參考網站:nodejs使用http模塊編寫上傳圖片接口測試客戶端

如果是java控制臺app可以前往http://hc.apache.org/downloads.cgi下載新版httpclient庫

示例

調用上傳圖片接口代碼示例:

import org.apache.http.Consts; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.ContentType; import org.apache.http.entity.mime.MultipartEntityBuilder; import org.apache.http.entity.mime.content.FileBody; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils;import java.io.File; import java.io.IOException; import java.nio.charset.Charset; import java.util.ArrayList; import java.util.List;public class Main {public static void main(String[] args) {CloseableHttpClient httpClient = HttpClients.createDefault();HttpPost httpPost = new HttpPost("http://127.0.0.1:5000/");//建立HttpPost對象,改成自己的地址File file = new File("C:\\temp.png");//相對路徑使用不了的話,使用圖片絕對路徑if(!file.exists()){//判斷文件是否存在System.out.print("文件不存在");return;}FileBody bin = new FileBody(file, ContentType.create("image/png", Consts.UTF_8));//創建圖片提交主體信息HttpEntity entity = MultipartEntityBuilder.create().setCharset(Charset.forName("utf-8")).addPart("file", bin)//添加到請求.build();httpPost.setEntity(entity);HttpResponse response= null;//發送Post,并返回一個HttpResponse對象try {response = httpClient.execute(httpPost);if(response.getStatusLine().getStatusCode()==200) {//如果狀態碼為200,就是正常返回String result = EntityUtils.toString(response.getEntity());System.out.print(result);}} catch (IOException e) {e.printStackTrace();}System.out.print(response);System.out.print("結束");} }

總結

以上是生活随笔為你收集整理的java使用httpclient调用上传图片接口[示例]的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。