ios 创建和绘画pdf文件 -转
转自：http://blog.csdn.net/ant1239/article/details/7761676
本方法为项目中画pdf的一个方法，画pdf，一共分为几步，1，获取地址，有两种获取地址方法，这是其中一种，2，关联上下文后开始绘画pdf，开始新的一页后必须用cgcontentbeginpage方法开始新的一页，从新设置坐标，等属性。3，释放。pdf就是个画布，我们是往上面画东西，而不是写东西，还有就是pdf用的坐标系是数学坐标，左下角为原点，而不是编程里常用的左上角为为坐标原点～一下是源码，重复的东西有点多，懒得整理了～关键的就那么几句～
-(void)MyPDFContextCreate{
//获取路径
NSArray *paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);坐标
NSString *saveDirectory=[paths objectAtIndex:];
NSString *saveFileName=@"myPDF.pdf";
NSString *newFilePath=[saveDirectory stringByAppendingPathComponent:saveFileName];
const char *filename=[newFilePath UTF8String];
//设置页面大小
CGRect pageRect=CGRectMake(, , , );
//关联上下文的对象
CGContextRef pdfContext;
CFStringRef path;
CFURLRef url;
path=CFStringCreateWithCString(NULL, filename, kCFStringEncodingUTF8);
url=CFURLCreateWithFileSystemPath(NULL, path, kCFURLPOSIXPathStyle, );
CFRelease(path);
pdfContext=CGPDFContextCreateWithURL(url, &pageRect, nil);
CFRelease(url);
//开始画pdf
NSString *temtext=[[NSString alloc]init];
const char *text=(char *)[temtext UTF8String];
int width;
int height;
// 画推荐信
NSNumber *en=[self.fatherobject valueForKey:@"enabel"];
if(en.boolValue){
height=;
//开始画pdf，开始新的一页
CGContextBeginPage(pdfContext, &pageRect);
//设置字体，字体大小等
CGContextSelectFont(pdfContext, "Helvetica", , kCGEncodingMacRoman);
CGContextSetTextDrawingMode(pdfContext, kCGTextFill);
CGContextSetRGBFillColor(pdfContext, , , , );
//画姓名
if(self.firstname!=nil||self.lastname!=nil){
if(self.firstname==nil){
self.firstname=@"";
}
if(self.lastname==nil){
self.lastname=@"";
}
temtext=[NSString stringWithFormat:@"%@ %@",self.firstname,self.lastname];
}
width=[self getfontwidth:temtext fontsize:];
text=(char*)[temtext UTF8String];
CGContextSetFontSize(pdfContext, );
//关键方法，在指定位置画上text文字，文字必须为char类型
CGContextShowTextAtPoint(pdfContext, (-width)/, height, text, strlen(text));
height=height-;
if((self.street!=nil&&![self.street isEqualToString:@""])||
(self.apt!=nil&&![self.apt isEqualToString:@""])||
(self.city!=nil&&![self.city isEqualToString:@""])||
(self.state!=nil&&![self.state isEqualToString:@""])||
(self.zip!=nil&&![self.zip isEqualToString:@""])){
if(self.street==nil){
self.street=@"";
}
if(self.apt==nil){
self.street=@"";
}
if(self.city==nil){
self.city=@"";
}
if(self.state==nil){
self.state=@"";
}
if(self.zip==nil){
self.zip=@"";
}
temtext=[NSString stringWithFormat:@"%@,%@,%@,%@,%@",self.street,self.apt,self.city,self.state,self.zip];
text=(char *)[temtext UTF8String];
width=[self getfontwidth:temtext fontsize:];
CGContextSetFontSize(pdfContext, );
CGContextShowTextAtPoint(pdfContext, (-width)/, height, text, strlen(text));
height=height-;
}
if(self.phone==nil){
self.phone=@"";
}
if(self.fax==nil){
self.fax=@"";
}
if(self.Email==nil){
self.Email=@"";
}
if(self.website==nil){
self.website=@"";
}
if(![self.phone isEqualToString:@""]||
![self.fax isEqualToString:@""]||
![self.Email isEqualToString:@""]||
![self.website isEqualToString:@""]){
temtext=[NSString stringWithFormat:@"Phone:%@, Fax:%@, Email:%@, Website:%@",self.phone,self.fax,self.Email,self.website];
text=(char *)[temtext UTF8String];
width=[self getfontwidth:temtext fontsize:];
CGContextSetFontSize(pdfContext, );
CGContextShowTextAtPoint(pdfContext, (-width)/, height, text, strlen(text));
height=height-;
}
//划线
CGContextMoveToPoint(pdfContext, , height);
CGContextAddLineToPoint(pdfContext, -, height);
CGContextStrokePath(pdfContext);
height=height-;
//画cotterletter内容
NSManagedObject *myobject=[DataController getcontactinfo:self.fatherid];
