Java OkHttpClient 模拟form表单提交数据&多文件
作者:互联网
package net.cnki.thesis.collectionFee.util;
import okhttp3.*;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @author :
* @date :Created in 2022/3/25 16:59
* @description:
*/
public class OkHttpClientUtils {
public static void main(String[] args) throws Exception {
String url="http://localhost:9010/testReceiveFormData";
String fileFormName="files";
Map<String,String> params=new HashMap<>();
List<File> fileParams = new ArrayList<>();
params.put("requestNum","abc");
params.put("paymentMethod","个人卡建行");
File f1=new File("E:\\保密论文名单模板 (1).xlsx");
fileParams.add(f1);
File f2=new File("E:\\LW.zip");
fileParams.add(f2);
doPostWithDataAndFile(url,params,fileParams,fileFormName);
}
/**
*
* @param url 地址
* @param params 数据
* @param fileParams 文件
* @param fileFormName 文件的参数名
* @throws Exception
*/
public static Response doPostWithDataAndFile(String url,Map<String,String> params,List<File> fileParams,String fileFormName) throws Exception{
OkHttpClient client = new OkHttpClient().newBuilder()
.build();
MediaType mediaType = MediaType.parse("text/plain");
MultipartBody.Builder builder= new MultipartBody.Builder().setType(MultipartBody.FORM);
if (params!=null&¶ms.isEmpty()==false){
// entrySet遍历,在键和值都需要时使用(最常用)
for (Map.Entry<String,String> entry : params.entrySet()) {
String key= entry.getKey();
String value=entry.getValue();
builder.addFormDataPart(key,value);
}
}
if (fileParams!=null&&fileParams.isEmpty()==false){
for (File f: fileParams) {
String fileName=f.getName();
builder.addFormDataPart( fileFormName,fileName,RequestBody.create(MediaType.parse("application/octet-stream"),f));
}
}
RequestBody body=builder.build();
Request request = new Request.Builder()
.url(url)
.method("POST", body)
.build();
Response response = client.newCall(request).execute();
return response;
}
}
标签:Java,String,form,url,OkHttpClient,params,import,new,fileParams 来源: https://www.cnblogs.com/zjfblog/p/16056130.html