Masonry+MVC+AFNetworking動態獲取列表

本章節主要講述利用MVC架構與AF網絡，搭建獲取到該需要的信息。以這種方式實現，主要是項目結構直觀明瞭，不會像從前那樣混亂。真正從事IT，是需要把項目歸納起來，讓別人看的舒適，也讓自己在今後的維護上有更好的優勢，那麼，具體實現也是非常之簡單的，跟着我一步一步地走…

它們的目錄名以MVC方式創建（model，view，controller);

model:放置服務器的數據信息，如：jaon的請求，返回函數成功與失敗。
view：該界面展示的UI，如利用Masonry方式。
controller：控制器文件，主要寫功能，函數的調用與實現。如：model寫的請求體，在控制器加入相應代理，進行調用成功與失敗的結果，從而顯示該項目需求的功能。

也可以多一個cell文件，主要是把view層和cell聯合，view實現最外層的佈局，而cell則在view上進行佈局，實現剩餘的界面UI，進行展示描述。

具體程序如下所示：

一：Model層（device，devicebean兩個文件是該對應json數據的每個字符數，以及請求體的成功與失敗的返回）

<device.h>這個是獲取服務器json成功後的每一個對應的實際字符。

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface Device : NSObject

@property(nonatomic, strong) NSString *userid;

@property(nonatomic, strong) NSString *companyid;

@property(nonatomic, strong) NSString *devicename;

@property(nonatomic, strong) NSString *address;

@property(nonatomic, strong) NSString *lat;

@property(nonatomic, strong) NSString *lon;

@property(nonatomic, strong) NSString *isonline;

@end

NS_ASSUME_NONNULL_END

<device.m>

#import "Device.h"

@implementation Device

@end

<devicebean.h>這個是服務器設置的data裏面的數據

#import <Foundation/Foundation.h>
#import "Device.h"
#import "BaseBean.h"


NS_ASSUME_NONNULL_BEGIN

@interface DeviceBean : BaseBean

@property(nonatomic,copy) NSString *code;

@property(nonatomic,copy) NSString *message;

@property(nonatomic,copy) NSArray *data;

+(NSDictionary*)mj_objectClassInArray;


@end

NS_ASSUME_NONNULL_END

<DeviceBean.m>

#import "DeviceBean.h"

@implementation DeviceBean

+(NSDictionary*)mj_objectClassInArray{
    return @{@"data":[Device class],};
}

@end

<WifiModel.h> 這個文件主要寫json的返回函數，成功失敗的代理，以及設備的數據獲取；

#import <Foundation/Foundation.h>
#import "BaseModel.h"
#import "AFNetRequest.h"
#import "DeviceBean.h"
 
@protocol WifiModelDelegate <NSObject>

- (void)WifiSuccess:(NSString * _Nullable) result;

- (void)WifiFail:(NSString * _Nullable) result;

@end

NS_ASSUME_NONNULL_BEGIN
@interface WifiModel : BaseModel

@property(weak,nonatomic) id<WifiModelDelegate> delegate;

-(void)getAllDevice:(NSString *)userid;

//設備名稱
@property(copy,nonatomic) NSString *deviceName;
//設備RSSI的值
@property(copy,nonatomic) NSString *deviceRssi;
//設備的MAC地址
@property(copy,nonatomic) NSString *deviceAddre;

@property(assign,nonatomic) BOOL isselect;

@end
NS_ASSUME_NONNULL_END

<WifiModel.m>重點是這個，請求的函數體。所有的請求都歸根於此。要詳細的好好看看哦。

#import "WifiModel.h"

