“我”的开发笔记

UIViewController *aViewController = [[UIViewController alloc] init];
 
[window addSubview:aViewController.view];
 
[aViewController release];

[aViewController.view removeFromSuperview];
 
[aViewController release];

NSString *aString = @"我是个NS字符串！";  //除了引号外加@, 没别的区别

NSString *aString = [[NSString alloc] initWithFormat:@"这也是个NS字符串！"];

//从一个文件读取需要的内容
- (id)initWithContentsOfFile:(NSString *)path encoding:(NSStringEncoding)enc error:(NSError **)error
//从一个地址读取需要的内容
- (id)initWithContentsOfURL:(NSURL *)url encoding:(NSStringEncoding)enc error:(NSError **)error

NSString *aString = @"This is a NSString";
 
NSLog(aString);   //在控制台输出信息，该函数方法需要一个NSString对象作为参数
 
NSLog("这样不会好使的");
 
NSLog(@"这样就会好使拉～");

[UIView setTitle:aString];
 
[UIView setTitle:@"标题"];
 
UIView.title = aString;

[aString release]; //对象将被系统释放掉咯

NSLog([NSString stringWithFormat:@"一个NS字符串"]);

nString = [aString substringToIndex:4]; //nString将得到aString中的前四个字符

{
	"老张家":["大张","二张","三张"],
	"老李家":["大李","二李"]
}

@interface MyDataSource : NSObject {}
+ (id)dataSource;
@end
 
#import "JSON.h"
 
@implementation MyDataSource
+ (id)dataSource
{
	NSString* JSONString = [NSString stringWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"data" ofType:@"json"]
							 encoding:NSUTF8StringEncoding error:nil];
	return [JSONString JSONValue];
}
@end

#import "MyTableViewController.h"
#import "MyDataSource.h"
 
@implementation MyTableViewController
 
- (id)initWithStyle:(UITableViewStyle)style
{
	if (self = [super initWithStyle:style]) {
		myData = [[MyDataSource dataSource] retain];
		//在这里我们初始化myData，其实就是一个id对象
		//传入由MyDataSource解析出的NSDictionary
	}
	return self;
}
 
#pragma mark Table view methods
 
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return [myData count];    //有多少个section，也就是“几家”
}
 
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return [[myData valueForKey:[[myData allKeys] objectAtIndex:section]] count];
//这里我们需要告诉UITableViewController每个section里面有几个，也就是“一家里面有几口人”
}
 
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
 
    static NSString *CellIdentifier = @"Cell";
 
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil) {
        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
                                                reuseIdentifier:CellIdentifier] autorelease];
    }
   //上面的东西都是重复白给的，平时没事不用想为什么，照抄就可以了
	cell.textLabel.text = [[myData valueForKey:[[myData allKeys] objectAtIndex:indexPath.section]] objectAtIndex:indexPath.row];
	//这句看上去复杂，但是其实不过是在特定section里面找到对应的array，
	//然后在array中找到indexPath.row所在的内容
    return cell;
}
 
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
	return [[myData allKeys] objectAtIndex:section];
//这里设置对应section的名字，很简单allKey返回所有的键值为一个array，也就是“张家”，“李家”
//然后用objectAtIndex: 来找出究竟是哪一个就可以了！
}
 
- (void)dealloc {
    [myData release]; //“我们是runtime的好市民”...release就好Alan......
    [super dealloc];
}
@end

+ (id)fetchJSONValueForURL:(NSURL *)url
{
    NSString *jsonString = [[NSString alloc] initWithContentsOfURL:url
                                                          encoding:NSUTF8StringEncoding error:nil];
 
    id jsonValue = [jsonString JSONValue];
    [jsonString release];
    return jsonValue;
}

+ (NSDictionary *)fetchLibraryInformation
{
    NSString *urlString = [NSString stringWithFormat:@"http://gzl.name/appData/MyFodian/Lib/main.json"];
    NSURL *url = [NSURL URLWithString:urlString];
	NSLog(@"fetching library data");
    return [self fetchJSONValueForURL:url];
}

/*******************************************************************/

UIColor* blue = RGBCOLOR(191, 197, 208);
TTStyle *myStyle = [TTShapeStyle styleWithShape:[TTRoundedRectangleShape shapeWithRadius:10]
next:[TTShadowStyle styleWithColor:RGBACOLOR(255,255,255,0.9) blur:1 offset:CGSizeMake(0, 1)
next:[TTLinearGradientFillStyle styleWithColor1:RGBCOLOR(255, 255, 255)
		color2:RGBCOLOR(216, 221, 231)
next:[TTSolidBorderStyle styleWithColor:blue width:1 next:nil]]]];
 
viewA = [[[TTView alloc] initWithFrame:CGRectMake(10, 220, 300, 40)] autorelease];
viewB = [[[TTView alloc] initWithFrame:CGRectMake(10, 263, 300, 40)] autorelease];
viewC = [[[TTView alloc] initWithFrame:CGRectMake(10, 306, 300, 100)] autorelease];
viewA.backgroundColor = self.view.backgroundColor;
viewB.backgroundColor = self.view.backgroundColor;
viewC.backgroundColor = self.view.backgroundColor;
viewA.style = myStyle;
viewB.style = myStyle;
viewC.style = myStyle;
[self.view addSubview:viewA];
[self.view addSubview:viewB];
[self.view addSubview:viewC];