![\"menu-r.4af5f7ec.gif\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250528233630-68379dfe47c28.gif\")
<\/p>\n \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 <\/p>\n
\u7b80\u4ecb：\u672c\u9879\u76ee\u5c55\u793a\u4e86Android\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4ea4\u4e92\u7684\u79fb\u52a8\u5e94\u7528\u5f00\u53d1，\u91cd\u70b9\u662f\u8054\u7cfb\u4eba\u4fe1\u606f\u7684\u7ba1\u7406\u548c\u540c\u6b65\u3002\u901a\u8fc7\u5b66\u4e60\u9879\u76ee，\u5f00\u53d1\u8005\u53ef\u4ee5\u6df1\u5165\u4e86\u89e3Android\u5e94\u7528\u5f00\u53d1\u3001\u8054\u7cfb\u4eba\u7ba1\u7406\u3001\u5206\u7ec4\u7ba1\u7406\u3001\u4e2a\u4eba\u4e2d\u5fc3\u6a21\u5757\u3001\u672c\u5730\u5907\u4efd\u4e0e\u8fd8\u539f\u3001\u4e91\u5907\u4efd\u4e0e\u540c\u6b65\u3001\u670d\u52a1\u5668\u7aef\u5f00\u53d1\u3001\u6570\u636e\u540c\u6b65\u7b56\u7565\u3001\u5e94\u7528\u5b89\u5168\u6027\u548c\u6d4b\u8bd5\u8c03\u8bd5\u7b49\u5173\u952e\u77e5\u8bc6\u70b9，\u4ece\u800c\u63d0\u5347\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u6570\u636e\u4ea4\u4e92\u65b9\u9762\u7684\u5b9e\u9645\u5f00\u53d1\u6280\u80fd\u3002 ![\"\u901a\u8baf\u5f55\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250528233630-68379dfe52f50.png\")
<\/p>\n
\u5f00\u53d1\u4e00\u4e2aAndroid\u5e94\u7528\u4e4b\u524d，\u9996\u5148\u9700\u8981\u642d\u5efa\u5408\u9002\u7684\u5f00\u53d1\u73af\u5883\u3002\u8fd9\u5305\u62ec\u5b89\u88c5Android Studio，\u914d\u7f6eSDK，\u5e76\u4e86\u89e3\u865a\u62df\u8bbe\u5907\u7684\u8bbe\u7f6e\u3002\u73af\u5883\u7684\u642d\u5efa\u662f\u6574\u4e2a\u5f00\u53d1\u6d41\u7a0b\u7684\u57fa\u7840，\u786e\u4fdd\u5f00\u53d1\u73af\u5883\u7684\u6b63\u786e\u642d\u5efa\u662f\u907f\u514d\u540e\u7eed\u95ee\u9898\u7684\u5173\u952e\u3002 <\/p>\n
Android\u5e94\u7528\u4ece\u542f\u52a8\u5230\u5173\u95ed\u9075\u5faa\u4e00\u5b9a\u7684\u751f\u547d\u5468\u671f，\u7406\u89e3\u8fd9\u4e00\u5468\u671f\u5bf9\u4e8e\u5f00\u53d1\u4e00\u4e2a\u7a33\u5b9a\u7684\u5e94\u7528\u81f3\u5173\u91cd\u8981\u3002\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ecActivity\u7684\u751f\u547d\u5468\u671f\u65b9\u6cd5（onCreate\u3001onStart\u3001onResume\u7b49），\u4ee5\u53ca\u5982\u4f55\u5728\u8fd9\u4e9b\u751f\u547d\u5468\u671f\u4e8b\u4ef6\u4e2d\u8fdb\u884c\u6b63\u786e\u7684\u8d44\u6e90\u7ba1\u7406\u548c\u72b6\u6001\u4fdd\u5b58\u3002 <\/p>\n
\u6df1\u5165\u5b66\u4e60\u57fa\u7840\u7ec4\u4ef6\u5982Activity\u3001Service\u3001BroadcastReceiver\u548cContentProvider，\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528XML\u5e03\u5c40\u6587\u4ef6\u8bbe\u8ba1\u7528\u6237\u754c\u9762\u3002\u5728\u672c\u7ae0\u4e2d，\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u7ec4\u4ef6\u7684\u4f7f\u7528\u573a\u666f\u548c\u6ce8\u610f\u4e8b\u9879，\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u5e03\u5c40\u6587\u4ef6\u4e3a\u7528\u6237\u521b\u5efa\u76f4\u89c2\u3001\u54cd\u5e94\u8fc5\u901f\u7684\u754c\u9762\u3002 <\/p>\n
\u5728Android\u5e94\u7528\u4e2d，\u8054\u7cfb\u4eba\u5217\u8868\u754c\u9762\u662f\u7528\u6237\u4ea4\u4e92\u7684\u4e00\u4e2a\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u4e3a\u4e86\u4fdd\u8bc1\u826f\u597d\u7684\u7528\u6237\u4f53\u9a8c，\u8bbe\u8ba1\u65f6\u5e94\u8be5\u9075\u5faa\u4ee5\u4e0b\u539f\u5219： <\/p>\n
\u63a5\u4e0b\u6765，\u6211\u4eec\u5c06\u4ecb\u7ecd\u4f7f\u7528RecyclerView\u6765\u5b9e\u73b0\u8054\u7cfb\u4eba\u5217\u8868\u754c\u9762\u7684\u57fa\u672c\u6b65\u9aa4\u3002 <\/p>\n
\u9996\u5148，\u6dfb\u52a0RecyclerView\u548c\u76f8\u5e94\u7684\u5e03\u5c40\u7ba1\u7406\u5668\u4f9d\u8d56\u5230\u9879\u76ee\u7684build.gradle\u6587\u4ef6\u4e2d： <\/p>\n
dependencies {
\n implementation 'androidx.recyclerview:recyclerview:1.1.0'
\n implementation 'androidx.recyclerview:recyclerview-selection:1.1.0'
\n}<\/p>\n
\u7136\u540e，\u5728\u5e03\u5c40\u6587\u4ef6\u4e2d\u6dfb\u52a0RecyclerView\u63a7\u4ef6： <\/p>\n
<androidx.recyclerview.widget.RecyclerView
\n android:id="@+id\/recyclerView"
\n android:layout_width="match_parent"
\n android:layout_height="match_parent"\/><\/p>\n
\u5b9a\u4e49\u8054\u7cfb\u4eba\u9879\u7684\u5e03\u5c40，\u4f8b\u5982contacts_item.xml： <\/p>\n
<LinearLayout xmlns:android="http:\/\/schemas.android.com\/apk\/res\/android"
\n android:layout_width="match_parent"
\n android:layout_height="wrap_content"
\n android:orientation="horizontal"
\n android:padding="16dp"><\/p>\n
<ImageView
\n android:id="@+id\/contact_image"
\n android:layout_width="48dp"
\n android:layout_height="48dp"
\n android:src="@android:drawable\/ic_menu\u901a\u8baf\u5f55" \/><\/p>\n
<LinearLayout
\n android:layout_width="0dp"
\n android:layout_height="wrap_content"
\n android:layout_weight="1"
\n android:orientation="vertical"
\n android:paddingStart="16dp"><\/p>\n
<TextView
\n android:id="@+id\/contact_name"
\n android:layout_width="wrap_content"
\n android:layout_height="wrap_content"
\n android:textSize="18sp" \/><\/p>\n
<TextView
\n android:id="@+id\/contact_phone"
\n android:layout_width="wrap_content"
\n android:layout_height="wrap_content" \/>
\n <\/LinearLayout><\/p>\n
<Button
\n android:id="@+id\/contact_delete"
\n android:layout_width="wrap_content"
