将HTML字符串下载到iOS中的NSString或Swift String变量中 [英] Downloading HTML string into an NSString or Swift String variable in iOS

问题描述

替代标题

• 如何在iPhone上的Objective-C中下载网页数据？


• 如何将html资源文件的全部内容读入 NSString *


• 如何下载Swift中的网页数据？


• 在NSString中保存HTML页面

Alternative titles

• How to download a web page data in Objective-C on iPhone?
• How to read entire content of an html resource file into an NSString *
• How to download a web page data in Swift?
• Saving HTML pages in an NSString

如何获取网页数据并将数据放入字符串？

How do you get web page data and put the data into a string?

类似于：

NSString *webPageBody = GetWebPageData("www.mysite.com/webpage.html");

在 webPageBody 中，我想请参阅html my web page html。

in the webPageBody, I would like to see "html my web page html".

推荐答案

Swift 3.0

Swift 3.0

guard let url = URL(string: "http://www.example.com") else {
    return
}

do {
    let html = try String(contentsOf: url)
}
catch {
    //handle `error` here
}

Swift 2.3

Swift 2.3

guard let url = NSURL(string: "http://www.example.com") else {
    return
}

do {
    let html = try String(contentsOfURL: url)
}
catch {
    //handle `error` here
}

Objective-C

Objective-C

NSString *url = @"http://www.example.com";
NSURL *urlRequest = [NSURL URLWithString:url];
NSError *err = nil;

NSString *html = [NSString stringWithContentsOfURL:urlRequest encoding:NSUTF8StringEncoding error:&err];

if(err)
{
    //Handle 
}

这篇关于将HTML字符串下载到iOS中的NSString或Swift String变量中的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！