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...
- (void)createEvent {
  EKEvent *event = [EKEvent eventWithEventStore:self.es];//
  //可以设置event的相关属性，title表示标题，notes表示备注，-(void)addAlarm:(EKAlarm *)alarm;方法可以添加提醒时间...
  [self.es saveEvent:event span:EKSpanThisEvent error:nil];//这个时候会生成Event对应的唯一Identifier。
  /*EventStore还支持批量写入Event。*/
  /*使用-(BOOL)saveEvent:(EKEvent *)event span:(EKSpan)span commit:(BOOL)commit error:(NSError **)erro;方法，commit设为NO*/
  /*然后再调用[EKEventStore commit:]一次性提交所有新增*/
}

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#import <EventKit/EventKit.h>
...
- (void)createEKEventStore {
   EKAuthorizationStatus status = [EKEventStore authorizationStatusForEntityType:EKEntityTypeEvent];//获取日历状态权限
   if(status != EKAuthorizationStatusAuthorized) {
     //没有获取权限则请求权限
     self.es = [[EKEventStore alloc] init];
     [self.es requestAccessToEntityType:EKEntityTypeEvent completion:^(BOOL granted
                                                                     ,NSError * _Nullable error) {
                                                                        if(granted) {

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#import "ViewController.h"

@interface ViewController ()

@property (strong, nonatomic) NSMutableArray<NSNumber*> *numbersArray;

@end

@implementation ViewController

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#import "FunnelChart.h"

- (void)viewDidLoad {
    [super viewDidLoad];
    
    //初始化数据对象
    FunnelChartModel *model1 = [FunnelChartModel new];
    model1.value = 10.f;
    model1.color = [UIColor redColor];
    

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//用了表示是否有异步请求正在执行
@property (assign, atomic) BOOL excuting;
@property (strong, nonatomic) NSArray *datasArray;
@property (strong, nonatomic) NSOperationQueue *operationQueue;

- (void)ViewDidLoad {
  [super viewDidLoad];
  self.excuting = NO;
  self.operationQueue = [[NSOperationQueue alloc] init];

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//仅列出关键代码

@property (strong, nonatomic) NSArarry *datasArray;

- (void)beginUploadData {
 	     [self uploadDataToServer:self.datasArray[0] index:0];
 }
 
- (void)uploadDataToServer:(id)data index:(NSUInteger)index {
 	      AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

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//仅展示部分代码
@interface ViewController ()

/**
 *  原型cell
 */
@property (strong,nonatomic) CustomCell *prototypeCustomCell;

/**
 *  数据源

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-(void)p_updateConstraints{
    [self.contentView removeConstraints:self.contentView.constraints];
    NSDictionary *views=@{@"contentLabel":self.contentLabel};
    NSMutableArray *constraints=[NSMutableArray array];
    //设置水平约束
    [constraints addObjectsFromArray:[NSLayoutConstraint
                                      constraintsWithVisualFormat:@"H:|-5-[contentLabel]-5-|"
                                      options:0
                                      metrics:nil
                                      views:views]];

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-(void)initControls{
    _contentLabel=[UILabel new];
    _contentLabel.translatesAutoresizingMaskIntoConstraints=NO;
    _contentLabel.numberOfLines=0;
    _contentLabel.lineBreakMode=NSLineBreakByWordWrapping;
    [self.contentView addSubview:_contentLabel];
}

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//...

-(void)viewDidLoad{
    [super viewDidLoad];
    NumberField *numberField=[[NumberField alloc] initWithFrame:CGRectMake(100, 100, 120, 44)];
    numberField.placeholder=@"只能输入数字";
    
    //设置精度,长度为10，小数点位数为4的苏子。
    numberField.numeric=CGNumeric(10, 4);