Question

我想实现一个imessage应用程序，但是对于消息框架是新手，而iMessage应用程序是一个新事物，资源并不多。所以我关注WWDC video并使用提供sample app的苹果作为指南。

我有三个视图，#!/usr/bin/env python from __future__ import print_function from timeit import Timer mylist = "99.916667,100,99.983333,99.983333,99.233333,99.933333,99.95,99.9,99.9,99.066667,99.933333,99.966667,99.966667,99.866667,99.316667,99.883333,99.9,99.983333,99.85,98.7,99.933333,99.95,99.983333,100,99.05,100,99.866667,99.983333,99.933333,99.883333,99.983333,100,99.983333,99.983333,99.95,100,98.5,99.983333,99.45,108.925926,99.5,99.983333,100,99.966667,98.366667,99.983333,99.983333,91.516667,99.283333,99.65,99.933333,99.983333,99.933333,99.95,99.75,99.966667,99.733333,99.966667,100,99.75,99.916667,100,99.983333,99.983333,99.233333,99.933333,99.95,99.9,99.9,99.066667,99.933333,99.966667,99.966667,99.866667,99.316667,99.883333,99.9,99.983333,99.85,98.7,99.933333,99.95,99.983333,100,99.05,100,99.866667,99.983333,99.933333,99.883333,99.983333,100,99.983333,99.983333,99.95,100,98.5,99.983333,99.45,108.925926,99.5,99.983333,100,99.966667,98.366667,99.983333,99.983333,91.516667,99.283333,99.65,99.933333,99.983333,99.933333,99.95,99.75,99.966667,99.733333,99.966667,100,99.75,99.916667,100,99.983333,99.983333,99.233333,99.933333,99.95,99.9,99.9,99.066667,99.933333,99.966667,99.966667,99.866667,99.316667,99.883333,99.9,99.983333,99.85,98.7,99.933333,99.95,99.983333,100,99.05,100,99.866667,99.983333,99.933333,99.883333,99.983333,100,99.983333,99.983333,99.95,100,98.5,99.983333,99.45,108.925926,99.5,99.983333,100,99.966667,98.366667,99.983333,99.983333,91.516667,99.283333,99.65,99.933333,99.983333,99.933333,99.95,99.75,99.966667,99.733333,99.966667,100,99.75,99.916667,100,99.983333,99.983333,99.233333,99.933333,99.95,99.9,99.9,99.066667,99.933333,99.966667,99.966667,99.866667,99.316667,99.883333,99.9,99.983333,99.85,98.7,99.933333,99.95,99.983333,100,99.05,100,99.866667,99.983333,99.933333,99.883333,99.983333,100,99.983333,99.983333,99.95,100,98.5,99.983333,99.45,108.925926,99.5,99.983333,100,99.966667,98.366667,99.983333,99.983333,91.516667,99.283333,99.65,99.933333,99.983333,99.933333,99.95,99.75,99.966667,99.733333,99.966667,100,99.75,99.916667,100,99.983333,99.983333,99.233333,99.933333,99.95,99.9,99.9,99.066667,99.933333,99.966667,99.966667,99.866667,99.316667,99.883333,99.9,99.983333,99.85,98.7,99.933333,99.95,99.983333,100,99.05,100,99.866667,99.983333,99.933333,99.883333,99.983333,100,99.983333,99.983333,99.95,100,98.5,99.983333,99.45,108.925926,99.5,99.983333,100,99.966667,98.366667,99.983333,99.983333,91.516667,99.283333,99.65,99.933333,99.983333,99.933333,99.95,99.75,99.966667,99.733333,99.966667,100,99.75,99.916667,100,99.983333,99.983333,99.233333,99.933333,99.95,99.9,99.9,99.066667,99.933333,99.966667,99.966667,99.866667,99.316667,99.883333,99.9,99.983333,99.85,98.7,99.933333,99.95,99.983333,100,99.05,100,99.866667,99.983333,99.933333,99.883333,99.983333,100,99.983333,99.983333,99.95,100,98.5,99.983333,99.45,108.925926,99.5,99.983333,100,99.966667,98.366667,99.983333,99.983333,91.516667,99.283333,99.65,99.933333,99.983333,99.933333,99.95,99.75,99.966667,99.733333,99.966667,100,99.75,99.916667,100,99.983333,99.983333,99.233333,99.933333,99.95,99.9,99.9,99.066667,99.933333,99.966667,99.966667,99.866667,99.316667,99.883333,99.9,99.983333,99.85,98.7,99.933333,99.95,99.983333,100,99.05,100,99.866667,99.983333,99.933333,99.883333,99.983333,100,99.983333,99.983333,99.95,100,98.5,99.983333,99.45,108.925926,99.5,99.983333,100,99.966667,98.366667,99.983333,99.983333,91.516667,99.283333,99.65,99.933333,99.983333,99.933333,99.95,99.75,99.966667,99.733333,99.966667,100,99.75,99.916667,100,99.983333,99.983333,99.233333,99.933333,99.95,99.9,99.9,99.066667,99.933333,99.966667,99.966667,99.866667,99.316667,99.883333,99.9,99.983333,99.85,98.7,99.933333,99.95,99.983333,100,99.05,100,99.866667,99.983333,99.933333,99.883333,99.983333,100,99.983333,99.983333,99.95,100,98.5,99.983333,99.45,108.925926,99.5,99.983333,100,99.966667,98.366667,99.983333,99.983333,91.516667,99.283333,99.65,99.933333,99.983333,99.933333,99.95,99.75,99.966667,99.733333,99.966667,100,99.75,99.916667,100,99.983333,99.983333,99.233333,99.933333,99.95,99.9,99.9,99.066667,99.933333,99.966667,99.966667,99.866667,99.316667,99.883333,99.9,99.983333,99.85,98.7,99.933333,99.95,99.983333,100,99.05,100,99.866667,99.983333,99.933333,99.883333,99.983333,100,99.983333,99.983333,99.95,100,98.5,99.983333,99.45,108.925926,99.5,99.983333,100,99.966667,98.366667,99.983333,99.983333,91.516667,99.283333,99.65,99.933333,99.983333,99.933333,99.95,99.75,99.966667,99.733333,99.966667,100,99.75,99.916667,100,99.983333,99.983333,99.233333,99.933333,99.95,99.9,99.9,99.066667,99.933333,99.966667,99.966667,99.866667,99.316667,99.883333,99.9,99.983333,99.85,98.7,99.933333,99.95,99.983333,100,99.05,100,99.866667,99.983333,99.933333,99.883333,99.983333,100,99.983333,99.983333,99.95,100,98.5,99.983333,99.45,108.925926,99.5,99.983333,100,99.966667,98.366667,99.983333,99.983333,91.516667,99.283333,99.65,99.933333,99.983333,99.933333,99.95,99.75,99.966667,99.733333,99.966667,100,99.75,99.916667,100,99.983333,99.983333,99.233333,99.933333,99.95,99.9,99.9,99.066667,99.933333,99.966667,99.966667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float_list = [] def tryway(): float_list = [] mysplitlist = mylist.split(",") for string in mysplitlist: try: myfloat = float(string) float_list.append(myfloat) except ValueError: if string == 'null': pass else: raise ValueError #print(float_list) def ifway(): float_list = [] mysplitlist = mylist.split(",") for string in mysplitlist: try: if string != "null": myfloat = float(string) float_list.append(myfloat) except: raise #print(float_list) if __name__ == '__main__': print("Testing Try") tr = Timer("tryway()","from __main__ import tryway") print(tr.timeit(1000)) print("Testing If") ir = Timer("ifway()","from __main__ import ifway") print(ir.timeit(1000))处理几乎所有功能，然后是$ ./test_try_if.py Testing Try 2.23783922195 Testing If 0.631629943848和MessageViewController。

