文件归档
#import <Foundation/Foundation.h>
//plist
//代码方式
//
//plist 文件的根节点只能是数组或者字典
//plist 文件只能存储 NSString NSArray NSDictionary
//NSData NSDate NSNumber BOOL
int main(int argc, const char * argv[]) {
@autoreleasepool {
// NSFileManager *fm = [NSFileManager defaultManager];
// [fm createFileAtPath:@"/Users/zhangxueming/Desktop/test/app.plist" contents:nil attributes:nil];//创建一个plist文件
//以字典为根节点创建plist文件
NSMutableDictionary *mulDict = [NSMutableDictionary dictionary];
[mulDict setObject:@"1" forKey:@"one"];
[mulDict setObject:@"2" forKey:@"two"];
[mulDict setObject:@"3" forKey:@"three"];
[mulDict setObject:[NSNumber numberWithInt:123] forKey:@"number"];
[mulDict setObject:[NSDate date] forKey:@"date"];
[mulDict writeToFile:@"/Users/zhangxueming/Desktop/test/ios.plist" atomically:YES];//如果该文件不存在,自动创建该文件
//以数组为根节点创建plist文件
NSMutableArray *mulArr = [NSMutableArray array];
[mulArr addObject:@"qianfeng"];
[mulArr addObject:@"hello world"];
[mulArr addObject:mulDict];
[mulArr addObject:[NSNumber numberWithBool:YES]];
[mulArr writeToFile:@"/Users/zhangxueming/Desktop/test/array.plist" atomically:YES];
//直接在xcode中创建plist文件
//xcode --> Resourse --> Property List
}
return 0;
}
#import <Foundation/Foundation.h>
int main(int argc, const char * argv[]) {
@autoreleasepool {
//如果文件根节点是NSDictionary
//用字典类的方法读取plist文件
//- (NSDictionary *)initWithContentsOfFile:(NSString *)path;
NSDictionary *dictContent = [NSDictionary dictionaryWithContentsOfFile:@"/Users/zhixiang/Desktop/qfile.plist"];
NSLog(@"dict = %@", dictContent);
//NSArray
//- (NSArray *)initWithContentsOfFile:(NSString *)path;
NSArray *arrayContent = [NSArray arrayWithContentsOfFile:@"/Users/zhixiang/Desktop/qfile.plist"];
NSLog(@"arrayContent = %@", arrayContent);
}
return 0;
}
#import <Foundation/Foundation.h>
int main(int argc, const char * argv[]) {
@autoreleasepool {
char buf[100]={};
scanf("%s", buf);
NSString *dstStr = [NSString stringWithUTF8String:buf];
NSDictionary *dict = [NSDictionary dictionaryWithContentsOfFile:@"/Users/zhangxueming/Desktop/ios1501/ios1501OC讲课/day8_文件归档/OC4_plist文件练习/OC4_plist文件练习/qfile.plist"];
NSDictionary *framesObj = [dict objectForKey:@"frames"];
NSDictionary *pictureObj = [framesObj objectForKey:dstStr];
NSLog(@"%@", [pictureObj objectForKey:@"textureRect"]);
}
return 0;
}
#import <Foundation/Foundation.h>
//归档: 把内存中的数据按照指定的格式存储到指定的文件中的过程
//解归档: 把文件中存储的数据读取到内存中
int main(int argc, const char * argv[]) {
@autoreleasepool {
#if 0
//归档
NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:@"1",@"one",@"2",@"two",@"3",@"three", nil];
BOOL ret = [NSKeyedArchiver archiveRootObject:dict toFile:@"/Users/zhangxueming/Desktop/test/archfile"];
if (ret) {
NSLog(@"文件归档成功");
}
else
{
NSLog(@"文件归档失败");
}
#else
//解归档
NSDictionary *dict = [NSKeyedUnarchiver unarchiveObjectWithFile:@"/Users/zhangxueming/Desktop/test/archfile"];
NSLog(@"dict = %@", dict);
#endif
}
return 0;
}
#import <Foundation/Foundation.h>
int main(int argc, const char * argv[]) {
@autoreleasepool {
#if 0
NSString *str = @"千锋教育";
NSData *data= [NSKeyedArchiver archivedDataWithRootObject:str];
BOOL ret = [data writeToFile:@"/Users/zhangxueming/Desktop/test/datafile" atomically:YES];
if (ret) {
NSLog(@"文件归档成功");
}
else
{
NSLog(@"文件归档失败");
}
#else
//解归档
NSData *data = [NSData dataWithContentsOfFile:@"/Users/zhangxueming/Desktop/test/datafile"];
NSString *strObj=[NSKeyedUnarchiver unarchiveObjectWithData:data];
NSLog(@"str = %@", strObj);
#endif
}
return 0;
}
#import <Foundation/Foundation.h>
int main(int argc, const char * argv[]) {
@autoreleasepool {
#if 0
NSDictionary *dict = [[NSDictionary alloc] initWithObjectsAndKeys:@"1",@"one",@"2",@"two",@"3",@"three", nil];
NSArray *arr = [[NSArray alloc] initWithObjects:@"hello",@"world",@"qian",@"feng", nil];
NSMutableData *mulData = [NSMutableData data];
//通过mulData构造archiver
NSKeyedArchiver *archiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:mulData];
//编码
[archiver encodeObject:dict forKey:@"dictionary"];
[archiver encodeObject:arr forKey:@"array"];
//结束编码
[archiver finishEncoding];
//写文件
BOOL ret =[mulData writeToFile:@"/Users/zhangxueming/Desktop/test/手动归档.txt" atomically:YES];
if (ret) {
NSLog(@"文件归档成功");
}
else
{
NSLog(@"文件归档失败");
}
#else
//解归档
NSData *data = [NSData dataWithContentsOfFile:@"/Users/zhangxueming/Desktop/test/手动归档.txt"];
NSKeyedUnarchiver *unarchiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:data];
NSDictionary *dict = [unarchiver decodeObjectForKey:@"dictionary"];
NSArray *array = [unarchiver decodeObjectForKey:@"array"];
NSLog(@"dict = %@", dict);
NSLog(@"array = %@", array);
#endif
}
return 0;
}
#import <Foundation/Foundation.h>
//json javaScript 子集
//"key":"value"
//最外层结构 为字典(居多)或者数组
int main(int argc, const char * argv[]) {
@autoreleasepool {
NSData *data = [NSData dataWithContentsOfFile:@"/Users/zhangxueming/Desktop/json.txt"];
NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
//NSLog(@"dict = %@", dict);
NSDictionary *weather = [dict objectForKey:@"weatherinfo"];
NSLog(@"%@", weather);
// for (id obj in weather) {
// NSLog(@"%@:%@",obj, [weather objectForKey:obj]);
// }
}
return 0;
}
#import <Foundation/Foundation.h>
int main(int argc, const char * argv[]) {
@autoreleasepool {
NSURL *url = [NSURL URLWithString:@"http://ip.taobao.com/service/getIpInfo.php?ip=63.223.108.42"];
NSData *data = [NSData dataWithContentsOfURL:url];
NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
NSLog(@"dict = %@", dict);
}
return 0;
}
posted on 2014-03-09 19:14 Sinner_Yun 阅读(297) 评论(0) 编辑 收藏 举报
