Java Post请求发送form-data表单参数详细示例代码
目录
- Post请求发送form-data表单参数
- 一、pom文件引入依赖
- 二、工具类
- 总结
Post请求发送form-data表单参数
一、pom文件引入依赖
<!-- 添加 Apache HttpClient 依赖 --> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.5.13</version> <!-- 请使用最新的稳定版本 --> </dependency> <!-- 如果你需要使用 MIME 相关的实用工具,添加 mime4j 依赖 --> <dependency> <groupId>org.apache.james</groupId> <artifactId>apache-mime4j</artifactId> <version>0.6.1</version> <!-- 请使用最新的稳定版本 --> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpmime</artifactId> <version>4.5.13</version> <!-- 请使用最新的版本号 --> </dependency>
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.aphttp://www.devze.comache.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 * @versphpion :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(StandjsardCharsets.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) { www.devze.com 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, yaeuVow 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())); } }
总结
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