首页 \ 问答 \ 在Swift中解析JSON数据(来自URL)(Parsing JSON data (from URL) in Swift)

在Swift中解析JSON数据(来自URL)(Parsing JSON data (from URL) in Swift)

我正试图通过JSON检索URL中的一些数据。 这是我的快速代码:

// get symbol asked
let symbol = symbolField.text!

// define URL
let url = NSURL(string: "http://yahoojson.gobu.fr/symbol.php?symbol=\(symbol)")!

let task = NSURLSession.sharedSession().dataTaskWithURL(url) { (data, response, error) -> Void in
    if let urlContent = data {
        do {
            let jsonResult = try NSJSONSerialization.JSONObjectWithData(urlContent, options: NSJSONReadingOptions.MutableContainers)

            print(jsonResult)
        } catch {
            print("Error JSON")
        }
    }
}

task.resume()

一切似乎都运行良好,但"do-try-catch"总是打印"Error JSON" 。 我的代码似乎无法将我的URL内容转换为实际的JSON。 知道我做错了什么吗?


I'm trying to retrieve some data from an URL thanks to JSON. Here's my swift code:

// get symbol asked
let symbol = symbolField.text!

// define URL
let url = NSURL(string: "http://yahoojson.gobu.fr/symbol.php?symbol=\(symbol)")!

let task = NSURLSession.sharedSession().dataTaskWithURL(url) { (data, response, error) -> Void in
    if let urlContent = data {
        do {
            let jsonResult = try NSJSONSerialization.JSONObjectWithData(urlContent, options: NSJSONReadingOptions.MutableContainers)

            print(jsonResult)
        } catch {
            print("Error JSON")
        }
    }
}

task.resume()

Everything seems to work fine, but the "do-try-catch" always prints "Error JSON". My code seems unable to convert my URL content into actual JSON. Any idea what I am doing wrong?


原文:https://stackoverflow.com/questions/31893868
更新时间:2023-12-15 17:12

最满意答案

最后,我能够做到这一点。 我不知道它的完美解决方案和所有,但我做到了这一点。

对于每个有两个div的部分,一个用于过滤器按钮,第二个用于报告图块,我给出了唯一的类(过滤器div)和id(报告图块),并且在AJAX回调函数中我绑定了这样的代码

function SetSectionOneData() {

var $container = $('#SectionOneReports'), // Report tiles holding container id. 
$controls = $('.cd-tab-filter');  // Filter button holding div

$container.mixItUp({
    animation: {
        duration: 700,
        effects: 'fade translateY(600%) stagger(35ms)',
        easing: 'cubic-bezier(0.86, 0, 0.07, 1)',
        reverseOut: true
    },
    controls: {
        enable: false
    }
});

$controls.on('click', '.filter', function () {
    var $btn = $(this),
        filter = $btn.attr('data-filter');
     $btn.addClass('FltrBtn_active'); 
    var btnId = $btn.attr('id');
    if (btnId) {
        var productId = btnId.split('_')[1];
        var linkId = btnId.split('_')[2];
        $('*[id*=Filter_' + productId + ']:visible').each(function () {
            if ($(this).attr('id').split('_')[2] != linkId) {
                $(this).removeClass('FltrBtn_active');
            }
        });
    }
    $container.mixItUp('filter', 'none', function () {
        $container.mixItUp('filter', filter);
    });
});

}

如果有人发现有更好的/优化的解决方案,请告诉我。

无论如何,谢谢大家


Finally i was able to make it happen. I don't know its the perfect solution and all but i did it like this.