@implementation WifiModel

-(void)getAllDevice:(NSString *)userid{
    NSString *strUrl = [NSString stringWithFormat:@"%@device/getAllDevice",BASE_URL];
    NSDictionary *params = @{@"userid":userid
                             };
    [[AFNetRequest sharedInstance] setHeaderWithValue:@"xx10925"  HeaderField:@"token"];
    [[AFNetRequest sharedInstance] POST:strUrl Parameters:params Success:^(id  _Nullable responseObject){
        DeviceBean *bean = [DeviceBean mj_objectWithKeyValues:responseObject];
        if([bean.code isEqual:@"200"]){
            if([self.delegate respondsToSelector:@selector(WifiSuccess:)]){
                [self.delegate WifiSuccess:bean.data];
            }
        }else{
            if([self.delegate respondsToSelector:@selector(WifiFail:)]){
                [self.delegate WifiFail:bean.message];
            }
        }
    } Failure:^(NSError * _Nonnull error){
        if([self.delegate respondsToSelector:@selector(WifiFail:)]){
            [self.delegate WifiFail:error.localizedDescription];
        }
    } Cookie:^(NSURLSessionDataTask * _Nullable task){
        if (@available(iOS 11.0, *)) {
            NSLog(@"%@",task.accessibilityAttributedLabel);
        } else {
            // Fallback on earlier versions
        }
    }];
}



@end

二：View層(這個是總佈局)

<WifiView.h>

#import <UIKit/UIKit.h>

@interface WifiView : UIView

//設置代理
@property(nonatomic,strong) UITableView *mDeviceTb;

@end

<WifiView.m>

#import "WifiView.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 WifiView

-(instancetype) init{
    self = [super init];
    if(self){
        [self initView];
    }
    return self;
}

-(void)initView{
    self.mDeviceTb = [[UITableView alloc] init];
    [self addSubview:self.mDeviceTb];
    
    //佈局
    [self.mDeviceTb makeConstraints:^(MASConstraintMaker *make){
        make.left.equalTo(self).offset(0);
        make.right.equalTo(self).offset(0);
        make.top.equalTo(self).offset(0);
        make.bottom.equalTo(self).offset(-49);
    }];
    
}

@end

三：Cell（這個是在view外層上再進行寫該需求的樣式）

<WifiCell.h>

#import <UIKit/UIKit.h>
#import "CommonUtil.h"
@interface WifiCell : UITableViewCell

@property(nonatomic,strong) UIView *mMainVw;

@property (strong, nonatomic) UILabel *mDeviceNameLb;

@property (strong, nonatomic) UILabel *mDeviceRssiLb;

@property (strong, nonatomic) UILabel *mDeviceAddreLb;

@property(nonatomic,strong) UIImageView *mStatusIv;

@end

<WifiCell.m>

#import "WifiCell.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 WifiCell

- (void)awakeFromNib {
    [super awakeFromNib];
    // Initialization code
}

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{
    
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if(self){
        CommonUtil *cmUtil = [[CommonUtil alloc] init];
        self.mMainVw = [[UIView alloc] init];
        self.mMainVw.backgroundColor = [cmUtil stringToColor:@"#EAEAEA"];
        self.mMainVw.layer.cornerRadius = 5.f;
        self.mMainVw.clipsToBounds=YES;
        self.mMainVw.layer.shadowColor=[UIColor blackColor].CGColor;
        self.mMainVw.layer.shadowOffset=CGSizeMake(5, 5);
        self.mMainVw.layer.shadowOpacity=0.5;
        self.mMainVw.layer.shadowRadius=5;
        [self addSubview:self.mMainVw];
        
        [self.mMainVw makeConstraints:^(MASConstraintMaker *make){
            make.top.equalTo(self).offset(10);
            make.left.equalTo(self).offset(10);
            make.right.equalTo(self).offset(-10);
            make.height.equalTo(self).offset(-10);
        }];
        
        self.mStatusIv = [[UIImageView alloc] init];
        [self.mMainVw addSubview:self.mStatusIv];
        
        [self.mStatusIv makeConstraints:^(MASConstraintMaker *make){
            make.top.equalTo(self.mMainVw).offset(30);
            make.left.equalTo(self.mMainVw).offset(15);
            make.width.equalTo(@25);
            make.height.equalTo(@25);
        }];
        
        self.mDeviceNameLb = [[UILabel alloc] init];
        self.mDeviceNameLb.textColor = [UIColor blackColor];
        self.mDeviceNameLb.font = [UIFont fontWithName:@"Helvetica-Bold" size:18];
        self.mDeviceNameLb.textAlignment = NSTextAlignmentCenter;
        [self.mMainVw addSubview:self.mDeviceNameLb];
        
