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最新最全的文档下载模仿csdn的代码，己整理的Linux常用命令
爬取百度贴吧的网页,由CM安卓6卡刷包精简生成自己的卡刷包 [Shell/批处理],写的tcp聊天室，模仿csdn的代码,己整理的Linux常用命令（非常适用于快速入门/快速温习 [其他]自适应屏幕大小。兼容各个浏览器包括ie6 最简单的python命令解析器
vector
vector
printf("Result of max subarray for a: ");
for (int i = 0; i < c.size(); i++)
printf("%d ", c.at(i));
printf("\n");
printf("Result of max subarray for b: ");
for (int i = 0; i < d.size(); i++)
printf("%d ", d.at(i));
}
[文件] Angle.cpp ~ 5KB
#include "Angle.h"
#include "MainWindow.h"
#include "math.h"
// java多用户商城系统
//Java连接PostgreSQL数据库
//Java连接PostgreSQL数据库
//java爬虫gecco的demo
CAngle::CAngle()
{
angle = 0;
m_hitPen.setColor(Qt::red);
m_hitPen.setWidth(5);
ang_info_pen.setColor(Qt::blue);
m_shapeType = CDrawWin::SHAPE_ANGLE;
qDebug() << __func__ <<""<< __LINE__;
}
// JavaScript正则校验工具库
//javascript中的闭包
//JavaScript做的日历
void CAngle::drawShape(QPainter &pt)
{
int i = 0;
QPainterPath path;
qDebug() << __func__ <<""<< __LINE__;
for(i = 0;i < m_pt.size();i++) {
QPoint ltPt_0(m_pt[i].x()-2,m_pt[i].y()-2);
QPoint rbPt_0(m_pt[i].x()+2,m_pt[i].y()+2);
QRect rec_0(ltPt_0,rbPt_0);
m_hitPen.setColor(Qt::red);
pt.setPen(m_hitPen);
pt.drawRect(rec_0);
if(i == 1) {
QPoint ltPt_0(m_pt[i].x()-2,m_pt[i].y()-2);
QPoint rbPt_0(m_pt[i].x()+2,m_pt[i].y()+2);
QRect rec_0(ltPt_0,rbPt_0);
m_hitPen.setColor(Qt::green);
pt.setPen(m_hitPen);
pt.drawRect(rec_0);
}
}
pt.setPen(angle_pen);
path.moveTo(m_pt[0]);
path.lineTo(m_pt[1]);
path.lineTo(m_pt[2]);
qDebug() << __func__ <<""<< __LINE__;
pt.drawPath(path);
}
//JavaScript控制选项卡切换
//java实现多客户端聊天室
[代码] [Google Go]代码
package main
import (
"io/ioutil"
"net/http"
"net/"
"fmt"
"encoding/json"
)
const APPKEY = "*******************" //您申请的APPKEY
func main(){
//1.上海黄金交易所
Request1()
//2.上海期货交易所
Request2()
//3.银行账户黄金
Request3()
}
//1.上海黄金交易所
func Request1(){
//请求地址
juhe :="web:8080/finance/gold/shgold"
//初始化参数
param:=.Values{}
//配置请求参数,方法内部已处理encode问题,中文参数可以直接传参
param.Set("key",APPKEY) //APP Key
param.Set("v","") //JSON格式版本(0或1)默认为0
//发送请求
data,err:=Get(juhe,param)
if err!=nil{
fmt.Errorf("请求失败,错误信息:\r\n%v",err)
}else{
var netReturn map[string]interface{}
json.Unmarshal(data,&netReturn)
if netReturn["error_code"].(float64)==0{
fmt.Printf("接口返回result字段是:\r\n%v",netReturn["result"])
}
}
}
//2.上海期货交易所
func Request2(){
//请求地址
juhe :="web:8080/finance/gold/shfuture"
//初始化参数
param:=.Values{}
//配置请求参数,方法内部已处理encode问题,中文参数可以直接传参
param.Set("key",APPKEY) //APP Key
param.Set("v","") //JSON格式版本(0或1)默认为0
//发送请求
data,err:=Get(juhe,param)
if err!=nil{
fmt.Errorf("请求失败,错误信息:\r\n%v",err)
}else{
var netReturn map[string]interface{}
json.Unmarshal(data,&netReturn)
if netReturn["error_code"].(float64)==0{
fmt.Printf("接口返回result字段是:\r\n%v",netReturn["result"])
}
}
}
//3.银行账户黄金
func Request3(){
//请求地址
juhe :="web:8080/finance/gold/bankgold"
//初始化参数
param:=.Values{}
//配置请求参数,方法内部已处理encode问题,中文参数可以直接传参
param.Set("key",APPKEY) //APP Key
//发送请求
data,err:=Get(juhe,param)
if err!=nil{
fmt.Errorf("请求失败,错误信息:\r\n%v",err)
}else{
var netReturn map[string]interface{}
json.Unmarshal(data,&netReturn)
if netReturn["error_code"].(float64)==0{
fmt.Printf("接口返回result字段是:\r\n%v",netReturn["result"])
}
}
}
// get 网络请求
func Get(api string,params .Values)(rs[]byte ,err error){
var *.