\n android:layout_height="wrap_content"
\n android:text="Delete" \/>
\n<\/LinearLayout><\/p>\n
\u5728Activity\u4e2d\u521d\u59cb\u5316RecyclerView： <\/p>\n
RecyclerView recyclerView = findViewById(R.id.recyclerView);
\nrecyclerView.setLayoutManager(new LinearLayoutManager(this));
\nrecyclerView.setAdapter(new ContactsAdapter(mContacts));<\/p>\n
\u5176\u4e2d， ContactsAdapter \u662f\u6211\u4eec\u81ea\u5b9a\u4e49\u7684\u9002\u914d\u5668，\u7528\u4e8e\u7ed1\u5b9a\u8054\u7cfb\u4eba\u6570\u636e\u3002 <\/p>\n
\u9002\u914d\u5668\u7c7b ContactsAdapter \u9700\u8981\u5b9e\u73b0 RecyclerView.Adapter \u63a5\u53e3，\u4ee5\u4e0b\u662f\u90e8\u5206\u4ee3\u7801： <\/p>\n
public class ContactsAdapter extends RecyclerView.Adapter<ContactsAdapter.ViewHolder> {
\n \/\/ …<\/p>\n
@Override
\n public void onBindViewHolder(ViewHolder holder, int position) {
\n Contact contact = mContacts.get(position);
\n holder.contactName.setText(contact.getName());
\n holder.contactPhone.setText(contact.getPhoneNumber());
\n \/\/ …
\n }<\/p>\n
\/\/ …
\n}<\/p>\n
\u4ee3\u7801\u903b\u8f91\u5206\u6790： 1. \u521b\u5efa\u5e76\u521d\u59cb\u5316RecyclerView，\u8bbe\u7f6e\u5e03\u5c40\u7ba1\u7406\u5668\u4e3a LinearLayoutManager \u3002 2. \u5b9a\u4e49\u8054\u7cfb\u4eba\u9879\u7684\u5e03\u5c40\u6587\u4ef6，\u6b64\u5904\u4f7f\u7528\u4e86\u5782\u76f4\u65b9\u5411\u7684LinearLayout\u5d4c\u5957\u3002 3. \u5728\u9002\u914d\u5668\u7684 onBindViewHolder \u65b9\u6cd5\u4e2d，\u7ed1\u5b9a\u6570\u636e\u5230\u89c6\u56fe\u3002 <\/p>\n
\u53c2\u6570\u8bf4\u660e： – LinearLayoutManager ：\u8d1f\u8d23\u56de\u6536\u548c\u91cd\u7528\u89c6\u56fe，\u63d0\u9ad8\u6eda\u52a8\u6027\u80fd\u3002 – ContactsAdapter ：\u81ea\u5b9a\u4e49\u7684\u9002\u914d\u5668\u7c7b，\u7528\u4e8e\u6839\u636e\u6570\u636e\u96c6\u63d0\u4f9b\u89c6\u56fe\u3002 <\/p>\n
\u5f53\u7528\u6237\u70b9\u51fb\u5217\u8868\u4e2d\u7684\u67d0\u4e00\u4e2a\u8054\u7cfb\u4eba\u65f6，\u5e94\u7528\u5e94\u5f53\u80fd\u591f\u5c55\u793a\u8be5\u8054\u7cfb\u4eba\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u8fd9\u901a\u5e38\u9700\u8981\u901a\u8fc7\u542f\u52a8\u4e00\u4e2a\u65b0\u7684Activity\u6216\u8005Fragment\u6765\u5b8c\u6210\u3002 <\/p>\n
\u5b9e\u73b0\u6b65\u9aa4\u5982\u4e0b： <\/p>\n
holder.itemView.setOnClickListener(new View.OnClickListener() {
\n @Override
\n public void onClick(View v) {
\n int position = getAdapterPosition();
\n Contact contact = mContacts.get(position);
\n \/\/ \u542f\u52a8\u8be6\u60c5Activity
\n Intent intent = new Intent(v.getContext(), ContactDetailActivity.class);
\n intent.putExtra("contact_id", contact.getId());
\n v.getContext().startActivity(intent);
\n }
\n});<\/p>\n
public class ContactDetailActivity extends AppCompatActivity {
\n @Override
\n protected void onCreate(Bundle savedInstanceState) {
\n super.onCreate(savedInstanceState);
\n setContentView(R.layout.activity_contact_detail);<\/p>\n
Contact contact = getContactFromIntent();
\n \/\/ \u4f7f\u7528contact\u7684\u4fe1\u606f\u66f4\u65b0UI
\n TextView contactNameView = findViewById(R.id.contact_detail_name);
\n TextView contactPhoneView = findViewById(R.id.contact_detail_phone);
\n \/\/ …
\n contactNameView.setText(contact.getName());
\n contactPhoneView.setText(contact.getPhoneNumber());
\n \/\/ …
\n }<\/p>\n
private Contact getContactFromIntent() {
\n int contactId = getIntent().getIntExtra("contact_id", -1);
\n \/\/ \u83b7\u53d6\u8054\u7cfb\u4eba\u4fe1\u606f，\u901a\u5e38\u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2
\n return mDatabase.findContactById(contactId);
\n }
\n}<\/p>\n
\u4ee3\u7801\u903b\u8f91\u5206\u6790： 1. ContactsAdapter \u4e2d\u4e3a\u6bcf\u4e2a\u8054\u7cfb\u4eba\u89c6\u56fe\u8bbe\u7f6e\u70b9\u51fb\u76d1\u542c\u5668，\u70b9\u51fb\u65f6\u4ece\u6570\u636e\u6e90\u4e2d\u83b7\u53d6\u8054\u7cfb\u4eba\u8be6\u60c5\u3002 2. \u4f7f\u7528Intent\u542f\u52a8 ContactDetailActivity ，\u4f20\u9012\u8054\u7cfb\u4eba\u7684ID\u3002 3. \u5728 ContactDetailActivity \u4e2d，\u6839\u636e\u4f20\u5165\u7684ID\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u8054\u7cfb\u4eba\u4fe1\u606f\u5e76\u66f4\u65b0\u754c\u9762\u3002 <\/p>\n
\u53c2\u6570\u8bf4\u660e： – contact_id ：\u4f20\u9012\u7ed9 ContactDetailActivity \u7684Intent\u4e2d\u7684\u8054\u7cfb\u4ebaID\u3002 <\/p>\n
\u6dfb\u52a0\u65b0\u8054\u7cfb\u4eba\u7684\u6d41\u7a0b\u901a\u5e38\u5305\u542b\u4ee5\u4e0b\u6b65\u9aa4： <\/p>\n
\u4ee5\u4e0b\u662f\u5177\u4f53\u7684\u5b9e\u73b0\u6d41\u7a0b： <\/p>\n
<FloatingActionButton
\n android:id="@+id\/fab_add_contact"
\n android:layout_width="wrap_content"
\n android:layout_height="wrap_content"
\n android:layout_gravity="end|bottom"
\n android:layout_margin="16dp"
\n android:src="@drawable\/ic_add_contact" \/><\/p>\n
FloatingActionButton fabAddContact = findViewById(R.id.fab_add_contact);
\nfabAddContact.setOnClickListener(new View.OnClickListener() {
\n @Override
\n public void onClick(View view) {
\n Intent intent = new Intent(ContactsActivity.this, AddContactActivity.class);
\n startActivityForResult(intent, REQUEST_ADD_CONTACT);
\n }
\n});<\/p>\n
<LinearLayout
\n android:layout_width="match_parent"
