信号报告switchcase语句的应用.docx
- 文档编号:9783556
- 上传时间:2023-02-06
- 格式:DOCX
- 页数:42
- 大小:26.30KB
信号报告switchcase语句的应用.docx
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信号报告switchcase语句的应用
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[文件]form.php ~ 912B (154)
php
$form_description=$_POST['form_description'];
$form_data_name=$_FILES['form_data']['name'];
$form_data_size=$_FILES['form_data']['size'];
$form_data_type=$_FILES['form_data']['type'];
$form_data=$_FILES['form_data']['tmp_name'];
//echo"winson";
//ßB½Óµ½ÙYÁÏŽì
//C语言打造与PHP方便的字符串处理函数
$connect=MYSQL_CONNECT("localhost","root","admin")ordie("UnabletoconnecttoMySQLserver");
mysql_select_db("blogsystem")ordie("Unabletoselectdatabase");
$data=addslashes(fread(fopen($form_data,"r"),filesize($form_data)));
//echo"mysqlPicture=".$data;
//C语言获取当前执行文件所在的目录
//C语言获取当前执行文件所在的目录
$result=MYSQL_QUERY("INSERTINTOccs_image(description,bin_data,filename,filesize,filetype)VALUES('$form_description','$data','$form_data_name','$form_data_size','$form_data_type')");
$id=mysql_insert_id();
print"
ThisfilehasthefollowingDatabaseID:
id=$id'>$id"; //C语言实现双向链表(支持双向迭代) //C语言实现线程池,支持动态拓展和销毁 MYSQL_CLOSE(); ? > [文件]get_data.php ~ 874B (137) php if(isset($_GET['id'])){ $id=$_GET['id']; $connect=MYSQL_CONNECT("localhost","root","admin")ordie("UnabletoconnecttoMySQLserver"); mysql_select_db("blogsystem")ordie("Unabletoselectdatabase"); $query="selectbin_data,filetypefromccs_imagewhereid=$id"; $result=@MYSQL_QUERY($query); $out=mysql_fetch_array($result); $data=$out["bin_data"]; $type=$out["filetype"]; Header("Content-type: $type"); echo$data; } if(isset($_GET["pic_id"])) { $pic_id=$_GET['pic_id']; $connect=MYSQL_CONNECT("localhost","root","admin")ordie("UnabletoconnecttoMySQLserver"); mysql_select_db("blogsystem")ordie("Unabletoselectdatabase"); $query="select*fromccs_imagewhereid=$pic_id"; $result=@MYSQL_QUERY($query); $out=mysql_fetch_array($result); echo$out["id"]; } ? > [文件]new_file.php ~ 1KB (138) php $connect=MYSQL_CONNECT("localhost","root","admin")ordie("UnabletoconnecttoMySQLserver"); mysql_select_db("blogsystem")ordie("Unabletoselectdatabase"); $sql="select*fromccs_image"; $result=mysql_query($sql)ordie(mysql_error()); while($out=@mysql_fetch_array($result)) { echo" height: 100px;width: 100px;'src='get_data.php? id=".$out['id']."'onmouseover='see_big(".$out['id'].")'/> } ? > $(document).ready(function(){ }); functionsee_big(id) { varpic_id=id; $.ajax({ type: "GET", data: "pic_id="+pic_id, : "get_data.php", dataType: 'text', success: function(data) { $("#big_picimg").attr("src","get_data.php? id="+data); } }) } 500px;width: 600px;position: absolute;margin-left: 200px;margin-top: -550px;">
";
FileDescription:
Filetoupload/storeindatabase:
[代码][Java]代码
packagecom.ejintai.test;
importjava.io.FileInputStream;
importjava.io.FileOutputStream;
importjava.io.IOException;
importjava.nio.channels.FileChannel;
publicclassFileCopy
{
publicstaticvoidmain(String[]args)throwsIOException{
Stringsourcefile="E:
\\参考资料\\设计模式.pdf";
Stringtargetfile="E:
\\参考资料\\设计模式1.pdf";
copyfile(sourcefile,targetfile);
}
/**
*
*方法用途:
文件拷贝
*方法名:
copyfile
*返回值:
void
*
*参数:
@paramsourcefile源文件
*参数:
@paramtargetfile目标文件
*参数:
@throwsIOException
*/
privatestaticvoidcopyfile(Stringsourcefile,Stringtargetfile)throwsIOException{
FileChannelsourcefc=newFileInputStream(sourcefile).getChannel();
FileChanneltargetfc=newFileOutputStream(targetfile).getChannel();
sourcefc.transferTo(0,sourcefc.size(),targetfc);
//上面没有进行文件是否存在的判断和异常的处理
}
}
[代码]pythonsqlite3的常规使用
#Filename:
DBcon.py
importsqlite3
importtime
conn=sqlite3.connect(r'D:
\Exercise\Python\DB\example.db')
c=conn.cursor()
c.execute("Createtableifnotexistsstocks(datetext,transtext,symboltext,qtyreal,pricereal)")
flag=raw_input("Doyouwannacleanthetable?
(y/n):
")
ifflag=='y':
c.execute("deletefromstocks")
c.execute("Insertintostocksvalues('"+time.strftime('%Y-%m-%d%H:
%m:
%S')+"','Buy','Rhatd',1000,23.14)")
connmit()
c.execute('select*fromstocks')
res=c.fetchall()
count=0
printres
print'-'*60
forlineinres:
forfinline:
count=count+1
printcount,f,
print'-'*60
print'-'*60
print'Thereare%drecords!
