IOS常用代码块整理集合

定義：

1.按钮并切割圆角:

<#按鈕名#>.layer.borderWidth = 1.0;//邊框線長度

self.<#按鈕名#>.layer.borderColor = [UIColor grayColor].CGColor;//邊框線顏色

self.<#按鈕名#>.layer.cornerRadius=10;//切割角度半徑

self.<#按鈕名#>.layer.masksToBounds=YES;//切割部分是否隱藏


2.提醒界面

#pragma mark 提醒界面

-(void)tixingjiemian:(NSString* )name{

UIAlertController *alertController = [UIAlertController alertControllerWithTitle:name message:@"" preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDestructive handler:nil];

[alertController addAction:cancelAction];

[self presentViewController:alertController animated:YES completion:nil];

//修改title

NSMutableAttributedString *alertControllerStr = [[NSMutableAttributedString alloc] initWithString:name];

[alertControllerStr addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0, 4)];

[alertControllerStr addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:17] range:NSMakeRange(0, 4)];

[alertController setValue:alertControllerStr forKey:@"attributedTitle"];

[cancelAction setValue:[UIColor blueColor] forKey:@"titleTextColor"];

}

3.删除user defaults信息

- (void)resetDefaults

{

NSUserDefaults * defs = [NSUserDefaults standardUserDefaults];

NSDictionary * dict = [defs dictionaryRepresentation];

for (id key in dict)

{

[defs removeObjectForKey:key];

}

[defs synchronize];

}

4.快捷创建屏幕尺寸

/** 屏幕尺寸参数 */

#define SCREEN_WIDTH        ([UIScreen mainScreen].bounds.size.width)

#define SCREEN_HEIGHT      ([UIScreen mainScreen].bounds.size.height)

5.更改cell选中的背景

UIView *myview = [[UIView alloc] init];

myview.frame = CGRectMake(0, 0, 320, 47);

myview.backgroundColor = [UIColorcolorWithPatternImage:[UIImage imageNamed:@"0006.png"]];

cell.selectedBackgroundView = my view;

6.图片水印

#pragma mark 图片的水印

-(UIImage *)watermarkImage:(UIImage *)img withName:(NSString *)name

{

NSDate *  senddate=[NSDate date];

NSDateFormatter  *dateformatter=[[NSDateFormatter alloc] init];

[dateformatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];

NSString * locationString=[dateformatter stringFromDate:senddate];

NSString* mark = name;

mark=locationString;

NSLog(@"%@",mark);

int w = img.size.width;

int h = img.size.height;

UIGraphicsBeginImageContext(img.size);

[img drawInRect:CGRectMake(0,0 , w, h)];

NSDictionary *attr = @{

NSFontAttributeName: [UIFont boldSystemFontOfSize:14],  //设置字体

NSForegroundColorAttributeName : [UIColor redColor]  //设置字体颜色

};

[mark drawInRect:CGRectMake(w -160, 10, 160, 30) withAttributes:attr];      //右上角

UIImage *aimg = UIGraphicsGetImageFromCurrentImageContext();

UIGraphicsEndImageContext();

return aimg;

}

7.图片压缩

#pragma mark 图片压缩

-(UIImage*)imageWithImage:(UIImage*)image scaledToSize:(CGSize)newSize

{

UIGraphicsBeginImageContext(newSize);

[image drawInRect:CGRectMake(0,0,newSize.width,newSize.height)];

UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();

UIGraphicsEndImageContext();

return newImage;

}

8.图片模糊处理效果

#import- (UIImage *)blurryImage:(UIImage *)image withBlurLevel:(CGFloat)blur

{

int boxSize = (int)blur;//模糊度

if (blur>=30) {

boxSize=1;

}else{

boxSize -= (boxSize % 2) +1;

}

CGImageRef img = image.CGImage;

//图像缓存,输入缓存,输出缓存

vImage_Buffer inBuffer, outBuffer;

vImage_Error error;

void *pixelBuffer;//像素缓存

CGDataProviderRef inProvider =CGImageGetDataProvider(img);

CFDataRef inBitmapData =CGDataProviderCopyData(inProvider);

inBuffer.width =CGImageGetWidth(img);

inBuffer.height =CGImageGetHeight(img);

inBuffer.rowBytes =CGImageGetBytesPerRow(img);

inBuffer.data = (void*)CFDataGetBytePtr(inBitmapData);

