Ios 如何访问目标c中的swift资源?
我想在ViewController文件中显示图表。我可以在swift文件中显示图表。我的问题是,我想在ViewController文件中访问该视图。但无法访问。我可以从ViewController调用方法test(),但无法调用setChart()方法。这是我的源代码: ViewController.mIos 如何访问目标c中的swift资源?,ios,objective-c,swift,methods,Ios,Objective C,Swift,Methods,我想在ViewController文件中显示图表。我可以在swift文件中显示图表。我的问题是,我想在ViewController文件中访问该视图。但无法访问。我可以从ViewController调用方法test(),但无法调用setChart()方法。这是我的源代码: ViewController.m #import "ViewController.h" #import "ChartsDemo-swift.h" #import "ChartsDemo-Bridging-Header.h" @i
#import "ViewController.h"
#import "ChartsDemo-swift.h"
#import "ChartsDemo-Bridging-Header.h"
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
//View Creation
UIView *mainView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 200, 270)];
//Array Creation
NSMutableArray *mn = [[NSMutableArray alloc]initWithObjects:@"5",@"8", nil];
NSArray *un = [[NSArray alloc]initWithObjects:@"6",@"10", nil];
//Instance for Swift Class
BarChartViewController *bcv = [[BarChartViewController alloc]init];
//Function Call
[bcv test];
[bcv setChart:mn values:un];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
@end
BarChartViewController.swift
import Foundation
import Charts
class BarChartViewController: UIViewController {
@IBOutlet var barChartView: BarChartView!
var months: [String]!
override func viewDidLoad()
{
//Array Creation
months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
let units = [20.0, 4.0, 6.0, 3.0, 12.0, 16.0, 4.0, 18.0, 2.0, 4.0, 5.0, 4.0]
//Function call
setChart(months, values: units)
piesetChart(months, values: units)
}
func test()
{
print("hi")
}
func setChart(dataPoints: [String], values: [Double])
{
var dataEntries: [BarChartDataEntry] = []
for var i=0; i < dataPoints.count; i++
{
let dataEntry = BarChartDataEntry(value: values[i], xIndex: i)
dataEntries.append(dataEntry)
}
let chartDataSet = BarChartDataSet(yVals: dataEntries, label: "Units Sold")
let chartData = BarChartData(xVals: months, dataSet: chartDataSet)
chartDataSet.colors = [UIColor .redColor()]
barChartView.data = chartData
barChartView.xAxis.labelPosition = .Bottom
}
<代码>导入基础
进口图表
类BarChartViewController:UIViewController{
@IBVAR barChartView:barChartView!
变量月份:[字符串]!
重写func viewDidLoad()
{
//数组创建
月份=[“一月”、“二月”、“三月”、“四月”、“五月”、“六月”、“七月”、“八月”、“九月”、“十月”、“十一月”、“十二月”]
设单位=[20.0,4.0,6.0,3.0,12.0,16.0,4.0,18.0,2.0,4.0,5.0,4.0]
//函数调用
设置图(月,值:单位)
piesetChart(月,值:单位)
}
func测试()
{
打印(“hi”)
}
func集合图表(数据点:[字符串],值:[双精度])
{
var数据项:[BarChartDataEntry]=[]
对于变量i=0;i2.如何从ViewController.m访问setChart方法?如果您想从
ViewController.m
访问setChart()
方法
ViewController.m
ViewController
类为BarChartViewController.swift
创建一个实例。通过使用该实例,您可以访问setChart()
方法