使用与iOS8 以后，只是把系统的UIAlertController进行了封装，省的每次用的时候要写很多的代码。封装后只需要一句代码即可 , deome 地址
：https://github.com/liguoliangiOS/LGLAlertView.git
上代码LGLAlertView.h：
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
typedef NS_ENUM(NSInteger, LGLAlertViewActionStyle) {
LGLAlertViewActionStyleDefault = 0,
LGLAlertViewActionStyleCancel,
LGLAlertViewActionStyleDestructive
};
/** alertView的回调block */
typedef void (^CallBackBlock)(NSInteger btnIndex);
/** alertView的回调block */
typedef void (^TextFieldCallBackBlock)(NSString * text);
@interface LGLAlertView : NSObject
/**
* 单个或者没有按钮 不执行任何操作 只是提示总用
* @param title 提示的标题
* @param message 提示信息
* @param btnTitle 单个按钮的标题名称
*
*/
(void)showAlertViewWith:(UIViewController *)viewController title:(NSString *)title
message:(NSString *)message buttonTitle:(NSString *)btnTitle
buttonStyle:(LGLAlertViewActionStyle)buttonStyle;
/**
* 有两个或者多个按钮 确定 取消
* @param title 提示的标题
* @param message 提示信息
* @param btnTitle 单个按钮的标题名称
* @param cancelButtonTitle 取消按钮
* @param destructiveBtn destructiveBtn按钮
* @param otherButtonTitles 确定按钮
*/
(void)showAlertViewWith:(UIViewController *)viewController title:(NSString *)title message:(NSString *)message
CallBackBlock:(CallBackBlock)textBlock cancelButtonTitle:(NSString *)cancelBtnTitle
destructiveButtonTitle:(NSString *)destructiveBtnTitle
otherButtonTitles:(NSString *)otherBtnTitles,...NS_REQUIRES_NIL_TERMINATION;
/**
* 有输入框 确定 取消 (注： 这里只做了有一个输入框)
* @param title 提示的标题
* @param message 提示信息
* @param btnTitle 单个按钮的标题名称
* @param cancelButtonTitle 取消按钮
* @param destructiveBtn destructiveBtn按钮
* @param otherButtonTitles 确定按钮
*/
(void)showAlertTextFieldViewWith:(UIViewController *)viewController title:(NSString *)title message:(NSString *)message
TextFeildCallBackBlock:(TextFieldCallBackBlock)block cancelButtonTitle:(NSString *)cancelBtnTitle
otherButtonTitles:(NSString *)otherBtnTitle;
/**
* 单个或者没有按钮ActionSheet 仅仅只是提示作用 按钮没有响应事件
* @param title 提示的标题
* @param message 提示信息
* @param btnTitle 单个按钮的标题名称
*
*/
(void)showAlertActionSheetViewWith:(UIViewController *)viewController title:(NSString *)title message:(NSString *)message
buttonTitle:(NSString *)btnTitle buttonStyle:(LGLAlertViewActionStyle)buttonStyle;
/**
* 没有按钮ActionSheet 按钮有响应事件
* @param title 提示的标题
* @param message 提示信息
* @param btnTitle 单个按钮的标题名称
*
*/
(void)showAlertActionSheetWith:(UIViewController *)viewController title:(NSString *)title message:(NSString *)message
callbackBlock:(CallBackBlock)block destructiveButtonTitle:(NSString *)destructiveBtnTitle
cancelButtonTitle:(NSString *)cancelBtnTitle
otherButtonTitles:(NSString *)otherBtnTitles, ...NS_REQUIRES_NIL_TERMINATION;
@end
LGLAlertView.m:文件
#import "LGLAlertView.h"
#define LGLAlertShowTime 1.0
@implementation LGLAlertView
// ======================================================================== ----- AlertView start----- ==================================================================================
// 单个或没有按钮
(void)showAlertViewWith:(UIViewController *)viewController title:(NSString *)title message:(NSString *)message buttonTitle:(NSString *)btnTitle buttonStyle:(LGLAlertViewActionStyle)buttonStyle {
UIAlertController * alertController = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert];
if (btnTitle.length) {
UIAlertActionStyle actionStyle = (buttonStyle == LGLAlertViewActionStyleDefault) ? UIAlertActionStyleDefault : ((buttonStyle == LGLAlertViewActionStyleCancel) ? UIAlertActionStyleCancel : UIAlertActionStyleDestructive);
UIAlertAction * alertAction = alertAction = [UIAlertAction actionWithTitle:btnTitle style:actionStyle handler:^(UIAlertAction * _Nonnull action) {
[self performSelector:@selector(dismissAlertController:) withObject:alertController afterDelay:LGLAlertShowTime];
}];;
[alertController addAction:alertAction];
[viewController presentViewController:alertController animated:YES completion:nil];
} else {