\n android:layout_height="wrap_content"
\n android:orientation="vertical"
\n android:padding="16dp"><\/p>\n
<EditText
\n android:id="@+id\/contact_name_input"
\n android:layout_width="match_parent"
\n android:layout_height="wrap_content"
\n android:hint="Enter name" \/><\/p>\n
<!– \u5176\u4ed6\u8f93\u5165\u9879，\u5982\u7535\u8bdd\u53f7\u7801\u3001\u90ae\u7bb1\u7b49 –><\/p>\n
<Button
\n android:id="@+id\/contact_save_button"
\n android:layout_width="wrap_content"
\n android:layout_height="wrap_content"
\n android:text="Save" \/>
\n<\/LinearLayout><\/p>\n
Button saveButton = findViewById(R.id.contact_save_button);
\nsaveButton.setOnClickListener(new View.OnClickListener() {
\n @Override
\n public void onClick(View v) {
\n String name = contactNameInput.getText().toString();
\n \/\/ \u8f93\u5165\u9a8c\u8bc1\u548c\u83b7\u53d6\u5176\u4ed6\u4fe1\u606f
\n \/\/ …
\n \/\/ \u4fdd\u5b58\u4fe1\u606f\u5230\u6570\u636e\u5e93
\n Contact contact = new Contact(name \/*, \u5176\u4ed6\u4fe1\u606f *\/);
\n mDatabase.insertContact(contact);
\n \/\/ \u8fd4\u56de\u4e3b\u754c\u9762
\n setResult(RESULT_OK);
\n finish();
\n }
\n});<\/p>\n
\u4ee3\u7801\u903b\u8f91\u5206\u6790： 1. \u4e3aFloatingActionButton\u6dfb\u52a0\u70b9\u51fb\u4e8b\u4ef6，\u542f\u52a8\u6dfb\u52a0\u65b0\u8054\u7cfb\u4eba\u7684Activity\u3002 2. \u5728 AddContactActivity \u4e2d\u521b\u5efa\u8868\u5355\u754c\u9762，\u7528\u4e8e\u8f93\u5165\u8054\u7cfb\u4eba\u4fe1\u606f\u3002 3. \u7528\u6237\u70b9\u51fb\u4fdd\u5b58\u6309\u94ae\u540e，\u83b7\u53d6\u8f93\u5165\u7684\u4fe1\u606f，\u8fdb\u884c\u9a8c\u8bc1，\u5e76\u5c06\u65b0\u8054\u7cfb\u4eba\u4fe1\u606f\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u3002 <\/p>\n
\u53c2\u6570\u8bf4\u660e： – REQUEST_ADD_CONTACT ：\u542f\u52a8 AddContactActivity \u65f6\u4f7f\u7528\u7684\u8bf7\u6c42\u7801\u3002 – RESULT_OK ：\u4fdd\u5b58\u8054\u7cfb\u4eba\u6210\u529f\u540e\u8fd4\u56de\u7684\u7ed3\u679c\u7801\u3002 <\/p>\n
\u5728\u5b9e\u73b0\u8054\u7cfb\u4eba\u7684\u4fee\u6539\u548c\u5220\u9664\u64cd\u4f5c\u65f6，\u6211\u4eec\u901a\u5e38\u4f1a\u7528\u5230\u957f\u6309\u76d1\u542c\u5668\u6765\u89e6\u53d1\u4e8b\u4ef6\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u6b65\u9aa4： <\/p>\n
holder.itemView.setOnLongClickListener(new View.OnLongClickListener() {
\n @Override
\n public boolean onLongClick(View v) {
\n int position = getAdapterPosition();
\n Contact contact = mContacts.get(position);
\n \/\/ \u5c55\u793a\u4e0a\u4e0b\u6587\u83dc\u5355\u6216\u5f39\u51fa\u5bf9\u8bdd\u6846
\n showDeleteContactConfirmation(contact);
\n return true;
\n }
\n});<\/p>\n
private void showDeleteContactConfirmation(Contact contact) {
\n AlertDialog.Builder builder = new AlertDialog.Builder(this);
\n builder.setTitle("Delete Contact");
\n builder.setMessage("Are you sure you want to delete this contact?");
\n builder.setPositiveButton("Delete", new DialogInterface.OnClickListener() {
\n @Override
\n public void onClick(DialogInterface dialogInterface, int i) {
\n deleteContact(contact);
\n }
\n });
\n builder.setNegativeButton("Cancel", null);
\n builder.show();
\n}<\/p>\n
private void deleteContact(Contact contact) {
\n mDatabase.deleteContact(contact);
\n \/\/ \u66f4\u65b0UI，\u4f8b\u5982\u5237\u65b0\u5217\u8868
\n notifyDataSetChanged();
\n}<\/p>\n
\u4ee3\u7801\u903b\u8f91\u5206\u6790： 1. \u5728\u8054\u7cfb\u4eba\u5217\u8868\u7684\u6bcf\u4e2a\u6761\u76ee\u4e0a\u8bbe\u7f6e\u957f\u6309\u76d1\u542c\u5668，\u957f\u6309\u540e\u5f39\u51fa\u786e\u8ba4\u5220\u9664\u7684\u5bf9\u8bdd\u6846\u3002 2. \u7528\u6237\u786e\u8ba4\u5220\u9664\u540e，\u8c03\u7528\u5220\u9664\u65b9\u6cd5，\u5e76\u4ece\u6570\u636e\u5e93\u5220\u9664\u8054\u7cfb\u4eba\u3002 3. \u66f4\u65b0UI，\u4ee5\u53cd\u6620\u5220\u9664\u64cd\u4f5c\u7684\u7ed3\u679c\u3002 <\/p>\n
\u53c2\u6570\u8bf4\u660e： – contact ：\u88ab\u5220\u9664\u7684\u8054\u7cfb\u4eba\u5bf9\u8c61\u3002 <\/p>\n
\u67e5\u8be2\u529f\u80fd\u662f\u8054\u7cfb\u4eba\u5e94\u7528\u4e2d\u975e\u5e38\u6838\u5fc3\u7684\u529f\u80fd，\u5b9e\u73b0\u548c\u4f18\u5316\u67e5\u8be2\u529f\u80fd\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762： <\/p>\n
\u5b9e\u73b0\u67e5\u8be2\u529f\u80fd\u7684\u6b65\u9aa4\u5982\u4e0b： <\/p>\n
<EditText
\n android:id="@+id\/search_contact"
\n android:layout_width="match_parent"
\n android:layout_height="wrap_content"
\n android:hint="Search contact" \/><\/p>\n
EditText searchContact = findViewById(R.id.search_contact);
\nsearchContact.addTextChangedListener(new TextWatcher() {
\n @Override
\n public void beforeTextChanged(CharSequence s, int start, int count, int after) {
\n }<\/p>\n
@Override
\n public void onTextChanged(CharSequence s, int start, int before, int count) {
\n }<\/p>\n
@Override
\n public void afterTextChanged(Editable s) {
\n String query = s.toString();
\n \/\/ \u4f7f\u7528query\u8fc7\u6ee4\u8054\u7cfb\u4eba\u5217\u8868
\n mContacts = filterContacts(mContacts, query);
\n \/\/ \u5237\u65b0RecyclerView
\n ((ContactsAdapter)mRecyclerView.getAdapter()).setContacts(mContacts);
\n }
\n});<\/p>\n
private List<Contact> filterContacts(List<Contact> contacts, String query) {
\n if (query.isEmpty()) {
