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[操作系统]【代码笔记】竖状图


一,效果图。

二,工程图。

三,代码。

RootViewController.h

#import <UIKit/UIKit.h>@interface RootViewController : UIViewController@end

 

RootViewController.m

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#import "RootViewController.h"//加入头文件#import "NTChartView.h"@interface RootViewController ()@end@implementation RootViewController- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{  self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];  if (self) {    // Custom initialization  }  return self;}- (void)viewDidLoad{  [super viewDidLoad];  // Do any additional setup after loading the view.      self.title=@"竖状图";      NTChartView *v = [[NTChartView alloc] initWithFrame:CGRectMake(10, 100, 300, 300)];    NSArray *g = [NSArray arrayWithObject:[NSMutableArray arrayWithObjects:                      [NSNumber numberWithFloat:18],                      [NSNumber numberWithFloat:30],                      [NSNumber numberWithFloat:16.5],                      [NSNumber numberWithFloat:55],                      [NSNumber numberWithFloat:40],nil]];  v.groupData = g;    [self.view addSubview:v];  }
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