java调用rest接口 maven需要写哪些依赖

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java调用rest接口 maven需要写哪些依赖,第1张

1.多个系统在一个研发环境之中,她们的相互依赖可以通过maven进行相互依赖

2.如果某天她们分开了,当她们彼此想念的时候,她们可以把自己的JAR包放在公共仓库之中,

这样,她们又可以相互依赖了。MAVEN可以实现自动上传JAR包到某仓库,当然手动放也是可以的哦.

3.在给他人提供依赖的JAR包原则是应该是完整的,好像本地方法一样使用,例如不适宜提供接口而不提供

接口的实现

4.依赖并不是必须的,她们可以在已知通信协议的情况下,自己编写访问的代码

5.对于一个大的SDK比较好的做法是调用远程服务器代码和DTO代码应该分成两个JAR包,使用方

可以选择两个JAR都要,直接使用SDK方法就可以了,还有一种做法就是我只要你的DTO,调用方法自己

编写,这样给使用方带来了更好的选择。

package com.demo

import ja<img id="selectsearch-icon" src="https://gss0.bdstatic.com/70cFsjip0QIZ8tyhnq/img/iknow/qb/select-search.png" alt="搜索">va.io.BufferedReader

import java.io.IOException

import java.io.InputStreamReader

import javax.xml.bind.DatatypeConverter

import org.apache.http.HttpResponse

import org.apache.http.client.methods.HttpGet

import org.apache.http.impl.client.DefaultHttpClient

public class restTest {

public static voidmain(String[] args) {

try {

DefaultHttpClient Client = newDefaultHttpClient()

HttpGet httpGet = newHttpGet("你的地址")

String encoding =DatatypeConverter.printBase64Binary("admin:admin".getBytes("UTF-8"))

httpGet.setHeader("Authorization", "Basic " +encoding)

HttpResponse response = Client.execute(httpGet)

System.out.println("response =" + response)

BufferedReader breader = newBufferedReader(new InputStreamReader(response.getEntity().getContent()))

StringBuilder responseString = newStringBuilder()

String line = ""

while ((line = breader.readLine()) !=null) {

responseString.append(line)

}

breader.close()

String repsonseStr =responseString.toString()

System.out.println("repsonseStr =" + repsonseStr)

} catch (IOException e) {

e.printStackTrace()

}

}

}

把post的改成put试试

HttpPost httpPost = new HttpPost("http xxx")

List <NameValuePair>nvps = new ArrayList <NameValuePair>()

nvps.add(new BasicNameValuePair("username", "vip"))

nvps.add(new BasicNameValuePair("password", "secret"))

httpPost.setEntity(new UrlEncodedFormEntity(nvps))

CloseableHttpResponse response2 = httpclient.execute(httpPost)

try {

System.out.println(response2.getStatusLine())

HttpEntity entity2 = response2.getEntity()

// do something useful with the response body

// and ensure it is fully consumed

EntityUtils.consume(entity2)

} finally {

response2.close()

}