URL encode類函數

最新推荐文章于 2025-11-25 14:24:51 发布

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本文介绍了一个 Objective-C 中用于 URL 编码的实用函数。该函数通过替换特定字符来确保字符串符合 URL 编码标准，适用于 iPhone 开发。

URL encode類函數[objc實現, iPhone可用, by透明de面具] + (NSString*)URLencode:(NSString *)originalString stringEncoding:(NSStringEncoding)stringEncoding { //! @ $ & ( ) = + ~ ` ; ' : , / ? //%21%40%24%26%28%29%3D%2B%7E%60%3B%27%3A%2C%2F%3F NSArray *escapeChars = [NSArray arrayWithObjects:@";" , @"/" , @"?" , @":" , @"@" , @"&" , @"=" , @"+" , @"$" , @"," , @"!", @"'", @"(", @")", @"*", nil]; NSArray *replaceChars = [NSArray arrayWithObjects:@"%3B" , @"%2F", @"%3F" , @"%3A" , @"%40" , @"%26" , @"%3D" , @"%2B" , @"%24" , @"%2C" , @"%21", @"%27", @"%28", @"%29", @"%2A", nil]; int len = [escapeChars count]; NSMutableString *temp = [[originalString stringByAddingPercentEscapesUsingEncoding:stringEncoding] mutableCopy]; int i; for (i = 0; i < len; i++) { [temp replaceOccurrencesOfString:[escapeChars objectAtIndex:i] withString:[replaceChars objectAtIndex:i] options:NSLiteralSearch range:NSMakeRange(0, [temp length])]; } NSString *outStr = [NSString stringWithString: temp]; return outStr; }