热门标签 | HotTags
当前位置:  开发笔记 > 后端 > 正文

Java调用RestfulAPI接口的几种方式(HTTPS)

这篇文章主要介绍了Java调用RestfulAPI接口的几种方式(HTTPS),小编觉得挺不错的,现在分享给大家,也给大家做个参考。一起跟随小编过来看看吧

摘要:最近有一个需求,为客户提供一些Restful API 接口,QA使用postman进行测试,但是postman的测试接口与java调用的相似但并不相同,于是想自己写一个程序去测试Restful API接口,由于使用的是HTTPS,所以还要考虑到对于HTTPS的处理。由于我也是首次使用Java调用restful接口,所以还要研究一番,自然也是查阅了一些资料。

分析:这个问题与模块之间的调用不同,比如我有两个模块front end 和back end,front end提供前台展示,back end提供数据支持。之前使用过Hession去把back end提供的服务注册成远程服务,在front end端可以通过这种远程服务直接调到back end的接口。但这对于一个公司自己的一个项目耦合性比较高的情况下使用,没有问题。但是如果给客户注册这种远程服务,似乎不太好,耦合性太高。所以就考虑用一下方式进行处理。

一、HttpClient

HttpClient大家也许比较熟悉但又比较陌生,熟悉是知道他可以远程调用比如请求一个URL,然后在response里获取到返回状态和返回信息,但是今天讲的稍微复杂一点,因为今天的主题是HTTPS,这个牵涉到证书或用户认证的问题。
确定使用HttpClient之后,查询相关资料,发现HttpClient的新版本与老版本不同,随然兼容老版本,但已经不提倡老版本是使用方式,很多都已经标记为过时的方法或类。今天就分别使用老版本4.2和最新版本4.5.3来写代码。

老版本4.2

需要认证

在准备证书阶段选择的是使用证书认证

package com.darren.test.https.v42; 
import java.io.File; 
import java.io.FileInputStream; 
import java.security.KeyStore; 
import org.apache.http.conn.ssl.SSLSocketFactory;  
public class HTTPSCertifiedClient extends HTTPSClient {  
  public HTTPSCertifiedClient() { 
 
  } 
 
  @Override 
  public void prepareCertificate() throws Exception { 
    // 获得密匙库 
    KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType()); 
    FileInputStream instream = new FileInputStream( 
        new File("C:/Users/zhda6001/Downloads/software/xxx.keystore")); 
    // FileInputStream instream = new FileInputStream(new File("C:/Users/zhda6001/Downloads/xxx.keystore")); 
    // 密匙库的密码 
    trustStore.load(instream, "password".toCharArray()); 
    // 注册密匙库 
    this.socketFactory = new SSLSocketFactory(trustStore); 
    // 不校验域名 
    socketFactory.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER); 
  } 
} 

跳过认证

在准备证书阶段选择的是跳过认证

package com.darren.test.https.v42;  
import java.security.cert.CertificateException; 
import java.security.cert.X509Certificate; 
import javax.net.ssl.SSLContext; 
import javax.net.ssl.TrustManager; 
import javax.net.ssl.X509TrustManager;  
import org.apache.http.conn.ssl.SSLSocketFactory; 
public class HTTPSTrustClient extends HTTPSClient { 
  public HTTPSTrustClient() { 
 
  } 
 
  @Override 
  public void prepareCertificate() throws Exception { 
    // 跳过证书验证 
    SSLContext ctx = SSLContext.getInstance("TLS"); 
    X509TrustManager tm = new X509TrustManager() { 
      @Override 
      public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException { 
      } 
 
      @Override 
      public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException { 
      } 
 
      @Override 
      public X509Certificate[] getAcceptedIssuers() { 
        return null; 
      } 
    }; 
    // 设置成已信任的证书 
    ctx.init(null, new TrustManager[] { tm }, null); 
    // 穿件SSL socket 工厂,并且设置不检查host名称 
    this.socketFactory = new SSLSocketFactory(ctx, SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER); 
  } 
} 

总结

现在发现这两个类都继承了同一个类HTTPSClient,并且HTTPSClient继承了DefaultHttpClient类,可以发现,这里使用了模板方法模式。

package com.darren.test.https.v42; 
import org.apache.http.conn.ClientConnectionManager; 
import org.apache.http.conn.scheme.Scheme; 
import org.apache.http.conn.scheme.SchemeRegistry; 
import org.apache.http.conn.ssl.SSLSocketFactory; 
import org.apache.http.impl.client.DefaultHttpClient;  
public abstract class HTTPSClient extends DefaultHttpClient {  
  protected SSLSocketFactory socketFactory; 
 