NSString *myapt=[myobject valueForKey:@"apt"];
NSString *mycity=[myobject valueForKey:@"city"];
NSString *mycompanyname=[myobject valueForKey:@"companyname"];
NSString *myfirstname=[myobject valueForKey:@"firstname"];
NSString *mylastname=[myobject valueForKey:@"lastname"];
NSString *myposition=[myobject valueForKey:@"postion"];
NSString *mystate=[myobject valueForKey:@"state"];
NSString *mystreet=[myobject valueForKey:@"street"];
NSString *mytitle=[myobject valueForKey:@"title"];
NSString *myzip=[myobject valueForKey:@"zip"];
NSDate *mydate=[myobject valueForKey:@"date"];
if(mydate!=nil){
NSDateFormatter *myformatter=[[NSDateFormatter alloc]init];
[myformatter setDateFormat:@"MMMM, yyyy"];
temtext=[NSString stringWithFormat:@"%@",[myformatter stringFromDate:mydate]];
[myformatter release];
text=(char *)[temtext UTF8String];
CGContextSetFontSize(pdfContext, );
CGContextShowTextAtPoint(pdfContext, , height, text, strlen(text));
height=height-;
}
if((mytitle!=nil&&![mytitle isEqualToString:@""])||
(myfirstname!=nil&&![myfirstname isEqualToString:@""])||
(mylastname!=nil&&![mylastname isEqualToString:@""])){
temtext=[NSString stringWithFormat:@"%@ %@ %@",mytitle,myfirstname,mylastname];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
}
if(myposition!=nil&&![myposition isEqualToString:@""]){
temtext=[NSString stringWithFormat:@"%@",myposition];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
}
if(mycompanyname!=nil&&![mycompanyname isEqualToString:@""]){
temtext=[NSString stringWithFormat:@"%@",mycompanyname];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
}
if((![myapt isEqualToString:@""]&&myapt!=nil)||
(![mystreet isEqualToString:@""]&&mystreet!=nil)){
temtext=[NSString stringWithFormat:@"%@.,%@",myapt,mystreet];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
}
if((mycity!=nil&&![mycity isEqualToString:@""])||
(mystate!=nil&&![mystate isEqualToString:@""])||
(myzip!=nil&&![myzip isEqualToString:@""])){
temtext=[NSString stringWithFormat:@"%@,%@,%@",mycity,mystate,myzip];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
}
if((mytitle!=nil&&![mytitle isEqualToString:@""])||
(mylastname!=nil&&![mylastname isEqualToString:@""])){
height=height-;
temtext=[NSString stringWithFormat:@"Dear %@.%@",mytitle,mylastname];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
}
if(self.coverletter!=nil&&![self.coverletter isEqualToString:@""]){
temtext=[NSString stringWithFormat:@"%@",self.coverletter];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
}
//结束
CGContextEndPage(pdfContext);
}
if(YES){
//开始画resume内容
CGContextBeginPage(pdfContext, &pageRect);
CGContextSelectFont(pdfContext, "Helvetica", , kCGEncodingMacRoman);
CGContextSetTextDrawingMode(pdfContext, kCGTextFill);
CGContextSetRGBFillColor(pdfContext, , , , );
//显示first和lastname
if(self.firstname!=nil||self.lastname!=nil){
if(self.firstname==nil)
self.firstname=@"";
if(self.lastname==nil)
self.lastname=@"";
temtext=[NSString stringWithFormat:@"%@ %@",self.firstname,self.lastname];
width=[self getfontwidth:temtext fontsize:];
height=;
text=(char*)[temtext UTF8String];
CGContextShowTextAtPoint(pdfContext, (-width)/, height, text, strlen(text));
}
//显示street等basicinfo信息
//street，apt
if((self.street!=nil &&![self.street isEqualToString:@""])||(self.apt!=nil&&![self.apt isEqualToString:@""])){
if(self.street==nil){
self.street=@"";
}
if(self.apt==nil){
self.apt=@"";
}
height=[self getfontheight:temtext fontsize: height:height];
