IOS中转义字符显示

+ (NSString *)htmlEntityDecode:(NSString *)string

{

    string = [string stringByReplacingOccurrencesOfString:@""" withString:@"\""];

    string = [string stringByReplacingOccurrencesOfString:@"'" withString:@"'"];

    string = [string stringByReplacingOccurrencesOfString:@"&lt;" withString:@"<"];

    string = [string stringByReplacingOccurrencesOfString:@"&gt;" withString:@">"];

    string = [string stringByReplacingOccurrencesOfString:@"&amp;" withString:@"&"];

    

    return string;

}