[viewController presentViewController:alertController animated:YES completion:nil];
[self performSelector:@selector(dismissAlertController:) withObject:alertController afterDelay:LGLAlertShowTime];
}
}
// 单个或多个按钮
(void)showAlertViewWith:(UIViewController *)viewController title:(NSString *)title message:(NSString *)message CallBackBlock:(CallBackBlock)block cancelButtonTitle:(NSString *)cancelBtnTitle destructiveButtonTitle:(NSString *)destructiveBtnTitle otherButtonTitles:(NSString *)otherBtnTitles,... {
UIAlertController * alertController = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert];
//添加按钮
if (cancelBtnTitle.length) {
UIAlertAction * cancelAction = [UIAlertAction actionWithTitle:cancelBtnTitle style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
block(0);
}];
[alertController addAction:cancelAction];
}
if (destructiveBtnTitle.length) {
UIAlertAction * destructiveAction = [UIAlertAction actionWithTitle:destructiveBtnTitle style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
block(1);
}];
[alertController addAction:destructiveAction];
}
if (otherBtnTitles.length) {
UIAlertAction *otherActions = [UIAlertAction actionWithTitle:otherBtnTitles style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
(!cancelBtnTitle.length && !destructiveBtnTitle.length) ? block(0) : (((cancelBtnTitle.length && !destructiveBtnTitle.length) || (!cancelBtnTitle.length && destructiveBtnTitle.length)) ? block(1) : block(2));
}];
[alertController addAction:otherActions];
va_list args;
va_start(args, otherBtnTitles);
if (otherBtnTitles.length) {
NSString * otherString;
int index = 2;
(!cancelBtnTitle.length && !destructiveBtnTitle.length) ? (index = 0) : ((cancelBtnTitle.length && !destructiveBtnTitle.length) || (!cancelBtnTitle.length && destructiveBtnTitle.length) ? (index = 1) : (index = 2));
while ((otherString = va_arg(args, NSString*))) {
index ;
UIAlertAction * otherActions = [UIAlertAction actionWithTitle:otherString style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
block(index);
}];
[alertController addAction:otherActions];
}
}
va_end(args);
}
[viewController presentViewController:alertController animated:YES completion:nil];
//如果没有按钮，自动延迟消失
if (!cancelBtnTitle.length && !destructiveBtnTitle.length && !otherBtnTitles) {
//此时self指本类
[self performSelector:@selector(dismissAlertController:) withObject:alertController afterDelay:LGLAlertShowTime];
}
}
// 有输入框
(void)showAlertTextFieldViewWith:(UIViewController *)viewController title:(NSString *)title message:(NSString *)message TextFeildCallBackBlock:(TextFieldCallBackBlock)textBlock cancelButtonTitle:(NSString *)cancelBtnTitle otherButtonTitles:(NSString *)otherBtnTitle {
UIAlertController * alertController = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert];
[alertController addTextFieldWithConfigurationHandler:^(UITextField *textField) {
}];
if (cancelBtnTitle.length) {
UIAlertAction * cancelAction = [UIAlertAction actionWithTitle:cancelBtnTitle style:UIAlertActionStyleCancel handler:^(UIAlertAction *action) {
[self dismissAlertController:alertController];
}];
[alertController addAction:cancelAction];
}
if (otherBtnTitle.length) {
UIAlertAction * otherAction = [UIAlertAction actionWithTitle:otherBtnTitle style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
textBlock([alertController.textFields firstObject].text);
}];
[alertController addAction:otherAction];
}
[viewController presentViewController:alertController animated:YES completion:nil];
//如果没有按钮，自动延迟消失
if (!cancelBtnTitle.length && !otherBtnTitle.length) {
//此时self指本类
[self performSelector:@selector(dismissAlertController:) withObject:alertController afterDelay:LGLAlertShowTime];
}
}
// ======================================================================== ----- AlertView end----- ==================================================================================
#pragma mark ==== 点击事件 ======
