那些遇到过的问题

如何从我的Android应用程序上传表单数据和多个文件,使用HTTPURLConnection到我的服务器,我在哪里使用PHP？

Rbe*_*ben 1 php android content-type httpurlconnection content-disposition

我有一个Android应用程序,它将1个或多个zip文件发送到服务器.我想发送一些额外的表单数据和文件,因为表单数据将用于确定文件的处置.

我已经能够使用多部分作为内容类型上传文件,但我似乎无法在服务器端获取php以查看表单数据和文件.

我想知道的是如何使用android端的HTTPUrlConnection和服务器端的PHP将表单数据和文件列表发送到服务器.

我相信我的问题与Content-Type和Content-Disposition有关.如果有人能指出我一个明确的例子,或者解释我做错了什么,我真的很感激.

感谢您抽出宝贵时间来研究这个问题.

这是最新的,修订过的Android代码:

String postDriverUpload(File[] fileList) {
        HttpURLConnection connection = null;
        DataOutputStream outputStream = null;
        String tag = TAG + "postDriverInfo()";
        URL url = null;
        String result = OK_TO_CONTINUE;

        String targetUrl = server + "/upload.php";

        try {
            url = new URL(targetUrl);
        } catch (MalformedURLException e) {
            result = "ERROR: [" + targetUrl + "] can't be parsed into a URL.";
            Log.e(tag, result, e);
            return result;
        }

        try {
            connection = (HttpURLConnection) url.openConnection();
        } catch (IOException e) {
            result = "ERROR: IOException.";
            Log.e(tag, result, e);
            return result;
        }

        // Allow Inputs and Outputs
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setUseCaches(false);

        // Enable POST method

        try {
            connection.setRequestMethod("POST");
        } catch (ProtocolException e) {
            result = "Error: Protocol Exception.";
            Log.e(tag, result, e);
            return result;
        }

        connection.setRequestProperty("Connection", "Keep-Alive");
        connection.setRequestProperty("Content-Type",
                "multipart/form-data;boundary=" + BOUNDARY);

        // Encode driver userName
        List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
        try {
            nameValuePairs.add(new BasicNameValuePair("userName", driver
                    .getUserName()));
            Log.d(tag, "Encoded userName='driver' is: "
                    + encodeData(nameValuePairs));

            // Create output Stream to send data to server
            outputStream = new DataOutputStream(connection.getOutputStream());
            writeBoundary(outputStream);
            outputStream
                    .writeBytes("Content-Disposition: form-data; name=\"userName\" "
                            + EOL + EOL);
            outputStream.writeBytes(driver.getUserName() + EOL);
            writeBoundary(outputStream);

            // Starting the Files part
            outputStream
                    .writeBytes("Content-Disposition: form-data; name=\"files\" "
                            + EOL + EOL);
            outputStream.writeBytes("Content-Type: multipart/mixed; boundary="
                    + FILE_BOUNDARY + EOL);
            // Adding the file parts
            for (File file : fileList) {
                writeFileBoundary(outputStream);
                // write out file
                String contentType = String.format(
                        "Content-Disposition:file; filename=\"%s\"" + EOL
                                + "Content-Type: application/x-zip-compressed",
                        file.getName())
                        + EOL + EOL;
                Log.d(tag, "Content-Type = " + contentType);
                outputStream.write(contentType.getBytes());
            }
            writeFileBoundary(outputStream);
            writeBoundary(outputStream);
            outputStream.flush();
            outputStream.close();
        } catch (UnsupportedEncodingException e) {
            result = "Error: UnsupportedEncodingException ";
            Log.e(tag, result, e);
            return result;
        } catch (IOException e) {
            result = "Error: IOException ";
            Log.e(tag, result, e);
            return result;
        }

        // Get Response from server (code and message)
        try {
            int serverResponseCode = connection.getResponseCode();
            String serverResponseMessage = connection.getResponseMessage();
            Log.d(tag, "Response Code = " + serverResponseCode);
            Log.d(tag, "Response Message = " + serverResponseMessage);
        } catch (IOException e) {
            result = "Error getting response from server.";
            Log.e(tag, result, e);
            return result;
        }
        final StringBuilder out = new StringBuilder();
        try {
            BufferedReader in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream()));
            String line;
            while (null != (line = in.readLine())) {
                if (line.contains("ERROR")) {
                    Log.d(tag, "HTTPResponse: " + out.toString());
                    result = "Error: HTTPResponse: " + out.toString();
                    break;
                }
                out.append(line + "\n\n");
            }
            Log.d(tag, "HTTPResponse: " + out.toString());

        } catch (IOException e) {
            Log.w(tag, "WARNING: ", e);
        }

        return result;
    }


void writeBoundary(DataOutputStream out) throws IOException {
    final String twoHyphens = "--";
    out.writeBytes(twoHyphens + BOUNDARY + EOL);
}

void writeFileBoundary(DataOutputStream out) throws IOException {
    final String twoHyphens = "--";
    out.writeBytes(twoHyphens + FILE_BOUNDARY + EOL);
}
Run Code Online (Sandbox Code Playgroud)

这是我在Android端登录的输出.正如您所看到的,key,userName和value,rbenjamin正在被正确加载到$ _POST变量中,但是某些事情并没有超过这一点.我用BOUNDARY分隔下一节,但它似乎吞噬了变量'files'的值.我很亲密,但我仍然缺少一些东西.(我在下面的日志文件中删除了大部分噪音.)