'%count
c.close()
conn.close()
[代码][Shell/批处理]代码
MACADDR="52:
54:
$(ddif=/dev/urandomcount=12>/dev/null|md5sum|sed's/^\(..\)\(..\)\(..\)\(..\).*$/\1:
\2:
\3:
\4/')";echo$MACADDR
[文件]PathUtil.java ~ 3KB (10)
packagesmoke;
importjava.util.LinkedList;
importjava.util.List;
importjava.util.Stack;
publicclassPathUtil{
publicstaticList
intWIDTH=matrix.length;
intHEIGHT=matrix[0].length;
int[][]used=newint[WIDTH][HEIGHT];
TreeNoderoot=newTreeNode();
root.setFather(null);
root.setX(0);
root.setY(0);
TreeNodetail=buildTree(root,matrix,used);
if(tail!
=null)
{
Stack
TreeNodecurrent=tail;
for(;;)
{
if(current==null){
break;
}
Pospos=newPos();
pos.x=current.getX();
pos.y=current.getY();
stack.push(pos);
current=current.getFather();
}
List
while(stack.size()>0)
{
list.add(stack.pop());
}
returnlist;
}
returnnull;
}
privatestaticTreeNodebuildTree(TreeNodecurrent,int[][]matrix,int[][]used)
{
intWIDTH=matrix.length;
intHEIGHT=matrix[0].length;
intx=current.getX();
inty=current.getY();
if(x+1 { if(matrix[x+1][y+1]==0&&matrix[x+1][y]==0&&matrix[x][y+1]==0&&used[x+1][y+1]==0) { TreeNodenode=newTreeNode(); node.setFather(current); node.setX(x+1); node.setY(y+1); current.getChildren().add(node); used[x+1][y+1]=1; if(x+1==WIDTH-1&&y+1==HEIGHT-1) { returnnode; } } } if(x+1 { if(matrix[x+1][y]==0&&used[x+1][y]==0) { TreeNodenode=newTreeNode(); node.setFather(current); node.setX(x+1); node.setY(y); current.getChildren().add(node); used[x+1][y]=1; if(x+1==WIDTH-1&&y==HEIGHT-1) { returnnode; } } } if(y+1 { if(matrix[x][y+1]==0&&used[x][y+1]==0) { TreeNodenode=newTreeNode(); node.setFather(current); node.setX(x); node.setY(y+1); current.getChildren().add(node); used[x][y+1]=1; if(x==WIDTH-1&&y+1==HEIGHT-1) { returnnode; } } } if(y-1>=0) { if(matrix[x][y-1]==0&&used[x][y-1]==0) { TreeNodenode=newTreeNode(); node.setFather(current); node.setX(x); node.setY(y-1); current.getChildren().add(node); used[x][y-1]=1; } } if(x-1>=0) { if(matrix[x-1][y]==0&&used[x-1][y]==0) { TreeNodenode=newTreeNode(); node.setFather(current); node.setX(x-1); node.setY(y); current.getChildren().add(node); used[x-1][y]=1; } } if(x-1>=0&&y-1>=0) { if(matrix[x-11][y-11]==0&&matrix[x-1][y]==0&&matrix[x][y-1]==0&&used[x-1][y-1]==0) { TreeNodenode=newTreeNode(); node.setFather(current); node.setX(x-1); node.setY(y-1); current.getChildren().add(node); used[x-1][y-1]=1; } } List if(list.size()<=0) { returnnull; } for(TreeNodenode: list) { TreeNodetail=buildTree(node,matrix,used); if(tail! =null) { returntail; } } returnnull; } } [文件]Pos.java ~ 73B (8) packagesmoke; publicclassPos{ publicintx; publicinty; } [文件]TreeNode.java ~ 626B (8) packagesmoke; importjava.util.ArrayList; importjava.util.List; publicclassTreeNode{ privateTreeNodefather; privateList privateintx; privateinty; publicTreeNode() { children=newArrayList } publicvoidsetFather(TreeNodefather){ this.father=father; } publicTreeNodegetFather(){ returnfather; } publicList returnchildren; } publicvoidsetX(intx){ this.x=x; } publicintgetX(){ returnx; } publicvoidsetY(inty){ this.y=y; } publicintgetY(){ returny; } } [代码][PHP]代码 classUser{ staticfunctiongetInstance() { if(self: : $instance==NULL){//Ifinstanceisnotcreatedyet,willcreateit. self: : $instance=newUser(); } returnself: : $instance; } privatefunction__construct() //Constructormethodasprivatesobymistakedevelopernotcrate //secondobjectoftheUserclasswiththeuseofnewoperator { } privatefunction__clone() //Clonemethodasprivatesobymistakedevelopernotcrate //secondobjectoftheUserclasswiththeuseofclone. { } functionLog($str) { echo$str; } staticprivate$instance=NULL; } User: : getInstance()->Log("WelcomeUser"); [代码][JavaScript]代码 (function(){ vari=null; functionk(){ returnFunction.prototype.call.apply(Array.prototype.slice,arguments) } functionl(a,b){ varc=k(arguments,2); returnfunction(){ returnb.apply(a,c) } } functionm(a,b){ varc=newn(b); for(c.f=[a];c.f.length;){ vare=c, d=c.f.shift(); e.g(d); for(d=d.firstChild;d;d=d.nextSibling)d.nodeType==1&&e.f.push(d) } } functionn(a){ this.g=a } functiono(a){ a.style.display="" } functio
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