18禁一二三区,清纯唯美激情

需求如下：

屏幕快照 2018-09-17 下午2.41.31.png

在每個項目中，都會在請求數(shù)據(jù)為空或者網(wǎng)絡(luò)不好的時候，提示用戶當(dāng)前網(wǎng)絡(luò)狀態(tài)的占位圖。已達(dá)到效果和美觀上都給人比較好的提示。以前都是針對不同場景展示不同的站位圖片，每個用到的地方，都要自己寫一遍空視圖。由于該項目中用到的地方比較多，所以封裝了出來。使用者，直接傳入想對應(yīng)頁面的占位圖枚舉參數(shù)即可。不需要增加太多的代碼。

思路：

第一種：空視圖無非就是一個View 和一個用于展示文案的UILabel。
第二種：空視圖還可以展示一個view+一個用于刷新試圖的UIButton 按鈕。

·首先我們需要封裝一個無數(shù)據(jù)占位圖

一個項目中，無數(shù)據(jù)占位圖不光只有一種，但是可以看到他們的布局是非常相似的，所以我的做法是根據(jù)不同的值，創(chuàng)建不同的UI。

首先先要定一個一個枚舉

typedef enum{
    TimeOutEmptyType = 0,             //    網(wǎng)絡(luò)請求超時
    NoneSearchDataEmptyType,          //    暫無搜索結(jié)果
    NoneDataEmptyType,                //    暫無數(shù)據(jù)
    ErrorEmptyType,                   //    頁面出錯啦~
    LocationErrorEmptyType,           //    無法獲取位置信息
    NoNetWorkEmptyType,               //    網(wǎng)絡(luò)無法連接
    NoShopAssitantType,               //    沒有店鋪助理
    NoInspectionTemplateType,         //    沒有巡檢模版
    NoInspectionTaskType,             //    沒有巡檢任務(wù)
    NOOpenDoorDataType,               //    沒有開門數(shù)據(jù)
    NoneVisitorType,                  //    沒有拜訪者數(shù)據(jù)
    NORepairRecordDataType,           //    沒有維修記錄
    NOEMRecordDataType,               //    沒有保養(yǎng)記錄
    NoBlueToothDoor,                  //    沒有附近的門
    NoDeviceSelect,                   //    沒有選擇設(shè)備
    NoNoticeType,                     //    沒有通知記錄
    NoAnnounceType,                   //    沒有公告記錄
    NoPaymentType,                    //    沒有收費(fèi)記錄
    NoTicketType                      //    沒有工單待辦記錄

}EmptyType;

當(dāng)然這肯定不是項目中全部的空視圖，它會根據(jù)業(yè)務(wù)需求不斷的增加。
.h

@interface SCEmptyView : UIView
@property (nonatomic, strong) UIImageView *emptyImage;
@property (nonatomic, strong) UILabel *titleLab;
@property (nonatomic, strong) UILabel *subTitleLab;
@property (nonatomic, strong) UIButton* retryBtn;

提供兩個類方法，用于直接創(chuàng)建空視圖。

+ (SCEmptyView*)defaultEmptyView;
+ (SCEmptyView*)emptyViewWithImage:(UIImage*)img title:(NSString*)title subTitle:(NSString*)subTitle;

初始化空界面,返回自定義空數(shù)據(jù)View

/*!
 *  @author wyy
 *
 *  @brief 初始化空界面
 *
 *  @param icon     圖標(biāo)
 *  @param title    標(biāo)題
 *  @param subTitle 副標(biāo)題
 *  @param btnTitle 按鈕文字
 *
 *  @return 返回自定義空數(shù)據(jù)View
 */
- (SCEmptyView*)initWithFrame:(CGRect)frame icon:(NSString*)icon title:(NSString*)title subTitle:(NSString*)subTitle buttonTitle:(NSString *)btnTitle;

根據(jù)空數(shù)據(jù)原因類型獲取空界面，返回空數(shù)據(jù)View

+ (SCEmptyView*)emptyViewWithType:(EmptyType)emptyType frame:(CGRect)frame;

ok 那就來看一下具體實現(xiàn)吧。.m

@implementation SCEmptyView

- (UIView *)initWithIcon:(NSString *)icon Title:(NSString *)title ButtonTitle:(NSString *)btnTitle OtherTitles:(NSArray *)titles
{
    if (self = [self init]) {
        self.frame = CGRectMake(0, 0, kSCREEN_WIDTH, kSCREEN_HEIGHT);
        self.tag = 65535;
        CGFloat wh = 130;
        UIImageView *imgView=[[UIImageView alloc] initWithFrame:CGRectMake(kSCREEN_WIDTH*0.5-wh*0.5, 85, wh, wh)];
        if (icon != nil && ![icon isEqualToString:@""]) {
            [imgView setImage:[UIImage imageNamed:icon]];
        }
        [self addSubview:imgView];
        