        [self.mDeviceNameLb makeConstraints:^(MASConstraintMaker *make){
            make.top.equalTo(self.mMainVw).offset(10);
            make.left.equalTo(self.mMainVw).offset(55);
            make.right.equalTo(self.mMainVw).offset(-10);
            make.height.equalTo(@30);
        }];
        
        self.mDeviceAddreLb = [[UILabel alloc] init];
        self.mDeviceAddreLb.textColor = [UIColor grayColor];
        self.mDeviceAddreLb.font = [UIFont fontWithName:@"Helvetica" size:14];
        self.mDeviceAddreLb.textAlignment = NSTextAlignmentCenter;
        [self.mMainVw addSubview:self.mDeviceAddreLb];
        
        [self.mDeviceAddreLb makeConstraints:^(MASConstraintMaker *make){
            make.top.equalTo(self.mDeviceNameLb).offset(40);
            make.left.equalTo(self.mMainVw).offset(58);
            make.right.equalTo(self.mMainVw).offset(-10);
            make.height.equalTo(@30);
        }];
        
    }
    
    return self;
}




- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
    [super setSelected:selected animated:animated];
    
    // Configure the view for the selected state
}

@end

四：Controller（主控制器文件，上面也描述了，就是寫他的功能文件，調用外部的數據，與其他的一些邏輯）

<WifiController.h>

#import <UIKit/UIKit.h>
#import "BaseTableViewController.h"
#import "WifiView.h"
#import "WifiModel.h"
#import "WifiCell.h"

NS_ASSUME_NONNULL_BEGIN

@interface WifiController : BaseTableViewController

@property(nonatomic,strong) WifiView *WfView;

@property(nonatomic,strong) WifiModel *WfModel;

@property(nonatomic,strong) WifiCell *WfCell;

@property(strong, nonatomic) NSMutableArray *dcList;

@end
NS_ASSUME_NONNULL_END

<WifiController.m>

#import "WifiController.h"

#define CELLIDENTIFITER "DEVICETABLEVIEWCELLS"

@interface WifiController ()<WifiModelDelegate,UITableViewDataSource, UITableViewDelegate>{
    
}
@property(nonatomic,strong) NSString *userid;
@end

@implementation WifiController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self initData];
}

//添加頭部
- (void)customContentView{
    UIColor *commonBlue = [self.commonUtil stringToColor:@"#333333"];
    [self.navigationController.navigationBar setBarTintColor:commonBlue];
    self.navigationController.navigationBar.tintColor = [UIColor whiteColor];
    self.navigationItem.title = @"WI-FI";
    
    //創建下啦刷新
    NSString *dropscan = NSLocalizedString(@"dropscan", nil);
    UIRefreshControl *rc = [[UIRefreshControl alloc] init];
    rc.attributedTitle = [[NSAttributedString alloc] initWithString:dropscan];
    [rc addTarget:self action:@selector(redreshTableView) forControlEvents:UIControlEventValueChanged];
    self.refreshControl = rc;
}


-(void)initData{
  
    [self getWfModel];
    [self getDeviceView];
    
    self.WfView.frame = self.view.bounds;
    [self.view addSubview:self.WfView];
    
    self.tableView.delegate = self;
    self.tableView.dataSource = self;
    
    UIView *view = [[UIView alloc] init];
    self.tableView.tableFooterView =view;
    self.tableView.separatorStyle = NO;//隱藏分割線
    //_userid = [[CommonUserDefaults shared] getValue:USERID];
    //得到wifi數據
    //[self.wfModel getWifiData];
}


/*
 程序加載的時候調用
 */
- (void)viewDidAppear:(BOOL)animated{
    [super viewDidAppear:animated];
    if(_userid){
        [self.WfModel getAllDevice:@"1"];
    }else{
        [self.WfModel getAllDevice:@"1"];
    }
    if (self.refreshControl.refreshing) {
        //TODO: 已經在刷新數據了
        NSLog(@"12233");
    } else {
        NSLog(@"y is %f",self.tableView.contentOffset.y);
        if (self.tableView.contentOffset.y == -64.0) {
            [UIView animateWithDuration:0.25
                                  delay:0
                                options:UIViewAnimationOptionBeginFromCurrentState
                             animations:^(void){
                                 self.tableView.contentOffset = CGPointMake(0, -self.refreshControl.frame.size.height);
                             } completion:^(BOOL finished){
                                 [self.refreshControl beginRefreshing];
                                 [self.refreshControl sendActionsForControlEvents:UIControlEventValueChanged];
                             }];
        }
    }
}