  /** 
   * 初始化HTTPSClient 
   * 
   * @return 返回当前实例 
   * @throws Exception 
   */ 
  public HTTPSClient init() throws Exception { 
    this.prepareCertificate(); 
    this.regist(); 
 
    return this; 
  }  
  /** 
   * 准备证书验证 
   * 
   * @throws Exception 
   */ 
  public abstract void prepareCertificate() throws Exception; 
 
  /** 
   * 注册协议和端口, 此方法也可以被子类重写 
   */ 
  protected void regist() { 
    ClientConnectionManager ccm = this.getConnectionManager(); 
    SchemeRegistry sr = ccm.getSchemeRegistry(); 
    sr.register(new Scheme("https", 443, socketFactory)); 
  } 
} 

下边是工具类

package com.darren.test.https.v42;  
import java.util.ArrayList; 
import java.util.List; 
import java.util.Map; 
import java.util.Set; 
import org.apache.http.HttpEntity; 
import org.apache.http.HttpResponse; 
import org.apache.http.NameValuePair; 
import org.apache.http.client.entity.UrlEncodedFormEntity; 
import org.apache.http.client.methods.HttpGet; 
import org.apache.http.client.methods.HttpPost; 
import org.apache.http.client.methods.HttpRequestBase; 
import org.apache.http.message.BasicNameValuePair; 
import org.apache.http.util.EntityUtils;  
public class HTTPSClientUtil { 
  private static final String DEFAULT_CHARSET = "UTF-8";  
  public static String doPost(HTTPSClient httpsClient, String url, Map paramHeader, 
      Map paramBody) throws Exception { 
    return doPost(httpsClient, url, paramHeader, paramBody, DEFAULT_CHARSET); 
  } 
 
  public static String doPost(HTTPSClient httpsClient, String url, Map paramHeader, 
      Map paramBody, String charset) throws Exception { 
 
    String result = null; 
    HttpPost httpPost = new HttpPost(url); 
    setHeader(httpPost, paramHeader); 
    setBody(httpPost, paramBody, charset); 
 
    HttpResponse respOnse= httpsClient.execute(httpPost); 
    if (response != null) { 
      HttpEntity resEntity = response.getEntity(); 
      if (resEntity != null) { 
        result = EntityUtils.toString(resEntity, charset); 
      } 
    } 
 
    return result; 
  } 
   
  public static String doGet(HTTPSClient httpsClient, String url, Map paramHeader, 
      Map paramBody) throws Exception { 
    return doGet(httpsClient, url, paramHeader, paramBody, DEFAULT_CHARSET); 
  } 
 
  public static String doGet(HTTPSClient httpsClient, String url, Map paramHeader, 
      Map paramBody, String charset) throws Exception { 
 
    String result = null; 
    HttpGet httpGet = new HttpGet(url); 
    setHeader(httpGet, paramHeader); 
 
    HttpResponse respOnse= httpsClient.execute(httpGet); 
    if (response != null) { 
      HttpEntity resEntity = response.getEntity(); 
      if (resEntity != null) { 
        result = EntityUtils.toString(resEntity, charset); 
      } 
    } 
 
    return result; 
  } 
 
  private static void setHeader(HttpRequestBase request, Map paramHeader) { 
    // 设置Header 
    if (paramHeader != null) { 
      Set keySet = paramHeader.keySet(); 
      for (String key : keySet) { 
        request.addHeader(key, paramHeader.get(key)); 
      } 
    } 
  } 
 
  private static void setBody(HttpPost httpPost, Map paramBody, String charset) throws Exception { 
    // 设置参数 
    if (paramBody != null) { 
      List list = new ArrayList(); 
      Set keySet = paramBody.keySet(); 
      for (String key : keySet) { 
        list.add(new BasicNameValuePair(key, paramBody.get(key))); 
      } 
 
      if (list.size() > 0) { 
        UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, charset); 
        httpPost.setEntity(entity); 
      } 
    } 
  } 
} 

然后是测试类:

package com.darren.test.https.v42; 
import java.util.HashMap; 
import java.util.Map;  
public class HTTPSClientTest {  
  public static void main(String[] args) throws Exception { 
    HTTPSClient httpsClient = null; 
 
    httpsClient = new HTTPSTrustClient().init(); 
    //httpsClient = new HTTPSCertifiedClient().init(); 
 