//像数缓存，字节行*图片高

pixelBuffer = malloc(CGImageGetBytesPerRow(img) *CGImageGetHeight(img));

outBuffer.data = pixelBuffer;

outBuffer.width =CGImageGetWidth(img);

outBuffer.height =CGImageGetHeight(img);

outBuffer.rowBytes =CGImageGetBytesPerRow(img);

// 第三个中间的缓存区,抗锯齿的效果

void *pixelBuffer2 =malloc(CGImageGetBytesPerRow(img) *CGImageGetHeight(img));

vImage_Buffer outBuffer2;

outBuffer2.data = pixelBuffer2;

outBuffer2.width =CGImageGetWidth(img);

outBuffer2.height =CGImageGetHeight(img);

outBuffer2.rowBytes =CGImageGetBytesPerRow(img);

error = vImageBoxConvolve_ARGB8888(&inBuffer, &outBuffer2,NULL,0,0, boxSize, boxSize,NULL, kvImageEdgeExtend);

error = vImageBoxConvolve_ARGB8888(&inBuffer, &outBuffer,NULL,0,0, boxSize, boxSize,NULL, kvImageEdgeExtend);

CGColorSpaceRef colorSpace =CGColorSpaceCreateDeviceRGB();

CGContextRef ctx =CGBitmapContextCreate(

outBuffer.data,

outBuffer.width,

outBuffer.height,

outBuffer.rowBytes,

colorSpace,

CGImageGetBitmapInfo(image.CGImage));

CGImageRef imageRef =CGBitmapContextCreateImage(ctx);

UIImage *returnImage = [UIImage imageWithCGImage:imageRef];

//清理内存

CGContextRelease(ctx);

CGColorSpaceRelease(colorSpace);

free(pixelBuffer);

free(pixelBuffer2);

CFRelease(inBitmapData);

CGColorSpaceRelease(colorSpace);

CGImageRelease(imageRef);

return returnImage;

}

9.定义类型

@property (strong, nonatomic) NSString *<#类型名#>;/**< <#备注#> */

@property (copy, nonatomic) NSString *<#name#>;/**< <#备注#> */

@property (nonatomic,assign)BOOL <#bool名#>;/**< <#备注#> */

@property (nonatomic, assign) int <#类型名#>;/**< <#备注#> */

10.邮箱格式判断

-(BOOL)isValidateEmail:(NSString *)email

{

NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";

NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES%@",emailRegex];

return [emailTest evaluateWithObject:email];

}

11.阿拉伯数字转中文

+(NSString *)translation:(NSString *)arebic

{

NSString *str = arebic;

NSArray *arabic_numerals = @[@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9",@"0"];

NSArray *chinese_numerals = @[@"一",@"二",@"三",@"四",@"五",@"六",@"七",@"八",@"九",@"零"];

NSArray *digits = @[@"个",@"十",@"百",@"千",@"万",@"十",@"百",@"千",@"亿",@"十",@"百",@"千",@"兆"];

NSDictionary *dictionary = [NSDictionary dictionaryWithObjects:chinese_numerals forKeys:arabic_numerals];

NSMutableArray *sums = [NSMutableArray array];

for (int i = 0; i < str.length; i ++) {

NSString *substr = [str substringWithRange:NSMakeRange(i, 1)];

NSString *a = [dictionary objectForKey:substr];

NSString *b = digits[str.length -i-1];

NSString *sum = [a stringByAppendingString:b];

if ([a isEqualToString:chinese_numerals[9]])

{

if([b isEqualToString:digits[4]] || [b isEqualToString:digits[8]])

{

sum = b;

if ([[sums lastObject] isEqualToString:chinese_numerals[9]])

{

[sums removeLastObject];

}

}else

{

sum = chinese_numerals[9];

}

if ([[sums lastObject] isEqualToString:sum])

{

continue;

}

}

[sums addObject:sum];

}

NSString *sumStr = [sums componentsJoinedByString:@""];

NSString *chinese = [sumStr substringToIndex:sumStr.length-1];

NSLog(@"%@",str);

NSLog(@"%@",chinese);

return chinese;

}

12.建立按钮

CGRect frame = CGRectMake(0, 400, 72.0, 37.0);

UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];

button.frame = frame;

[button setTitle:@"新添加的按钮" forState: UIControlStateNormal];

button.backgroundColor = [UIColor clearColor];

button.tag = 2000;

[button addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:button];

13.查找一个视图里面的所有视图

- (NSMutableArray *)allSubViewsForView:(UIView *)view

{

NSMutableArray *array = [NSMutableArray arrayWithCapacity:0];

for (UIView *subView in view.subviews)

