSMasonryPileModel.h"#import "MBProgressHUD.h"#import "MJRefresh.h"#import "WHToast.h"NS_ASSUME_NONNULL_BEGIN@interface YSMasonryContller : BaseViewController@property(nonatomic,strong) YSMasonryView *lgdView;@property(nonatomic, strong) YSMasonryManager *lgdManager;@property(strong, nonatomic) NSMutableArray *dataList;@property (strong,nonatomic) MBProgressHUD *hud;@property(nonatomic, strong) YSMasonryPileModel *model;@property(nonatomic, strong) NSString *organizations;@property(assign,nonatomic) int limit;@property(assign,nonatomic) int offsert;@endNS_ASSUME_NONNULL_END

十二：YSMasonryContller.m

#import #import "YSMasonryContller.h"#define CELLIDENTIFITER "NETTABLEVIEWCELL"@interface YSMasonryContller()@end@implementation YSMasonryContller- (void)viewDidLoad {  [super viewDidLoad];  [self initData];}//头部标题a- (void)customContentView{  UIColor *commonBlue = [self.commonUtil stringToColor:@"#333333"];  [self.navigationController.navigationBar setBarTintColor:commonBlue];  self.navigationController.navigationBar.tintColor = [UIColor whiteColor];  self.navigationItem.title = @"NetWork Server";}- (void)customNavigationLeftItem{  UIBarButtonItem *item = [[UIBarButtonItem alloc] initWithTitle:@"Back" style:UIBarButtonItemStylePlain target:nil action:nil];  self.navigationItem.backBarButtonItem = item;}-(void)customNavigationRightItem{  UIBarButtonItem *add = [[UIBarButtonItem alloc] initWithTitle:@"Add" style:UIBarButtonItemStylePlain target:self action:@selector(onAddClick)];  add.tintColor = [UIColor whiteColor];  self.navigationItem.rightBarButtonItem = add;}-(void)initData{  UIView *view = [[UIView alloc] init];  self.lgdView.mDevericePile.tableFooterView = view;  self.lgdView.frame = self.view.bounds;  [self.view addSubview:self.lgdView];  _limit = 5;  _offsert = 0;}//启动时的运行数据- (void)viewDidAppear:(BOOL)animated{  [super viewDidAppear:animated];  //加载数据  NSString *slimit = [NSString stringWithFormat:@"%d",_limit];  NSString *soffset = [NSString stringWithFormat:@"%d",_offsert];  [self.lgdManager getDeviceProile:slimit Offset:soffset];}-(YSMasonryView*)lgdView{  if(_lgdView==nil){    _lgdView = [[YSMasonryView alloc] init];    _lgdView.mDevericePile.dataSource = (id)self;    _lgdView.mDevericePile.delegate = (id)self;  }  return _lgdView;}-(YSMasonryManager*)lgdManager{  if(_lgdManager==nil){    _lgdManager = [[YSMasonryManager alloc] init];    _lgdManager.delegate = (id)self;  }  return _lgdManager;}-(NSMutableArray*)dataList{  if(_dataList==nil){    _dataList = [NSMutableArray array];  }  return _dataList;}#pragma mark get network data-(void)networkSuccess:(YSMasonryModel *_Nullable)result{  [self.lgdView.mDevericePile.mj_header endRefreshing];  [self.lgdView.mDevericePile.mj_footer endRefreshing];  self.dataList = [NSMutableArray arrayWithArray:result.organizations];  [self.lgdView.mDevericePile reloadData];}-(void)networkFail:(NSString *_Nullable)result{  [self.lgdView.mDevericePile.mj_header endRefreshing];  [self.lgdView.mDevericePile.mj_footer endRefreshing];  [WHToast showMessage:result originY:500 duration:2 finishHandler:^{  }];}#pragma mark tableView-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{  return self.dataList.count;}- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {  YSMasonryCell *cell = [tableView dequeueReusableCellWithIdentifier:@CELLIDENTIFITER];  if(cell==nil){    cell = [[YSMasonryCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@CELLIDENTIFITER];  }  if(_dataList.count>0){    YSMasonryPileModel *model = [[YSMasonryPileModel alloc] initWithDict:[self.dataList objectAtIndex:indexPath.row]];    if(model!=nil){      //cell.mNetImgVw.image = [UIImage imageNamed:@"net"];      // cell.mNetNameLb.text = model.isAdmin;      // cell.mNetTimeLb.text = [self dateAndStrings:model.createdAt];      cell.mNetServerLb.text = @"vv";    }  }  return cell;}-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{  if(_dataList.count>0){    YSMasonryPileModel *model = [[YSMasonryPileModel alloc] initWithDict:[self.dataList objectAtIndex:indexPath.row]];    if(model!=nil){      // [self updateNetWorkServer:model.deviceprolieid];    }  }}-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{  return 100;}-(NSString*)dateAndStrings:(NSString*)date{  if(date!=nil){    NSArray *strtime = [date componentsSeparatedByString:@"T"];    //NSString *strtime = [date stringByReplacingOccurrencesOfString:@"T" withString:@" "];    return strtime[0];  }  return @"None";}//添加add设备-(void)onAddClick{}@end

十三：所用到的常量一些定义：

Constants.h

#import #define BASE_URL @"http://110.22.33/ilLoRaWan/"#define USERJWTKEYS @"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJsb3JhLWFwcC1zZXJ2ZXIiLCJhdWQiOiJsb3JhLWFwc"

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