diff --git a/app/src/main/java/com/pxkj/jwzs/FirstActivity.java b/app/src/main/java/com/pxkj/jwzs/FirstActivity.java index 12b1cb2..391c03d 100644 --- a/app/src/main/java/com/pxkj/jwzs/FirstActivity.java +++ b/app/src/main/java/com/pxkj/jwzs/FirstActivity.java @@ -29,6 +29,8 @@ import android.content.Intent; // ← 文件选择核心类 import android.database.Cursor; // ← 解析文件信息 import android.provider.OpenableColumns; // ← 获取文件名、大小 +import org.json.JSONObject; + import java.io.IOException; import java.io.InputStream; import java.lang.ref.WeakReference; @@ -244,6 +246,19 @@ public class FirstActivity extends BaseActivity { // || url.contains("/api/file/"); } + private void previewFile(String url) { + try { + if (webView != null) { + webView.loadUrl(url); + } + + Toast.makeText(this, "正在打开文件预览...", Toast.LENGTH_SHORT).show(); + } catch (Exception e) { + e.printStackTrace(); + Toast.makeText(this, "预览文件失败: " + e.getMessage(), Toast.LENGTH_LONG).show(); + } + } + private long currentDownloadId = -1; // 保存当前下载任务ID private void downloadFile(String url) { @@ -342,69 +357,158 @@ public class FirstActivity extends BaseActivity { } } - // 在 FirstActivity.java 中添加以下代码 +// ============================== +// 文件选择与上传逻辑（新增部分） +// ============================== - private static final int REQUEST_CODE_FILE_PICK = 2001; - private Uri selectedFileUri; + private static final int REQUEST_CODE_FILE_CHOOSER = 2001; - private void chooseFile() { - runOnUiThread(() -> { - Intent intent = new Intent(Intent.ACTION_GET_CONTENT); - intent.setType("*/*"); // 所有类型 - intent.addCategory(Intent.CATEGORY_OPENABLE); - startActivityForResult(Intent.createChooser(intent, "请选择文件"), REQUEST_CODE_FILE_PICK); - }); + /** + * JS 调用此方法选择文件 + */ + @JavascriptInterface + public void chooseFile() { + Intent intent = new Intent(Intent.ACTION_GET_CONTENT); + intent.setType("*/*"); + intent.addCategory(Intent.CATEGORY_OPENABLE); + startActivityForResult(Intent.createChooser(intent, "选择要上传的文件"), REQUEST_CODE_FILE_CHOOSER); } /** - * 选择文件后的回调 + * 文件选择结果回调 */ @Override protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) { super.onActivityResult(requestCode, resultCode, data); - if (requestCode == REQUEST_CODE_FILE_PICK && resultCode == RESULT_OK && data != null) { - selectedFileUri = data.getData(); - if (selectedFileUri != null) { - String fileName = getFileNameFromUri(selectedFileUri); - String filePath = selectedFileUri.toString(); - - // 将选择的文件信息传回前端 JS - if (webView != null) { - String jsCode = String.format( - "if(window.onFileChosen){window.onFileChosen('%s','%s');}", - fileName.replace("'", "\\'"), - filePath.replace("'", "\\'") - ); - webView.evaluateJavascript(jsCode, null); - } - - Toast.makeText(this, "已选择文件: " + fileName, Toast.LENGTH_SHORT).show(); + if (requestCode == REQUEST_CODE_FILE_CHOOSER && resultCode == RESULT_OK && data != null) { + Uri uri = data.getData(); + if (uri != null) { + Toast.makeText(this, "文件已选择，开始上传...", Toast.LENGTH_SHORT).show(); + uploadFile(uri); // 自动上传文件 } } } /** - * 从 Uri 中获取文件名 + * 上传文件到服务器 + */ + private void uploadFile(Uri uri) { + new Thread(() -> { + try { + // ✅ 修改为你的文件上传接口地址 +// String uploadUrl = "http://218.92.207.242:9678/file/upload"; // TODO: 替换为后端真实接口 + + String uploadUrl = "http://20.47.196.98:40080/fwzx/v1.0.0/getServiceInfoByServiceId/32092423SJNB12202507111046530001/320924230000-3-0800-5CDEC9969D674E1CBB7E2F86A697B0D7/api/file/upload"; + + String token = getToken(); // ✅ 从本地获取前端传来的 token + if (TextUtils.isEmpty(token)) { + runOnUiThread(() -> Toast.makeText(this, "请先登录后再上传", Toast.LENGTH_SHORT).show()); + return; + } + + // 获取文件名 + String fileName = getFileNameFromUri(uri); + if (TextUtils.isEmpty(fileName)) fileName = "upload_file"; + + // 读取文件内容 + InputStream inputStream = getContentResolver().openInputStream(uri); + byte[] fileBytes = new byte[inputStream.available()]; + inputStream.read(fileBytes); + inputStream.close(); + + // 使用 OkHttp 上传 + okhttp3.OkHttpClient client = new okhttp3.OkHttpClient(); + okhttp3.RequestBody fileBody = okhttp3.RequestBody.create( + okhttp3.MediaType.parse("application/octet-stream"), + fileBytes + ); + okhttp3.MultipartBody requestBody = new okhttp3.MultipartBody.Builder() + .setType(okhttp3.MultipartBody.FORM) + .addFormDataPart("file", fileName, fileBody) + .build(); + + okhttp3.Request request = new okhttp3.Request.Builder() + .url(uploadUrl) + .addHeader("accesstoken", token) // ✅ 添加 token 认证头 + .post(requestBody) + .build(); + + okhttp3.Response response = client.newCall(request).execute(); + + if (response.isSuccessful()) { + String result = response.body().string(); + Log.d(TAG, "文件上传成功: " + result); + + // ✅ 提取 fileName 与后端返回的 data + String safeResult = result.replace("'", "\\'"); // 避免 JS 语法错误 + String safeFileName = fileName.replace("'", "\\'"); + + runOnUiThread(() -> { + Toast.makeText(this, "上传成功", Toast.LENGTH_SHORT).show(); + + if (webView != null) { + // ✅ 传 fileName 与 data 到前端 + String jsCode = String.format( + "window.onFileUploadSuccess && window.onFileUploadSuccess({fileName: '%s', data: %s})", + safeFileName, safeResult + ); + webView.evaluateJavascript(jsCode, null); + } + }); + } else { + runOnUiThread(() -> + Toast.makeText(this, "上传失败: " + response.code(), Toast.LENGTH_LONG).show() + ); + } + + } catch (Exception e) { + e.printStackTrace(); + runOnUiThread(() -> + Toast.makeText(this, "上传异常: " + e.getMessage(), Toast.LENGTH_LONG).show() + ); + } + }).start(); + } + + /** + * 从 Uri 获取文件名 */ private String getFileNameFromUri(Uri uri) { String result = null; if ("content".equals(uri.getScheme())) { try (android.database.Cursor cursor = getContentResolver().query(uri, null, null, null, null)) { if (cursor != null && cursor.moveToFirst()) { - result = cursor.getString(cursor.getColumnIndex(android.provider.OpenableColumns.DISPLAY_NAME)); + result = cursor.getString(cursor.getColumnIndexOrThrow(android.provider.OpenableColumns.DISPLAY_NAME)); } } } if (result == null) { result = uri.getPath(); int cut = result.lastIndexOf('/'); - if (cut != -1) { - result = result.substring(cut + 1); - } + if (cut != -1) result = result.substring(cut + 1); } return result; } +// ============================== +// ✅ 新增：存储与获取 token 的方法 +// ============================== + + private static final String KEY_TOKEN = "USER_TOKEN"; + + // JS 传入 token + @JavascriptInterface + public void setToken(String token) { + if (!TextUtils.isEmpty(token)) { + SpUtils.putString(this, KEY_TOKEN, token); + Log.d(TAG, "已保存 token: " + token); + } + } + + // 获取本地 token + private String getToken() { + return SpUtils.getString(this, KEY_TOKEN, ""); + } public static class JsBridge { @@ -439,6 +543,7 @@ public class FirstActivity extends BaseActivity { activity.runOnUiThread(() -> activity.downloadFile(url)); } } + // ✅ 供前端调用的文件选择方法 @JavascriptInterface public void chooseFile() { @@ -448,6 +553,23 @@ public class FirstActivity extends BaseActivity { } } + // ✅ 供前端调用的文件选择方法 + @JavascriptInterface + public void previewFile(String url) { + FirstActivity activity = activityRef.get(); + if (activity != null && !TextUtils.isEmpty(url)) { + activity.runOnUiThread(() -> activity.previewFile(url)); + } + } + + // ✅ 供前端调用的文件选择方法 + @JavascriptInterface + public void setToken(String token) { + FirstActivity activity = activityRef.get(); + if (activity != null && !TextUtils.isEmpty(token)) { + activity.runOnUiThread(() -> activity.setToken(token)); + } + } @JavascriptInterface public void showLog(String message) { FirstActivity activity = activityRef.get();