{

[array addObject:subView];

if (subView.subviews.count > 0)

{

[array addObjectsFromArray:[self allSubViewsForView:subView]];

}

}

return array;

}

14.修改状态栏颜色

- (void)setStatusBarBackgroundColor:(UIColor *)color

{

UIView *statusBar = [[[UIApplication sharedApplication] valueForKey:@"statusBarWindow"] valueForKey:@"statusBar"];

if ([statusBar respondsToSelector:@selector(setBackgroundColor:)])

{

statusBar.backgroundColor = color;

}

}

15.修改UITextField中placeholder的文字颜色

[textField setValue:[UIColor redColor] forKeyPath:@"_placeholderLabel.textColor"];

16.密码格式判断

- (BOOL)judgePassWordLegal:(NSString *)pass{

BOOL result = false;

if ([pass length] >= 6 && [pass length] <=12){

// 判断长度大于8位后再接着判断是否同时包含数字和字符

NSString * regex = @"^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,12}$";

NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];

result = [pred evaluateWithObject:pass];

}

return result;

}

17.菊花界面

#pragma mark 建立并开始菊花界面请求

-(void)beginjuhua{

UIActivityIndicatorView *testActivityIndicator = [[UIActivityIndicatorView alloc]initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];

testActivityIndicator.center = CGPointMake(100.0f, 100.0f);//只能设置中心，不能设置大小

[testActivityIndicator setFrame :CGRectMake(100, 200, 100, 100)];//不建议这样设置，因为

[self.view addSubview:testActivityIndicator];

testActivityIndicator.color = [UIColor greenColor]; // 改变圈圈的颜色为红色； iOS5引入

[testActivityIndicator startAnimating]; // 开始旋转

self.testview=testActivityIndicator;

}

#pragma mark 结束并移除菊花界面

-(void)endjuhua{

dispatch_async(dispatch_get_main_queue(), ^{

[_testview stopAnimating]; // 结束旋转

[_testview removeFromSuperview]; //当旋转结束时移除

});

}

18.数组求和求平均求最大最小值

NSArray *array = [NSArray arrayWithObjects:@"2.0", @"2.3", @"3.0", @"4.0", @"10", nil];

CGFloat sum = [[array valueForKeyPath:@"@sum.floatValue"] floatValue];

CGFloat avg = [[array valueForKeyPath:@"@avg.floatValue"] floatValue];

CGFloat max =[[array valueForKeyPath:@"@max.floatValue"] floatValue];

CGFloat min =[[array valueForKeyPath:@"@min.floatValue"] floatValue];

NSLog(@"%f\n%f\n%f\n%f",sum,avg,max,min);

19.照片选择代理

-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info

{

UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage];

self.imageview.image = image;

[picker dismissViewControllerAnimated:NO completion:nil];

UIImage *originImage = self.imageview.image;

NSData *data = UIImageJPEGRepresentation(originImage, 1.10f);

NSString *encodedImageStr = [data base64EncodedStringWithOptions:NSDataBase64Encoding64CharacterLineLength];

_image1=encodedImageStr;

[self tanchukuang];

}

20.键盘透明

textField.keyboardAppearance = UIKeyboardAppearanceAlert;

21.截取屏幕图片

UIGraphicsBeginImageContext(CGSizeMake(200,400));

//renderInContext 呈现接受者及其子范围到指定的上下文

[self.view.layer renderInContext:UIGraphicsGetCurrentContext()];

//返回一个基于当前图形上下文的图片

UIImage *aImage = UIGraphicsGetImageFromCurrentImageContext();

//移除栈顶的基于当前位图的图形上下文

UIGraphicsEndImageContext();

//以png格式返回指定图片的数据

imageData = UIImagePNGRepresentation(aImage);

22.AFN_PHP方式网络请求

AFHTTPSessionManager *mgr = [AFHTTPSessionManager manager];

NSDictionary *params = @{

@"user_id":self.userinfo.user_id,

};

[mgr setResponseSerializer:[AFHTTPResponseSerializer serializer]];

[mgr POST:GAINMYINFOMATION parameters:params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {

NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:responseObject options:kNilOptions error:nil];

NSArray *myarry= [dic valueForKey:@"data"];

NSLog(@"%@",myarry);

} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {

}];