CGContextSelectFont(pdfContext, "Helvetica", , kCGEncodingMacRoman);
temtext=[NSString stringWithFormat:@"%@,%@",self.street,self.apt];
width=[self getfontwidth:temtext fontsize:];
text=(char *)[temtext UTF8String];
CGContextShowTextAtPoint(pdfContext, (-width)/, height, text,strlen(text));
}
//city,state zip
if((self.city!=nil&&![self.city isEqualToString:@""])||
(self.state!=nil&&![self.state isEqualToString:@""])||
(self.zip!=nil&&![self.state isEqualToString:@""])){
if(self.city==nil){
self.city=@"";
}
if(self.state==nil){
self.state=@"";
}
if(self.zip==nil){
self.zip=@"";
}
height=[self getfontheight:temtext fontsize: height:height];
CGContextSelectFont(pdfContext, "Helvetica", ,kCGEncodingMacRoman );
temtext=[NSString stringWithFormat:@"%@,%@,%@",self.city,self.state,self.zip];
width=[self getfontwidth:temtext fontsize:];
text=(char *)[temtext UTF8String];
CGContextShowTextAtPoint(pdfContext, (-width)/, height, text, strlen(text));
}
//phone
if(self.phone!=nil&&![self.phone isEqualToString:@""]){
height=[self getfontheight:temtext fontsize: height:height];
CGContextSelectFont(pdfContext, "Helvetica", ,kCGEncodingMacRoman );
temtext=[NSString stringWithFormat:@"Phone: %@",self.phone];
width=[self getfontwidth:temtext fontsize:];
text=(char *)[temtext UTF8String];
CGContextShowTextAtPoint(pdfContext, (-width)/, height, text, strlen(text));
}
//fax
if(self.fax!=nil&&![self.fax isEqualToString:@""]){
height=[self getfontheight:temtext fontsize: height:height];
CGContextSelectFont(pdfContext, "Helvetica", ,kCGEncodingMacRoman );
temtext=[NSString stringWithFormat:@"Fax: %@",self.fax];
width=[self getfontwidth:temtext fontsize:];
text=(char *)[temtext UTF8String];
CGContextShowTextAtPoint(pdfContext, (-width)/, height, text, strlen(text));
}
//Email
if(self.Email!=nil&&![self.Email isEqualToString:@""]){
height=[self getfontheight:temtext fontsize: height:height];
temtext=[NSString stringWithFormat:@"Email: %@",self.Email];
width=[self getfontwidth:temtext fontsize:];
text=(char *)[temtext UTF8String];
CGContextShowTextAtPoint(pdfContext, (-width)/, height, text, strlen(text));
}
//website
if(self.website!=nil&&![self.website isEqualToString:@""]){
height=[self getfontheight:temtext fontsize: height:height];
temtext=[NSString stringWithFormat:@"Website: %@",self.website];
width=[self getfontwidth:temtext fontsize:];
text=(char *)[temtext UTF8String];
CGContextShowTextAtPoint(pdfContext, (-width)/, height, text, strlen(text));
}
//Objective
if(self.objective!=nil&&![self.objective isEqualToString:@""]){
//画线
height=[self getfontheight:temtext fontsize: height:height];
CGContextMoveToPoint(pdfContext, , height);
CGContextAddLineToPoint(pdfContext, -, height);
CGContextStrokePath(pdfContext);
height=height-;
text=(char *)[@"Objective" UTF8String];
CGContextSetFontSize(pdfContext, );
CGContextShowTextAtPoint(pdfContext, , height, text, strlen(text));
// CGContextSetFontSize(pdfContext, 10);
height=height+;
temtext=[NSString stringWithFormat:@"%@",self.objective];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
}
//5个可以排序的
for (int i=;i<;i++){
if([OrderData getskillnumber]==i){ //skill
if(self.skills!=nil&&[self.skills count]!=){
// skill划线
height=[self getfontheight:temtext fontsize: height:height];
CGContextMoveToPoint(pdfContext, , height);
CGContextAddLineToPoint(pdfContext, -, height);
CGContextStrokePath(pdfContext);
height=height-;
text=(char *)[@"Skills" UTF8String];
CGContextSetFontSize(pdfContext, );
