TWRCharts实现动画图表

导入TWRCharts

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController

-(void)loadBarChart;

@end

#import "ViewController.h"

#import "TWRChart.h"

//16进制色值

#define HEXCOLOR(c) [UIColor colorWithRed:((c>>16)&0xFF)/255.0 green:((c>>8)&0xFF)/255.0 blue:(c&0xFF)/255.0 alpha:1.0]

@interface ViewController ()

@property(strong, nonatomic) TWRChartView *chartView;

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    NSString *jsFilePath = [[NSBundle mainBundle] pathForResource:@"index" ofType:@"js"];

    _chartView = [[TWRChartView alloc]initWithFrame:CGRectMake(0, 104,[[UIScreen mainScreen] bounds].size.width, 276)];

    [_chartView setChartJsFilePath:jsFilePath];

    _chartView.backgroundColor = [UIColor whiteColor];

    [self.view addSubview:_chartView];

    

    [self loadBarChart];

}

-(void)loadBarChart

{

    NSArray *array1 = @[@"121", @"11", @"8"];

    NSArray *array2 = @[@"44", @"31", @"22"];

    NSArray *array3 = @[@"8", @"32", @"55"];

    TWRDataSet *dataSet1 = [[TWRDataSet alloc] initWithDataPoints:array2

                                                        fillColor:[HEXCOLOR(0xf13c3d) colorWithAlphaComponent:0.5]

                                                      strokeColor:[UIColor clearColor]];

    TWRDataSet *dataSet2 = [[TWRDataSet alloc] initWithDataPoints:array1

                                                        fillColor:[HEXCOLOR(0xffb633)  colorWithAlphaComponent:0.5]

                                                      strokeColor:[UIColor clearColor]];

    //    NSArray *labels = @[@"A", @"B", @"C", @"D", @"E",@"F"];

    TWRBarChart *bar = [[TWRBarChart alloc] initWithLabels:array3

                                                  dataSets:@[dataSet1,dataSet2]

                                                  animated:YES];

    // Load data

    [_chartView loadBarChart:bar withCompletionHandler:^(BOOL finished) {

        

    }];

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end