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基于Vue2實現(xiàn)移動端圖片上傳、壓縮、拖拽排序、拖拽刪除功能_vue.js...
let context:any = canvas.getContext('2d') canvas.width = width canvas.height = height context.clearRect(0,0,width,height) context.drawImage(img,0,0,width,height) callback(canvas.toDataURL("image/jpeg", 0.75)) } 拖拽排序、拖拽刪除 拖拽排序、拖拽到指定位置刪除是通過監(jiān)聽touch事件來實現(xiàn)的。
www.dbjr.com.cn/article/2035...htm 2025-6-6
PostgreSQL物理備份恢復之 pg_rman的用法說明_PostgreSQL_腳本之家
[postgres@node_206 /postgresql/pgsql]$touch data/recovery.signal [postgres@node_206 /postgresql/pgsql]$pg_ctl start waiting for server to start...2020-11-17 11:15:04.292 EST [59600] LOG: 00000: starting PostgreSQL 12.3 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (...
m.jb51.net/article/2051...htm 2024-4-8
阿里云linux服務器安全設置(防火墻策略等)_主機測評網(wǎng)
echo-e"\033[40;32mStep 1.No lock file,begin to create lock fileand continue.\n\033[40;37m" touch$LOCKfile fi #check user if[ $(id-u) !="0"] then echo-e"\033[1;40;31mError: You must be root to run this script,please use root to execute this script.\n\033[0m" rm-f ...
zhuji.jb51.net/yunfuwuqi/...html 2025-5-21
無主之地前傳橙裝與紫裝代碼介紹_單機游戲_游戲攻略_腳本之家
Bad Touch Flakker - BLOZ(igAAAABdiAADbIE9DCOTPcESgJUBpgJWA6z//yCwAPBQwYKDdQLm) Bad Touch Flakker - BLOZ(igAAAAASDAADbIE9DCMQPMEigJUBpgKWAqz//yCwAPBQwYKDdQLm) 藍色: Skavenged Boganella(紅字) - BLOZ(igAAAAB7FgABbIA9CiOTocAKgOUAJgHWAiwNWB+wAPCowEJA9QHm)...
www.dbjr.com.cn/gonglue/243721...html 2025-5-23
iOS開發(fā)中使用cocos2d添加觸摸事件的方法_IOS_腳本之家
因為觸摸事件由Cocoa TouchAPI接收,所以觸摸的位置必須被轉(zhuǎn)換為OpenGL的坐標。 以下是一個用來轉(zhuǎn)換坐標的方法: 復制代碼代碼如下: -(CGPoint) locationFromTouches:(NSSet *)touches { UITouch *touch = [touches anyObject]; CGPoint touchLocation = [touch locationInView: [touch view]]; ...
www.dbjr.com.cn/article/732...htm 2025-6-3
iOS開發(fā)中的幾個手勢操作實例分享_IOS_腳本之家
self.multipleTouchEnabled = YES; // ... } return self; } -(void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { [NSObject cancelPreviousPerformRequestsWithTarget:self]; UITouch *touch = [touches anyObject]; CGPoint touchPoint = [touch locationInView:self]; ...
www.dbjr.com.cn/article/724...htm 2025-6-6
iOS touch事件區(qū)分單擊雙擊響應的方法_IOS_腳本之家
UITouch *touch = [touches anyObject]; NSTimeInterval delaytime =0.4;//自己根據(jù)需要調(diào)整 switch(touch.tapCount) { case1: [self performSelector:@selector(singleTap) withObject:nil afterDelay:delaytime]; break; case2:{ [NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(singl...
www.dbjr.com.cn/article/960...htm 2025-6-2
iOS CoreAnimation 圖層幾何學_IOS_腳本之家
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { CGPoint point = [[touches anyObject]locationInView:self.view]; point = [self.blueLayer convertPoint:point fromLayer:self.view.layer]; if([self.blueLayer containsPoint:point]) { ...
www.dbjr.com.cn/article/1086...htm 2025-5-26