        UILabel *textLabel=[[UILabel alloc] initWithFrame:CGRectMake(15, CGRectGetMaxY(imgView.frame) + 10, kSCREEN_WIDTH - 2*15, 18)];
        textLabel.textAlignment=NSTextAlignmentCenter;
        textLabel.textColor = [UIColor blackColor];
        textLabel.font = [UIFont systemFontOfSize:17];
        textLabel.numberOfLines = 0;
        textLabel.text = title;
        [textLabel sizeToFit];
        textLabel.center = CGPointMake(self.center.x, textLabel.center.y);
        
        [self addSubview:textLabel];
        
        if (titles.count > 0) {
            for (NSString *titleStr in titles) {
                
                textLabel=[[UILabel alloc] initWithFrame:CGRectMake(15, CGRectGetMaxY(textLabel.frame)+10 , kSCREEN_WIDTH - 2*15, 15)];
                textLabel.textAlignment=NSTextAlignmentCenter;
                textLabel.textColor = [UIColor blackColor];
                textLabel.font=[UIFont systemFontOfSize:14];
                textLabel.text = titleStr;
                textLabel.numberOfLines = 0;
                [textLabel sizeToFit];
                textLabel.center = CGPointMake(self.center.x, textLabel.center.y);
                [self addSubview:textLabel];
            }
        }
        
        if (btnTitle != nil && ![btnTitle isEqualToString:@""]) {
            UIButton *addNewBtn = [[UIButton alloc] initWithFrame:CGRectMake(kSCREEN_WIDTH*0.5-60, CGRectGetMaxY(textLabel.frame) + 5, 120, 38)];
            [addNewBtn setTitle:btnTitle forState:UIControlStateNormal];
            [addNewBtn setTitleColor:[UIColor greenColor] forState:UIControlStateNormal];
            addNewBtn.titleLabel.font = [UIFont systemFontOfSize:17];
             
            [addNewBtn addTarget:self action:@selector(btnClicked) forControlEvents:UIControlEventTouchUpInside];
            [self addSubview:addNewBtn];
        }
        self.backgroundColor = [UIColor SCBackGroundColor];
    }
    return self;
}

初始化

- (id)init {
    self = [super init];
    if (self) {
        [self initViews];
    }
    return self;
}

- (void)initViews {
    _emptyImage = [[UIImageView alloc] init];
    [self addSubview:_emptyImage];
    
    _titleLab = [[UILabel alloc] init];
    _titleLab.textAlignment = NSTextAlignmentCenter;
    _titleLab.textColor = COLOR(124,121,122,1);
    _titleLab.font = [UIFont systemFontOfSize:17];
    [self addSubview:_titleLab];
    
    _subTitleLab = [[UILabel alloc] init];
    _subTitleLab.textAlignment = NSTextAlignmentCenter;
    _subTitleLab.textColor = [UIColor greenColor];
    _subTitleLab.font = [UIFont systemFontOfSize:14];
    [self addSubview:_subTitleLab];
    
    [_emptyImage mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.equalTo(self.mas_centerX);
        make.top.equalTo(self.mas_top).with.offset(85);
        make.width.mas_equalTo(130);
        make.height.mas_equalTo(130);
    }];
    [_titleLab mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(_emptyImage.mas_bottom).with.offset(10);
        make.left.equalTo(self.mas_left).with.offset(15);
        make.right.equalTo(self.mas_right).with.offset(-15);
        make.height.mas_equalTo(18);
    }];
    [_subTitleLab mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(_titleLab.mas_bottom).with.offset(10);
        make.left.equalTo(self.mas_left).with.offset(15);
        make.right.equalTo(self.mas_right).with.offset(-15);
        make.height.mas_equalTo(15);
    }];
}