CGContextShowTextAtPoint(pdfContext, , height, text, strlen(text));
//skill内容
//height=height+13;
for(int i=;i<[self.skills count];i++){
NSManagedObject *object=[self.skills objectAtIndex:i];
temtext=[NSString stringWithFormat:@"* %@",[object valueForKey:@"skill"]];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
// height=height-13;
}
}
}else if([OrderData getothernumber]==i){ //other
if(self.others!=nil&&[self.others count]!=){
// other划线
height=[self getfontheight:temtext fontsize: height:height];
CGContextMoveToPoint(pdfContext, , height);
CGContextAddLineToPoint(pdfContext, -, height);
CGContextStrokePath(pdfContext);
height=height-;
text=(char *)[@"Others" UTF8String];
CGContextSetFontSize(pdfContext, );
CGContextShowTextAtPoint(pdfContext, , height, text, strlen(text));
//other内容
for(int i=;i<[self.others count];i++){
NSManagedObject *object=[self.others objectAtIndex:i];
temtext=[NSString stringWithFormat:@"* %@",[object valueForKey:@"other"]];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
// height=height-13;
}
}
}else if([OrderData getexperiencenumber]==i){ //experience
if(self.experience!=nil&&[self.experience count]!=){
//排序
NSSortDescriptor *descriptor=[NSSortDescriptor sortDescriptorWithKey:@"start" ascending:NO];
[self.experience setArray:[self.experience sortedArrayUsingDescriptors:[NSArray arrayWithObjects:descriptor, nil]]];
// other划线
height=[self getfontheight:temtext fontsize: height:height];
CGContextMoveToPoint(pdfContext, , height);
CGContextAddLineToPoint(pdfContext, -, height);
CGContextStrokePath(pdfContext);
height=height-;
text=(char *)[@"Experience" UTF8String];
CGContextSetFontSize(pdfContext, );
CGContextShowTextAtPoint(pdfContext, , height, text, strlen(text));
//experience内容
for(int i=;i<[self.experience count];i++){
NSManagedObject *object=[self.experience objectAtIndex:i];
NSString *position=[object valueForKey:@"position"];
NSString *companyname=[object valueForKey:@"companyname"];
NSString *location=[object valueForKey:@"location"];
NSDate *startdate=[object valueForKey:@"start"];
NSDate *enddate=[object valueForKey:@"end"];
NSString *thisid=[object valueForKey:@"thisid"];
temtext=[NSString stringWithFormat:@"%@",position];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
temtext=[NSString stringWithFormat:@"%@, %@",companyname,location];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
NSDateFormatter *timeformatter=[[NSDateFormatter alloc]init];
[timeformatter setDateFormat:@"MMMM, yyyy"];
NSNumber *number=(NSNumber*)[object valueForKey:@"currentjob"];
if(!number.boolValue){
temtext=[NSString stringWithFormat:@"%@ ~ %@",[timeformatter stringFromDate:startdate],[timeformatter stringFromDate:enddate]];
}else{
temtext=[NSString stringWithFormat:@"%@ ~ Present",[timeformatter stringFromDate:startdate]];
}
[timeformatter release];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
NSMutableArray *responsibility=[DataController getresponsibility:thisid];
NSLog(@"responsibility cout:%d \n responsibility context:%@",[responsibility count],responsibility);
for(int j=;j<[responsibility count];j++){
NSManagedObject *object=[responsibility objectAtIndex:j];
NSString *respon=[object valueForKey:@"responsibility"];
temtext=[NSString stringWithFormat:@"* %@",respon];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
NSLog(@"J=%d",j);
}
height=height-;
}
}
}else if([OrderData geteducationnumber]==i){ //Education
if(self.education!=nil&&[self.education count]!=){
//排序
