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iOS 数组~画饼图-添加数据优化

一、概念

- (void)viewDidLoad {
[superviewDidLoad];
//初始化
SHPieChart *chart = [[SHPieChart alloc]initWithFrame:CGRectMake(0,40, SHSCREEN_WIDTH, SHSCREEN_HEIGHT /3.0f)];
chart.backgroundColor = [UIColor orangeColor];
[self.view addSubview:chart];
}

二、最基本的写法-也是最笨的方法

//常见方法

- (void)commonMethods{
//创建数据模块
SHChartPointItem *item1 = [SHChartPointItem chartPoinItemWithRawX:@"敲代码"andRowY:@"0.33"];
SHChartPointItem *item2 = [SHChartPointItem chartPoinItemWithRawX:@"调程序"andRowY:@"0.34"];
SHChartPointItem *item3 = [SHChartPointItem chartPoinItemWithRawX:@"吃饭费"andRowY:@"0.23"];
SHChartPointItem *item4 = [SHChartPointItem chartPoinItemWithRawX:@"其他"andRowY:@"0.1"];
pieChartData.items =@[item1,item2,item3,item4].mutableCopy;
pieChartData.fillColors =@[[UIColor redColor],[UIColor blueColor],[UIColor cyanColor],[UIColor yellowColor]].mutableCopy;
chart.pieChartData = pieChartData;
[chart strokeChart];
}

三、推荐方法

//推荐方法

- (void)recommendedApproach{
NSArray*titleArray =@[@"0.33",@"0.34",@"0.23",@"0.1",@"0.33",@"0.34",@"0.23",@"0.1"];
NSMutableArray*itemArrayM = [NSMutableArrayarray];
SHPieChartData *pieChartData = [[SHPieChartData alloc]init];
for(inti =0; i < titleArray.count; i++) {
SHChartPointItem *item = [SHChartPointItem chartPoinItemWithRawX:@""andRowY:titleArray[i]];
[itemArrayM addObject:item];
}
pieChartData.items = itemArrayM.mutableCopy;
chart.pieChartData = pieChartData;
[chart strokeChart];
}

谢谢!!!

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