进行计算(a+b+c)并将结果返回给客户端

1、服务端接收客户端发送的数据，进行计算（a+b+c）并将结果返回给客户端。完整代码已经开源： Boost asio异步TCP通讯及tcp粘包解包解决方案iOS数据类型转换 NSData转NSString，Byte，UIImage. iOS私有方法 和私有变量 iOS索引搜索核心代码 ,iOS调用 objc_msgSend 报错解决办法 iOS图表，曲线图，柱形图，条形图，饼状图 /lieefu/boostasiotcp代码 C/C+代码 #include <iostream>#include <string>#include <boost/bind.hpp>#

2、include <boost/asio.hpp>#include <boost/asio/ip/tcp.hpp>#include <boost/algorithm/string.hpp>#include <boost/lexical_cast.hpp>#include <boost/asio/steady_timer.hpp> 代码 Google Go代码 package mainimport ( "io/ioutil" "net/http" "net/" "fmt

3、" "encoding/json") /-/ 黄金数据调用示例代码 聚合数据/ ios系统自带地图基本方法实现 /- 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

4、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:rn%v",err) else var netReturn mapstringinterface json.Unmarshal(data,&netReturn) if netRetu

5、rn"error_code".(float64)=0 fmt.Printf("接口返回result字段是:rn%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(

6、"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:rn%v",err) else var netReturn mapstringinterface json.Unmarshal(data,&netReturn) if netReturn"error_code".(float64)=0 fmt.Printf("接口返回result字段是:rn%v",net

7、Return"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:rn%v",err) else v

8、ar netReturn mapstringinterface json.Unmarshal(data,&netReturn) if netReturn"error_code".(float64)=0 fmt.Printf("接口返回result字段是:rn%v",netReturn"result") / get 网络请求func Get(api string,params .Values)(rsbyte ,err error) var *. ,err=.Parse(api) if err!=nil fmt.Printf(&q

9、uot;解析错误:rn%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 .V

10、alues)(rsbyte,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;

11、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:/- 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 pa

12、rameters1 = new Dictionary<string, string>(); 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 = newObj

13、1"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/fi

14、nance/gold/shfuture" var parameters2 = new Dictionary<string, string>(); 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(resu

15、lt2); 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

16、黄金 string 3 = "web:8080/finance/gold/bankgold" var parameters3 = new Dictionary<string, string>(); parameters3.Add("key", appkey);/你申请的key string result3 = sendPost(3, parameters3, "get"); JsonObject newObj3 = new JsonObject(result3); String errorCode3 = newObj3&q

17、uot;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) / <

18、/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, s

19、tring 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;

20、 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

21、= 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( + "?" + BuildQ

22、uery(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(); StreamRead

23、er 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。 / </summary> / <param name="parameters">Key-Value形式请求参数字典</param> / <r

24、eturns>编码后的请求数据</returns> static string BuildQuery(IDictionary<string, string> parameters, string encode) StringBuilder postData = new StringBuilder(); bool hasParam = false; IEnumerator<KeyValuePair<string, string>> dem = parameters.GetEnumerator(); while (dem.MoveNext()

25、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

26、.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(); / <summary> / 把响应流转换为文本。 / </summary> / <

27、param name="rsp">响应流对象</param> / <param name="encoding">编码方式</param> / <returns>响应文本</returns> 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HTT

28、P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='

29、;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');

30、 / 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_seto

31、pt($ch,COPT_MAXREDIRS,3);/递归 c_setopt($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_C

32、USTOMREQUEST,'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; Wind

33、ows 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 -m6

34、4 -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 <stdio.h> /*建立通讯区域*/EXEC SQL INCLUDE SQLCA;/* * These

35、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 6EXEC SQL END DECLARE SECTION; #define EOLN '0'/* * Forward declarations of the error and message handlers and* other subroutines

36、called from main().*/void error_handler();void warning_handler(); intmain(int argc, char *argv)/*声明宿主变量*/ EXEC SQL BEGIN DECLARE SECTION; /* storage for login name and password. */ char username30; char sname30; char password30; char server30; EXEC SQL END DECLARE SECTION;/*错误处理*/ EXEC SQL WHENEVER

37、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&qu

38、ot;); 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 studentn");

39、do EXEC SQL FETCH c1 INTO :sname; if (sqlca.sqlcode != 0) break; printf( "student name = %sn", 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. */voiderror_handler(vo

40、id) 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, "nn"); exit(-1); /* void warning_handler()* 小型臭氧发生器 侳侱侲* Displays warning me

41、ssages.*/voidwarning_handler(void) if (sqlca.sqlwarn1 = 'W') fprintf(stderr, "n* Data truncated.n"); if (sqlca.sqlwarn3 = 'W') fprintf(stderr, "n* Insufficient host variables to store results.n"); return;代码 Log4j配置 <!- 日志jar -> <dependency> <groupId

42、>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> </dependency>导入这个包,会引入下面两个jar<!-spring 的基本jar包 -> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> </dependency> <!-

43、commons-login是必须的,而且没有依赖,是独立的包 -> <dependency> <groupId>commons-logging</groupId> <artifactId>commons-logging-api</artifactId> <version>1.1</version> </dependency><dependency><!- transactionManager实务管理的时候,需要这个jar包 -> <groupId>org.s

44、pringframework</groupId> <artifactId>spring-orm</artifactId></dependency><dependency> <!-当spring-config.xml文件中配置<aop:aspect >需要加入此包 -> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId></dependency><depende

45、ncy> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId></dependency>文件 无缝滚动.html 1KB <!DOCTYPE html><html> <head> <meta charset="utf-8"> <title></title> <style type="text/css"> *

46、 margin: 0;padding: 0; #wrap ul li width: 380px; height: 230px; float: left; list-style: none; #wrap ul position: absolute; left: 0; top: 0; #wrap width: 1520px; height: 230px; margin: 100px 50px; position: relative; background: red; overflow: hidden; </style> <script type="text/javascript"> window.onload=function() var oDiv=document.getElementById('wrap'); var oUl=oDiv.getElementsByTagName('ul')0; var oLi=oUl.getElementsByTagName('li'); oUl.innerHTML=oUl.innerHTML+