每个孩子都有一个接收点位置，包括从sqlite数据库中获取的纬度和经度。我有childIdArray，它是childID的数组。我想从我们从getCurrentLocationOfRespectiveDrivers()方法获取的各个驱动程序位置的当前位置计算估计时间（ETA），其中我以从纬度和经度数组的形式从sqlite数据库获取的子项的pickUp点。
但我收到错误
致命错误：数组索引超出范围
getCurrentLocationOfRespectiveDrivers()方法中的任何帮助将受到高度赞赏..提前感谢
var etaArray : [String] = []
var estimatedTime : String?
var latitudeArray : [Double] = []
var longitudeArray : [Double] = []
override func viewDidLoad() {
super.viewDidLoad()
let rs = ModelManager.sharedInstance.fetchingPickUpAnnotationsArray(ChildDetailsVC.parentID)
latitudeArray = rs.latPickUp
longitudeArray = rs.longPickUp
print("pickUpLatitudeArray = \(latitudeArray)")
print("pickUpLongitudeArray = \(longitudeArray)")
let result = ModelManager.sharedInstance.fetchingChildren( ChildDetailsVC.parentID)
self.childNameArray = result.childNames
self.childImageArray = result.childImages
self.childIDArray = result.chidIDs
self.childDriverArray = result.childDrivers
getCurrentLocationOfRespectiveDrivers()
for (var i = 0; i < childIDArray.count; i++)
{
etaArray.append("")
}
}
func getCurrentLocationOfRespectiveDrivers()
{
for( var i = 0 ; i < latitudeArray.count ; i++)
{
let url:NSURL = NSURL(string:"http://development.ssntpl.com/gogo_app/api.php?action=getDriverCurrentLocation")!
let request = NSMutableURLRequest(URL:url)
request.HTTPMethod = "POST"
let post:NSString = "child_id=\(childIDArray)"
request.HTTPBody = post.dataUsingEncoding(NSUTF8StringEncoding)
let task = NSURLSession.sharedSession().dataTaskWithRequest(request)
{
data, response, error in
if error != nil
{
print("error is \(error)")
return;
}
do
{
let myJSON = try NSJSONSerialization.JSONObjectWithData(data!, options: .MutableContainers) as? NSDictionary
if let parseJSON = myJSON
{
let Status = parseJSON["status"] as! Int
let Code = parseJSON["code"] as! Int
if (Status == 1 && Code == 200)
{
let Result = parseJSON["result"] as! NSArray
self.etaArray.removeAll()
//here i get the crash fatal error: Array index out of range
let latitudePickUp = self.latitudeArray[i]
let longitudePickUp = self.longitudeArray[i]
let CoordinatePickUp = CLLocation(latitude: latitudePickUp, longitude: longitudePickUp)
for res in Result
{
self.estimatedTime = ""
if (res["exists"] as! Int == 1)
{
let lastLatitude = res["latitude"] as! CLLocationDegrees
let lastLongitude = res["longitude"] as! CLLocationDegrees
let Location : CLLocation = CLLocation(latitude: lastLatitude, longitude: lastLongitude)
let meters:CLLocationDistance = Location.distanceFromLocation(CoordinatePickUp)
print(meters)
let ID = res["child_id"] as! String
let time = round(meters/40000 * 60)
self.estimatedTime = String(time)
self.etaArray.append(self.estimatedTime!)
}
else
{
self.etaArray.append("")
}
}
}
else
{
}
}
}
catch
{
print(error)
}
}
//executing the task
task.resume()
}
dispatch_async(dispatch_get_main_queue(), { () -> Void in
self.tableView.reloadData()
})
}