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@@ -0,0 +1,196 @@
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+package cn.yyxx.support.volley;
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+
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+import java.io.ByteArrayOutputStream;
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+import java.io.IOException;
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+import java.io.UnsupportedEncodingException;
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+import java.nio.charset.Charset;
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+import java.util.List;
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+import java.util.Map;
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+import java.util.UUID;
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+
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+import cn.yyxx.support.hawkeye.LogUtils;
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+import cn.yyxx.support.volley.entity.FileEntity;
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+import cn.yyxx.support.volley.source.AuthFailureError;
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+import cn.yyxx.support.volley.source.NetworkResponse;
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+import cn.yyxx.support.volley.source.ParseError;
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+import cn.yyxx.support.volley.source.Request;
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+import cn.yyxx.support.volley.source.Response;
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+import cn.yyxx.support.volley.source.toolbox.HttpHeaderParser;
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+
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+/**
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+ * @author #Suyghur.
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+ * Created on 2022/01/11
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+ */
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+public class MultipartRequest extends Request<String> {
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+
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+ private final String MULTIPART_FORM_DATA = "multipart/form-data"; // 数据类型
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+ private final String BOUNDARY = "---------" + UUID.randomUUID().toString(); // 随机生成边界分隔线
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+ private final String NEW_LINE = "\r\n"; // 换行符
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+
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+ private Map<String, Object> mParams;
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+ private List<FileEntity> mFileEntityList;
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+ private FileEntity mFileEntity;
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+ private Response.Listener<String> mListener;
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+ private Charset mCharSet;
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+
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+ private boolean isSingleFile = false;
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+
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+ public MultipartRequest(String url, Map<String, Object> params, Charset charSet, List<FileEntity> fileEntityList, Response.Listener<String> listener, Response.ErrorListener errorListener) {
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+ super(Method.POST, url, errorListener);
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+ this.mParams = params;
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+ this.mCharSet = charSet;
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+ this.mFileEntityList = fileEntityList;
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+ this.mListener = listener;
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+ this.isSingleFile = false;
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+ }
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+
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+ public MultipartRequest(String url, Map<String, Object> params, Charset charSet, FileEntity fileEntity, Response.Listener<String> listener, Response.ErrorListener errorListener) {
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+ super(Method.POST, url, errorListener);
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+ this.mParams = params;
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+ this.mCharSet = charSet;
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+ this.mFileEntity = fileEntity;
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+ this.mListener = listener;
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+ this.isSingleFile = true;
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+ }
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+
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+ public MultipartRequest(String url, Map<String, Object> params, List<FileEntity> fileEntityList, Response.Listener<String> listener, Response.ErrorListener errorListener) {
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+ this(url, params, Charset.defaultCharset(), fileEntityList, listener, errorListener);
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+ }
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+
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+ public MultipartRequest(String url, Map<String, Object> params, FileEntity fileEntity, Response.Listener<String> listener, Response.ErrorListener errorListener) {
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+ this(url, params, Charset.defaultCharset(), fileEntity, listener, errorListener);
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+ }
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+
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+
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+ @Override
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+ protected Response<String> parseNetworkResponse(NetworkResponse response) {
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+ try {
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+ return Response.success(new String(response.data, HttpHeaderParser.parseCharset(response.headers)), HttpHeaderParser.parseCacheHeaders(response));
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+ } catch (UnsupportedEncodingException e) {
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+ e.printStackTrace();
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+ return Response.error(new ParseError(e));
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+ }
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+ }
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+
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+ @Override
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+ protected void deliverResponse(String response) {
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+ mListener.onResponse(response);
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+ }
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+
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+ @Override
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+ public byte[] getBody() throws AuthFailureError {
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+ if (isSingleFile) { // 单文件上传
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+ return singleFileUp();
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+ } else { // 多个文件上传
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+ return multipleFileUp();
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+ }
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+ }
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+
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+ /**
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+ * 多个文件上传
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+ */
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+ private byte[] multipleFileUp() throws AuthFailureError {
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+ if ((mParams == null || mParams.size() <= 0) && (mFileEntityList == null || mFileEntityList.size() <= 0)) {
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+ // 没有参数也没有文件
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+ return super.getBody();
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+ } else {
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+ ByteArrayOutputStream bos = new ByteArrayOutputStream();
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+ if (mParams != null && mParams.size() > 0) {
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+ // 有参数,先拼接参数
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+ paramsFormat(bos);
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+ }
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+ if (mFileEntityList != null && mFileEntityList.size() > 0) {
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+ // 有文件,提交文件
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+ for (FileEntity fileEntity : mFileEntityList) {
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+ fileFormat(bos, fileEntity);
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+ }
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+ }
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+ // 所有参数拼接完成,拼接结束行
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+ endLine(bos);
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+ return bos.toByteArray();
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+ }
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+ }
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+
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+ /**
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+ * 单个文件上传
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+ */
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+ private byte[] singleFileUp() throws AuthFailureError {
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+ if ((mParams == null || mParams.size() <= 0) && (mFileEntity == null)) {
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+ // 没有参数也没有文件
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+ return super.getBody();
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+ } else {
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+ ByteArrayOutputStream bos = new ByteArrayOutputStream();
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+ if (mParams != null && mParams.size() > 0) {
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+ // 有参数,先拼接参数
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+ paramsFormat(bos);
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+ }
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+ if (mFileEntity != null) {
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+ // 有文件,提交文件
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+ fileFormat(bos, mFileEntity);
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+ }
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+ // 所有参数拼接完成,拼接结束行
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+ endLine(bos);
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+ return bos.toByteArray();
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+ }
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+ }
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+
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+ /**
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+ * 结束行内容
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+ */
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+ private void endLine(ByteArrayOutputStream bos) {
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+ String endLine = "--" + BOUNDARY + "--" + NEW_LINE;
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+ try {
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+ bos.write(endLine.getBytes(mCharSet));
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+
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+ /**
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+ * 格式化上传文件格式
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+ */
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+ private void fileFormat(ByteArrayOutputStream bos, FileEntity fileEntity) {
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+ StringBuilder stringBuilder = new StringBuilder();
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+ stringBuilder.append("--").append(BOUNDARY).append(NEW_LINE);
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+ stringBuilder.append("Content-Disposition: form-data; name=\"").append(fileEntity.mName).append("\"").append(";filename=\"").append(fileEntity.mFileName).append("\"").append(NEW_LINE);
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+ stringBuilder.append("Content-Type: ").append(fileEntity.mMime).append(";charset=").append(mCharSet).append(NEW_LINE);
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+ stringBuilder.append(NEW_LINE);
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+ try {
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+ bos.write(stringBuilder.toString().getBytes(mCharSet));
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+ bos.write(fileEntity.getFileBytes());
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+ bos.write(NEW_LINE.getBytes(mCharSet));
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+
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+ /**
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+ * 格式化上传参数格式
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+ */
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+ private void paramsFormat(ByteArrayOutputStream bos) {
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+ StringBuilder stringBuilder = new StringBuilder();
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+ for (String key : mParams.keySet()) {
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+ Object value = mParams.get(key);
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+ stringBuilder.append("--").append(BOUNDARY).append(NEW_LINE);
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+ stringBuilder.append("Content-Disposition: form-data; name=\"").append(key).append("\"").append(NEW_LINE);
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+ stringBuilder.append(NEW_LINE);
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+ stringBuilder.append(value).append(NEW_LINE);
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+ }
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+ LogUtils.d(stringBuilder.toString());
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+ try {
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+ bos.write(stringBuilder.toString().getBytes(mCharSet));
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+
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+ /**
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+ * 返回头信息,用于指定上传的内容类型
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+ */
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+ @Override
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+ public String getBodyContentType() {
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+ // 如果参数和文件都为null时,不会执行这个方法
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+ // Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryS4nmHw9nb2Eeusll
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+ return MULTIPART_FORM_DATA + ";boundary=" + BOUNDARY;
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+ }
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+}
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