默認(rèn)的空視圖

+ (SCEmptyView*)defaultEmptyView {
    
    if ([[SCAppInitialize shareInstance] checkNetStatus] ==AFNetworkReachabilityStatusReachableViaWiFi || [[SCAppInitialize shareInstance] checkNetStatus] ==AFNetworkReachabilityStatusReachableViaWWAN || [[SCAppInitialize shareInstance] checkNetStatus] ==AFNetworkReachabilityStatusUnknown) {
        return [[SCEmptyView alloc] initWithIcon:@"ic_no_ticket" Title:@"暫無數(shù)據(jù)" ButtonTitle:nil OtherTitles:nil];
    }else{
        //無網(wǎng)絡(luò)
        
        return [[SCEmptyView alloc] initWithIcon:@"" Title:@"網(wǎng)絡(luò)無法連接" ButtonTitle:@"重試" OtherTitles:[NSArray arrayWithObjects:@"請檢查你的手機(jī)是否連聯(lián)網(wǎng)", nil]];
    }
    
}

+ (SCEmptyView*)emptyViewWithImage:(UIImage*)img title:(NSString*)title subTitle:(NSString*)subTitle {
    SCEmptyView *emptyView = [[SCEmptyView alloc] init];
    emptyView.emptyImage.image = img;
    emptyView.titleLab.text = title;
    emptyView.subTitleLab.text = subTitle;  
    return emptyView;
}

- (SCEmptyView*)initWithFrame:(CGRect)frame icon:(NSString*)icon title:(NSString*)title subTitle:(NSString*)subTitle buttonTitle:(NSString *)btnTitle;{
    self = [super initWithFrame:frame];
    if (self) {
        //空圖標(biāo)
        _emptyImage = [[UIImageView alloc] initWithFrame:CGRectMake((self.width-130)/2, 75, 130, 130)];
        _emptyImage.image = [UIImage imageNamed:icon];
        _emptyImage.contentMode = UIViewContentModeScaleAspectFit;
        [self addSubview:_emptyImage];
        
        //顯示標(biāo)題
        _titleLab = [[UILabel alloc] initWithFrame:CGRectMake(15, _emptyImage.bottom+10, self.width-2*15, 22)];
        _titleLab.textAlignment = NSTextAlignmentCenter;
        _titleLab.textColor = [UIColor blackColor];
        _titleLab.font = [UIFont systemFontOfSize:16];
        _titleLab.text = title;
        [self addSubview:_titleLab];
        
        //重試按鈕的頂部位置
        CGFloat top = _titleLab.bottom;
        
        //顯示副標(biāo)題
        _subTitleLab = [[UILabel alloc] initWithFrame:CGRectMake(15, _titleLab.bottom+10, self.width-2*15, 0)];
        _subTitleLab.textAlignment = NSTextAlignmentCenter;
        _subTitleLab.textColor = [UIColor blackColor];
        _subTitleLab.font = [UIFont systemFontOfSize:12];
        [self addSubview:_subTitleLab];
        
        if (subTitle.length > 0) {
            _subTitleLab.text = subTitle;
            _subTitleLab.height = 16;
            top = _subTitleLab.bottom;
        }
        
        //重試按鈕
        _retryBtn = [UIButton buttonWithType:UIButtonTypeSystem];
        _retryBtn.frame = CGRectMake((self.width-100)/2, top+15, 118, 30);
        [_retryBtn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
        [_retryBtn setBackgroundColor:[UIColor SCBlueColor]];
        _retryBtn.titleLabel.font = [UIFont systemFontOfSize:13];
        [_retryBtn addTarget:self action:@selector(btnClicked) forControlEvents:UIControlEventTouchUpInside];
        [self addSubview:_retryBtn];
        
        if (btnTitle.length > 0) {
            [_retryBtn setTitle:btnTitle forState:UIControlStateNormal];
        }else{
            _retryBtn.hidden = YES;
        }
        