,err=.Parse(api)
if err!=nil{
fmt.Printf("解析错误:\r\n%v",err)
return nil,err
}
//如果参数中有中文参数,这个方法会进行Encode
.RawQuery=params.Encode()
resp,err:=http.Get(.String())
if err!=nil{
fmt.Println("err:",err)
return nil,err
}
defer resp.Body.Close()
return ioutil.ReadAll(resp.Body)
}
// post 网络请求 ,params 是.Values类型
func Post(api string, params .Values)(rs[]byte,err error){
resp,err:=http.PostForm(api, params)
if err!=nil{
return nil ,err
}
defer resp.Body.Close()
return ioutil.ReadAll(resp.Body)
}
代码描述：基于GO的黄金数据接口调用代码实例
关联数据：黄金数据
[代码] [C#]代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.IO;
using Xfrog.Net;
using System.Diagnostics;
using System.Web;
//----------------------------------
// 黄金数据调用示例代码 － 聚合数据
// 在线接口文档：www/docs/29
// 代码中JsonObject类下载地址:/download/gcm3206021155665/7458439
//----------------------------------
namespace ConsoleAPI
{
class Program
{
static void Main(string[] args)
{
string appkey = "*******************"; //配置您申请的appkey
//1.上海黄金交易所
string 1 = "web:8080/finance/gold/shgold";
var parameters1 = new Dictionary
parameters1.Add("key", appkey);//你申请的key
parameters1.Add("v" , ""); //JSON格式版本(0或1)默认为0
string result1 = sendPost(1, parameters1, "get");
JsonObject newObj1 = new JsonObject(result1);
String errorCode1 = newObj1["error_code"].Value;
if (errorCode1 == "0")
{
Debug.WriteLine("成功");
Debug.WriteLine(newObj1);
}
else
{
//Debug.WriteLine("失败");
Debug.WriteLine(newObj1["error_code"].Value+":"+newObj1["reason"].Value);
}
//2.上海期货交易所
string 2 = "web:8080/finance/gold/shfuture";
var parameters2 = new Dictionary
parameters2.Add("key", appkey);//你申请的key
parameters2.Add("v" , ""); //JSON格式版本(0或1)默认为0
string result2 = sendPost(2, parameters2, "get");
JsonObject newObj2 = new JsonObject(result2);
String errorCode2 = newObj2["error_code"].Value;
if (errorCode2 == "0")
{
Debug.WriteLine("成功");
Debug.WriteLine(newObj2);
}
else
{
//Debug.WriteLine("失败");
Debug.WriteLine(newObj2["error_code"].Value+":"+newObj2["reason"].Value);
}
//3.银行账户黄金
string 3 = "web:8080/finance/gold/bankgold";
var parameters3 = new Dictionary
parameters3.Add("key", appkey);//你申请的key
string result3 = sendPost(3, parameters3, "get");
JsonObject newObj3 = new JsonObject(result3);
String errorCode3 = newObj3["error_code"].Value;
if (errorCode3 == "0")
{
Debug.WriteLine("成功");
Debug.WriteLine(newObj3);
}
else
{
//Debug.WriteLine("失败");
Debug.WriteLine(newObj3["error_code"].Value+":"+newObj3["reason"].Value);
}
}
///
/// Http (GET/POST)
///
/// 请求
/// 请求参数
/// 请求方法
///
static string sendPost(string , IDictionary
{
if (method.ToLower() == "post")
{
HttpWebRequest req = null;
HttpWebResponse rsp = null;
System.IO.Stream reqStream = null;
try
{
req = (HttpWebRequest)WebRequest.Create();
req.Method = method;
req.KeepAlive = false;
req.ProtocolVersion = HttpVersion.Version10;
req.Timeout = 5000;