(void)dismissAlertController:(UIAlertController *)alert {
[alert dismissViewControllerAnimated:YES completion:nil];
}
// ======================================================================== -- ActionSheet Start -- ====================================================================================
(void)showAlertActionSheetViewWith:(UIViewController *)viewController title:(NSString *)title message:(NSString *)message buttonTitle:(NSString *)btnTitle buttonStyle:(LGLAlertViewActionStyle)buttonStyle {
UIAlertController * actionController = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleActionSheet];
if (btnTitle.length) {
UIAlertActionStyle actionStyle = (buttonStyle == LGLAlertViewActionStyleDefault) ? UIAlertActionStyleDefault : ((buttonStyle == LGLAlertViewActionStyleCancel) ? UIAlertActionStyleCancel : UIAlertActionStyleDestructive);
UIAlertAction * alertAction = alertAction = [UIAlertAction actionWithTitle:btnTitle style:actionStyle handler:^(UIAlertAction * _Nonnull action) {
[self performSelector:@selector(dismissAlertController:) withObject:actionController afterDelay:LGLAlertShowTime];
}];;
[actionController addAction:alertAction];
[viewController presentViewController:actionController animated:YES completion:nil];
} else {
[viewController presentViewController:actionController animated:YES completion:nil];
//如果没有按钮，自动延迟消失
[self performSelector:@selector(dismissAlertController:) withObject:actionController afterDelay:LGLAlertShowTime];
}
}
(void)showAlertActionSheetWith:(UIViewController *)viewController title:(NSString *)title message:(NSString *)message callbackBlock:(CallBackBlock)block destructiveButtonTitle:(NSString *)destructiveBtnTitle cancelButtonTitle:(NSString *)cancelBtnTitle otherButtonTitles:(NSString *)otherBtnTitles, ... {
UIAlertController * actionController = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleActionSheet];
//添加按钮
if (destructiveBtnTitle.length) {
UIAlertAction *destructiveAction = [UIAlertAction actionWithTitle:destructiveBtnTitle style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
block(0);
}];
[actionController addAction:destructiveAction];
}
if (cancelBtnTitle.length) {
UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:cancelBtnTitle style:UIAlertActionStyleCancel handler:^(UIAlertAction *action) {
destructiveBtnTitle.length ? block(1) : block(0);
}];
[actionController addAction:cancelAction];
}
if (otherBtnTitles.length)
{
UIAlertAction *otherActions = [UIAlertAction actionWithTitle:otherBtnTitles style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
(!cancelBtnTitle.length && !destructiveBtnTitle.length) ? block(0) : (((destructiveBtnTitle.length && !cancelBtnTitle.length) || (!destructiveBtnTitle.length && cancelBtnTitle.length)) ? block(1) : block(2));
}];
[actionController addAction:otherActions];
va_list args;
va_start(args, otherBtnTitles);
if (otherBtnTitles.length) {
NSString * otherString;
int index = 2;
(!cancelBtnTitle.length && !destructiveBtnTitle.length) ? (index = 0) : ((cancelBtnTitle.length && !destructiveBtnTitle.length) || (!cancelBtnTitle.length && destructiveBtnTitle.length) ? (index = 1) : (index = 2));
while ((otherString = va_arg(args, NSString*))) {
index ;
UIAlertAction * otherActions = [UIAlertAction actionWithTitle:otherString style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
block(index);
}];
[actionController addAction:otherActions];
}
}
va_end(args);
}
[viewController presentViewController:actionController animated:YES completion:nil];
//如果没有按钮，自动延迟消失
if (!cancelBtnTitle.length && !destructiveBtnTitle.length && !otherBtnTitles.length) {
//此时self指本类
[self performSelector:@selector(dismissAlertController:) withObject:actionController afterDelay:LGLAlertShowTime];
}
}
@end
以上所述是小编给大家介绍的iOS中 LGLAlertView 提示框的实例代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对Devmax网站的支持！