    }
    return self;
}

一般我都會采用下面的方法來創(chuàng)建空視圖

+ (SCEmptyView*)emptyViewWithType:(EmptyType)emptyType frame:(CGRect)frame{
    if (emptyType == NoneDataEmptyType) {
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"ic_no_ticket" title:@"您還沒有工單哦" subTitle:@"" buttonTitle:@"返回"];
    }else if (emptyType == ErrorEmptyType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"" title:@"頁面出錯啦~" subTitle:@"" buttonTitle:@""];
    }else if (emptyType == NoNetWorkEmptyType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"" title:@"網(wǎng)絡(luò)無法連接" subTitle:@"請檢查你的手機(jī)是否聯(lián)網(wǎng)" buttonTitle:@"重試"];
    }else if (emptyType == TimeOutEmptyType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"" title:@"網(wǎng)絡(luò)請求超時" subTitle:@"" buttonTitle:@"重試"];
    }else if (emptyType == NoneSearchDataEmptyType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"" title:@"暫無搜索結(jié)果" subTitle:@"" buttonTitle:@""];
    }else if (emptyType == LocationErrorEmptyType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"" title:@"無法獲取位置信息" subTitle:@"" buttonTitle:@"重試"];
    }else if(emptyType == NoInspectionTemplateType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"scInspectionEmptyIcon" title:@"" subTitle:@"目前暫無可以選擇的設(shè)備及對應(yīng)的巡檢模板" buttonTitle:@""];
    }else if(emptyType == NoInspectionTaskType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"scInspectionEmptyTaskIcon" title:@"" subTitle:@"你還沒有巡檢任務(wù)" buttonTitle:@""];
    }else if(emptyType == NOOpenDoorDataType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"zanwumen" title:@"" subTitle:@"暫無您可通行的門" buttonTitle:@""];
    }else if(emptyType == NORepairRecordDataType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"NORepairRecordImage" title:@"" subTitle:@"暫無維修記錄" buttonTitle:@""];
    }else if(emptyType == NoBlueToothDoor){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"bluetooth" title:@"暫無附近的門" subTitle:@"" buttonTitle:@""];
    }else if(emptyType == NOEMRecordDataType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"NOEMRecordImage" title:@"" subTitle:@"暫無保養(yǎng)記錄" buttonTitle:@""];
    }else if(emptyType == NoDeviceSelect){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"sc_noDevices" title:@"目前暫無設(shè)備" subTitle:@"" buttonTitle:@""];
    }else if(emptyType == NoNoticeType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"NOEMRecordImage" title:@"暫無通知數(shù)據(jù)" subTitle:@"" buttonTitle:@""];
    }else if(emptyType == NoAnnounceType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"NOEMRecordImage" title:@"暫無公告數(shù)據(jù)" subTitle:@"" buttonTitle:@""];
    }else if(emptyType == NoPaymentType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"NOEMRecordImage" title:@"暫無收費(fèi)數(shù)據(jù)" subTitle:@"" buttonTitle:@""];
    }else if(emptyType == NoTicketType){
        return [[SCEmptyView alloc] initWithFrame:frame icon:@"NOEMRecordImage" title:@"暫無工單待辦數(shù)據(jù)" subTitle:@"" buttonTitle:@""];
    }
    return nil;
}

- (void)btnClicked
{
    if (_btnClick != nil) {
        self.btnClick();
    }
}

具體VC中加載空視圖的使用方式如下：

-(SCEmptyView *)emptyView{
    if (!_emptyView) {
        _emptyView = [SCEmptyView emptyViewWithType:NoNoticeType frame:self.view.frame];
    }
    return _emptyView;
}

比如我在Tabelview上面加載一個空視圖，就可以用上面的方式加載View。然后根據(jù)數(shù)據(jù)來管理是否隱藏和展示。

[self.tableView setBackgroundView:self.interactor.dataArrayM.count?[UIView new]:self.emptyView];

或者

第一步：
#pragma mark lazy loading
-(SCEmptyView *)emptyView{
    if(!_emptyView){
        _emptyView = [SCEmptyView emptyViewWithType:NoInspectionTaskType frame:CGRectMake(0, 50, kSCREEN_WIDTH, kSCREEN_HEIGHT)];
        _emptyView.hidden = YES;
    }
    return _emptyView;
}
第二步：
    [self.view addSubview:self.emptyView];
第三步：
    self.emptyView.hidden = self.interactor.dataArrayM.count?YES:NO;

以上就是針對項目中常用到的占位圖做了一個簡單的封裝。

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缺省頁-空視圖-站位視圖

缺省頁-空視圖-站位視圖

思路：

·首先我們需要封裝一個無數(shù)據(jù)占位圖

首先先要定一個一個枚舉

相關(guān)閱讀更多精彩內(nèi)容

友情鏈接更多精彩內(nèi)容

色偷偷精品伊人,欧洲久久精品,欧美综合婷婷骚逼,国产AV主播,国产最新探花在线,九色在线视频一区,伊人大交九 欧美,1769亚洲,黄色成人av

缺省頁-空視圖-站位視圖

思路：

·首先我們需要封裝一個無數(shù)據(jù)占位圖

首先先要定一個一個枚舉

相關(guān)閱讀更多精彩內(nèi)容

友情鏈接更多精彩內(nèi)容

色偷偷精品伊人,欧洲久久精品,欧美综合婷婷骚逼,国产AV主播,国产最新探花在线,九色在线视频一区,伊人大交九欧美,1769亚洲,黄色成人av