将url params拆分并转换为字符串值的最佳方法 [英] Best way to split and convert url params into string values

问题描述

我想将iPhone中打开app的自定义网址拆分为值，我的方案如下：

I would like to split a custom url for app opening in iPhone into values, my scheme would be something like:

appname://user=jonsmith&message=blah%20blah

我希望能够在哪里将user和message作为两个NSStrings。关于最佳方法的任何建议？

Where I would like to be able to get "user" and "message" as two NSStrings. Any advice on best approach?

推荐答案

假设你的网址是 NSURL 对象名为 url ：

Assuming your url is in an NSURL object called url:

NSMutableDictionary *queryParams = [[NSMutableDictionary alloc] init];
NSArray *components = [[url query] componentsSeparatedByString:@"&"];

for (NSString *component in components) {
    NSArray *pair = [component componentsSeparatedByString:@"="];

    [queryParams setObject:[[pair objectAtIndex:1] stringByReplacingPercentEscapesUsingEncoding: NSMacOSRomanStringEncoding]
                    forKey:[pair objectAtIndex:0]]; 
}

...

[queryParams release];

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