NSSortDescriptor *descriptor=[NSSortDescriptor sortDescriptorWithKey:@"starttime" ascending:NO];
[self.education setArray:[self.education sortedArrayUsingDescriptors:[NSArray arrayWithObjects:descriptor, nil]]];
// other划线
height=[self getfontheight:temtext fontsize: height:height];
CGContextMoveToPoint(pdfContext, , height);
CGContextAddLineToPoint(pdfContext, -, height);
CGContextStrokePath(pdfContext);
height=height-;
text=(char *)[@"Education" UTF8String];
CGContextSetFontSize(pdfContext, );
CGContextShowTextAtPoint(pdfContext, , height, text, strlen(text));
//内容
for(int i=;i<[self.education count];i++){
NSManagedObject *object=[self.education objectAtIndex:i];
NSString *schoolname=[object valueForKey:@"school"];
NSDate *startdate=[object valueForKey:@"starttime"];
NSDate *enddate=[object valueForKey:@"endtime"];
NSString *comment=[object valueForKey:@"comment"];
NSString *major=[object valueForKey:@"major"];
//height=height-13;
temtext=[NSString stringWithFormat:@"%@",schoolname];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
NSDateFormatter *timeformatter=[[NSDateFormatter alloc]init];
[timeformatter setDateFormat:@"MMMM, yyyy"];
temtext=[NSString stringWithFormat:@"%@ ~ %@",[timeformatter stringFromDate:startdate],[timeformatter stringFromDate:enddate]];
[timeformatter release];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
temtext=[NSString stringWithFormat:@"%@",major];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
temtext=[NSString stringWithFormat:@"%@",comment];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
}
}
}else if([OrderData getawardnumber]==i){ //award
if(self.awards!=nil&&[self.awards count]!=){
//排序
NSSortDescriptor *descriptor=[NSSortDescriptor sortDescriptorWithKey:@"awarddate" ascending:NO];
[self.awards setArray:[self.awards sortedArrayUsingDescriptors:[NSArray arrayWithObjects:descriptor, nil]]];
// other划线
height=[self getfontheight:temtext fontsize: height:height];
CGContextMoveToPoint(pdfContext, , height);
CGContextAddLineToPoint(pdfContext, -, height);
CGContextStrokePath(pdfContext);
height=height-;
text=(char *)[@"Awards" UTF8String];
CGContextSetFontSize(pdfContext, );
CGContextShowTextAtPoint(pdfContext, , height, text, strlen(text));
//award内容
for(int i=;i<[self.awards count];i++){
NSManagedObject *object=[self.awards objectAtIndex:i];
NSString *comment=[object valueForKey:@"comment"];
NSString *name=[object valueForKey:@"name"];
NSDate *awarddate=[object valueForKey:@"awarddate"];
temtext=[NSString stringWithFormat:@"%@",name];
height= [self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
NSDateFormatter *timeformatter=[[NSDateFormatter alloc]init];
[timeformatter setDateFormat:@"MMMM, dd, yyyy"];
temtext=[NSString stringWithFormat:@"%@",[timeformatter stringFromDate:awarddate]];
[timeformatter release];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
temtext=[NSString stringWithFormat:@"%@",comment];
height=[self plaintextatwith: width: text:temtext height:height fontsize: context:pdfContext];
height=height-;
}
}
}
}
CGContextEndPage(pdfContext);
}
CGContextRelease(pdfContext);
}
ios 创建和绘画pdf文件 -转的更多相关文章
- PDFBox创建并打印PDF文件, 以及缩放问题的处理.
PDFBox带了一些很方便的API, 可以直接创建 读取 编辑 打印PDF文件. 创建PDF文件 public static byte[] createHelloPDF() { ByteArrayOu ...
- ios创建bundle的图片资源文件（转）
在ios开发中为了方便管理资源文件,可以使用bundle的方式来进行管理,比如kkgridview里就是把所需的图片文件全部放在一个bundle来管理的 . 切记目前iOS中只允许使用bundle管理 ...
- ios创建的sqlite数据库文件如何从ios模拟器中导出
为了验证数据库的结构,有的时候需要使用一些管理工具来直接查看sqlite数据库的内容,在windows下有sqlite3的专用工具下载,而在ios下也可以使用火狐浏览器的插件sqlitemanager ...