\n return contacts;
\n }<\/p>\n
List<Contact> filteredList = new ArrayList<>();
\n for (Contact contact : contacts) {
\n if (contact.getName().toLowerCase().contains(query.toLowerCase())) {
\n filteredList.add(contact);
\n }
\n }
\n return filteredList;
\n}<\/p>\n
\u4ee3\u7801\u903b\u8f91\u5206\u6790： 1. \u5728\u8054\u7cfb\u4eba\u5217\u8868\u754c\u9762\u6dfb\u52a0\u641c\u7d22\u6846\u63a7\u4ef6，\u5e76\u8bbe\u7f6e\u76d1\u542c\u5668\u76d1\u542c\u6587\u672c\u53d8\u5316\u3002 2. \u6839\u636e\u8f93\u5165\u6846\u4e2d\u7684\u67e5\u8be2\u6587\u5b57，\u8fc7\u6ee4\u8054\u7cfb\u4eba\u6570\u636e\u3002 3. \u66f4\u65b0RecyclerView\u7684\u9002\u914d\u5668\u6570\u636e，\u5e76\u5237\u65b0\u5217\u8868\u3002 <\/p>\n
\u53c2\u6570\u8bf4\u660e： – query ：\u7528\u6237\u8f93\u5165\u7684\u67e5\u8be2\u5173\u952e\u5b57\u3002 – filterContacts ：\u8fc7\u6ee4\u8054\u7cfb\u4eba\u7684\u65b9\u6cd5，\u6839\u636e\u67e5\u8be2\u5173\u952e\u5b57\u8fd4\u56de\u8fc7\u6ee4\u540e\u7684\u7ed3\u679c\u96c6\u3002 <\/p>\n
\u67e5\u8be2\u529f\u80fd\u7684\u4f18\u5316\u901a\u5e38\u5305\u62ec\u4f7f\u7528\u7d22\u5f15\u3001\u5f02\u6b65\u52a0\u8f7d\u6570\u636e\u548c\u7f13\u5b58\u7b49\u6280\u672f\u3002\u8fd9\u901a\u5e38\u9700\u8981\u7ed3\u5408\u5177\u4f53\u7684\u6570\u636e\u5e93\u540e\u7aef\u548c\u5e94\u7528\u67b6\u6784\u8fdb\u884c\u7ec6\u81f4\u7684\u8bbe\u8ba1\u3002\u5728\u5b9e\u9645\u7684\u751f\u4ea7\u73af\u5883\u4e2d，\u53ef\u80fd\u4f1a\u4f7f\u7528\u4e00\u4e9b\u73b0\u6210\u7684\u6846\u67b6\u548c\u5e93\u6765\u5e2e\u52a9\u4f18\u5316\u67e5\u8be2\u6027\u80fd，\u4f8b\u5982\u4f7f\u7528SQLite\u7684\u89e6\u53d1\u5668\u6216\u7b2c\u4e09\u65b9\u5e93\u6765\u5b9e\u73b0\u5168\u6587\u641c\u7d22\u529f\u80fd\u3002 <\/p>\n
\u5728\u8bbe\u8ba1\u901a\u8baf\u5f55\u5e94\u7528\u65f6，\u4e3a\u4e86\u65b9\u4fbf\u7528\u6237\u7ba1\u7406\u5927\u91cf\u7684\u8054\u7cfb\u4eba\u4fe1\u606f，\u5f15\u5165\u5206\u7ec4\u7ba1\u7406\u529f\u80fd\u662f\u5341\u5206\u5fc5\u8981\u7684\u3002\u5206\u7ec4\u8bbe\u8ba1\u7406\u5ff5\u57fa\u4e8e\u4eba\u7c7b\u5bf9\u4fe1\u606f\u5904\u7406\u7684\u4e60\u60ef，\u5373\u901a\u8fc7\u5c06\u8054\u7cfb\u4eba\u6309\u7167\u67d0\u79cd\u903b\u8f91\u5206\u7ec4，\u5982\u6309\u59d3\u540d\u3001\u516c\u53f8\u3001\u89d2\u8272\u6216\u5176\u4ed6\u81ea\u5b9a\u4e49\u7684\u5206\u7c7b\u65b9\u5f0f，\u6765\u7b80\u5316\u4fe1\u606f\u68c0\u7d22\u548c\u7ba1\u7406\u3002 <\/p>\n
\u5728\u754c\u9762\u5e03\u5c40\u4e0a，\u53ef\u4ee5\u91c7\u7528\u6811\u72b6\u89c6\u56fe（Tree View），\u5de6\u4fa7\u4e3a\u5206\u7ec4\u7684\u5c42\u7ea7\u5217\u8868，\u53f3\u4fa7\u4e3a\u9009\u4e2d\u5206\u7ec4\u7684\u8054\u7cfb\u4eba\u5217\u8868\u3002\u8fd9\u79cd\u5e03\u5c40\u65b9\u5f0f\u4e0d\u4ec5\u53ef\u4ee5\u6e05\u6670\u5730\u5c55\u793a\u5206\u7ec4\u7ed3\u6784，\u4e5f\u65b9\u4fbf\u7528\u6237\u5feb\u901f\u8df3\u8f6c\u5230\u5404\u4e2a\u5206\u7ec4\u3002 <\/p>\n
\u5206\u7ec4\u4e0e\u8054\u7cfb\u4eba\u7684\u5173\u8054\u903b\u8f91\u662f\u901a\u8fc7\u5728\u8054\u7cfb\u4eba\u5b9e\u4f53\u4e2d\u589e\u52a0\u4e00\u4e2a\u6307\u5411\u5206\u7ec4\u7684\u5916\u952e\u5b9e\u73b0\u7684\u3002\u5728\u6570\u636e\u5e93\u5c42\u9762，\u4e00\u4e2a\u5206\u7ec4\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u8054\u7cfb\u4eba，\u800c\u4e00\u4e2a\u8054\u7cfb\u4eba\u53ef\u4ee5\u5c5e\u4e8e\u591a\u4e2a\u5206\u7ec4，\u8fd9\u5c31\u8981\u6c42\u6211\u4eec\u5728\u8bbe\u8ba1\u6570\u636e\u6a21\u578b\u65f6\u8003\u8651\u591a\u5bf9\u591a\u7684\u5173\u7cfb\u3002 <\/p>\n
\u5177\u4f53\u5b9e\u73b0\u65f6，\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u989d\u5916\u7684\u5173\u8054\u8868（\u4e5f\u79f0\u4e3a\u8fde\u63a5\u8868），\u8be5\u8868\u81f3\u5c11\u5305\u542b\u4e24\u4e2a\u5b57\u6bb5，\u4e00\u4e2a\u7528\u4e8e\u5f15\u7528\u5206\u7ec4ID，\u53e6\u4e00\u4e2a\u7528\u4e8e\u5f15\u7528\u8054\u7cfb\u4ebaID\u3002\u8fd9\u6837\u5f53\u9700\u8981\u68c0\u7d22\u67d0\u4e2a\u5206\u7ec4\u4e0b\u7684\u6240\u6709\u8054\u7cfb\u4eba\u65f6，\u5c31\u53ef\u4ee5\u901a\u8fc7\u5173\u8054\u8868\u4e2d\u7684\u5206\u7ec4ID\u8fdb\u884c\u67e5\u8be2\u3002 <\/p>\n
\u5206\u7ec4\u7684\u589e\u5220\u6539\u64cd\u4f5c\u662f\u7528\u6237\u5bf9\u901a\u8baf\u5f55\u8fdb\u884c\u4e2a\u6027\u5316\u7ba1\u7406\u7684\u5173\u952e\u90e8\u5206\u3002\u4f8b\u5982，\u7528\u6237\u53ef\u80fd\u5e0c\u671b\u521b\u5efa\u65b0\u7684\u5206\u7ec4\u4ee5\u5bb9\u7eb3\u65b0\u8054\u7cfb\u4eba，\u6216\u8005\u9700\u8981\u4fee\u6539\u73b0\u6709\u5206\u7ec4\u7684\u540d\u5b57\u4ee5\u66f4\u597d\u5730\u53cd\u6620\u8be5\u5206\u7ec4\u7684\u7279\u70b9，\u751a\u81f3\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b，\u7528\u6237\u53ef\u80fd\u9700\u8981\u5220\u9664\u4e0d\u518d\u9700\u8981\u7684\u5206\u7ec4\u3002 <\/p>\n
\u5728Android\u5e94\u7528\u4e2d，\u53ef\u4ee5\u901a\u8fc7\u63d0\u4f9b\u76f8\u5e94\u7684UI\u5143\u7d20\u6765\u5b9e\u73b0\u8fd9\u4e9b\u64cd\u4f5c\u3002\u4f8b\u5982，\u4e00\u4e2a\u6d6e\u52a8\u64cd\u4f5c\u6309\u94ae（Floating Action Button, FAB）\u53ef\u4ee5\u7528\u6765\u89e6\u53d1\u6dfb\u52a0\u65b0\u5206\u7ec4\u7684\u64cd\u4f5c\u3002\u800c\u5bf9\u4e8e\u5206\u7ec4\u7684\u4fee\u6539\u548c\u5220\u9664，\u53ef\u4ee5\u5728\u957f\u6309\u5206\u7ec4\u540d\u79f0\u65f6\u5f39\u51fa\u4e00\u4e2a\u9009\u9879\u83dc\u5355（Options Menu），\u8ba9\u7528\u6237\u9009\u62e9\u7f16\u8f91\u6216\u5220\u9664\u64cd\u4f5c\u3002\u5728\u540e\u53f0\u903b\u8f91\u4e2d，\u8fd9\u4e9b\u64cd\u4f5c\u5bf9\u5e94\u4e8e\u5bf9\u6570\u636e\u5e93\u4e2d\u7684\u5206\u7ec4\u8868\u548c\u5173\u8054\u8868\u7684\u66f4\u65b0\u3002 <\/p>\n