    String url = "https://1.2.6.2:8011/xxx/api/getToken"; 
    //String url = "https://1.2.6.2:8011/xxx/api/getHealth"; 
 
    Map paramHeader = new HashMap<>(); 
    //paramHeader.put("Content-Type", "application/json"); 
    paramHeader.put("Accept", "application/xml"); 
    Map paramBody = new HashMap<>(); 
    paramBody.put("client_id", "ankur.tandon.ap@xxx.com"); 
    paramBody.put("client_secret", "P@ssword_1"); 
    String result = HTTPSClientUtil.doPost(httpsClient, url, paramHeader, paramBody); 
     
    //String result = HTTPSClientUtil.doGet(httpsClient, url, null, null); 
     
    System.out.println(result); 
  }  
} 

返回信息:

<&#63;xml version="1.0" encoding="utf-8"&#63;>   
jkf8RL0sw+Skkflj8RbKI5hP1bEQK8PrCuTZPpBINqMYKRMxY1kWCjmCfT191Zpp88VV1aGHW8oYNWjEYS0axpLuGAX89ejCoWNbikCc1UvfyesXHLktcJqyUFiVjevhrEQxJPHncLQYWP+Xse5oD9X8vKFKk7InNTMRzQK7YBTZ/e3U7gswM/5cvAHFl6o9rEq9cWPXavZNohyvnXsohSzDo+BXAtXxa1xpEDLy/8h/UaP4n4dlZDJJ3B8t1Xh+CRRIoMOPxf7c5wKhHtOkEOeXW+xoPQKKSx5CKWwJpPuGIIFWF/PaqWg+JUOsVT7QGdPv8PMWJ9DwEwjTdxguDg== 

新版本4.5.3

需要认证

package com.darren.test.https.v45;  
import java.io.File; 
import java.io.FileInputStream; 
import java.security.KeyStore; 
import javax.net.ssl.SSLContext; 
import org.apache.http.conn.ssl.SSLConnectionSocketFactory; 
import org.apache.http.conn.ssl.TrustSelfSignedStrategy; 
import org.apache.http.ssl.SSLContexts;  
public class HTTPSCertifiedClient extends HTTPSClient {  
  public HTTPSCertifiedClient() { 
 
  } 
 
  @Override 
  public void prepareCertificate() throws Exception { 
    // 获得密匙库 
    KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType()); 
    FileInputStream instream = new FileInputStream( 
        new File("C:/Users/zhda6001/Downloads/software/xxx.keystore")); 
    // FileInputStream instream = new FileInputStream(new File("C:/Users/zhda6001/Downloads/xxx.keystore")); 
    try { 
      // 密匙库的密码 
      trustStore.load(instream, "password".toCharArray()); 
    } finally { 
      instream.close(); 
    }  
    SSLContext sslcOntext= SSLContexts.custom().loadTrustMaterial(trustStore, TrustSelfSignedStrategy.INSTANCE) 
        .build(); 
    this.cOnnectionSocketFactory= new SSLConnectionSocketFactory(sslcontext); 
  }  
} 

跳过认证

package com.darren.test.https.v45;  
import java.security.cert.CertificateException; 
import java.security.cert.X509Certificate; 
import javax.net.ssl.SSLContext; 
import javax.net.ssl.TrustManager; 
import javax.net.ssl.X509TrustManager; 
import org.apache.http.conn.ssl.SSLConnectionSocketFactory; 
public class HTTPSTrustClient extends HTTPSClient { 
  public HTTPSTrustClient() {  
  } 
 
  @Override 
  public void prepareCertificate() throws Exception { 
    // 跳过证书验证 
    SSLContext ctx = SSLContext.getInstance("TLS"); 
    X509TrustManager tm = new X509TrustManager() { 
      @Override 
      public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException { 
      } 
 
      @Override 
      public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException { 
      } 
 
      @Override 
      public X509Certificate[] getAcceptedIssuers() { 
        return null; 
      } 
    }; 
    // 设置成已信任的证书 
    ctx.init(null, new TrustManager[] { tm }, null); 
    this.cOnnectionSocketFactory= new SSLConnectionSocketFactory(ctx); 
  } 
} 

总结

package com.darren.test.https.v45;  
import org.apache.http.config.Registry; 
import org.apache.http.config.RegistryBuilder; 
import org.apache.http.conn.socket.ConnectionSocketFactory; 
import org.apache.http.conn.socket.PlainConnectionSocketFactory; 
import org.apache.http.impl.client.CloseableHttpClient; 
import org.apache.http.impl.client.HttpClientBuilder; 
import org.apache.http.impl.client.HttpClients; 
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;  
public abstract class HTTPSClient extends HttpClientBuilder { 
  private CloseableHttpClient client; 
  protected ConnectionSocketFactory connectionSocketFactory; 
 