For each sections where there are two divs , one for filter buttons and second one for report tiles, i gave unique class ( filter div) and id ( report tiles) and in the AJAX call back function I binded the code like this

function SetSectionOneData() {

var $container = $('#SectionOneReports'), // Report tiles holding container id. 
$controls = $('.cd-tab-filter');  // Filter button holding div

$container.mixItUp({
    animation: {
        duration: 700,
        effects: 'fade translateY(600%) stagger(35ms)',
        easing: 'cubic-bezier(0.86, 0, 0.07, 1)',
        reverseOut: true
    },
    controls: {
        enable: false
    }
});

$controls.on('click', '.filter', function () {
    var $btn = $(this),
        filter = $btn.attr('data-filter');
     $btn.addClass('FltrBtn_active'); 
    var btnId = $btn.attr('id');
    if (btnId) {
        var productId = btnId.split('_')[1];
        var linkId = btnId.split('_')[2];
        $('*[id*=Filter_' + productId + ']:visible').each(function () {
            if ($(this).attr('id').split('_')[2] != linkId) {
                $(this).removeClass('FltrBtn_active');
            }
        });
    }
    $container.mixItUp('filter', 'none', function () {
        $container.mixItUp('filter', filter);
    });
});

}

If anyone finds that there is a better / optimized solution, please let me know.

Anyway thank you all

相关问答

更多

相关文章

更多

最新问答

更多
  • 您如何使用git diff文件,并将其应用于同一存储库的副本的本地分支?(How do you take a git diff file, and apply it to a local branch that is a copy of the same repository?)
  • 将长浮点值剪切为2个小数点并复制到字符数组(Cut Long Float Value to 2 decimal points and copy to Character Array)
  • OctoberCMS侧边栏不呈现(OctoberCMS Sidebar not rendering)
  • 页面加载后对象是否有资格进行垃圾回收?(Are objects eligible for garbage collection after the page loads?)
  • codeigniter中的语言不能按预期工作(language in codeigniter doesn' t work as expected)
  • 在计算机拍照在哪里进入
  • 使用cin.get()从c ++中的输入流中丢弃不需要的字符(Using cin.get() to discard unwanted characters from the input stream in c++)
  • No for循环将在for循环中运行。(No for loop will run inside for loop. Testing for primes)
  • 单页应用程序:页面重新加载(Single Page Application: page reload)
  • 在循环中选择具有相似模式的列名称(Selecting Column Name With Similar Pattern in a Loop)
  • System.StackOverflow错误(System.StackOverflow error)
  • KnockoutJS未在嵌套模板上应用beforeRemove和afterAdd(KnockoutJS not applying beforeRemove and afterAdd on nested templates)
  • 散列包括方法和/或嵌套属性(Hash include methods and/or nested attributes)
  • android - 如何避免使用Samsung RFS文件系统延迟/冻结?(android - how to avoid lag/freezes with Samsung RFS filesystem?)
  • TensorFlow:基于索引列表创建新张量(TensorFlow: Create a new tensor based on list of indices)
  • 企业安全培训的各项内容
  • 错误:RPC失败;(error: RPC failed; curl transfer closed with outstanding read data remaining)
  • C#类名中允许哪些字符?(What characters are allowed in C# class name?)
  • NumPy:将int64值存储在np.array中并使用dtype float64并将其转换回整数是否安全?(NumPy: Is it safe to store an int64 value in an np.array with dtype float64 and later convert it back to integer?)
  • 注销后如何隐藏导航portlet?(How to hide navigation portlet after logout?)
  • 将多个行和可变行移动到列(moving multiple and variable rows to columns)
  • 提交表单时忽略基础href,而不使用Javascript(ignore base href when submitting form, without using Javascript)
  • 对setOnInfoWindowClickListener的意图(Intent on setOnInfoWindowClickListener)
  • Angular $资源不会改变方法(Angular $resource doesn't change method)
  • 在Angular 5中不是一个函数(is not a function in Angular 5)
  • 如何配置Composite C1以将.m和桌面作为同一站点提供服务(How to configure Composite C1 to serve .m and desktop as the same site)
  • 不适用:悬停在悬停时:在元素之前[复制](Don't apply :hover when hovering on :before element [duplicate])
  • 常见的python rpc和cli接口(Common python rpc and cli interface)
  • Mysql DB单个字段匹配多个其他字段(Mysql DB single field matching to multiple other fields)
  • 产品页面上的Magento Up出售对齐问题(Magento Up sell alignment issue on the products page)