- html - 出于某种原因,IE8 对我的 Sass 文件中继承的 html5 CSS 不友好?
- JMeter 在响应断言中使用 span 标签的问题
- html - 在 :hover and :active? 上具有不同效果的 CSS 动画
- html - 相对于居中的 html 内容固定的 CSS 重复背景?
objective-c
Conflict types for '-(NSInteger)amountYear:(NSInteger)searchYear Month:(NSInteger)searchMonth'
如何消除这个警告?
.m
#import "MyAppDataController.h"
#import "MyApplicationData.h"
@implementation MyAppDataController
@synthesize appdata;
static id _instance = nil;
+ (id)instance
{
@synchronized(self) {
if (!_instance) {
_instance = [[MyAppDataController alloc] init];
}
}
return _instance;
}
+ (id)allocWithZone:(NSZone*)zone
{
@synchronized(self) {
if (!_instance) {
_instance = [super allocWithZone:zone];
return _instance;
}
}
return nil;
}
- (id)copyWithZone:(NSZone*)zone
{
return self;
}
- (id)retain
{
return self;
}
- (unsigned)retainCount
{
return UINT_MAX;
}
- (void)release
{
}
- (id)autorelease
{
return self;
}
-(void)loadData{
NSData* data = [[NSMutableData alloc]initWithContentsOfFile:[self dataFilePath]];
NSKeyedUnarchiver* unarchiver = [[NSKeyedUnarchiver alloc]initForReadingWithData:data];
appdata = [unarchiver decodeObjectForKey:DATAKEY];
[unarchiver finishDecoding];
[unarchiver release];
[data release];
if (!appdata) {
appdata = [[MyApplicationData alloc]init];
}
if (!appdata.categories) {
appdata.categories = [[NSMutableArray alloc]init];
}
if (!appdata.items) {
appdata.items = [[NSMutableArray alloc]init];
}
NSLog(@"%@", appdata.items);
NSLog(@"%@", appdata.categories);
}
-(void)addAppDataItemPrice:(NSString*)price itemCategory:(NSString*)category itemDate:(NSDate*)date{
NSInteger index = -1;
if ([appdata.categories count] != 0) {
index = [appdata.categories indexOfObject:category];
}
if(index == -1 || index > [appdata.categories count]){
[appdata.categories addObject:category];
index = [appdata.categories count];
}
NSMutableArray* ary = [[NSMutableArray alloc] init];
[ary addObject:price];
[ary addObject:category];
[ary addObject:date];
[appdata.items addObject:ary];
}
-(void)editAppDataItemId:(NSInteger)identifier itemPrice:(NSString*)price itemCategory:(NSString*)category itemDate:(NSDate*)date{
NSInteger index = [appdata.categories indexOfObjectIdenticalTo:category];
if(index == -1 || index > [appdata.categories count]){
[appdata.categories addObject:category];
index = [appdata.categories count];
}
NSMutableArray* ary = [[NSMutableArray alloc] init];
[ary addObject:price];
[ary addObject:category];
[ary addObject:date];
[appdata.items replaceObjectAtIndex:identifier withObject:ary];
}
-(void)deleteAppDataItemId:(NSInteger)identifier{
[appdata.items removeObjectAtIndex:identifier];
}
-(void)saveData{
NSData* data = [[NSMutableData alloc] init];
NSKeyedArchiver* archiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:data];
[archiver encodeObject:appdata forKey:DATAKEY];
[archiver finishEncoding];
[data writeToFile:[self dataFilePath] atomically:YES];
[archiver release];
[data release];
}
-(NSString*)dataFilePath{
NSArray* paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString* documentsDirectory = [paths objectAtIndex:0];
return [documentsDirectory stringByAppendingPathComponent:FILENAME];
}
-(NSMutableArray*)categories{
return appdata.categories;
}
-(NSString*)allAmount{
NSInteger amount = 0;
int i;
for (i=0; i<[appdata.items count]; i++) {
NSMutableArray* item = [appdata.items objectAtIndex:i];
NSString* price = [item objectAtIndex:0];
NSInteger n = [price integerValue];
amount += n;
}
return [NSString stringWithFormat:@"合計:: %d 円", amount];
}
-(NSInteger)amountYear:(NSInteger)searchYear Month:(NSInteger)searchMonth{
NSMutableArray* result = [[MyAppDataController instance] itemsYear:searchYear Month:searchMonth];
NSInteger amount = 0;
int i;
for (i=0; i<[result count]; i++) {
NSString* str = [[[result objectAtIndex:i] objectAtIndex:1] objectAtIndex:0];
NSInteger n = [str integerValue];
amount += n;
}
//[result release];
return amount;
}
-(NSMutableArray*)searchByCategoryYear:(NSInteger)searchYear Month:(NSInteger)searchMonth Category:(NSString*)searchCategory{
NSMutableArray* result = [self itemsYear:searchYear Month:searchMonth];
int i;
for (i=0; i<[result count]; i++) {
NSString* category = [[[result objectAtIndex:i] objectAtIndex:1] objectAtIndex:1];
if (![searchCategory isEqualToString:category]) {
[result removeObjectAtIndex:i];
}
}
return result;
}
