文件下载提交
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parent
14587342cf
commit
04b4e489e4
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@ -2,8 +2,9 @@
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools">
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<uses-permission android:name="android.permission.INTERNET" />
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<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
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<!-- Android 10+ 不需要 WRITE_EXTERNAL_STORAGE，DownloadManager 可访问 Downloads 目录 -->
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<application
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android:name=".MyApplication"
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@ -1,31 +1,32 @@
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package com.pxkj.jwzs;
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import android.app.DownloadManager;
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import android.content.Context;
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import android.net.Uri;
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import android.net.http.SslError;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.Environment;
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import android.os.Handler;
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import android.os.Looper;
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import android.text.TextUtils;
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import android.util.Log;
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import android.webkit.JavascriptInterface;
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import android.webkit.SslErrorHandler;
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import android.webkit.URLUtil;
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import android.webkit.WebResourceRequest;
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import android.webkit.WebResourceResponse;
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import android.webkit.WebSettings;
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import android.webkit.WebView;
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import android.webkit.WebViewClient;
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import android.widget.Toolbar;
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import android.widget.Toast;
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import androidx.annotation.Nullable;
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import androidx.annotation.RequiresApi;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.lang.ref.WeakReference;
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import java.net.URLConnection;
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import java.util.HashMap;
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import java.util.Map;
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@ -38,7 +39,7 @@ public class FirstActivity extends BaseActivity {
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private static final Map<String, String> MIME_TYPES = new HashMap<>();
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static {
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MIME_TYPES.put("js", "text/javascript");
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MIME_TYPES.put("mjs", "text/javascript"); // 模块JavaScript
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MIME_TYPES.put("mjs", "text/javascript");
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MIME_TYPES.put("css", "text/css");
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MIME_TYPES.put("html", "text/html");
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MIME_TYPES.put("png", "image/png");
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@ -58,31 +59,11 @@ public class FirstActivity extends BaseActivity {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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// 初始化Toolbar
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// androidx.appcompat.widget.Toolbar toolbar = findViewById(R.id.toolbar);
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// setSupportActionBar(toolbar); // 关键：将Toolbar设为ActionBar
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// 显示返回按钮
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// if (getSupportActionBar() != null) {
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// getSupportActionBar().setDisplayHomeAsUpEnabled(true);
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// getSupportActionBar().setDisplayShowHomeEnabled(true);
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// }
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// 设置返回按钮点击事件
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// toolbar.setNavigationOnClickListener(v -> {
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// if (webView.canGoBack()) {
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// webView.goBack();
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// } else {
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// finish();
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// }
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// });
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initWebView();
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loadLocalH5();
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verifyAssets();
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}
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@Override
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public void onBackPressed() {
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if (webView.canGoBack()) {
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@ -91,26 +72,11 @@ public class FirstActivity extends BaseActivity {
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super.onBackPressed();
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}
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}
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private void verifyAssets() {
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try {
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String[] files = getAssets().list("web");
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Log.d(TAG, "Assets/web 目录内容: " + java.util.Arrays.toString(files));
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if (files != null) {
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boolean hasIndexHtml = false;
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boolean hasAssetsDir = false;
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for (String file : files) {
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if (file.equals("index.html")) hasIndexHtml = true;
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if (file.equals("assets")) hasAssetsDir = true;
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}
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Log.d(TAG, "index.html 存在: " + hasIndexHtml);
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Log.d(TAG, "assets 目录存在: " + hasAssetsDir);
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if (hasAssetsDir) {
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String[] assetFiles = getAssets().list("web/assets");
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Log.d(TAG, "Assets/web/assets 目录内容: " + java.util.Arrays.toString(assetFiles));
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}
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}
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} catch (IOException e) {
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Log.e(TAG, "无法读取 assets 目录", e);
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}
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@ -120,7 +86,6 @@ public class FirstActivity extends BaseActivity {
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webView = findViewById(R.id.webview);
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WebSettings settings = webView.getSettings();
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// 基本设置
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settings.setJavaScriptEnabled(true);
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settings.setDomStorageEnabled(true);
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settings.setDatabaseEnabled(true);
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@ -130,30 +95,21 @@ public class FirstActivity extends BaseActivity {
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settings.setLoadsImagesAutomatically(true);
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settings.setBlockNetworkImage(false);
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settings.setBlockNetworkLoads(false);
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// 缓存设置
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settings.setCacheMode(WebSettings.LOAD_DEFAULT);
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// 跨域设置
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
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settings.setAllowFileAccessFromFileURLs(true);
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settings.setAllowUniversalAccessFromFileURLs(true);
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}
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// 混合内容设置
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
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settings.setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
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}
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// 对于Android 10+的暗黑模式设置
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
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settings.setForceDark(WebSettings.FORCE_DARK_OFF);
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}
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// 添加JS接口
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webView.addJavascriptInterface(new JsBridge(this), "AndroidBridge");
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// 启用WebView调试
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
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WebView.setWebContentsDebuggingEnabled(true);
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}
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@ -168,16 +124,23 @@ public class FirstActivity extends BaseActivity {
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@Override
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public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
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// 忽略SSL错误（仅用于开发环境）
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handler.proceed();
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}
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@Override
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public boolean shouldOverrideUrlLoading(WebView view, String url) {
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if (isDownloadUrl(url)) {
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downloadFile(url);
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return true;
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}
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return super.shouldOverrideUrlLoading(view, url);
