Java Post请求发送form-data表单参数 【代码】Java Post请求发送form-data表单参数。
文章目录
Post请求发送form-data表单参数
一、pom文件引入依赖
org.apache.httpcomponents
httpclient
4.5.13
org.apache.james
apache-mime4j
0.6.1
org.apache.httpcomponents
httpmime
4.5.13
二、工具类
package com.hn.bdzzhixun.utils;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.ssl.SSLContextBuilder;
import org.apache.http.util.EntityUtils;
import javax.net.ssl.SSLContext;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
/**
* @author lzn
* @version :1.0
* 2024/11/22 15:10
*/
@Slf4j
public class SendFileUtils {
/**
* 使用multipart/form-data方式传输文件
* 发送文件方法
* @param url 接口地址
* @param file 文件
*/
public static String sendMultipartFile(String url, File file,String dwbh) {
//获取HttpClient
CloseableHttpClient client = getHttpClient();
HttpPost httpPost = new HttpPost(url);
fillMethod(httpPost,System.currentTimeMillis());
// 请求参数配置
RequestConfig requestConfig = RequestConfig
.custom()
.setSocketTimeout(60000)
.setConnectTimeout(3000)
.setConnectionRequestTimeout(3000)
.build();
httpPost.setConfig(requestConfig);
String res = "";
String fileName = file.getName();//文件名
try {
MultipartEntityBuilder builder = MultipartEntityBuilder.create();
builder.setCharset(StandardCharsets.UTF_8);
builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
/*
假设有两个参数需要传输
参数名:filaName 值 "文件名"
参数名:file 值:file (该参数值为file对象)
*/
//表单中普通参数
builder.addPart("filaName ",new StringBody("来源", ContentType.create("text/plain", Consts.UTF_8)));
// 表单中的文件参数 注意,builder.addBinaryBody的第一个参数要写参数名
builder.addBinaryBody("file", file, ContentType.create("multipart/form-data",Consts.UTF_8), fileName);
builder.addTextBody("positionId",dwbh);
HttpEntity entity = builder.build();
httpPost.setEntity(entity);
HttpResponse response = client.execute(httpPost);// 执行提交
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
// 返回响应结果
res = EntityUtils.toString(response.getEntity(), StandardCharsets.UTF_8);
}else {
res = "响应失败";
log.error("响应失败!");
}
return res;
} catch (Exception e) {
e.printStackTrace();
log.error("调用HttpPost失败!" + e);
} finally {
if (client != null) {
try {
client.close();
} catch (IOException e) {
log.error("关闭HttpPost连接失败!");
}
}
}
log.info("数据传输成功!!!!!!!!!!!!!!!!!!!!");
return res;
}
/**
* 获取HttpClient
*/
private static CloseableHttpClient getHttpClient(){
SSLContext sslContext;
try {
sslContext = new SSLContextBuilder().loadTrustMaterial(null, (TrustStrategy) (arg0, arg1) -> true).build();
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e);
}
SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(sslContext,
NoopHostnameVerifier.INSTANCE);
return HttpClientBuilder.create().setSSLSocketFactory(sslConnectionSocketFactory).build();
}
/**
* 添加头文件信息
*/
private static void fillMethod(HttpRequestBase requestBase, long timestamp){
//此处为举例,需要添加哪些头部信息自行添加即可
//设置时间戳,nginx,underscores_in_headers on;放到http配置里,否则nginx会忽略包含"_"的头信息
requestBase.addHeader("timestamp",String.valueOf(timestamp));
System.out.println(Arrays.toString(requestBase.getAllHeaders()));
}
}
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