23.GCD定时器

dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);

dispatch_source_t timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0,queue);

dispatch_source_set_timer(timer,dispatch_walltime(NULL, 0),1.0*NSEC_PER_SEC, 0); //每秒执行

dispatch_source_set_event_handler(timer, ^{

//倒计时结束，关闭

dispatch_source_cancel(timer);

dispatch_async(dispatch_get_main_queue(), ^{

});

});

dispatch_resume(timer);

24.for循环

for (int i=0; i<<#循环次数#>; i++) {

}

25.app跳转APPstore

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=APPID"]];

26.navigationBar根据滑动距离的渐变色实现

//第一种

- (void)scrollViewDidScroll:(UIScrollView *)scrollView

{

CGFloat offsetToShow = 200.0;//滑动多少就完全显示

CGFloat alpha = 1 - (offsetToShow - scrollView.contentOffset.y) / offsetToShow;

[[self.navigationController.navigationBar subviews] objectAtIndex:0].alpha = alpha;

}

//第二种

- (void)scrollViewDidScroll:(UIScrollView *)scrollView

{

CGFloat offsetToShow = 200.0;

CGFloat alpha = 1 - (offsetToShow - scrollView.contentOffset.y) / offsetToShow;

[self.navigationController.navigationBar setShadowImage:[UIImage new]];

[self.navigationController.navigationBar setBackgroundImage:[self imageWithColor:[[UIColor orangeColor]colorWithAlphaComponent:alpha]] forBarMetrics:UIBarMetricsDefault];

}

//生成一张纯色的图片

- (UIImage *)imageWithColor:(UIColor *)color

{

CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);

UIGraphicsBeginImageContext(rect.size);

CGContextRef context = UIGraphicsGetCurrentContext();

CGContextSetFillColorWithColor(context, [color CGColor]);

CGContextFillRect(context, rect);

UIImage *theImage = UIGraphicsGetImageFromCurrentImageContext();

UIGraphicsEndImageContext();

return theImage;

}

27.UITableView的plain样式下，取消区头停滞效果

- (void)scrollViewDidScroll:(UIScrollView *)scrollView

{

CGFloat sectionHeaderHeight = sectionHead.height;

if (scrollView.contentOffset.y<=sectionHeaderHeight&&scrollView;.contentOffset.y>=0)

{

scrollView.contentInset = UIEdgeInsetsMake(-scrollView.contentOffset.y, 0, 0, 0);

}

else if(scrollView.contentOffset.y>=sectionHeaderHeight)

{

scrollView.contentInset = UIEdgeInsetsMake(-sectionHeaderHeight, 0, 0, 0);

}

}

28.UITextField的字数限制

//在viewDidLoad中注册通知

[[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(textFiledEditChanged:)

name:@"UITextFieldTextDidChangeNotification" object:myTextField];

//实现监听方法

#pragma mark - Notification Method

-(void)textFieldEditChanged:(NSNotification *)obj

{

UITextField *textField = (UITextField *)obj.object;

NSString *toBeString = textField.text;

//获取高亮部分

UITextRange *selectedRange = [textField markedTextRange];

UITextPosition *position = [textField positionFromPosition:selectedRange.start offset:0];

// 没有高亮选择的字，则对已输入的文字进行字数统计和限制

if (!position)

{

if (toBeString.length > MAX_STARWORDS_LENGTH)

{

NSRange rangeIndex = [toBeString rangeOfComposedCharacterSequenceAtIndex:MAX_STARWORDS_LENGTH];

if (rangeIndex.length == 1)

{

textField.text = [toBeString substringToIndex:MAX_STARWORDS_LENGTH];

}

else

{

NSRange rangeRange = [toBeString rangeOfComposedCharacterSequencesForRange:NSMakeRange(0, MAX_STARWORDS_LENGTH)];

textField.text = [toBeString substringWithRange:rangeRange];

}

}

}

}

29.UILabel在规定长度范围内,自适应字体,以完全显示文本

[_titleLabelmas_makeConstraints:^(MASConstraintMaker *make) {

make.left.mas_offset(bItemMargin);

make.centerY.mas_equalTo(0);

make.width.mas_lessThanOrEqualTo(SCREEN_WIDTH - 13);

}];

_titleLabel.adjustsFontSizeToFitWidth =YES;

_titleLabel.minimumScaleFactor =0.5;

30.XML解析

#pragma mark 遍历查找xml中文件的元素

-(void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary*)attributeDict{

_currentElementName = elementName;

[self endjuhua];

if ([_currentElementName isEqualToString:@"checkempResult"]) {

_isCheck = true;

_returnresult = @"";

