IOS 解決URL中文亂碼問題解決
在做一個HTTPS連接時, 要客戶端合成一段HTTPS地址
如果地址含中文的話程序會crash, 檢查發現原來是中文沒有轉碼的原因
在NSString庫里面找到了下面兩個方法
- (NSString *)stringByAddingPercentEscapesUsingEncoding:(NSStringEncoding)encoding- (NSString *)stringByReplacingPercentEscapesUsingEncoding:(NSStringEncoding)encoding
試了下, 有效
NSString* string1 = @"https://www.cloudsafe.com/文件夾";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];
輸出string1-7結果如下
string1:https://www.cloudsafe.com/文件夾string2:https://www.cloudsafe.com/%E6%96%87%E4%BB%B6%E5%A4%B9string3:https://www.cloudsafe.com/%25E6%2596%2587%25E4%25BB%25B6%25E5%25A4%25B9string4:https://www.cloudsafe.com/文件夾string5:https://www.cloudsafe.com/%E6%96%87%E4%BB%B6%E5%A4%B9string6:https://www.cloudsafe.com/文件夾string7:https://www.cloudsafe.com/文件夾
簡單說下我是如何使用的:
在合成URL后, 給整個String轉碼兩次
NSMutableString *address = [[NSMutableString stringWithString:SetNiChengStringWithoutUserNameAndNiCheng] mutableCopy]; address = [[address stringByAppendingString:app.name] mutableCopy]; address = [[address stringByAppendingString:@"/"] mutableCopy]; address = [[address stringByAppendingString:_nameTextField.text] mutableCopy]; address = [[address stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding] mutableCopy]; address = [[address stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding] mutableCopy];
服務器端如何只是簡單存儲, 服務器接收數據后可以不用轉碼成中文
當客戶端請求這部分數據時, 由客戶端自己解碼就好了
獲取到字串后解碼一次就可以正常顯示為中文了:
str = [str stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
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