req.ContentType = "application/x-www-form-encoded;charset=utf-8";
byte[] postData = Encoding.UTF8.GetBytes(BuildQuery(parameters, "utf8"));
reqStream = req.GetRequestStream();
reqStream.Write(postData, 0, postData.Length);
rsp = (HttpWebResponse)req.GetResponse();
Encoding encoding = Encoding.GetEncoding(rsp.CharacterSet);
return GetResponseAsString(rsp, encoding);
}
catch (Exception ex)
{
return ex.Message;
}
finally
{
if (reqStream != null) reqStream.Close();
if (rsp != null) rsp.Close();
}
}
else
{
//创建请求
HttpWebRequest request = (HttpWebRequest)WebRequest.Create( + "?" + BuildQuery(parameters, "utf8"));
//GET请求
request.Method = "GET";
request.ReadWriteTimeout = 5000;
request.ContentType = "text/html;charset=UTF-8";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream myResponseStream = response.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
//返回内容
string retString = myStreamReader.ReadToEnd();
return retString;
}
}
///
/// 组装普通文本请求参数。
///
/// Key-Value形式请求参数字典
///
static string BuildQuery(IDictionary
{
StringBuilder postData = new StringBuilder();
bool hasParam = false;
IEnumerator
while (dem.MoveNext())
{
string name = dem.Current.Key;
string value = dem.Current.Value;
// 忽略参数名或参数值为空的参数
if (!string.IsNullOrEmpty(name))//&& !string.IsNullOrEmpty(value)
{
if (hasParam)
{
postData.Append("&");
}
postData.Append(name);
postData.Append("=");
if (encode == "gb2312")
{
postData.Append(HttpUtility.Encode(value, Encoding.GetEncoding("gb2312")));
}
else if (encode == "utf8")
{
postData.Append(HttpUtility.Encode(value, Encoding.UTF8));
}
else
{
postData.Append(value);
}
hasParam = true;
}
}
return postData.ToString();
}
///
/// 把响应流转换为文本。
/// mary>
/// 响应流对象
/// 编码方式
///
static string GetResponseAsString(HttpWebResponse rsp, Encoding encoding)
{
System.IO.Stream stream = null;
StreamReader reader = null;
try
{
// 以字符流的方式读取HTTP响应
stream = rsp.GetResponseStream();
reader = new StreamReader(stream, encoding);
return reader.ReadToEnd();
}
finally
{
// 释放资源
if (reader != null) reader.Close();
if (stream != null) stream.Close();
if (rsp != null) rsp.Close();
}
}
}
}
[代码] [PHP]代码
/**
* c远程传输工具
*/
public function post_c($,$body,$header,$type='POST'){
$ch = c_init();
c_setopt($ch,COPT_,$);
c_setopt($ch,COPT_HEADER,0);//0只要正文
c_setopt($ch,COPT_TIMEOUT,5);//设置超时时间
c_setopt($ch,COPT_CONNECTTIMEOUT,5);
//将c_exec()获取的信息以文件流的形式返回，而不是直接输出。
c_setopt($ch,COPT_RETURNTRANSFER,1);
//增加header头信息
// array_push($header,'Accept:application/json');
// array_push($header,'Content-Type:application/json');
// array_push($header,'http:multipart/form-data');
if(count($body)>0){
c_setopt($ch,COPT_POSTFIELDS,$body);
}
if(count($header)>0){
c_setopt($ch,COPT_HTTPHEADER,$header);
}
//设置上传文件相关
c_setopt($ch,COPT_FOLLOWLOCATION,true);
c_setopt($ch,COPT_MAXREDIRS,3);//递归
