- (void)protocolIsSelect:(BOOL)select {

    NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:@"请遵守以下协议《支付宝协议》《微信协议》《建行协议》《招行协议》《中国银行协议》《上海银行协议》"];

    [attributedString addAttribute:NSLinkAttributeName

                             value:@"zhifubao://"

                             range:[[attributedString string] rangeOfString:@"《支付宝协议》"]];

    [attributedString addAttribute:NSLinkAttributeName

                             value:@"weixin://"

                             range:[[attributedString string] rangeOfString:@"《微信协议》"]];

    [attributedString addAttribute:NSLinkAttributeName

                             value:@"jianhang://"

                             range:[[attributedString string] rangeOfString:@"《建行协议》"]];

    UIImage *image = [UIImage imageNamed:select == YES ? @"new_feature_share_true" : @"new_feature_share_false"];

    CGSize size = CGSizeMake(font + , font + );

    UIGraphicsBeginImageContextWithOptions(size, false, );

    [image drawInRect:CGRectMake(, , size.width, size.height)];

    UIImage *resizeImage = UIGraphicsGetImageFromCurrentImageContext();

    UIGraphicsEndImageContext();

    NSTextAttachment *textAttachment = [[NSTextAttachment alloc] init];

    textAttachment.image = resizeImage;

    NSMutableAttributedString *imageString = [NSMutableAttributedString attributedStringWithAttachment:textAttachment];

    [imageString addAttribute:NSLinkAttributeName

                        value:@"checkbox://"

                        range:NSMakeRange(, imageString.length)];

    [attributedString insertAttributedString:imageString atIndex:];

    [attributedString addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:font] range:NSMakeRange(, attributedString.length)];

    _textview.attributedText = attributedString;

    _textview.linkTextAttributes = @{NSForegroundColorAttributeName: [UIColor blueColor],

                                     NSUnderlineColorAttributeName: [UIColor lightGrayColor],

                                     NSUnderlineStyleAttributeName: @(NSUnderlinePatternSolid)};

    _textview.delegate = self;

    _textview.editable = NO;        //必须禁止输入，否则点击将弹出输入键盘

    _textview.scrollEnabled = NO;

}

- (BOOL)textView:(UITextView *)textView shouldInteractWithURL:(NSURL *)URL inRange:(NSRange)characterRange {

    if ([[URL scheme] isEqualToString:@"jianhang"]) {

        NSLog(@"建行支付---------------");

        return NO;

    } else if ([[URL scheme] isEqualToString:@"zhifubao"]) {

        NSLog(@"支付宝支付---------------");

        return NO;

    } else if ([[URL scheme] isEqualToString:@"weixin"]) {

        NSLog(@"微信支付---------------");

        return NO;

    } else if ([[URL scheme] isEqualToString:@"checkbox"]) {

        self.isSelect = !self.isSelect;

        [self protocolIsSelect:self.isSelect];

        return NO;

    }

    return YES;

}