日报2025424
今日实现个人作业第二阶段
package com.example.dailyreport.ui.blog;
import android.app.ProgressDialog;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.example.dailyreport.R;
import com.example.dailyreport.adapter.BlogAdapter;
import com.example.dailyreport.model.Blog;
import com.example.dailyreport.network.ApiResponse;
import com.example.dailyreport.network.RetrofitClient;
import java.util.ArrayList;
import java.util.List;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
public class ViewBlogsActivity extends AppCompatActivity {
private RecyclerView recyclerView;
private BlogAdapter adapter;
private String userId;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_view_blogs);
// 获取当前用户ID
userId = getIntent().getStringExtra("userId");
if(userId == null) {
Toast.makeText(this, "用户ID获取失败", Toast.LENGTH_SHORT).show();
finish();
return;
}
// 在onCreate方法中添加以下代码，显示学生姓名
String studentName = getIntent().getStringExtra("studentName");
if (studentName != null && !studentName.isEmpty()) {
setTitle(studentName + "的博客列表");
}
recyclerView = findViewById(R.id.rvBlogs);
recyclerView.setLayoutManager(new LinearLayoutManager(this));
loadBlogs();
// 在onCreate方法中添加以下代码，初始化适配器
// 在onCreate方法中初始化适配器时添加点击监听
adapter = new BlogAdapter(new ArrayList<>(), blog -> {
// 处理博客点击事件
if (blog != null && blog.getBlogAddress() != null) {
String url = blog.getBlogAddress();
// 添加URL格式验证
if (!url.startsWith("http://") && !url.startsWith("https://")) {
url = "http://" + url;
}
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setData(Uri.parse(url));
startActivity(intent);
}
});
recyclerView.setAdapter(adapter);
}
private void loadBlogs() {
ProgressDialog progressDialog = new ProgressDialog(this);
progressDialog.setMessage("正在加载博客列表...");
progressDialog.show();
RetrofitClient.getInstance().getApiService()
.selectByUserId(userId)
.enqueue(new Callback<ApiResponse<List<Blog>>>() {
@Override
public void onResponse(Call<ApiResponse<List<Blog>>> call, Response<ApiResponse<List<Blog>>> response) {
progressDialog.dismiss();
try {
if (response.isSuccessful() && response.body() != null) {
ApiResponse<List<Blog>> apiResponse = response.body();
List<Blog> blogs = apiResponse.getData();
if (blogs == null || blogs.isEmpty()) {
Toast.makeText(ViewBlogsActivity.this, "没有找到博客", Toast.LENGTH_SHORT).show();
} else {
// 使用新添加的方法更新适配器
adapter.setBlogList(blogs);
}
} else {
Toast.makeText(ViewBlogsActivity.this, "获取博客失败", Toast.LENGTH_SHORT).show();
}
} catch (Exception e) {
e.printStackTrace();
Toast.makeText(ViewBlogsActivity.this, "处理响应异常: " + e.getMessage(), Toast.LENGTH_SHORT).show();
}
}
@Override
public void onFailure(Call<ApiResponse<List<Blog>>> call, Throwable t) {
progressDialog.dismiss();
Toast.makeText(ViewBlogsActivity.this,
"网络错误: " + t.getMessage(), Toast.LENGTH_SHORT).show();
}
});
}
}
package com.example.dailyreport.ui.blog;
import android.os.Bundle;
import android.webkit.WebResourceError;
import android.webkit.WebResourceRequest;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import com.example.dailyreport.R;
public class WebViewActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_webview);
String url = getIntent().getStringExtra("url");
if (url == null || url.isEmpty()) {
Toast.makeText(this, "无效的URL", Toast.LENGTH_SHORT).show();
finish();
return;
}
// 确保URL格式正确
if (!url.startsWith("http://") && !url.startsWith("https://")) {
url = "https://" + url;
}
WebView webView = findViewById(R.id.webView);
WebSettings webSettings = webView.getSettings();
webSettings.setJavaScriptEnabled(true);
webSettings.setDomStorageEnabled(true);
webSettings.setLoadsImagesAutomatically(true);
webSettings.setCacheMode(WebSettings.LOAD_DEFAULT);
webSettings.setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
// 允许加载任何来源的内容
webSettings.setAllowContentAccess(true);
webSettings.setAllowFileAccess(true);
webSettings.setAllowFileAccessFromFileURLs(true);
webSettings.setAllowUniversalAccessFromFileURLs(true);
final String finalUrl = url;
webView.setWebViewClient(new WebViewClient() {
@Override
public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
Toast.makeText(WebViewActivity.this,
"加载失败，请检查网络连接或URL是否正确", Toast.LENGTH_LONG).show();
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
return false; // 允许WebView处理URL加载
}
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
// 页面加载完成
Toast.makeText(WebViewActivity.this, "页面加载完成", Toast.LENGTH_SHORT).show();
}
});
try {
// 打印URL，便于调试
System.out.println("正在加载URL: " + finalUrl);
webView.loadUrl(finalUrl);
} catch (Exception e) {
Toast.makeText(this, "加载URL时出错: " + e.getMessage(), Toast.LENGTH_LONG).show();
e.printStackTrace();
}
}
@Override
public void onBackPressed() {
WebView webView = findViewById(R.id.webView);
if (webView.canGoBack()) {
webView.goBack();
} else {
super.onBackPressed();
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="#F5F5F5">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="学生列表"
android:textSize="20sp"
android:textStyle="bold"
android:gravity="center"
android:padding="16dp"
android:background="#FFFFFF"
android:elevation="4dp"/>
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/rvStudents"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="8dp"
android:clipToPadding="false"/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/rvBlogs"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<WebView
android:id="@+id/webView"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
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