  /** 
   * 初始化HTTPSClient 
   * 
   * @return 返回当前实例 
   * @throws Exception 
   */ 
  public CloseableHttpClient init() throws Exception { 
    this.prepareCertificate(); 
    this.regist(); 
 
    return this.client; 
  } 
 
  /** 
   * 准备证书验证 
   * 
   * @throws Exception 
   */ 
  public abstract void prepareCertificate() throws Exception; 
 
  /** 
   * 注册协议和端口, 此方法也可以被子类重写 
   */ 
  protected void regist() { 
    // 设置协议http和https对应的处理socket链接工厂的对象 
    Registry socketFactoryRegistry = RegistryBuilder.create() 
        .register("http", PlainConnectionSocketFactory.INSTANCE) 
        .register("https", this.connectionSocketFactory) 
        .build(); 
    PoolingHttpClientConnectionManager cOnnManager= new PoolingHttpClientConnectionManager(socketFactoryRegistry); 
    HttpClients.custom().setConnectionManager(connManager); 
 
    // 创建自定义的httpclient对象 
    this.client = HttpClients.custom().setConnectionManager(connManager).build(); 
    // CloseableHttpClient client = HttpClients.createDefault(); 
  } 
} 

工具类:

package com.darren.test.https.v45;  
import java.util.ArrayList; 
import java.util.List; 
import java.util.Map; 
import java.util.Set;  
import org.apache.http.HttpEntity; 
import org.apache.http.HttpResponse; 
import org.apache.http.NameValuePair; 
import org.apache.http.client.HttpClient; 
import org.apache.http.client.entity.UrlEncodedFormEntity; 
import org.apache.http.client.methods.HttpGet; 
import org.apache.http.client.methods.HttpPost; 
import org.apache.http.client.methods.HttpRequestBase; 
import org.apache.http.message.BasicNameValuePair; 
import org.apache.http.util.EntityUtils;  
public class HTTPSClientUtil { 
  private static final String DEFAULT_CHARSET = "UTF-8";  
  public static String doPost(HttpClient httpClient, String url, Map paramHeader, 
      Map paramBody) throws Exception { 
    return doPost(httpClient, url, paramHeader, paramBody, DEFAULT_CHARSET); 
  } 
 
  public static String doPost(HttpClient httpClient, String url, Map paramHeader, 
      Map paramBody, String charset) throws Exception { 
 
    String result = null; 
    HttpPost httpPost = new HttpPost(url); 
    setHeader(httpPost, paramHeader); 
    setBody(httpPost, paramBody, charset);  
    HttpResponse respOnse= httpClient.execute(httpPost); 
    if (response != null) { 
      HttpEntity resEntity = response.getEntity(); 
      if (resEntity != null) { 
        result = EntityUtils.toString(resEntity, charset); 
      } 
    } 
 
    return result; 
  } 
   
  public static String doGet(HttpClient httpClient, String url, Map paramHeader, 
      Map paramBody) throws Exception { 
    return doGet(httpClient, url, paramHeader, paramBody, DEFAULT_CHARSET); 
  } 
 
  public static String doGet(HttpClient httpClient, String url, Map paramHeader, 
      Map paramBody, String charset) throws Exception { 
 
    String result = null; 
    HttpGet httpGet = new HttpGet(url); 
    setHeader(httpGet, paramHeader); 
 
    HttpResponse respOnse= httpClient.execute(httpGet); 
    if (response != null) { 
      HttpEntity resEntity = response.getEntity(); 
      if (resEntity != null) { 
        result = EntityUtils.toString(resEntity, charset); 
      } 
    } 
 
    return result; 
  } 
 
  private static void setHeader(HttpRequestBase request, Map paramHeader) { 
    // 设置Header 
    if (paramHeader != null) { 
      Set keySet = paramHeader.keySet(); 
      for (String key : keySet) { 
        request.addHeader(key, paramHeader.get(key)); 
      } 
    } 
  } 
 
  private static void setBody(HttpPost httpPost, Map paramBody, String charset) throws Exception { 
    // 设置参数 
    if (paramBody != null) { 
      List list = new ArrayList(); 
      Set keySet = paramBody.keySet(); 
      for (String key : keySet) { 
        list.add(new BasicNameValuePair(key, paramBody.get(key))); 
      } 
 
      if (list.size() > 0) { 
        UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, charset); 
        httpPost.setEntity(entity); 
      } 
    } 
  } 
} 

