C语言实现文件的des加解密实例

C语言实现文件的des加解密实例c语言中的正则 ,d3.js画矢量图+可拖拽的实现思路 DOM2级事件处理程序跨浏览器兼容事件 ,exel导入/导出和csv文件导入、导出 ,Go http访问使用代理golang进行socket通讯 ,hessian+hibernate 懒加载处理 ,HTML+CSS代码橙色导航菜单html5 撞球游戏// 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//iOS KVO注册和监听方法//C语言websocket编程.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//css之before and after[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;void QEditor::setCurrentFile(const QString &fileName){m_currentFileName = fileName;ui->textEdit->document()->setModified(false);}bool QEditor::maybeSave(){if (ui->textEdit->document()->isModified()) {QMessageBox::StandardButton ret;ret = QMessageBox::warning(this, tr("QEditor"),tr("The document has been modified.\n""Do you want to save your changes?"),QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);if (ret == QMessageBox::Save)return save();else if (ret == QMessageBox::Cancel)return false;}return true;}bool QEditor::savefile(const QString &fileName){QFile file(fileName);if (!file.open(QFile::WriteOnly | QFile::Text)) {QMessageBox::warning(this, tr("QEditor"),tr("Cannot write file %1:\n%2.").arg(fileName).arg(file.errorString()));return false;}QTextStream out(&file);out << ui->textEdit->toPlainText();setCurrentFile(fileName);ui->statusBar->showMessage(QString("%1 saved.").arg(fileName), 2000);return true;}[代码] [Google Go]代码package mainimport ("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"]) }}}//----------------------------------// 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。