[英]How to compare a variable String() to a string in swift?
I have a class in which I need to check a URL for json data compile that in an array and see if the latest content is an article/project/survey. 我有一个类,需要在其中检查json数据的URL,将其编译为数组,然后查看最新内容是否为文章/项目/调查。 My code compiles but it compare the strings to see if its an article/project/survey.
我的代码可以编译,但是会比较字符串以查看其是否为文章/项目/调查。 Not sure what im doing wrong?
不知道我在做什么错?
my code is 我的代码是
class LocalNotificationsManager {
var articleSurveyOrProject = String()
func checkForNewContent() {
let url = "https://cdn.contentful.com/spaces/maz0qqmvcx21/entries?access_token=ae8163cb8390af28cd3d7e28aba405bac8284f9fe4375a605782170aef2b0b48";
var jsonData:NSData?
let url = "https://cdn.contentful.com/spaces/maz0qqmvcx21/entries?access_token=ae8163cb8390af28cd3d7e28aba405bac8284f9fe4375a605782170aef2b0b48";
var jsonData:NSData?
var latestContentDates = [String]()
do{
jsonData = try NSData(contentsOfURL: NSURL(string: url)!, options: NSDataReadingOptions.DataReadingUncached)
let jsonObject:AnyObject? = try NSJSONSerialization.JSONObjectWithData(jsonData!, options: NSJSONReadingOptions.AllowFragments)
if let itemArray = jsonObject?.objectForKey("items") as? NSArray{
for item in itemArray{
if let sysItem = item.objectForKey("sys"){
//this is createdAt
if let createdAt = sysItem.objectForKey("createdAt") as? String{
print("createdAt:\(createdAt)")
latestContentDates.append(createdAt)
}
if let contentTypeItem = sysItem.objectForKey("contentType")!.objectForKey("sys"){
//this is id
if let id = contentTypeItem.objectForKey("id") as? String{
content.append(id)
}
}
}
}
}
}catch let err as NSError{
print("err:\(err)")
}
let articleSurveyOrProject = content[0]
print("articleSurveyOrProject:\(articleSurveyOrProject)")
sendLocalNotification()
}
func sendLocalNotification() {
if (articleSurveyOrProject == "article") {
print(Article)
} else if (articleSurveyOrProject == "survey") {
print("Survey")
} else if (articleSurveyOrProject == "project")
{
print("Project")
} else {
print("Oops! something went wrong it didnt get any values")
}
}
}
Note: Im working in swift2 注意:我在swift2中工作
The problem is this line: 问题是这一行:
let articleSurveyOrProject = content[0]
Delete let
. 删除
let
。
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.