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byte数组转化成16进制字符串,C#中的overload,overwrite,override的区别C++ 实现Single Sever Simulation AFNetworking 更改请求时间iOS chrome插件，二维码自动生成,C编程方式进行控制台输入maven jar shade assembly配置[XML]Maven pom.xml public:double angle;QPen ang_info_pen;};#endif[文件] MainWindow.cpp ~ 28KB[文件] MainWindow.h ~ 3KB//AngularJS 绑定鼠标左键、右键单击事件//API权限设计总结系统sign验证规则//Apriopri算法的简单实现#ifndef __MAINWINDOW_H__#define __MAINWINDOW_H__#include "ui_MainWindow.h"#include "Shape.h"#include <QtGui>class CDockWin;class CDrawWin:public QMainWindow,public Ui_Mainwin{Q_OBJECTpublic:CDrawWin(QWidget *parent = NULL);// 画图状态定义enum DRAW_STATUS{// 无画图状态DRAW_STATUS_NONE = 0,// 绘画当中DRAW_STATUS_DRAWING,// 移动DRAW_STATUS_DRAG,// 改变图元DRAW_STATUS_CHANGE};// 当前的菜单选择enum MENU_STATUS{// 无画图菜单MENU_STATUS_NONE = 0,// 画直线菜单MENU_STATUS_LINE,// 画圆菜单MENU_STATUS_CIRCLE,// 画矩形菜单MENU_STATUS_RECTANGE,MENU_STATUS_POLYGON,MENU_STATUS_ANGLE,MENU_STATIS_DEL};//定义当前创建的图形enum SHAPE_STATUS{SHAPE_NONE = 0,SHAPE_LINE,SHAPE_CIRCLE,SHAPE_RECTANGLE,SHAPE_POLYGON,SHAPE_ANGLE,SHAPE_SCALE};public://碰撞CShape *HitTest(QMouseEvent *event,bool &bHit,bool &bCtrlHit);//画图void paintEvent(QPaintEvent *event);void process_line(QMouseEvent *event);void process_circle(QMouseEvent *event);void process_rectangle(QMouseEvent *event);void process_polygon(QMouseEvent *event);void process_angle(QMouseEvent *event);// 鼠标按下捕获器void mousePressEvent(QMouseEvent* event);// 鼠标释放事件捕获器void mouseReleaseEvent(QMouseEvent *event);// 鼠标移动事件捕获器void mouseMoveEvent(QMouseEvent* event);void mouseDoubleClickEvent(QMouseEvent *event);void closeEvent(QCloseEvent *event);void timerEvent(QTimerEvent *event);void on_acOpen_triggered();void on_acDrawLine_triggered();void on_acDrawCircle_triggered();void on_acDrawRectange_triggered();void on_acSelect_triggered();void on_acSet_color_triggered();void on_acDrawPolygon_triggered();void on_acDrawAngle_triggered();void on_ac_Save_triggered();void on_ac_New_triggered();void on_acImage_triggered();void on_acDelete_triggered();void on_acSaveImage_triggered(); public:static int countShape;static int widLine;static unsigned char m_curMenuStatus;static unsigned char m_curDrawStatus;static unsigned char m_curShapestatus;QVector<CShape *> m_shapeList;QVector<QColor>m_colorList;QVector<unsigned char> m_shapeStatus;CShape *m_curShape;static CShape *m_tmp;static QColor m_hitCol;static QColor m_curCol;static QColor m_CirCol;static QColor m_RectCol;static QColor m_PolyCol;static QColor m_AngCol;static QColor m_tmpCol;static unsigned int color_Count;static unsigned int shape_Count;QLabel *m_time;QLabel *m_timeText;QDockWidget *m_dock;CDockWin *m_widget;bool maybeSave;QImage *m_image;QPixmap pixmap;bool delet_image;};[代码] [Google Go]代码import ("io/ioutil""net/http""net/""fmt""encoding/json")//----------------------------------// 黄金数据调用示例代码－聚合数据// 在线接口文档：www/docs/29//----------------------------------const APPKEY = "*******************" //您申请的APPKEYfunc 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 Keyparam.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 Keyparam.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 ;using System.IO;using ;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<string, string>();parameters1.Add("key", appkey);//你申请的keyparameters1.Add("v" , ""); //JSON格式版本(0或1)默认为0string 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<string, string>();parameters2.Add("key", appkey);//你申请的keyparameters2.Add("v" , ""); //JSON格式版本(0或1)默认为0string 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<string, string>();parameters3.Add("key", appkey);//你申请的keystring 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);}}/// <summary>/// Http (GET/POST)/// </summary>/// <param name="">请求</param>/// <param name="parameters">请求参数</param>/// <param name="method">请求方法</param>/// <returns>响应内容</returns>static string sendPost(string , IDictionary<string, string> parameters, string method){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;}}/// <summary>/// 组装普通文本请求参数。