iOS中文网址路径转换URLEncode

方法1:

NSString* encodedString = [urlStringstringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

方法2:

NSString * encodedString = (NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,(CFStringRef)urlString,NULL,NULL,kCFStringEncodingUTF8);

如果在所有的类里都要用到这个方法,可以写成category,然后在头文件import "NSString+URL.h" 即可调用.

NSString+URL.h  文件

@interface NSString (URL)
- (NSString *)URLEncodedString;
@end

NSString+URL.m  文件

#import "NSString+URL.h"
 
@implementation NSString (URL)
 
- (NSString *)URLEncodedString
{
    NSString *encodedString = (NSString *)
    CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
                                            (CFStringRef)self,
                                            (CFStringRef)@"!$&'()*+,-./:;=?@_~%#[]",
                                            NULL,
                                            kCFStringEncodingUTF8);
    return encodedString;
}
@end

调用方法:

    NSString *encodedString = [urlString URLEncodedString];

    //encodedString do something