//讀取刷新TableView
-(void)redreshTableView{
    if(self.refreshControl.refreshing){
        self.refreshControl.attributedTitle = [[NSAttributedString alloc] initWithString:@"Refresh"];
        if(_userid){
            [self.WfModel getAllDevice:@"1"];
        }else{
            [self.WfModel getAllDevice:@"1"];
        }
        [self.refreshControl endRefreshing];
        self.refreshControl.attributedTitle = [[NSAttributedString alloc] initWithString:@"Down Refresh"];
        //掃描
        //[self.tableView reloadData];
        //[self stopscan];
    }
}
-(WifiView *)getDeviceView{
    if(self.WfView==nil){
        self.WfView = [[WifiView alloc] init];
        self.WfView.mDeviceTb.delegate = (id)self;
        self.WfView.mDeviceTb.dataSource = (id)self;
    }
    return self.WfView;
}

-(WifiModel*)getWfModel{
    if(self.WfModel==nil){
        self.WfModel = [[WifiModel alloc] init];
        self.WfModel.delegate = (id)self;
    }
    return self.WfModel;
}

-(NSMutableArray*)dcList{
    if(!_dcList){
        _dcList = [NSMutableArray array];
    }
    return _dcList;
}
#pragma mark
-(void)WifiSuccess:(NSArray *_Nullable) result{
   // [self.WfView.mDeviceTb.mj_header endRefreshing];
    
    if(result.count>0){
        self.dcList = [NSMutableArray arrayWithArray:result];
        [self.WfView.mDeviceTb reloadData];
        NSLog(@"d%@wo wo shi result",result);
       // [self.WfView.mDeviceTb reloadData];
    }
}
-(void)WifiFail:(NSString *_Nullable) result{
    NSLog(@"d%@uowula",result);
}

#pragma mark tableView
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    return self.dcList.count;
}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
     WifiCell *cell = [tableView dequeueReusableCellWithIdentifier:@CELLIDENTIFITER];
    if (cell == nil) {
        cell = [[WifiCell alloc] initWithStyle:UITableViewCellStyleDefault
                                 reuseIdentifier:@CELLIDENTIFITER];
    }
    [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
    cell.mMainVw.hidden = NO;
    
    if(self.dcList.count>0){
        if([indexPath row]<self.dcList.count){
            Device *device = [self.dcList objectAtIndex:indexPath.row];
            cell.mDeviceNameLb.text = device.devicename;
            cell.mDeviceAddreLb.text = device.address;
            if([device.isonline isEqualToString:@"1"]){
                [cell.mStatusIv setImage:[UIImage imageNamed:@"yes"]];
            }else{
                [cell.mStatusIv setImage:[UIImage imageNamed:@"tip"]];
            }
        }
        
    }
//    cell.mDeviceNameLb.text = @"datcva";
//    cell.mDeviceAddreLb.text = @"82:31:32:19:ab:39";
    return cell;
}
//定義列的高度
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    return 60;
}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    
}
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1;
}

//用完之後需要關閉掉
-(void)viewDidDisappear:(BOOL)animated{
    [super viewDidDisappear:animated];
    /*if ([self.deviceTimer isValid]) {
     [self.deviceTimer invalidate];
     }
     self.deviceTimer = nil;*/
}
@end

OK，本章節就講述到此爲止。利用Masonry+MVC+AFNetworking實現動態獲取列表，這樣更具清晰，代碼閱讀維護也方便，功能親測是可以的，只要各位看官跟着我一步一步來，相信是沒有問題的，代碼都在以上，如需看demo，此處是鏈接：https://download.csdn.net/download/qq_37523448/11262582

若有不懂之處或不對之處，歡迎留言以及評論，一起努力解決項目需求，謝謝您的閱讀，再見！～by

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