- ios 创建自己的.a文件
1:首先创建个 静态工程(Cocoa Touch Static Library); 方法名字,一定要暴露在.h文件中, 2:分别在模拟器环境和真机环境下 Analyze (shift+command+ ...
- iOS开发：读取pdf文件
方法一:使用QLPreviewController #pragma mark 浏览存在沙盒的文件 -(void)quickLook { QLPreviewController *QLPreviewV ...
- 怎么用OCR图文识别软件在MS Office中创建PDF文件
ABBYY PDF Transformer+是一款可创建.编辑及将PDF文件转换为其他可编辑格式的OCR图文识别软件,不仅可以从纸质文档.图像文件和任何其他流行格式创建PDF文件(相关文章请参考如何从 ...
- PDF文件的加载及展示
项目需要显示PDF文件,于是遍寻了网络,发现的方法以下几种: 1.使用UIWebView加载,没啥说的,根据文件路径,网络或者本地皆可,创建一个NSURLRequest,然后用webView加载就可以 ...
- 使用iTextSharp修改PDF文件（一）
这个iTextSharp确实是个好东西,可以创建.读取PDF格式的文档,虽然我的需求比较简单,但我首先还是基本上.完整地看完了它的相关文档,不喜欢英文的同志,可以搜索一篇<用C#制作PDF文件全 ...
- 使用pdfFactory为PDF文件设定查看选项
一般情况下,大部分PDF文件都会按照默认的查看设置,以100%的尺寸显示第一页的内容.但在一些特殊情况下,PDF文件的创建者会设定其他的文件查看尺寸,或设定打开页为第N页,来达到引起阅读者关注的目的. ...
随机推荐
- HadoopMapReduce运行机制
1.map方法读取一个文件的一行记录进行分析, 输入:LongWritable(当前读取的文件位置), Text(内容) 2.map将读取到的信息进行分类,输入Context (键值对) ;作为 ...
- 点滴记录——Ubuntu 14.04中Chrome浏览器标题栏出现中文乱码
今天不知道在系统里装的哪个软件与Chrome浏览器所用的字体向冲突了,导致标题栏显示的中文都变成了乱码,其次收藏栏中的中文也变成了乱码.导致原有的收藏内容都无法辨认了.在网上搜索了一下,也有人遇到了相 ...
- FMDB中常用SQL使用
大家工作中,最常用到的无非是 增.删.查.改... 在SQL中对应的语句为:INSERT DELETE SELECT UPDATE 首先,你可以使用一款叫做“sqlite database brows ...
- 偶遇HiWork，请不要擦肩而过
非常多朋友可能都不了解HiWork,在这里介绍一下. HiWork是基于云存储的团队即时沟通协作平台,主要针对于中小团队及中小企业的即时沟通,让团队沟通更顺畅.在HiWork平台可即时得知所使用第三方 ...
- C++中各大有名的科学计算库
在 C++中,库的地位是非常高的.C++之父 Bjarne Stroustrup先生多次表示了设计库来扩充功能要好过设计更多的语法的言论.现实中,C++的库门类繁多,解决 的问题也是极其广泛,库从轻量 ...
- ps -ef | grep
ps -ef | grep java 查看所有关于java的进程 root 17540 1 0 2009 ? 01:42:27 /usr/java/jdk1.5. ...
- VA市场高烧已退，逐渐降温
本周市场国产VA报价在175元/公斤左右,较上周滑落.因前期停报的厂家均已报价,个别国产厂家报价较低,各厂家间报价价差较大,彰显不同态度.国内厂家供应依然偏紧,但较前期已缓解.中小饲料企业库存偏低,近 ...
- Lightoj 1025 - The Specials Menu
区间dp /* *********************************************** Author :guanjun Created Time :2016/6/30 23:2 ...
- 浅谈Linux Kernel 中循环链表的实现
前阵子在弄缓存的时候,我们需要将qemu对于磁盘镜像文件写请求串成一个链表,最终将这个链表里面的写请求全部刷回到镜像文件里面,那么我们便需要一个强健,可靠的链表的接口,于是我们仿照Linux 2.4. ...
- Iphone 启动图的尺寸
APP图标设置 - 取Images.xcassets中的AppIcon, 图标尺寸 29pt * 2x => 58 * 5829pt * 3x => 87 * 8740pt * 2x =& ...