c_setopt($ch,COPT_SSL_VERIFYPEER,false);// 对认证证书来源的检查
c_setopt($ch,COPT_SSL_VERIFYHOST,0);// 从证书中检查SSL加密算法
switch ($type) {
case 'GET':
c_setopt($ch,COPT_HTTPGET,1);
break;
case 'POST':
c_setopt($ch,COPT_POST,1);
break;
case 'PUT':
c_setopt($ch,COPT_CUSTOMREQUEST,'PUT');
break;
case 'DELETE':
c_setopt($ch,COPT_CUSTOMREQUEST,'DELETE');
break;
}
//上传文件相关设置
c_setopt($ch,COPT_ENCODING,'gzip');
c_setopt($ch,COPT_USERAGENT,'SSTS Browser/1.0');
c_setopt($ch,COPT_USERAGENT,'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)');// 模拟用户使用的浏览器
if(c_errno($ch)){
return c_error($ch);
}
$content = c_exec($ch);
c_close($ch);//关闭c资源，并且释放系统资源
$result = json_decode($content,true);
if(!empty($result)){
return $result;
}else{
return $content;
}
}
[代码] [C/C++]代码
/*
编译指令
$ /opt/sybase/OCS-16_0/bin/cpre64 -m teststu.cp
$ cc -m64 -g -DSYB_LP64 -I. -I/opt/sybase/OCS-16_0/include teststu.c /opt/sybase/OCS-16_0/include/sybesql.c -L/opt/sybase/OCS-16_0/lib -lsybct64 -lsybtcl64 -lsybcs64 -lsybcomn64 -lsybintl64 -lsybunic64 -rdynamic -ldl -lnsl -lm -o teststu
*/
#include
www.jat.cn 小型臭氧发生器 侳侱侲
/*建立通讯区域*/
EXEC SQL INCLUDE SQLCA;
/*
** These tokens must be declared in a declare section
** because they are used in declare sections below.
*/
EXEC SQL BEGIN DECLARE SECTION;
#define TYPESIZE 13
#define TIDSIZE 6
EXEC SQL END DECLARE SECTION;
#define EOLN '\0'
/*
** Forward declarations of the error and message handlers and
** other subroutines called from main().
*/
void error_handler();
void warning_handler();
int
main(int argc, char *argv[])
{
/*声明宿主变量*/
EXEC SQL BEGIN DECLARE SECTION;
/* storage for login name and password. */
char username[30];
char sname[30];
char password[30];
char server[30];
EXEC SQL END DECLARE SECTION;
/*错误处理*/
EXEC SQL WHENEVER SQLERROR CALL error_handler();
EXEC SQL WHENEVER SQLWARNING CALL warning_handler();
EXEC SQL WHENEVER NOT FOUND CONTINUE;
/*连接到 SQL SERVER 服务器*/
/*
** Copy the user name and password defined in sybsqlex.h to
** the variables declared for them in the declare section.
*/
strcpy(username, "mymotif");
strcpy(password, "wxwpxh");
strcpy(server, "MYMOTIFVOSTRO145480");
EXEC SQL CONNECT :username IDENTIFIED BY :password using :server;
EXEC SQL USE testdb;
EXEC SQL DECLARE c1 CURSOR FOR
SELECT SNAME FROM STUDENT;
EXEC SQL OPEN c1;
printf("name in table student\n");
do {
EXEC SQL FETCH c1 INTO :sname;
if (sqlca.sqlcode != 0) break;
printf( "student name = %s\n", sname );
} while ( 1 );
EXEC SQL CLOSE c1;
return(0);
}
/*错误处理程序*/
/*
** void error_handler()
**
** Displays error codes and numbers from the SQLCA and exits with
** an ERREXIT status.
*/
void
error_handler(void)
{
fprintf(stderr, "\n** SQLCODE=(%ld)", sqlca.sqlcode);
if (sqlca.sqlerrm.sqlerrml)
{
fprintf(stderr, "\n** ASE Error ");
fprintf(stderr, "\n** %s", sqlca.sqlerrm.sqlerrmc);
}
fprintf(stderr, "\n\n");
exit(-1);
