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问题:

This is deprecated "stringByAddingPercentEscapesUsingEncoding", I want to replace this line with update one.

NSString *encodedString = [modalData.imageURL stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

回答1:

Try below line of code:

NSString *encodedString = [modalData.imageURL stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHostAllowedCharacterSet]];

stringByAddingPercentEncodingWithAllowedCharacters:

Returns a new string made from the receiver by replacing all characters not in the specified set with percent encoded characters.

Character sets are passed to - stringByAddingPercentEncodingWithAllowedCharacters:

+ (NSCharacterSet *)URLUserAllowedCharacterSet; + (NSCharacterSet *)URLPasswordAllowedCharacterSet; + (NSCharacterSet *)URLHostAllowedCharacterSet; + (NSCharacterSet *)URLPathAllowedCharacterSet; + (NSCharacterSet *)URLQueryAllowedCharacterSet; + (NSCharacterSet *)URLFragmentAllowedCharacterSet;

Reference: https://developer.apple.com/reference/foundation/nsstring/1411946-stringbyaddingpercentencodingwit

回答2:

Use this code

NSString *encodedString = [modalData.imageURL stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHostAllowedCharacterSet]];

回答3:

This code worked for me:

NSString *url = [modalData.imageURL stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLFragmentAllowedCharacterSet]];

文章来源: stringByAddingPercentEscapesUsingEncoding deprecated

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nsstring