\u5728\u901a\u8baf\u5f55\u5e94\u7528\u4e2d，\u6570\u636e\u7ed3\u6784\u7684\u9009\u62e9\u76f4\u63a5\u5f71\u54cd\u5230\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002\u5e38\u7528\u7684\u51e0\u79cd\u6570\u636e\u7ed3\u6784\u5305\u62ec\u6570\u7ec4\u3001\u94fe\u8868\u3001\u6811\u3001\u56fe\u4ee5\u53ca\u54c8\u5e0c\u8868\u7b49\u3002\u9488\u5bf9\u4e0d\u540c\u5e94\u7528\u573a\u666f，\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u6700\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\u3002 <\/p>\n
\u4f8b\u5982，\u4e3a\u4e86\u5feb\u901f\u68c0\u7d22\u5206\u7ec4\u548c\u8054\u7cfb\u4eba，\u54c8\u5e0c\u8868\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u9009\u62e9，\u56e0\u4e3a\u5b83\u63d0\u4f9b\u4e86\u5e73\u5747\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\u7684\u67e5\u627e\u6027\u80fd\u3002\u800c\u5206\u7ec4\u7684\u5c42\u7ea7\u7ed3\u6784\u9002\u5408\u4f7f\u7528\u6811\u5f62\u6570\u636e\u7ed3\u6784，\u5982\u4e8c\u53c9\u6811\u6216\u8005\u66f4\u9002\u5408\u8868\u793a\u591a\u5c42\u5173\u7cfb\u7684N\u53c9\u6811\u3002 <\/p>\n
\u5728\u5b9e\u73b0\u5206\u7ec4\u529f\u80fd\u65f6，\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6811\u5f62\u7ed3\u6784\u6765\u7ba1\u7406\u5206\u7ec4，\u4ee5\u53ca\u4f7f\u7528\u54c8\u5e0c\u8868\u6765\u7ba1\u7406\u8054\u7cfb\u4eba\u3002\u5f53\u7528\u6237\u6dfb\u52a0\u65b0\u7684\u5206\u7ec4\u65f6，\u6211\u4eec\u9996\u5148\u5728\u6811\u4e2d\u521b\u5efa\u65b0\u7684\u8282\u70b9，\u7136\u540e\u5728\u54c8\u5e0c\u8868\u4e2d\u4e3a\u8fd9\u4e2a\u5206\u7ec4\u6dfb\u52a0\u5bf9\u5e94\u7684\u952e\u503c\u5bf9\u3002 <\/p>\n
\u5728\u5206\u7ec4\u7ba1\u7406\u7684\u5b9e\u8df5\u4e2d，\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0\u4e00\u4e2a Group \u7c7b\u6765\u8868\u793a\u5206\u7ec4，\u8be5\u7c7b\u5305\u542b\u5206\u7ec4\u7684\u5c5e\u6027，\u5982\u5206\u7ec4ID\u3001\u5206\u7ec4\u540d\u3001\u7236\u5206\u7ec4ID\u7b49\u3002\u540c\u65f6，\u6211\u4eec\u8fd8\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e2a Contact \u7c7b\u6765\u8868\u793a\u8054\u7cfb\u4eba，\u5176\u4e2d\u5305\u542b\u8054\u7cfb\u4eba\u7684\u57fa\u672c\u4fe1\u606f\u4ee5\u53ca\u6240\u5c5e\u5206\u7ec4\u7684\u5217\u8868\u3002 <\/p>\n
\u4e3a\u4e86\u7ba1\u7406\u8fd9\u4e9b\u5206\u7ec4，\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a GroupManager \u7c7b，\u8be5\u7c7b\u8d1f\u8d23\u5206\u7ec4\u7684\u589e\u5220\u6539\u67e5\u64cd\u4f5c\u3002\u5f53\u9700\u8981\u83b7\u53d6\u5206\u7ec4\u4e0b\u7684\u6240\u6709\u8054\u7cfb\u4eba\u65f6， GroupManager \u4f1a\u904d\u5386\u8be5\u5206\u7ec4\u4e0b\u7684\u6240\u6709\u5b50\u5206\u7ec4，\u5e76\u901a\u8fc7\u5173\u8054\u8868\u67e5\u8be2\u51fa\u6240\u6709\u8054\u7cfb\u4eba\u7684\u4fe1\u606f\u3002 <\/p>\n
class Group {
\n private int id;
\n private String groupName;
\n private List<Group> subGroups;
\n \/\/ \u6784\u9020\u5668\u3001getter\u548csetter\u7701\u7565
\n}<\/p>\n
class Contact {
\n private int id;
\n private String name;
\n private List<Group> groups;
\n \/\/ \u6784\u9020\u5668\u3001getter\u548csetter\u7701\u7565
\n}<\/p>\n
class GroupManager {
\n private Map<Integer, Group> groupMap;<\/p>\n
public GroupManager() {
\n groupMap = new HashMap<>();
\n }<\/p>\n
public void addGroup(Group group) {
\n \/\/ \u6dfb\u52a0\u5206\u7ec4\u903b\u8f91，\u5305\u62ec\u66f4\u65b0groupMap
\n }<\/p>\n
public void deleteGroup(int groupId) {
\n \/\/ \u5220\u9664\u5206\u7ec4\u903b\u8f91，\u5305\u62ec\u66f4\u65b0groupMap\u548c\u6570\u636e\u5e93
\n }<\/p>\n
public List<Contact> getContactsInGroup(int groupId) {
\n \/\/ \u8fd4\u56de\u5206\u7ec4\u4e2d\u6240\u6709\u8054\u7cfb\u4eba\u7684\u5217\u8868
\n }<\/p>\n
\/\/ \u5176\u4ed6\u7ba1\u7406\u5206\u7ec4\u7684\u65b9\u6cd5\u7701\u7565
\n}<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u6211\u4eec\u5b9a\u4e49\u4e86 Group \u548c Contact \u7c7b，\u5e76\u521b\u5efa\u4e86 GroupManager \u7c7b\u6765\u7ba1\u7406\u5206\u7ec4\u3002\u8fd9\u4e2a\u7ba1\u7406\u5668\u4f7f\u7528\u54c8\u5e0c\u8868\u6765\u5b58\u50a8\u5206\u7ec4\u4fe1\u606f，\u540c\u65f6\u63d0\u4f9b\u4e86\u589e\u5220\u6539\u67e5\u7684\u65b9\u6cd5\u3002\u8fd9\u4e9b\u65b9\u6cd5\u7684\u5177\u4f53\u5b9e\u73b0\u7ec6\u8282\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u903b\u8f91\u6765\u8bbe\u8ba1\u3002 <\/p>\n
\u63a5\u4e0b\u6765，\u6211\u4eec\u7528\u4e00\u4e2a\u6d41\u7a0b\u56fe\u6765\u8868\u793a\u5206\u7ec4\u7ba1\u7406\u7684\u64cd\u4f5c\u903b\u8f91： <\/p>\n
graph TD;
\n A[\u521b\u5efa\u5206\u7ec4] –> B[\u6dfb\u52a0\u5206\u7ec4\u5230groupMap];
\n B –> C[\u4fdd\u5b58\u5206\u7ec4\u5230\u6570\u636e\u5e93];
\n C –> D[\u6dfb\u52a0\u8054\u7cfb\u4eba\u5230\u5206\u7ec4];
\n D –> E[\u66f4\u65b0groupMap\u4e2d\u7684\u8054\u7cfb\u4eba\u5217\u8868];
\n E –> F[\u8fd4\u56de\u5206\u7ec4\u4fe1\u606f];<\/p>\n
G[\u5220\u9664\u5206\u7ec4] –> H[\u4ecegroupMap\u4e2d\u5220\u9664\u5206\u7ec4];