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}
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@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
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@Override
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public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) {
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String url = request.getUrl().toString();
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log(TAG, "拦截请求: " + url);
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return handleResourceRequest(url);
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}
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@ -194,52 +157,37 @@ public class FirstActivity extends BaseActivity {
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if (url.startsWith("file:///android_asset/")) {
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try {
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String assetPath = url.replace("file:///android_asset/", "");
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// 标准化路径处理
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assetPath = assetPath.replace("web/./", "web/")
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.replace("/./", "/");
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// 确保路径以web/开头
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if (!assetPath.startsWith("web/")) {
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assetPath = "web/" + assetPath;
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}
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assetPath = assetPath.replace("web/./", "web/").replace("/./", "/");
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if (!assetPath.startsWith("web/")) assetPath = "web/" + assetPath;
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InputStream inputStream = getAssets().open(assetPath);
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String mimeType = getMimeTypeForUrl(url);
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log(TAG, "成功加载资源: " + assetPath + " | MIME: " + mimeType);
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return new WebResourceResponse(mimeType, "UTF-8", inputStream);
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} catch (IOException e) {
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log(TAG, "资源加载失败: " + url + ", 错误: " + e.getMessage());
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return null; // 返回null让WebView尝试其他方式加载
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return null;
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}
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}
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return null;
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}
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});
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// DownloadListener 备用
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webView.setDownloadListener((url, userAgent, contentDisposition, mimeType, contentLength) -> {
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downloadFile(url);
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});
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}
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private String getMimeTypeForUrl(String url) {
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// 特殊处理模块脚本
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if (url.contains("index-DJSXJc-t.js") || url.contains(".mjs") ||
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(url.contains("module") && url.endsWith(".js"))) {
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if (url.contains("index-DJSXJc-t.js") || url.contains(".mjs") || (url.contains("module") && url.endsWith(".js"))) {
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return "text/javascript";
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}
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// 移除URL中的查询参数和哈希
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String cleanUrl = url.split("[?#]")[0];
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// 从文件扩展名获取MIME类型
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String extension = "";
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int dotIndex = cleanUrl.lastIndexOf('.');
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if (dotIndex > 0) {
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extension = cleanUrl.substring(dotIndex + 1).toLowerCase();
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}
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// 从预设映射中获取MIME类型
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if (dotIndex > 0) extension = cleanUrl.substring(dotIndex + 1).toLowerCase();
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String mimeType = MIME_TYPES.get(extension);
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// 默认值
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return mimeType != null ? mimeType : "text/plain";
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}
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private void loadLocalH5() {
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runOnUiThread(() -> {
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// 直接使用loadUrl加载，确保路径解析正确
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String localUrl = "file:///android_asset/web/index.html";
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log(TAG, "使用 loadUrl 加载: " + localUrl);
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webView.loadUrl(localUrl);
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});
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}
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private boolean isDownloadUrl(String url) {
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if (TextUtils.isEmpty(url)) return false;
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return true;
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// return url.endsWith(".pdf")
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// || url.endsWith(".doc")
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// || url.endsWith(".docx")
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// || url.endsWith(".xls")
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// || url.endsWith(".xlsx")
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// || url.contains("/api/file/");
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}
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private void downloadFile(String url) {
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try {
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DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
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String fileName = URLUtil.guessFileName(url, null, null);
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request.setTitle(fileName);
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request.setDescription("正在下载文件...");
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request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
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request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName);
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request.allowScanningByMediaScanner();
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request.addRequestHeader("User-Agent", System.getProperty("http.agent"));
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DownloadManager dm = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
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dm.enqueue(request);
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Toast.makeText(this, "文件已开始下载，完成后可在通知栏查看", Toast.LENGTH_SHORT).show();
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} catch (Exception e) {
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e.printStackTrace();
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Toast.makeText(this, "下载失败: " + e.getMessage(), Toast.LENGTH_SHORT).show();
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}
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}
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public static class JsBridge {
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private final WeakReference<FirstActivity> activityRef;
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@ -271,8 +252,7 @@ public class FirstActivity extends BaseActivity {
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if (activity != null) {
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showLog("[Android] 开始获取资源地址...");
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String baseUrl = SpUtils.getString(activity, "TARGET_URL", "");
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String logMsg = "[Android] 获取到资源地址: " + baseUrl;
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showLog(logMsg);
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showLog("[Android] 获取到资源地址: " + baseUrl);
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return baseUrl;
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}
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return null;
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@ -280,7 +260,7 @@ public class FirstActivity extends BaseActivity {
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@JavascriptInterface
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public void callApiWithAddress(String apiPath) {
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// 实现保持不变
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// 保持空实现
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}
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@JavascriptInterface
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@ -288,9 +268,7 @@ public class FirstActivity extends BaseActivity {
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FirstActivity activity = activityRef.get();
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if (activity != null) {
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activity.runOnUiThread(() -> {
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// 安全转义
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String escapedMessage = message
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.replace("\\", "\\\\")
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String escapedMessage = message.replace("\\", "\\\\")
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.replace("'", "\\'")
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.replace("\"", "\\\"")
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.replace("\n", "\\n")
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@ -307,7 +285,7 @@ public class FirstActivity extends BaseActivity {
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protected void refresh() {
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// 空实现
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}
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//
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// private void log(String tag, String message) {
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// Log.d(tag, message);
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// if (webViewLogger != null) {
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