}
/*
** void warning_handler()
**
** Displays warning messages.
*/
void
warning_handler(void)
{
if (sqlca.sqlwarn[1] == 'W')
{
fprintf(stderr,
"\n** Data truncated.\n");
}
if (sqlca.sqlwarn[3] == 'W')
{
fprintf(stderr,
"\n** Insufficient host variables to store results.\n");
}
return;
}
[代码] Log4j配置
导入这个包,会引入下面两个jar
<artifactId>aspectjweaver
[文件] 无缝滚动.html ~ 1KB
background: red; overflow: hidden; } [代码] 获取的参数 //获取的参数 function getParam(paramKey){ //获取当前 var = location.href; //获取要取得的get参数位置 var get = .indexOf(paramKey +"="); if(get == -1){ return false; } //截取字符串 var getParamStr = .slice(paramKey.length + get + 1); //判断截取后的字符串是否还有其他get参数 var nextparam = getParamStr.indexOf("&"); if(nextparam != -1){ getParamStr = getParamStr.slice(0, nextparam); } return decodeURIComponent(getParamStr); } [代码] 添加参数 //添加参数 function addParam(,paramKey,paramVal){ var andStr = "?"; var beforeparam = .indexOf("?"); if(beforeparam != -1){ andStr = "&"; } return + andStr + paramKey + "="+ encodeURIComponent(paramVal); } [代码] 删除参数 //删除参数 function delParam(,paramKey){ var Param = .substr(.indexOf("?")+1); var before = .substr(0,.indexOf("?")); var next = ""; var arr = new (); if(Param!=""){ var ParamArr = Param.split("&"); for(var i=0;i var paramArr = ParamArr[i].split("="); if(paramArr[0]!=paramKey){ arr.push(ParamArr[i]); } } } if(arr.length>0){ next = "?"+arr.join("&"); } = before+next; return ; } [代码] [C#]代码 #region 防止sql注入式攻击(可用于UI层控制） /// /// 判断字符串中是否有SQL攻击代码 /// /// 传入用户提交数据 /// true-安全；false-有注入攻击现有； public bool ProcessSqlStr(string inputString) { string SqlStr = @"and|or|exec|execute|insert|select|delete|update|alter|create|drop|count|\*|chr|char|asc|mid|substring|master|truncate|declare|xp_cmdshell|restore|backup|net +user|net +localgroup +administrators"; try { if ((inputString != null) && (inputString != String.Empty)) { string str_Regex = @"\b(" + SqlStr + @")\b"; Regex Regex = new Regex(str_Regex, RegexOptions.IgnoreCase); //string s = Regex.Match(inputString).Value; if (true == Regex.IsMatch(inputString)) return false; } } catch { return false; } return true; } /// /// 处理用户提交的请求，校验sql注入式攻击,在页面装置时候运行 /// System.Configuration.ConfigurationSettings.AppSettings["ErrorPage"].ToString(); 为用户自定义错误页面提示地址, /// 在Web.Config文件时里面添加一个 ErrorPage 即可 /// /// /// public void ProcessRequest() { try { string getkeys = ""; string sqlErrorPage = System.Configuration.ConfigurationSettings.AppSettings["ErrorPage"].ToString(); if (System.Web.HttpContext.Current.Request.QueryString != null) { for (int i = 0; i < System.Web.HttpContext.Current.Request.QueryString.Count; i++) { getkeys = System.Web.HttpContext.Current.Request.QueryString.Keys[i]; if (!ProcessSqlStr(System.Web.HttpContext.Current.Request.QueryString[getkeys])) { System.Web.HttpContext.Current.Response.Redirect(sqlErrorPage + "?errmsg=" + getkeys + "有SQL攻击嫌疑！"); System.Web.HttpContext.Current.Response.End(); } } } if (System.Web.HttpContext.Current.Request.Form != null) { for (int i = 0; i < System.Web.HttpContext.Current.Request.Form.Count; i++) { getkeys = System.Web.HttpContext.Current.Request.Form.Keys[i]; if (!ProcessSqlStr(System.Web.HttpContext.Current.Request.Form[getkeys])) { System.Web.HttpContext.Current.Response.Redirect(sqlErrorPage + "?errmsg=" + getkeys + "有SQL攻击嫌疑！"); System.Web.HttpContext.Current.Response.End(); } } } } catch { // 错误处理: 处理用户提交信息! } } #endregion #region 转换sql代码（也防止sql注入式攻击，可以用于业务逻辑层，但要求UI层输入数据时候进行解码） /// /// 提取字符固定长度 /// /// /// /// public string CheckStringLength(string inputString, Int32 maxLength) { if ((inputString != null) && (inputString != String.Empty)) { inputString = inputString.Trim(); if (inputString.Length > maxLength) inputString = inputString.Substring(0, maxLength); } return inputString; } /// /// 将输入字符串中的sql敏感字，替换成"[敏感字]"，要求输出时，替换回来 /// /// /// qhd001.com public string MyEncodeInputString(string inputString) { //要替换的敏感字 string SqlStr = @"and|or|exec|execute|insert|select|delete|update|alter|create|drop|count|\*|chr|char|asc|mid|substring|master|truncate|declare|xp_cmdshell|restore|backup|net +user|net +localgroup +administrators"; try { if ((inputString != null) && (inputString != String.Empty)) { string str_Regex = @"\b(" + SqlStr + @")\b"; Regex Regex = new Regex(str_Regex, RegexOptions.IgnoreCase); //string s = Regex.Match(inputString).Value; MatchCollection matches = Regex.Matches(inputString); for (int i = 0; i < matches.Count; i++) inputString = inputString.Replace(matches[i].Value, "[" + matches[i].Value + "]"); } } catch { return ""; } return inputString; } /// /// 将已经替换成的"[敏感字]"，转换回来为"敏感字" /// /// /// public string MyDecodeOutputString(string outputstring) { //要替换的敏感字 string SqlStr = @"and|or|exec|execute|insert|select|delete|update|alter|create|drop|count|\*|chr|char|asc|mid|substring|master|truncate|declare|xp_cmdshell|restore|backup|net +user|net +localgroup +administrators"; try { if ((outputstring != null) && (outputstring != String.Empty)) { string str_Regex = @"\[\b(" + SqlStr + @")\b\]"; Regex Regex = new Regex(str_Regex, RegexOptions.IgnoreCase); MatchCollection matches = Regex.Matches(outputstring); for (int i = 0; i < matches.Count; i++) outputstring = outputstring.Replace(matches[i].Value, matches[i].Value.Substring(1, matches[i].Value.Length - 2)); } } catch { return ""; } return outputstring; } #endregion void CAngle::drawInfo(QPainter &Pt) { QPoint midPt = ((m_pt[1] + m_pt[2]))/2; QString str_angle; QString str_1 = " Type:Angle"; QString str_2 = " Angle:"; QFont myFont; QFontMetrics fm(myFont); qDebug() << __func__ <<""<< __LINE__; int width = 0; int width1 = 0; int heigh = 0; double x1 = m_pt[0].x()-m_ptx(); double y1 = m_pt[0].y()-m_pty(); double x2 = m_ptx()-m_ptx(); double y2 = m_pty()-m_pty(); double x = x1*x2 + y1*y2; double y = x1*y2 - x2*y1; angle = 180 / (M_PI /acos(x / (sqrt(pow(x,2) + pow(y,2))))); str_angle.setNum(angle); width = fm.width(str_angle); width1 = fm.width(str_2); heigh = fm.height() * 3; QRect rectinfo(midPt.x(),midPt.y(),width + width1,heigh); Pt.setPen(ang_info_pen); Pt.drawRoundedRect(rectinfo,5,5); Pt.drawText(rectinfo,Qt::AlignCenter,QString("%1\n %2%3 ").arg(str_1).arg(str_2).arg(angle)); } void CAngle::mousePressEvent(QMouseEvent *event) { switch(countClick){ case 0: { m_pt.push_back(event->pos()); m_pt.push_back(event->pos()); m_pt.push_back(event->pos()); countClick++; CDrawWin::m_curDrawStatus = CDrawWin::DRAW_STATUS_DRAWING; } break; case 1: { m_pt[1] = event->pos(); countClick++; CDrawWin::m_curDrawStatus = CDrawWin::DRAW_STATUS_DRAWING; } break;
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