\n H –> I[\u4ece\u6570\u636e\u5e93\u4e2d\u5220\u9664\u5206\u7ec4];
\n I –> J[\u66f4\u65b0groupMap\u4e2d\u76f8\u5173\u8054\u7cfb\u4eba\u7684\u5206\u7ec4\u4fe1\u606f];
\n J –> K[\u8fd4\u56de\u64cd\u4f5c\u7ed3\u679c];<\/p>\n
L[\u83b7\u53d6\u5206\u7ec4\u4e0b\u7684\u6240\u6709\u8054\u7cfb\u4eba] –> M[\u904d\u5386groupMap\u4e2d\u7684\u5206\u7ec4];
\n M –> N[\u67e5\u8be2\u6570\u636e\u5e93\u83b7\u53d6\u8054\u7cfb\u4eba\u5217\u8868];
\n N –> O[\u8fd4\u56de\u8054\u7cfb\u4eba\u5217\u8868];<\/p>\n
\u8fd9\u4e2a\u6d41\u7a0b\u56fe\u5c55\u793a\u4e86\u5206\u7ec4\u7ba1\u7406\u7684\u57fa\u672c\u6d41\u7a0b，\u5305\u62ec\u521b\u5efa\u3001\u5220\u9664\u5206\u7ec4\u548c\u83b7\u53d6\u5206\u7ec4\u4e0b\u8054\u7cfb\u4eba\u7684\u64cd\u4f5c\u6d41\u7a0b\u3002\u901a\u8fc7\u8fd9\u6837\u6709\u6761\u7406\u7684\u6d41\u7a0b，\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u66f4\u597d\u5730\u7406\u89e3\u6574\u4e2a\u5206\u7ec4\u7ba1\u7406\u7684\u5b9e\u73b0\u8fc7\u7a0b\u3002 <\/p>\n
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\u4ece\u7528\u6237\u89d2\u5ea6\u51fa\u53d1，\u4e2a\u4eba\u4e2d\u5fc3\u7684\u754c\u9762\u5e94\u8be5\u7b80\u6d01\u660e\u4e86，\u529f\u80fd\u4e4b\u95f4\u7684\u5207\u6362\u6d41\u7545，\u907f\u514d\u8fc7\u4e8e\u590d\u6742\u7684\u64cd\u4f5c\u6d41\u7a0b\u3002\u6b64\u5916，\u8003\u8651\u5230\u7528\u6237\u9690\u79c1\u4fdd\u62a4，\u4e2a\u4eba\u4fe1\u606f\u7ba1\u7406\u754c\u9762\u9700\u8981\u6709\u660e\u663e\u7684\u5b89\u5168\u63d0\u793a\u548c\u64cd\u4f5c\u786e\u8ba4\u3002 <\/p>\n
\u5728\u754c\u9762\u8bbe\u8ba1\u4e0a，\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u539f\u5219\u6765\u4f18\u5316\u7528\u6237\u4f53\u9a8c： <\/p>\n
\u4e3a\u4e86\u8fdb\u4e00\u6b65\u63d0\u5347\u7528\u6237\u4f53\u9a8c，\u53ef\u4ee5\u8fdb\u884c\u7528\u6237\u6d4b\u8bd5，\u6536\u96c6\u53cd\u9988，\u5e76\u5728\u8fed\u4ee3\u4e2d\u4e0d\u65ad\u4f18\u5316\u754c\u9762\u8bbe\u8ba1\u3002 <\/p>\n
\u4e2a\u4eba\u4fe1\u606f\u7ba1\u7406\u754c\u9762\u901a\u5e38\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u8868\u5355，\u7528\u6237\u53ef\u4ee5\u5728\u6b64\u66f4\u65b0\u81ea\u5df1\u7684\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u8bbe\u8ba1\u4e2a\u4eba\u4fe1\u606f\u7ba1\u7406\u754c\u9762\u65f6\u53ef\u80fd\u7528\u5230\u7684\u4f2a\u4ee3\u7801\u793a\u4f8b： <\/p>\n
\/\/ \u5047\u8bbe\u4f7f\u7528Android\u539f\u751f\u5f00\u53d1，\u6d89\u53ca\u5230\u7684\u6570\u636e\u7ed3\u6784\u5982\u4e0b：
\nclass PersonalInfo {
\n String name;
\n String email;
\n String phoneNumber;
\n \/\/ …\u5176\u4ed6\u4fe1\u606f
\n}<\/p>\n
\/\/ \u66f4\u65b0\u4e2a\u4eba\u4fe1\u606f\u7684\u903b\u8f91
\nvoid updatePersonalInfo(PersonalInfo info) {
\n \/\/ \u9a8c\u8bc1\u8f93\u5165\u7684\u6570\u636e\u5408\u6cd5\u6027
\n boolean isValid = validateInput(info);
\n if (!isValid) {
\n \/\/ \u63d0\u793a\u7528\u6237\u8f93\u5165\u9519\u8bef\u5e76\u91cd\u65b0\u8f93\u5165
\n return;
\n }
\n \/\/ \u8c03\u7528API\u6216\u672c\u5730\u65b9\u6cd5\u66f4\u65b0\u6570\u636e
\n boolean isSuccess = api.updateUserInfo(info);
\n if (isSuccess) {
\n \/\/ \u66f4\u65b0\u6210\u529f，\u7ed9\u7528\u6237\u76f8\u5e94\u7684\u63d0\u793a
\n showSuccessMessage();
\n } else {
\n \/\/ \u66f4\u65b0\u5931\u8d25，\u63d0\u793a\u7528\u6237
\n showError();
\n }
\n}<\/p>\n
\/\/ \u6570\u636e\u9a8c\u8bc1\u51fd\u6570
\nboolean validateInput(PersonalInfo info) {
\n \/\/ \u5bf9info\u4e2d\u7684\u6bcf\u4e2a\u5b57\u6bb5\u8fdb\u884c\u9a8c\u8bc1
\n \/\/ …
\n return true; \/\/ \u5047\u8bbe\u9a8c\u8bc1\u901a\u8fc7
\n}<\/p>\n
\/\/ \u663e\u793a\u6210\u529f\u6d88\u606f
\nvoid showSuccessMessage() {
\n Toast.makeText(context, "\u4e2a\u4eba\u4fe1\u606f\u66f4\u65b0\u6210\u529f", Toast.LENGTH_SHORT).show();
\n}<\/p>\n
\/\/ \u663e\u793a\u9519\u8bef\u6d88\u606f
\nvoid showError() {
\n Toast.makeText(context, "\u4e2a\u4eba\u4fe1\u606f\u66f4\u65b0\u5931\u8d25", Toast.LENGTH_SHORT).show();
\n}<\/p>\n
\u4e2a\u4eba\u8bbe\u7f6e\u529f\u80fd\u5f80\u5f80\u9700\u8981\u4fdd\u5b58\u7528\u6237\u7684\u504f\u597d\u9009\u62e9，\u8fd9\u4e9b\u9009\u62e9\u53ef\u80fd\u5305\u62ec\u8bed\u8a00\u5207\u6362\u3001\u901a\u77e5\u5f00\u5173\u7b49\u3002\u5904\u7406\u8fd9\u4e9b\u504f\u597d\u8bbe\u7f6e\u65f6，\u53ef\u4ee5\u4f7f\u7528\u672c\u5730\u5b58\u50a8\u6216\u8fdc\u7a0b\u914d\u7f6e\u3002\u5728Android\u5f00\u53d1\u4e2d，\u901a\u5e38\u4f7f\u7528SharedPreferences\u8fdb\u884c\u672c\u5730\u5b58\u50a8，\u4ee5\u4e0b\u662f\u4f7f\u7528SharedPreferences\u4fdd\u5b58\u7528\u6237\u8bbe\u7f6e\u7684\u793a\u4f8b： <\/p>\n
\/\/ \u83b7\u53d6SharedPreferences\u5b9e\u4f8b
\nSharedPreferences sharedPreferences = getSharedPreferences("user_preferences", MODE_PRIVATE);<\/p>\n
\/\/ \u5b58\u50a8\u7528\u6237\u504f\u597d\u8bbe\u7f6e
\nSharedPreferences.Editor editor = sharedPreferences.edit();
\neditor.putString("language", "en");
\neditor.putBoolean("notifications", true);
\n\/\/ \u63d0\u4ea4\u66f4\u6539
\neditor.apply();<\/p>\n
\/\/ \u8bfb\u53d6\u7528\u6237\u504f\u597d\u8bbe\u7f6e
\nString language = sharedPreferences.getString("language", "default");
\nboolean notifications = sharedPreferences.getBoolean("notifications", false);<\/p>\n