我只是尝试从CreateViewController创建DetailsViewController并显示在MSMessage ..然后添加到数据中。

但是我在尝试创建数据时遇到了崩溃。

CreateViewController

我试图传递的数据类型是结构中的字典：

DetailsViewController

所以这里是如何建立的;

MessagesViewController

@IBAction func createAction(_ sender: AnyObject) {
    //present full screen for create list
    self.delegate?.createViewControllerDidSelectAdd(self as! CreateViewControllerDelegate)        
}

CreateViewController

struct data {
var title: String!
var date: Date!

var dictionary = ["title" : String(), "Array1" : [String](), "Array2" : [String]() ] as [String : Any]

}

有人会显示我出错的地方以及如何发送class MessagesViewController: MSMessagesAppViewController, { // MARK: Responsible for create list button func composeMessage(for data: dataItem) { let messageCaption = NSLocalizedString("Let's make", comment: "") let dictionary = data.dictionary func queryItems(dictionary: [String:String]) -> [URLQueryItem] { return dictionary.map { URLQueryItem(name: $0, value: $1) } } var components = URLComponents() components.queryItems = queryItems(dictionary: dictionary as! [String : String]) let layout = MSMessageTemplateLayout() layout.image = UIImage(named: "messages-layout-1.png")! layout.caption = messageCaption let message = MSMessage() message.url = components.url! message.layout = layout message.accessibilityLabel = messageCaption guard let conversation = activeConversation else { fatalError("Expected Convo") } conversation.insert(message) { error in if let error = error { print(error) } } } } extension MessagesViewController: CreateViewControllerDelegate { func createViewControllerDidSelectAdd(_ controller: CreateViewControllerDelegate) { //CreatesNewDataItem composeMessage(for: dataItem()) } }吗？如果我能够发送消息，那么我应该能够接收和重新发送。

Answer 1

我看到一个问题，我自己无法调试：您将components.queryItems设置为您的字典var cast为[String：String]，但从data.dictionary返回的字典不是[String：String]，而是[String：Any]

特别是，dictionary [“Array1”]是一个字符串数组，而不是一个字符串。对于字典[“Array2”]也是如此。 URLQueryItem期望在其init（）中给出两个字符串，但是你试图放入一个字符串和一个字符串数组（虽然我不确定你是否真的在queryItems中找到那一行（字典：方法。

当然，您的dataItem.dictionary返回一个包含4个空值的字典。我不确定那是你想要的。

如何在消息扩展中发送MSMessage？

1 个答案: