fix #211 上传素材时如果文件名是中文会乱码

Author: chanjarster

weixin-java-common/src/main/java/me/chanjar/weixin/common/util/http/MediaUploadRequestExecutor.java

@@ -11,6 +11,7 @@
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpPost;
 import org.apache.http.entity.ContentType;
+import org.apache.http.entity.mime.HttpMultipartMode;
 import org.apache.http.entity.mime.MultipartEntityBuilder;
 
 import me.chanjar.weixin.common.bean.result.WxError;
@@ -35,6 +36,7 @@ public WxMediaUploadResult execute(CloseableHttpClient httpclient, HttpHost http
       HttpEntity entity = MultipartEntityBuilder
             .create()
             .addBinaryBody("media", file)
+            .setMode(HttpMultipartMode.RFC6532)
             .build();
       httpPost.setEntity(entity);
       httpPost.setHeader("Content-Type", ContentType.MULTIPART_FORM_DATA.toString());

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/util/http/MaterialUploadRequestExecutor.java

@@ -13,6 +13,7 @@
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpPost;
 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.InputStreamBody;
 import org.apache.http.impl.client.CloseableHttpClient;
@@ -36,7 +37,9 @@ public WxMpMaterialUploadResult execute(CloseableHttpClient httpclient, HttpHost
       }
       BufferedInputStream bufferedInputStream = new BufferedInputStream(new FileInputStream(file));
       MultipartEntityBuilder multipartEntityBuilder = MultipartEntityBuilder.create();
-      multipartEntityBuilder.addPart("media", new InputStreamBody(bufferedInputStream, material.getName()));
+      multipartEntityBuilder
+          .addPart("media", new InputStreamBody(bufferedInputStream, material.getName()))
+          .setMode(HttpMultipartMode.RFC6532);
       Map<String, String> form = material.getForm();
       if (material.getForm() != null) {
         multipartEntityBuilder.addTextBody("description", WxGsonBuilder.create().toJson(form));