\u8bbe\u8ba1\u4e2a\u4eba\u4e2d\u5fc3\u7684\u6570\u636e\u64cd\u4f5c\u65f6，\u91cd\u70b9\u662f\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u5b89\u5168\u6027，\u540c\u65f6\u63d0\u4f9b\u7b80\u6d01\u76f4\u89c2\u7684\u7528\u6237\u754c\u9762\u6765\u5b9e\u73b0\u8fd9\u4e9b\u64cd\u4f5c\u3002\u901a\u8fc7\u5b9e\u9645\u7684\u64cd\u4f5c\u6d41\u7a0b\u548c\u4ee3\u7801\u903b\u8f91，\u53ef\u4ee5\u66f4\u7ec6\u81f4\u5730\u6d1e\u5bdf\u5230\u4e2a\u4eba\u4e2d\u5fc3\u6a21\u5757\u8bbe\u8ba1\u7684\u590d\u6742\u6027\u548c\u5b9e\u7528\u6027\u3002 <\/p>\n
\u6570\u636e\u5907\u4efd\u4e0e\u6062\u590d\u662f\u4fdd\u969c\u7528\u6237\u6570\u636e\u5b89\u5168\u4e0e\u5e94\u7528\u7a33\u5b9a\u6027\u7684\u5173\u952e\u6280\u672f\u73af\u8282\u3002\u5728\u672c\u7ae0\u4e2d，\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u5728Android\u5e94\u7528\u5f00\u53d1\u4e2d，\u5982\u4f55\u5b9e\u73b0\u4e00\u4e2a\u9ad8\u6548\u3001\u53ef\u9760\u7684\u672c\u5730\u6570\u636e\u5907\u4efd\u4e0e\u6062\u590d\u673a\u5236\u3002\u6211\u4eec\u5c06\u4ece\u5907\u4efd\u7b56\u7565\u7684\u7406\u8bba\u57fa\u7840\u8bb2\u8d77，\u9010\u6b65\u6df1\u5165\u5230Android\u6570\u636e\u5907\u4efdAPI\u7684\u4f7f\u7528，\u4ee5\u53ca\u6570\u636e\u6062\u590d\u529f\u80fd\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u3002 <\/p>\n
\u5728\u6df1\u5165\u5230\u4ee3\u7801\u5b9e\u73b0\u4e4b\u524d，\u6211\u4eec\u9700\u8981\u7406\u89e3\u6570\u636e\u5907\u4efd\u7684\u7406\u8bba\u57fa\u7840\u3002\u6570\u636e\u5907\u4efd\u7684\u76ee\u7684\u5728\u4e8e\u9632\u6b62\u6570\u636e\u4e22\u5931，\u5b83\u5305\u542b\u5b8c\u6574\u7684\u6570\u636e\u5907\u4efd\u4e0e\u589e\u91cf\u5907\u4efd\u4e24\u79cd\u7c7b\u578b\u3002\u5b8c\u6574\u7684\u6570\u636e\u5907\u4efd\u6307\u7684\u662f\u5907\u4efd\u5e94\u7528\u4e2d\u7684\u6240\u6709\u6570\u636e，\u800c\u589e\u91cf\u5907\u4efd\u5219\u4ec5\u5907\u4efd\u81ea\u4e0a\u6b21\u5907\u4efd\u540e\u6709\u53d8\u5316\u7684\u6570\u636e\u90e8\u5206\u3002 <\/p>\n
\u5907\u4efd\u673a\u5236\u7684\u8bbe\u8ba1\u9700\u8981\u8003\u8651\u5230\u6570\u636e\u7684\u5b8c\u6574\u6027\u3001\u5907\u4efd\u7684\u9891\u7387\u4ee5\u53ca\u5907\u4efd\u6587\u4ef6\u7684\u5b58\u50a8\u4f4d\u7f6e\u7b49\u591a\u4e2a\u56e0\u7d20\u3002\u4f8b\u5982，\u5bf9\u4e8e\u901a\u8baf\u5f55\u5e94\u7528，\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u7528\u6237\u6570\u636e\u66f4\u65b0\u7684\u9891\u7387\u6765\u786e\u5b9a\u662f\u91c7\u7528\u5b8c\u6574\u5907\u4efd\u8fd8\u662f\u589e\u91cf\u5907\u4efd\u3002\u5982\u679c\u7528\u6237\u7ecf\u5e38\u6dfb\u52a0\u6216\u4fee\u6539\u8054\u7cfb\u4eba\u4fe1\u606f，\u90a3\u4e48\u589e\u91cf\u5907\u4efd\u66f4\u9002\u5408\u4ee5\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\u3002 <\/p>\n
\u5728Android\u5e73\u53f0\u4e0a，\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Android\u5907\u4efd\u670d\u52a1（Backup Service）\u6765\u5b9e\u73b0\u6570\u636e\u5907\u4efd\u3002\u8be5\u670d\u52a1\u5229\u7528BackupAgent\u7c7b\u6765\u5b9a\u4e49\u5907\u4efd\u7684\u884c\u4e3a\u3002\u6211\u4eec\u521b\u5efa\u4e00\u4e2aBackupAgent\u7684\u5b50\u7c7b，\u5e76\u5728onBackup()\u548conRestore()\u65b9\u6cd5\u4e2d\u7f16\u5199\u5907\u4efd\u548c\u6062\u590d\u903b\u8f91\u3002 <\/p>\n
public class ContactBackupAgent extends BackupAgentHelper {<\/p>\n
@Override
\n public void onBackup(…) {
\n \/\/ \u5907\u4efd\u903b\u8f91，\u5c06\u8054\u7cfb\u4eba\u6570\u636e\u5907\u4efd\u5230\u5907\u4efd\u5b58\u50a8\u4f4d\u7f6e
\n }<\/p>\n
@Override
\n public void onRestore(…) {
\n \/\/ \u6062\u590d\u903b\u8f91，\u4ece\u5907\u4efd\u5b58\u50a8\u4f4d\u7f6e\u6062\u590d\u8054\u7cfb\u4eba\u6570\u636e
\n }
\n}<\/p>\n
BackupService\u901a\u8fc7Android\u5907\u4efd\u6846\u67b6\u4e0e\u5907\u4efd\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7BackupManager\u7c7b\u6765\u89e6\u53d1\u5907\u4efd\u64cd\u4f5c\u3002\u91cd\u8981\u7684\u662f，\u5907\u4efd\u6570\u636e\u5e94\u5f53\u52a0\u5bc6\u5b58\u50a8，\u4ee5\u9632\u6570\u636e\u6cc4\u9732\u3002 <\/p>\n
BackupManager backupManager = new BackupManager(this);
\nbackupManager.dataChanged();<\/p>\n
\u5728\u8bbe\u8ba1\u6570\u636e\u6062\u590d\u673a\u5236\u65f6，\u9996\u5148\u9700\u8981\u8003\u8651\u7684\u662f\u7528\u6237\u5728\u4ec0\u4e48\u573a\u666f\u4e0b\u9700\u8981\u6062\u590d\u6570\u636e\u3002\u5e38\u89c1\u7684\u573a\u666f\u5305\u62ec\u5e94\u7528\u9996\u6b21\u5b89\u88c5\u3001\u6570\u636e\u4e22\u5931\u6216\u662f\u7cfb\u7edf\u6062\u590d\u540e\u3002\u6839\u636e\u4e0d\u540c\u7684\u6062\u590d\u573a\u666f，\u6211\u4eec\u53ef\u4ee5\u8bbe\u8ba1\u4e0d\u540c\u7684\u6062\u590d\u6d41\u7a0b\u3002 <\/p>\n
\u5bf9\u4e8e\u901a\u8baf\u5f55\u5e94\u7528，\u6062\u590d\u673a\u5236\u5e94\u5f53\u80fd\u591f\u5904\u7406\u4ece\u5907\u4efd\u6587\u4ef6\u4e2d\u63d0\u53d6\u6570\u636e，\u5e76\u5c06\u6570\u636e\u6062\u590d\u5230\u5e94\u7528\u7684\u6570\u636e\u5e93\u4e2d\u3002\u5982\u679c\u5907\u4efd\u6570\u636e\u662f\u6700\u65b0\u7684，\u5e94\u4f18\u5148\u4f7f\u7528\u589e\u91cf\u5907\u4efd\u6062\u590d\u6570\u636e，\u4ee5\u6700\u5c0f\u5316\u6570\u636e\u4e22\u5931\u3002 <\/p>\n
