iOS-登录，注册隐私政策，用户协议

柔情只为你懂 2023-10-18 22:31 419阅读 0赞

在写登录，注册界面时，我们会碰到两个按钮，一个是隐私政策，一个是用户协议，分别是要跳转到相应的链接或者PDF查看。之前博主的想法是在UILabel上添加两个UIButton，@"隐私政策",@"用户协议"上各自添加一个UIButton；一个是计算@"我已阅读并同意"字符串的长度，然后以此为起点，以@"隐私政策"字符串的末尾为结尾，另一个按钮以@"用户协议"开始作为起点尾部作为结尾，最终发现这样有些麻烦，经过一番百度，发现UITextView有一个方法- (void)addAttribute:(NSAttributedStringKey)name value:(id)value range:(NSRange)range;可以帮我们完成这件事，截图如下：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L01pbmdnZVFpbmdjaHVu_size_16_color_FFFFFF_t_70][]具体完成的方法，创建代码如下：

博主经过了国际化操作，粘贴处字符串代表的意思：

"register_user_readagree" = "我已阅读并同意";
    "register_user_privacypolicy" = "隐私条款";
    "register_user_useragreement" = "用户协议";

/// 同意
        UIButton *btnAgree = [UIButton buttonWithType:UIButtonTypeCustom];
        self.btnAgree = btnAgree;
        btnAgree.selected = YES;
        [btnAgree setBackgroundImage:[UIImage imageNamed:@"OCR_agree"] forState:UIControlStateSelected];
        [btnAgree setBackgroundImage:[UIImage imageNamed:@"OCR_noAgree"] forState:UIControlStateNormal];
        [self addSubview:btnAgree];
        [btnAgree mas_makeConstraints:^(MASConstraintMaker *make) {
            make.left.mas_equalTo(16);
            make.top.equalTo(btnCommit.mas_bottom).offset(20);
            make.width.height.mas_equalTo(40);
        }];
        [btnAgree addTarget:self
                     action:@selector(agreeAction:)
           forControlEvents:UIControlEventTouchUpInside];
        
        /// 同意文本
        UITextView *tvAgree = [[UITextView alloc]init];
        self.tvAgree = tvAgree;
        tvAgree.userInteractionEnabled = YES;
        tvAgree.font = SET_FONT(12.0);
        tvAgree.textColor = TextLightGrayCOLOR;
        tvAgree.editable = NO;//必须禁止输入，否则点击将弹出输入键盘
        tvAgree.scrollEnabled = NO;
        tvAgree.delegate = self;
        tvAgree.textContainerInset = UIEdgeInsetsMake(0,0, 0, 0);
        [self addSubview:tvAgree];
        [tvAgree mas_makeConstraints:^(MASConstraintMaker *make) {
            make.right.mas_equalTo(-16);
            make.left.mas_equalTo(30);
            make.centerY.equalTo(btnAgree.mas_centerY);
            make.height.mas_equalTo(20);
        }];
        
        NSString *agreeStr = [NSString stringWithFormat:@"%@《%@》《%@》",BZLocalizedString(@"register_user_readagree", nil),BZLocalizedString(@"register_user_privacypolicy", nil),BZLocalizedString(@"register_user_useragreement", nil)];/// @"我已阅读并同意《隐私政策》《用户协议》";
        NSMutableAttributedString *diffString = [[NSMutableAttributedString alloc] initWithString:agreeStr];
        [diffString addAttribute:NSForegroundColorAttributeName value:tvAgree.textColor range:[[diffString string] rangeOfString:BZLocalizedString(@"register_user_readagree", nil)]];/// @"我已阅读并同意"
        [diffString addAttribute:NSLinkAttributeName
                               value:@"privacy://"
                               range:[[diffString string] rangeOfString:[NSString stringWithFormat:@"《%@》",BZLocalizedString(@"register_user_privacypolicy", nil)]]];/// 《隐私政策》
        [diffString addAttribute:NSLinkAttributeName
                           value:@"delegate://"
                           range:[[diffString string] rangeOfString:[NSString stringWithFormat:@"《%@》",BZLocalizedString(@"register_user_useragreement", nil)]]];/// 《用户协议》
        tvAgree.linkTextAttributes = @{NSForegroundColorAttributeName: MainThemeColor};
        tvAgree.attributedText = diffString;

UITextView的NSLinkAttributeName属性，就是点击链接跳转

实现UITextView的代理，调用如下：

#pragma mark - UITextViewDelegate
    /// 隐私,协议
    - (BOOL)textView:(UITextView *)textView shouldInteractWithURL:(NSURL *)URL inRange:(NSRange)characterRange {
        /// 隐私
        if ([[URL scheme] isEqualToString:@"privacy"]){
            /// 跳转隐私政策界面
        }
        /// 协议
        else if ([[URL scheme] isEqualToString:@"delegate"]) {
            /// 跳转用户协议界面
        }
        return YES;
    }

\- (BOOL)textView:(UITextView \*)textView shouldInteractWithURL:(NSURL \*)URL inRange:(NSRange)characterRange方法就是处理UITextView的URL点击链接处理方法，因此这样我们就能省了一点事，效果如下：

![2019072717015128.gif][]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L01pbmdnZVFpbmdjaHVu_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20190727165113378.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L01pbmdnZVFpbmdjaHVu,size_16,color_FFFFFF,t_70
[2019072717015128.gif]: https://img-blog.csdnimg.cn/2019072717015128.gif