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中文URL编码和解码

中文URL编码和解码

作者: 天亮説晚安 | 来源:发表于2015-12-18 10:49 被阅读183次

    发现NSString类中有内置的方法可以实现。他们分别是:

    - (NSString * )stringByAddingPercentEscapesUsingEncoding:(NSStringEncoding)encoding

    - (NSString * )stringByReplacingPercentEscapesUsingEncoding:(NSStringEncoding)encoding

    只要传入相应的编码即可以进行编码和解码了,不过此方法是对整个Url进行编码的所以如果有Query String中带有&?/等是不会进行编码转换的.

    NSString* string1 = @"https://www.cloudsafe.com/文件夹";

    NSString* string2 = [string1 stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

    NSString* string3 = [string2 stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

    NSString* string4 = [string2 stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

    NSString* string5 = [string3 stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

    NSString* string6 = [string4 stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

    NSString* string7 = [string5 stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

    输出结果: string5 & 6 重复编码encode

    string1:https://www.cloudsafe.com/文件夹

    string2:https://www.cloudsafe.com/%E6%96%87%E4%BB%B6%E5%A4%B9

    string3:https://www.cloudsafe.com/%25E6%2596%2587%25E4%25BB%25B6%25E5%25A4%25B9

    string4:https://www.cloudsafe.com/文件夹

    string5:https://www.cloudsafe.com/%E6%96%87%E4%BB%B6%E5%A4%B9

    string6:https://www.cloudsafe.com/文件夹

    string7:https://www.cloudsafe.com/文件夹

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