-(NSMutableArray*)itemsYear:(NSInteger)searchYear Month:(NSInteger)searchMonth{
NSMutableArray* result = [[NSMutableArray alloc] init];
int i;
for (i=0; i<[appdata.items count]; i++) {
NSMutableArray* item = [appdata.items objectAtIndex:i];
NSDate* date = [item objectAtIndex:2];
NSCalendar* cal = [[NSCalendar alloc]
initWithCalendarIdentifier:NSGregorianCalendar];
unsigned int unitFlags = NSYearCalendarUnit |
NSMonthCalendarUnit |
NSDayCalendarUnit |
NSHourCalendarUnit |
NSMinuteCalendarUnit |
NSSecondCalendarUnit;
NSDateComponents *components = [cal components:unitFlags fromDate:date];
NSInteger itemYear = [components year];
NSInteger itemMonth = [components month];
if (itemYear == searchYear && itemMonth == searchMonth) {
NSMutableArray* ary = [[NSMutableArray alloc] init];
[ary addObject:[NSNumber numberWithInt:i]];
[ary addObject:item];
[result addObject:ary];
}
}
return result;
}
-(NSMutableArray*)getByIdentifier:(NSInteger)identifier{
return [appdata.items objectAtIndex:identifier];
}
@end
.h
#define FILENAME @"archive"
#define DATAKEY @"data"
#import <UIKit/UIKit.h>
#import "MyApplicationData.h"
@interface MyAppDataController : NSObject {
MyApplicationData* appdata;
}
@property (nonatomic, retain) MyApplicationData* appdata;
-(void)loadData;
-(void)addAppDataItemPrice:(NSString*)price itemCategory:(NSString*)category itemDate:(NSDate*)date;
-(void)editAppDataItemId:(NSInteger)identifier itemPrice:(NSString *)price itemCategory:(NSString *)category itemDate:(NSDate *)date;
-(void)deleteAppDataItemId:(NSInteger)identifier;
-(void)saveData;
-(NSMutableArray*)categories;
-(NSString*)dataFilePath;
-(NSString*)allAmount;
-(NSString*)amountYear:(NSInteger)searchYear Month:(NSInteger)searchMonth;
-(NSMutableArray*)itemsYear:(NSInteger)searchYear Month:(NSInteger)searchMonth;
-(NSMutableArray*)searchByCategoryYear:(NSInteger)searchYear Month:(NSInteger)searchMonth Category:(NSString *)searchCategory;
-(NSMutableArray*)getByIdentifier:(NSInteger)identifier;
+(id)instance;
@end
最佳答案
实现您的
-(NSString*)amountYear:(NSInteger)searchYear Month:(NSInteger)searchMonth;
方法(在 .h 中定义)是使用 NSInteger 实现的:
-(NSInteger)amountYear:(NSInteger)searchYear Month:(NSInteger)searchMonth
我只能假设 .h 是错误的,它应该是 NSInteger 而不是 NSString*
关于objective-c - 我怎样才能摆脱这种冲突类型的警告?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/1708783/
我正在尝试编写一个相当多态的库。我遇到了一种更容易表现出来却很难说出来的情况。它看起来有点像这样: {-# LANGUAGE ScopedTypeVariables #-} {-# LANGUAGE
谁能解释一下这个表达式是如何工作的? type = type || 'any'; 这是否意味着如果类型未定义则使用“任意”? 最佳答案 如果 type 为“falsy”(即 false,或 undef
我有一个界面,在IAnimal.fs中, namespace Kingdom type IAnimal = abstract member Eat : Food -> unit 以及另一个成功
这个问题在这里已经有了答案: 关闭 10 年前。 Possible Duplicate: What is the difference between (type)value and type(va
在 C# 中,default(Nullable) 之间有区别吗? (或 default(long?) )和 default(long) ? Long只是一个例子,它可以是任何其他struct类型。 最
假设我有一个案例类: case class Foo(num: Int, str: String, bool: Boolean) 现在我还有一个简单的包装器: sealed trait Wrapper[
这个问题在这里已经有了答案: Create C# delegate type with ref parameter at runtime (1 个回答) 关闭 2 年前。 为了即时创建委托(dele
我正在尝试获取图像的 dct。一开始我遇到了错误 The function/feature is not implemented (Odd-size DCT's are not implemented
我正在尝试使用 AFNetworking 的 AFPropertyListRequestOperation,但是当我尝试下载它时,出现错误 预期的内容类型{( “应用程序/x-plist” )}, 得
我在下面收到错误。我知道这段代码的意思,但我不知道界面应该是什么样子: Element implicitly has an 'any' type because index expression is
我尝试将 SignalType 从 ReactiveCocoa 扩展为自定义 ErrorType,代码如下所示 enum MyError: ErrorType { // .. cases }
我无法在任何其他问题中找到答案。假设我有一个抽象父类(super class) Abstract0,它有两个子类 Concrete1 和 Concrete1。我希望能够在 Abstract0 中定义类
我想知道为什么这个索引没有用在 RANGE 类型中,而是用在 INDEX 中: 索引: CREATE INDEX myindex ON orders(order_date); 查询: EXPLAIN
我正在使用 RxJava,现在我尝试通过提供 lambda 来订阅可观察对象: observableProvider.stringForKey(CURRENT_DELETED_ID) .sub
我已经尝试了几乎所有解决问题的方法,其中包括。为 提供类型使用app.use(express.static('public'))还有更多,但我似乎无法为此找到解决方案。 index.js : imp
以下哪个 CSS 选择器更快? input[type="submit"] { /* styles */ } 或 [type="submit"] { /* styles */ } 只是好
我不知道这个设置有什么问题,我在 IDEA 中获得了所有注释(@Controller、@Repository、@Service),它在行号左侧显示 bean,然后转到该 bean。 这是错误: 14-
我听从了建议 registering java function as a callback in C function并且可以使用“简单”类型(例如整数和字符串)进行回调,例如: jstring j
有一些 java 类,加载到 Oracle 数据库(版本 11g)和 pl/sql 函数包装器: create or replace function getDataFromJava( in_uLis
我已经从 David Walsh 的 css 动画回调中获取代码并将其修改为 TypeScript。但是,我收到一个错误,我不知道为什么: interface IBrowserPrefix { [
我是一名优秀的程序员,十分优秀!