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.docx

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信号报告switchcase语句的应用.docx

信号报告switchcase语句的应用

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bootstrap绿色大气后台模板下载,BP网络进行手写数字识别,BruteForce算法的简单实现

byte数组转化成16进制字符串,C语言HTTP协议的简单实现,C语言linuxsocket网络编程常用函数

[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

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{

publicstaticListfind(int[][]matrix){

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)

{

Stackstack=newStack();

TreeNodecurrent=tail;

for(;;)

{

if(current==null){

break;

}

Pospos=newPos();

pos.x=current.getX();

pos.y=current.getY();

stack.push(pos);

current=current.getFather();

}

Listlist=newLinkedList();

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;

}

}

Listlist=current.getChildren();

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;

privateListchildren;

privateintx;

privateinty;

publicTreeNode()

{

children=newArrayList();

}

publicvoidsetFather(TreeNodefather){

this.father=father;

}

publicTreeNodegetFather(){

returnfather;

}

publicListgetChildren(){

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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