}

}

#pragma mark 把第一个代理中我们要找的信息存储在currentstring中并把要找的信息空格和换行符号去除

-(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{

if ([_currentElementName isEqualToString:@"checkempResult"]) {

_isCheck = true;

_returnresult =[_returnresult stringByAppendingString:string] ;

self.peoplemessage= [self.returnresult componentsSeparatedByString:@";"];

}

}

#pragma mark 把上部的信息存储到数据中

-(void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName{

}

#pragma mark 解析结束数据

- (void)parserDidEndDocument:(NSXMLParser *)parser{

dispatch_async(dispatch_get_main_queue(), ^{

});

}

31.webview创建

#pragma mark--webView

-(UIWebView *)webView {

if (!_webView) {

_webView = [[UIWebView alloc]initWithFrame:CGRectMake(0, 50, SCREEN_WIDTH, SCREEN_HEIGHT)];

_webView.scalesPageToFit = YES;

_webView.delegate = self;

_webView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;

}

return _webView;

}

#pragma mark--webview的delegate

/** start */

-(void)webViewDidStartLoad:(UIWebView *)webView {

}

/** start loading */

-(BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {

return YES;

}

/** finish */

-(void)webViewDidFinishLoad:(UIWebView *)webView {

}

/** error */

-(void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {

}

32.过滤特殊字符串

// 定义一个特殊字符的集合

NSCharacterSet *set = [NSCharacterSet characterSetWithCharactersInString:

                      @"@／：；（）¥「」＂、[]{}#%-*+=_\\|~＜＞$€^•'@#$%^&*()_+'\""];

// 过滤字符串的特殊字符

NSString *newString = [trimString stringByTrimmingCharactersInSet:set];

33.自带请求网络（c#webserver）

#pragma mark檢查儲位-(void)storage:(NSString *)message{ NSString *urlStr = @"http://portal.flexium.com.cn:81/changestorages.asmx"; NSURL *url = [NSURL URLWithString:urlStr]; // 2.创建session对象 NSURLSession *session = [NSURLSession sharedSession]; // 3.创建请求对象 NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url]; // 4.设置请求方式与参数 request.HTTPMethod = @"POST"; NSString *str1=[NSString stringWithFormat:@"?xml version='1.0' encoding='utf-8'?%@%@%@%@",message,self.boxmessage[3],self.boxmessage[2],self.peoplemessage[2]]; NSString *dataStr = [NSString stringWithFormat:@"%@",str1]; NSData *data = [dataStr dataUsingEncoding:NSUTF8StringEncoding]; request.HTTPBody = data; NSString *msgLength= [NSString stringWithFormat:@"%zd",(int*)dataStr.length]; [request setValue:@"text/xml; charset=utf-8" forHTTPHeaderField:@"Content-Type"]; [request setValue:msgLength forHTTPHeaderField:@"Content-Length"]; [request setValue:@"http://tempuri.org/checknewstorage" forHTTPHeaderField:@"Action"]; // 5.进行链接请求数据 NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) { if (error) { NSLog(@"请求数据出错!----%@",error.description); [self intenererror]; } else { [self beginjuhua]; self.parser=[[NSXMLParser alloc]initWithData:data]; NSString *result = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]; NSLog(@"%@",result); //添加代理 self.parser.delegate=self; //self.list = [NSMutableArray arrayWithCapacity:9]; //这一步不能少！ self.parser.shouldResolveExternalEntities=true; //开始解析 [self.parser parse]; } }]; // 6.开启请求数据 [dataTask resume];}

34. 视频格式转换

#pragma mark 视频格式转换

- (void) convertVideoQuailtyWithInputURL:(NSURL*)inputURL

                              outputURL:(NSURL*)outputURL

                        completeHandler:(void (^)(AVAssetExportSession*))handler

{


    AVURLAsset *avAsset = [AVURLAsset URLAssetWithURL:inputURL options:nil];

    AVAssetExportSession *exportSession = [[AVAssetExportSession alloc] initWithAsset:avAsset presetName:AVAssetExportPresetMediumQuality];

    // NSLog(resultPath);

    exportSession.outputURL = outputURL;

    exportSession.outputFileType = AVFileTypeMPEG4; //转换的格式

    exportSession.shouldOptimizeForNetworkUse= YES;

    [exportSession exportAsynchronouslyWithCompletionHandler:^(void)

    {

    }];

}

35.播放音乐

-(void)playmusics

{


    NSURL *url = [[NSBundle mainBundle] URLForResource:@"7070" withExtension:@"mp3"];