测试类:

package com.darren.test.https.v45;  
import java.util.HashMap; 
import java.util.Map; 
import org.apache.http.client.HttpClient;  
public class HTTPSClientTest {  
  public static void main(String[] args) throws Exception { 
    HttpClient httpClient = null; 
 
    //httpClient = new HTTPSTrustClient().init(); 
    httpClient = new HTTPSCertifiedClient().init(); 
 
    String url = "https://1.2.6.2:8011/xxx/api/getToken"; 
    //String url = "https://1.2.6.2:8011/xxx/api/getHealth"; 
 
    Map paramHeader = new HashMap<>(); 
    paramHeader.put("Accept", "application/xml"); 
    Map paramBody = new HashMap<>(); 
    paramBody.put("client_id", "ankur.tandon.ap@xxx.com"); 
    paramBody.put("client_secret", "P@ssword_1"); 
    String result = HTTPSClientUtil.doPost(httpClient, url, paramHeader, paramBody); 
     
    //String result = HTTPSClientUtil.doGet(httpsClient, url, null, null); 
     
    System.out.println(result); 
  } 
 
} 

结果:

<&#63;xml version="1.0" encoding="utf-8"&#63;>   
RxitF9//7NxwXJS2cjIjYhLtvzUNvMZxxEQtGN0u07sC9ysJeIbPqte3hCjULSkoXPEUYGUVeyI9jv7/WikLrzxYKc3OSpaTSM0kCbCKphu0TB2Cn/nfzv9fMLueOWFBdyz+N0sEiI9K+0Gp7920DFEncn17wUJVmC0u2jwvM5FAjQKmilwodXZ6a0Dq+D7dQDJwVcwxBvJ2ilhyIb3pr805Vppmi9atXrVAKO0ODa006wEJFOfcgyG5p70wpJ5rrBL85vfy9WCvkd1R7j6NVjhXgH2gNimHkjEJorMjdXW2gKiUsiWsELi/XPswao7/CTWNwTnctGK8PX2ZUB0ZfA== 

