#import "ViewController.h"
//导入头文件
#import <pthread.h>
@interfaceViewController ()
@end
@implementation ViewController
- (void)viewDidLoad
{
[superviewDidLoad];
[selfbtnClick];
}
/*
*NSThread创建线程方式
*1.先初始化线程
*2.start开启线程
*/
-(void)btnClick
{
//1.获取当前线程
NSThread * current = [NSThreadcurrentThread];
//主线程
NSLog(@"进入主线程--%@",current);
//获取主线程的另一中方式
NSThread*main =[NSThreadmainThread];
NSLog(@"主线程2--%@",main);
//执行一些耗时操作(分多一个线程)
[selfcreatNSTread];
}
-(void)creatNSTread
{
NSThread * thread1=[[NSThreadalloc]initWithTarget:selfselector:@selector(run:) object:@"线程A"];
//设置一个名称
thread1.name=@"线程A";
//开启线程
[thread1 start];
NSThread * thread2=[[NSThreadalloc]initWithTarget:selfselector:@selector(run:) object:@"线程B"];
//设置一个名称
thread2.name=@"线程B";
//开启线程
[thread2 start];
}
-(void)run:(NSString*)str
{
//获取当前线程
NSThread * current=[NSThreadcurrentThread];
//打印输出
for (int i=0; i<10; i++) {
NSLog(@"run--%@--%@",current,str);
}
}
运行结果：
/******************************创建NSTread线程方式2**************************************/
#import "ViewController.h"
//导入头文件
#import <pthread.h>
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
[self btnClick];
}
-(void)btnClick
{
//1.获取当前线程
NSThread * current = [NSThread currentThread];
//主线程
NSLog(@"进入主线程--%@",current);
//获取主线程的另一中方式
NSThread*main =[NSThread mainThread];
NSLog(@"主线程2--%@",main);
//执行一些耗时操作(分多一个线程)
[self creatNSTread2];
[self creatNSTead3];
}
/*
*NSTread创建线程方式2
*创建完线程直接启动（自动）
*/
-(void)creatNSTread2
{
[NSThread detachNewThreadSelector:@selector(run:) toTarget:self withObject:@"第一线程"];
}
-(void)creatNSTead3
{
//在后台线程执行在子线程中执行
[self performSelectorInBackground:@selector(run:) withObject:@"第二线程"];
}
-(void)run:(NSString*)str
{
//获取当前线程
NSThread * current=[NSThread currentThread];
//打印输出
for (int i=0; i<10; i++) {
NSLog(@"run--%@--%@",current,str);
}
}
运行结果：