    NSError *error = nil;


    self.player = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:&error];


    self.player.volume = 0.5;//范围为（0到1）；


    //设置循环次数，如果为负数，就是无限循环

    self.player.numberOfLoops =0;


    //设置播放进度

    self.player.currentTime = 0;


    //准备播放

    [self.player prepareToPlay];


    [self.player play];


}

36.判断WiFi或网络

-(BOOL)panduannetworking{

    UIApplication *app = [UIApplication sharedApplication];


    NSArray *children = [[[app valueForKeyPath:@"statusBar"] valueForKeyPath:@"foregroundView"] subviews];


    int type = 0;

    for (id child in children) {

        if ([child isKindOfClass:NSClassFromString(@"UIStatusBarDataNetworkItemView")]) {

            type = [[child valueForKeyPath:@"dataNetworkType"] intValue];

        }

    }

    if (type==5) {

        return YES;

    } else{

        return NO;

    }


}

37.千分位

#pragma mark 金额千分位

- (NSString *)separatedDigitStringWithStr:(NSString *)digitString

{

    if (digitString.length <= 3) {


        return digitString;


    } else {


        NSMutableString *processString = [NSMutableString stringWithString:digitString];


        NSInteger location = processString.length - 3;


        NSMutableArray *processArray = [NSMutableArray array];


        while (location >= 0) {


            NSString *temp = [processString substringWithRange:NSMakeRange(location, 3)];


            [processArray addObject:temp];


            if (location < 3 && location > 0)


            {


                NSString *t = [processString substringWithRange:NSMakeRange(0, location)];


                [processArray addObject:t];


            }


            location -= 3;


        }


        NSMutableArray *resultsArray = [NSMutableArray array];


        int k = 0;


        for (NSString *str in processArray)


        {


            k++;


            NSMutableString *tmp = [NSMutableString stringWithString:str];


            if (str.length > 2 && k < processArray.count )


            {


                [tmp insertString:@"," atIndex:0];


                [resultsArray addObject:tmp];


            } else {


                [resultsArray addObject:tmp];


            }


        }


        NSMutableString *resultString = [NSMutableString string];


        for (NSInteger i = resultsArray.count - 1 ; i >= 0; i--)


        {


            NSString *tmp = [resultsArray objectAtIndex:i];


            [resultString appendString:tmp];


        }


        return resultString;


    }


}

38.AFN访问webserver

-(void)webqingqiuurl:(NSString *)weburl xmlstr:(NSString *)xmlstr jiexmltype:(NSString *)xmltype {


    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];

    manager.responseSerializer = [AFXMLParserResponseSerializer serializer];

    // 设置请求超时时间

    manager.requestSerializer.timeoutInterval = 30;

    // 返回NSData

    manager.responseSerializer = [AFHTTPResponseSerializer serializer];

    // 设置请求头

    [manager.requestSerializer setValue:@"text/xml; charset=utf-8" forHTTPHeaderField:@"Content-Type"];

    [manager.requestSerializer setValue:[NSString stringWithFormat:@"%zd", xmlstr.length] forHTTPHeaderField:@"Content-Length"];

    // 设置HTTPBody

    [manager.requestSerializer setQueryStringSerializationWithBlock:^NSString *(NSURLRequest *request, NSDictionary *parameters, NSError *__autoreleasing *error) {

        return xmlstr;

    }];

    [manager POST:weburl parameters:xmlstr progress:^(NSProgress * _Nonnull uploadProgress) {

    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {

        // 请求成功并且结果有值把结果传出去

        NSString *resluts;

        NSString *newStr = [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding];

      resluts= [self xmlstr:newStr xmltype:xmltype];

        NSLog(@"%@",resluts);

        //做你想做的事情



        NSLog(@"AFN请求成功 ") ;

    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {

            NSLog(@"AFN请求失败-%@",error);

    }];

}

-(NSString *)xmlstr:(NSString *)xmlstr xmltype:(NSString *)xmltype {

    NSString *resultstr;

    NSArray *array=[xmlstr componentsSeparatedByString:[NSString stringWithFormat:@"<%@>",xmltype]];

    if (array.count>0) {

        NSArray *ARRAY2=[array[1]componentsSeparatedByString:[NSString stringWithFormat:@"",xmltype]];

        resultstr=ARRAY2[0];

    }else{

        resultstr=@"NG";

    }

    NSLog(@"結果為：%@",resultstr);

    return resultstr;

}

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