2020-02-16 标签:php,图片,加水,原理,简单,实例,代码,文字,水印,实现,如下,w,80,h,20,im,textcolor

文字水印: 实现代码如下： $w = 80; $h = 20; $im = imagecreatetruecolor($w,$h); $textcolor = imagecolorallocate($im, 123, 12, 255); $white = imagecolorallocate($im

2020-02-16 标签:mysql,prepare,语句,sql,语法,statement,n,ame,preparable,定义,execute,using,var,执行,预处理,deallocate,drop,删除,用于,预备

MySQL prepare语法： PREPARE statement_name FROM preparable_SQL_statement; /*定义*/ EXECUTE statement_name [USING @var_name [, @var_name] ...]; /*执行预处理语句*/

2020-02-16 标签:php,图片,验证,实现,代码,gd,函数,创建,真彩,图像,int,x,size,y

GD库的函数 1,imagecreatetruecolor -----创建一个真彩色的图像 imagecreatetruecolor(int x_size,int y_size) //x表示宽，y表示高 2，imagecolorallocate 为一幅图像分配颜色（调色板） imagecoloral

2020-02-16 标签:mysql,locate,position,函数,使用方法,substr,str,返回,字符串,第一次,出现,位置,不存在,select,bar,foobarbar

LOCATE(substr,str) POSITION(substr IN str) 返回子串 substr 在字符串 str 中第一次出现的位置。如果子串 substr 在 str 中不存在，返回值为 0： mysql> SELECT LOCATE('bar', ‘foobarbar');

2020-02-16 标签:oracle,i,动态,sga,pga,特性,探索,latest,release,10,changed,default,values,memory,allocated,a,single,sql

“In the latest release 10.2 Oracle changed these default values. The memory allocated to a single SQL operator (_smm_max_size) is limited to: for P_A_

2020-02-16 标签:php,图片,添加,透明度,渐变,效果,实现,代码,如下,strimgsrc,file,contents,http,127,5307754,jpg,imgsrc

实现代码如下：= 128) $alphax = 127; $alpha = imagecolorallocatealpha($imgsrc, 255, 255, 255, $alphax); imagefilledrectangle($imgsrc, ($i+$x1), $y1, ($i+$x1+1

2020-02-16 标签:use,word,search,files,script,uses,microsoft,locate,mp,stored,drive,c,local,computer,实现,代码,如下,set

Demonstration script that uses Microsoft Word to locate all the .mp3 files stored on drive C of the local computer实现代码如下：Set objWord = CreateObject("W

2020-02-16 标签:locate,a,file,using,open,dialog,box,script,displays,folder,c,scripts,echoes,back,n,ame,selected,supported,platforms

Demonstration script that displays a File Open dialog box (open to the folder C:\Scripts), and then echoes back the name of the selected file.Supporte