二、HttpURLConnection

三、Spring的RestTemplate

其它方式以后补充

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。


推荐阅读
  • 本文介绍了在开发Android新闻App时,搭建本地服务器的步骤。通过使用XAMPP软件,可以一键式搭建起开发环境,包括Apache、MySQL、PHP、PERL。在本地服务器上新建数据库和表,并设置相应的属性。最后,给出了创建new表的SQL语句。这个教程适合初学者参考。 ... [详细]
  • 本文介绍了如何使用JSONObiect和Gson相关方法实现json数据与kotlin对象的相互转换。首先解释了JSON的概念和数据格式,然后详细介绍了相关API,包括JSONObject和Gson的使用方法。接着讲解了如何将json格式的字符串转换为kotlin对象或List,以及如何将kotlin对象转换为json字符串。最后提到了使用Map封装json对象的特殊情况。文章还对JSON和XML进行了比较,指出了JSON的优势和缺点。 ... [详细]
  • Java如何导入和导出Excel文件的方法和步骤详解
    本文详细介绍了在SpringBoot中使用Java导入和导出Excel文件的方法和步骤,包括添加操作Excel的依赖、自定义注解等。文章还提供了示例代码,并将代码上传至GitHub供访问。 ... [详细]
  • .NetCoreWebApi生成Swagger接口文档的使用方法
    本文介绍了使用.NetCoreWebApi生成Swagger接口文档的方法,并详细说明了Swagger的定义和功能。通过使用Swagger,可以实现接口和服务的可视化,方便测试人员进行接口测试。同时,还提供了Github链接和具体的步骤,包括创建WebApi工程、引入swagger的包、配置XML文档文件和跨域处理。通过本文,读者可以了解到如何使用Swagger生成接口文档,并加深对Swagger的理解。 ... [详细]
  • Spring Boot 中 Java8 LocalDateTime 序列化问题
    LoginController页面如下:publicObjectlogin(@RequestBodyUseruser){returnxxxx ... [详细]
  • SAP接口编程PyRFC 调用 BAPI_FIXEDASSET_CREATE1创建固定资产
    本篇演示通过PyRFC调用BAPI_FIXEDASSET_CREATE1在SAP系统中创建固定资产,再一次体验一下Python与其它语言相比的简洁性。首先简单说明B ... [详细]
  • Activiti7流程定义开发笔记
    本文介绍了Activiti7流程定义的开发笔记,包括流程定义的概念、使用activiti-explorer和activiti-eclipse-designer进行建模的方式,以及生成流程图的方法。还介绍了流程定义部署的概念和步骤,包括将bpmn和png文件添加部署到activiti数据库中的方法,以及使用ZIP包进行部署的方式。同时还提到了activiti.cfg.xml文件的作用。 ... [详细]
  • Android日历提醒软件开源项目分享及使用教程
    本文介绍了一款名为Android日历提醒软件的开源项目,作者分享了该项目的代码和使用教程,并提供了GitHub项目地址。文章详细介绍了该软件的主界面风格、日程信息的分类查看功能,以及添加日程提醒和查看详情的界面。同时,作者还提醒了读者在使用过程中可能遇到的Android6.0权限问题,并提供了解决方法。 ... [详细]
  • 本文讨论了在shiro java配置中加入Shiro listener后启动失败的问题。作者引入了一系列jar包,并在web.xml中配置了相关内容,但启动后却无法正常运行。文章提供了具体引入的jar包和web.xml的配置内容,并指出可能的错误原因。该问题可能与jar包版本不兼容、web.xml配置错误等有关。 ... [详细]
  • Apache Shiro 身份验证绕过漏洞 (CVE202011989) 详细解析及防范措施
    本文详细解析了Apache Shiro 身份验证绕过漏洞 (CVE202011989) 的原理和影响,并提供了相应的防范措施。Apache Shiro 是一个强大且易用的Java安全框架,常用于执行身份验证、授权、密码和会话管理。在Apache Shiro 1.5.3之前的版本中,与Spring控制器一起使用时,存在特制请求可能导致身份验证绕过的漏洞。本文还介绍了该漏洞的具体细节,并给出了防范该漏洞的建议措施。 ... [详细]
  • Sleuth+zipkin链路追踪SpringCloud微服务的解决方案
    在庞大的微服务群中,随着业务扩展,微服务个数增多,系统调用链路复杂化。Sleuth+zipkin是解决SpringCloud微服务定位和追踪的方案。通过TraceId将不同服务调用的日志串联起来,实现请求链路跟踪。通过Feign调用和Request传递TraceId,将整个调用链路的服务日志归组合并,提供定位和追踪的功能。 ... [详细]
  • ElasticSerach初探第一篇认识ES+环境搭建+简单MySQL数据同步+SpringBoot整合ES
    一、认识ElasticSearch是一个基于Lucene的开源搜索引擎,通过简单的RESTfulAPI来隐藏Lucene的复杂性。全文搜索,分析系统&# ... [详细]
  • 本文总结了初学者在使用dubbo设计架构过程中遇到的问题,并提供了相应的解决方法。问题包括传输字节流限制、分布式事务、序列化、多点部署、zk端口冲突、服务失败请求3次机制以及启动时检查。通过解决这些问题,初学者能够更好地理解和应用dubbo设计架构。 ... [详细]
  • 项目运行环境配置及可行性分析
    本文介绍了项目运行环境配置的要求,包括Jdk1.8、Tomcat7.0、Mysql、HBuilderX等工具的使用。同时对项目的技术可行性、操作可行性、经济可行性、时间可行性和法律可行性进行了分析。通过对数据库的设计和功能模块的设计,确保系统的完整性和安全性。在系统登录、系统功能模块、管理员功能模块等方面进行了详细的介绍和展示。最后提供了JAVA毕设帮助、指导、源码分享和调试部署的服务。 ... [详细]
  • 本文介绍了使用Rust语言编写、保存和编译程序的简单步骤。首先,打开记事本文件并编写程序代码,然后将代码保存到一个以.rs为扩展名的文件中。接下来,使用rustc命令来编译运行程序。最后,通过命令行运行编译后的程序,得到输出结果。如果遇到编译错误,可以下载Build Tools for Visual Studio 2017来解决。 ... [详细]
author-avatar
mobiledu2502886217
这个家伙很懒,什么也没留下!
PHP1.CN | 中国最专业的PHP中文社区 | DevBox开发工具箱 | json解析格式化 |PHP资讯 | PHP教程 | 数据库技术 | 服务器技术 | 前端开发技术 | PHP框架 | 开发工具 | 在线工具
Copyright © 1998 - 2020 PHP1.CN. All Rights Reserved | 京公网安备 11010802041100号 | 京ICP备19059560号-4 | PHP1.CN 第一PHP社区 版权所有