: Upload Button Clicked.
: Compiling upload file
: getting delivered SQL = SELECT * FROM deliveryorder WHERE delivereddatetime != ''
: uploadEnabled = true
: downloadEnabled = false
: driverEmail = ray.benjamin@gmail.com
: Starting, getting database.
: Found 1 drivers.
: Processing driver 1
: user name is rbenjamin
: email is ray.benjamin@gmail.com
: Uploading files using HTTP to http://192.168.1.17:8080
: There are 16 files.
: Checking download - enabled? false
: Encoded userName='driver' is: userName=rbenjamin
: Content-Type = Content-Disposition:file; filename="upload20130820_1015.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130820_1048.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130821_1624.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130821_1628.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130821_1645.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130821_1647.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130821_1705.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130821_1709.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130821_1746.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130821_1801.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130821_1804.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130821_1811.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130821_1813.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130821_1821.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130821_2050.zip"

: Content-Type: application/x-zip-compressed

: 

: Content-Type = Content-Disposition:file; filename="upload20130825_1957.zip"

: Content-Type: application/x-zip-compressed

: 

: Response Code = 200
: Response Message = OK
: HTTPResponse: <!DOCTYPE html>
: <html>
: <body>
: POST is defined.<br>Key = userName"_, Value = rbenjamin<br>Key = files"_, Value = Content-Type: multipart/mixed; boundary=**FILE*BOUNDARY***25WLqf@***
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130820_1015.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130820_1048.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130821_1624.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130821_1628.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130821_1645.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130821_1647.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130821_1705.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130821_1709.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130821_1746.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130821_1801.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130821_1804.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130821_1811.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130821_1813.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130821_1821.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130821_2050.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***
: Content-Disposition:file; filename="upload20130825_1957.zip"
: Content-Type: application/x-zip-compressed
: --**FILE*BOUNDARY***25WLqf@***<br>
: Notice: Undefined index: userName in /var/www-pbs/upload.php on line 15
: Call Stack:
:     0.0083     638888   1. {main}() /var/www-pbs/upload.php:0
: User Name is: <br>FILES is defined.<br>
: Notice: Undefined index: file in /var/www-pbs/upload.php on line 24
: Call Stack:
:     0.0083     638888   1. {main}() /var/www-pbs/upload.php:0
: <p>Dumping _FILES</p>
: Notice: Undefined index: file in /var/www-pbs/upload.php on line 34
: Call Stack:
:     0.0083     638888   1. {main}() /var/www-pbs/upload.php:0
: Notice: Undefined index: file in /var/www-pbs/upload.php on line 40
: Call Stack:
:     0.0083     638888   1. {main}() /var/www-pbs/upload.php:0
: Upload: <br>
: Notice: Undefined index: file in /var/www-pbs/upload.php on line 41
: Call Stack:
:     0.0083     638888   1. {main}() /var/www-pbs/upload.php:0
: Type  : <br>
: Notice: Undefined index: file in /var/www-pbs/upload.php on line 42
: Call Stack:
:     0.0083     638888   1. {main}() /var/www-pbs/upload.php:0
: Size  : 0 kB<br>
: Notice: Undefined index: file in /var/www-pbs/upload.php on line 43
: Call Stack:
:     0.0083     638888   1. {main}() /var/www-pbs/upload.php:0
: Stored in: 
: Notice: Undefined index: file in /var/www-pbs/upload.php on line 45
: Call Stack:
:     0.0083     638888   1. {main}() /var/www-pbs/upload.php:0
: Notice: Undefined index: file in /var/www-pbs/upload.php on line 47
: Call Stack:
:     0.0083     638888   1. {main}() /var/www-pbs/upload.php:0
:  already exists.
: </body>
: </html>
: 200
Run Code Online (Sandbox Code Playgroud)

Rbe*_*ben 5

没有人回答我的问题,但我最终找到了我需要的东西: 一篇关于以编程方式发送多部分表格的www.codejava.net文章.这正是医生所要求的.本文为您提供了一个MultipartUtility类,使用HTTPURLConnection可以轻松上传.它不仅是一个答案,而且是一个结构良好的答案.我不得不为Android调整一下,但不多.

归档时间：

查看次数：

5573 次

最近记录：

12 年，6 月 前
相关归档
如何在Android应用程序中创建PDF？ 144
PDO支持多个查询(PDO_MYSQL,PDO_MYSQLND) 96
Android专栏'_id'不存在？ 72
Jetpack compose 更新到 1.0.0-rc01 后无法预览 55
在Android中使用Serializable是不是很糟糕？ 53
如何使用Eclipse逐行调试Android应用程序？ 50
找不到tools.jar.请检查C:\ Program Files\Java\jre1.8.0_151是否包含有效的JDK安装 50
数据绑定Android - 类型参数T具有不兼容的上限:ViewDataBinding和MainActivity 47
将当前页面保存为HTML到服务器 38
php脚本删除超过24小时的文件,删除所有文件 28
难疑归档
var functionName = function(){} vs function functionName(){} 6645
npm install的--save选项是什么？ 1779
如何在Java中打破嵌套循环？ 1751
如何仅从SQL Server DateTime数据类型返回日期 1692
如何在Linux shell脚本中提示是/否/取消输入？ 1352
Promises和Observables有什么区别？ 1291
如何在PHP中使用bcrypt进行散列密码？ 1230
Tab键== 4个空格并在Vim中的花括号后自动缩进 1224
Git:如何在项目提交历史中找到已删除的文件？ 1183
jQuery的jquery-1.10.2.min.map触发了404(未找到) 1051