使用與iOS8 以後，只是把系統的UIAlertController進行了封裝，省的每次用的時候要寫很多的代碼。封裝後只需要一句代碼即可 , deome 地址

：https://github.com/liguoliangiOS/LGLAlertView.git

上代碼LGLAlertView.h：

#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
typedef NS_ENUM(NSInteger, LGLAlertViewActionStyle) {
LGLAlertViewActionStyleDefault = 0,
LGLAlertViewActionStyleCancel,
LGLAlertViewActionStyleDestructive
};
/** alertView的回調block */
typedef void (^CallBackBlock)(NSInteger btnIndex);
/** alertView的回調block */
typedef void (^TextFieldCallBackBlock)(NSString * text);
@interface LGLAlertView : NSObject
/**
* 單個或者沒有按鈕 不執行任何操作 只是提示總用
* @param title 提示的標題
* @param message 提示信息
* @param btnTitle 單個按鈕的標題名稱
*
*/
+ (void)showAlertViewWith:(UIViewController *)viewController title:(NSString *)title
message:(NSString *)message buttonTitle:(NSString *)btnTitle
buttonStyle:(LGLAlertViewActionStyle)buttonStyle;
/**
* 有兩個或者多個按鈕 確定 取消
* @param title 提示的標題
* @param message 提示信息
* @param btnTitle 單個按鈕的標題名稱
* @param cancelButtonTitle 取消按鈕
* @param destructiveBtn destructiveBtn按鈕
* @param otherButtonTitles 確定按鈕
*/
+ (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;
/**
* 有輸入框 確定 取消 (注： 這裡只做了有一個輸入框)
* @param title 提示的標題
* @param message 提示信息
* @param btnTitle 單個按鈕的標題名稱
* @param cancelButtonTitle 取消按鈕
* @param destructiveBtn destructiveBtn按鈕
* @param otherButtonTitles 確定按鈕
*/
+ (void)showAlertTextFieldViewWith:(UIViewController *)viewController title:(NSString *)title message:(NSString *)message
TextFeildCallBackBlock:(TextFieldCallBackBlock)block cancelButtonTitle:(NSString *)cancelBtnTitle
otherButtonTitles:(NSString *)otherBtnTitle;
/**
* 單個或者沒有按鈕ActionSheet 僅僅只是提示作用 按鈕沒有響應事件
* @param title 提示的標題
* @param message 提示信息
* @param btnTitle 單個按鈕的標題名稱
*
*/
+ (void)showAlertActionSheetViewWith:(UIViewController *)viewController title:(NSString *)title message:(NSString *)message
buttonTitle:(NSString *)btnTitle buttonStyle:(LGLAlertViewActionStyle)buttonStyle;
/**
* 沒有按鈕ActionSheet 按鈕有響應事件
* @param title 提示的標題
* @param message 提示信息
* @param btnTitle 單個按鈕的標題名稱
*
*/
+ (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----- ==================================================================================
// 單個或沒有按鈕
+ (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];
}
}
// 單個或多個按鈕
+ (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];
//添加按鈕
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];
//如果沒有按鈕，自動延遲消失
if (!cancelBtnTitle.length && !destructiveBtnTitle.length && !otherBtnTitles) {
//此時self指本類
[self performSelector:@selector(dismissAlertController:) withObject:alertController afterDelay:LGLAlertShowTime];
}
}
// 有輸入框
+ (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];
//如果沒有按鈕，自動延遲消失
if (!cancelBtnTitle.length && !otherBtnTitle.length) {
//此時self指本類
[self performSelector:@selector(dismissAlertController:) withObject:alertController afterDelay:LGLAlertShowTime];
}
}
// ======================================================================== ----- AlertView end----- ==================================================================================
#pragma mark ==== 點擊事件 ======
+ (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];
//如果沒有按鈕，自動延遲消失
[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];
//添加按鈕
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];
//如果沒有按鈕，自動延遲消失
if (!cancelBtnTitle.length && !destructiveBtnTitle.length && !otherBtnTitles.length) {
//此時self指本類
[self performSelector:@selector(dismissAlertController:) withObject:actionController afterDelay:LGLAlertShowTime];
}
}
@end

以上所述是小編給大家介紹的iOS中 LGLAlertView 提示框的實例代碼，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復大家的。在此也非常感謝大家對本站網站的支持！