\u63a5\u4e0b\u6765，\u8ba9\u6211\u4eec\u5177\u4f53\u770b\u770b\u5982\u4f55\u5b9e\u73b0\u6570\u636e\u6062\u590d\u529f\u80fd\u3002\u9996\u5148，\u6211\u4eec\u9700\u8981\u4ece\u5907\u4efd\u5b58\u50a8\u4f4d\u7f6e\u83b7\u53d6\u5907\u4efd\u6570\u636e，\u7136\u540e\u89e3\u6790\u8fd9\u4e9b\u6570\u636e，\u5e76\u5c06\u5176\u63d2\u5165\u5230\u6570\u636e\u5e93\u4e2d\u3002\u6570\u636e\u6062\u590d\u8fc7\u7a0b\u4e2d，\u7279\u522b\u9700\u8981\u6ce8\u610f\u5904\u7406\u6570\u636e\u51b2\u7a81\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002 <\/p>\n
private void restoreData(BackupDataInput dataInput) {
\n \/\/ \u4ece\u5907\u4efd\u8f93\u5165\u6d41\u4e2d\u8bfb\u53d6\u6570\u636e，\u89e3\u6790\u5907\u4efd\u5305，\u5e76\u5c06\u6570\u636e\u5199\u5165\u5230\u672c\u5730\u6570\u636e\u5e93
\n \/\/ \u5904\u7406\u6570\u636e\u51b2\u7a81\u548c\u6570\u636e\u4e00\u81f4\u6027\u95ee\u9898
\n}<\/p>\n
\u6570\u636e\u6062\u590d\u5b8c\u6210\u540e，\u8fd8\u9700\u8981\u901a\u77e5\u7528\u6237\u6570\u636e\u5df2\u7ecf\u6210\u529f\u6062\u590d\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u662f\u901a\u8fc7UI\u754c\u9762\u66f4\u65b0\u63d0\u793a，\u6216\u8005\u662f\u5176\u4ed6\u5f62\u5f0f\u7684\u7528\u6237\u901a\u77e5\u3002 <\/p>\n
\/\/ \u793a\u4f8b\u4ee3\u7801，\u901a\u77e5\u7528\u6237\u6570\u636e\u5df2\u6062\u590d
\nprivate void notifyDataRestored() {
\n \/\/ \u5b9e\u73b0\u5177\u4f53\u7684\u7528\u6237\u901a\u77e5\u903b\u8f91，\u5982\u5f39\u7a97\u6216\u63d0\u793a\u4fe1\u606f
\n}<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4，\u6211\u4eec\u6784\u5efa\u4e86\u4e00\u4e2a\u57fa\u672c\u7684\u672c\u5730\u6570\u636e\u5907\u4efd\u4e0e\u6062\u590d\u673a\u5236\u3002\u5f53\u7136，\u8fd9\u53ea\u662f\u4e00\u4e2a\u7b80\u5316\u7248\u672c\u7684\u5b9e\u73b0\u3002\u5728\u5b9e\u9645\u5e94\u7528\u5f00\u53d1\u4e2d，\u8fd8\u9700\u8981\u8003\u8651\u5230\u5f02\u5e38\u5904\u7406\u3001\u5907\u4efd\u4e0e\u6062\u590d\u7684\u6027\u80fd\u4f18\u5316\u4ee5\u53ca\u7528\u6237\u9690\u79c1\u4fdd\u62a4\u7b49\u591a\u65b9\u9762\u7684\u95ee\u9898\u3002 <\/p>\n
\u968f\u7740\u79fb\u52a8\u8bbe\u5907\u7684\u666e\u53ca，\u7528\u6237\u6570\u636e\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002\u4e91\u5907\u4efd\u548c\u540c\u6b65\u673a\u5236\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u8fdc\u7a0b\u5907\u4efd\u6570\u636e\u7684\u89e3\u51b3\u65b9\u6848，\u5e76\u80fd\u591f\u5728\u4e0d\u540c\u8bbe\u5907\u95f4\u4fdd\u6301\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002\u672c\u7ae0\u8282\u5c06\u4ece\u4e91\u5907\u4efd\u7684\u57fa\u672c\u6982\u5ff5\u4e0e\u6280\u672f\u8bb2\u8d77，\u6df1\u5165\u63a2\u8ba8\u540c\u6b65\u673a\u5236\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u3002 <\/p>\n
\u4e91\u5907\u4efd\u662f\u4e00\u79cd\u901a\u8fc7\u7f51\u7edc\u5c06\u91cd\u8981\u6570\u636e\u81ea\u52a8\u5907\u4efd\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\u7684\u670d\u52a1，\u5b83\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u6570\u636e\u5b89\u5168\u7684\u4fdd\u969c\u3002\u7531\u4e8e\u79fb\u52a8\u8bbe\u5907\u5982\u624b\u673a\u3001\u5e73\u677f\u5bb9\u6613\u9057\u5931\u3001\u635f\u574f，\u6216\u8005\u53d7\u5230\u75c5\u6bd2\u653b\u51fb\u3001\u7cfb\u7edf\u6545\u969c\u7b49\u56e0\u7d20\u7684\u5f71\u54cd，\u672c\u5730\u6570\u636e\u5f88\u5bb9\u6613\u4e22\u5931\u3002\u901a\u8fc7\u4e91\u5907\u4efd，\u7528\u6237\u53ef\u4ee5\u8f7b\u677e\u5730\u5728\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u540c\u6b65\u6570\u636e，\u751a\u81f3\u5728\u4e22\u5931\u8bbe\u5907\u7684\u60c5\u51b5\u4e0b\u4e5f\u80fd\u6062\u590d\u6570\u636e\u3002 <\/p>\n
\u642d\u5efa\u4e91\u5907\u4efd\u670d\u52a1\u9996\u5148\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u4e91\u670d\u52a1\u63d0\u4f9b\u5546\u3002\u5e02\u9762\u4e0a\u7684\u4e91\u670d\u52a1\u63d0\u4f9b\u5546\u4f17\u591a，\u5982Google Cloud\u3001Amazon AWS\u3001Microsoft Azure\u7b49，\u5b83\u4eec\u90fd\u63d0\u4f9b\u4e86\u4e0d\u540c\u7ea7\u522b\u7684\u4e91\u5907\u4efd\u670d\u52a1\u3002\u5f00\u53d1\u8005\u9700\u8981\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u4ee5\u53ca\u9884\u7b97\u9009\u62e9\u5408\u9002\u7684\u4e91\u670d\u52a1\u3002 <\/p>\n
\u5728\u642d\u5efa\u4e91\u5907\u4efd\u670d\u52a1\u7684\u8fc7\u7a0b\u4e2d，\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u70b9： <\/p>\n
import com.amazonaws.services.s3.AmazonS3;
\nimport com.amazonaws.services.s3.AmazonS3ClientBuilder;
\nimport com.amazonaws.services.s3.model.PutObjectRequest;
\nimport com.amazonaws.util.IOUtils;<\/p>\n
import java.io.File;
\nimport java.io.FileInputStream;
\nimport java.io.FileOutputStream;
\nimport java.io.InputStream;<\/p>\n
public void uploadFileToS3(String accessKey, String secretKey, String bucketName, String keyName, String filePath) {
\n \/\/ \u521b\u5efaS3\u5ba2\u6237\u7aef
\n AmazonS3 s3Client = AmazonS3ClientBuilder.standard()
\n .withCredentials(new AWSStaticCredentialsProvider(new BasicAWSCredentials(accessKey, secretKey)))
\n .withRegion(Regions.US_EAST_1).build();<\/p>\n
File file = new File(filePath);<\/p>\n
try (InputStream input = new FileInputStream(file)) {
\n \/\/ \u521b\u5efa\u4e0a\u4f20\u8bf7\u6c42
\n PutObjectRequest putRequest = PutObjectRequest.builder()
\n .bucket(bucketName)
\n .key(keyName)
\n .contentType("binary\/octet-stream")
\n .build();<\/p>\n
\/\/ \u6267\u884c\u4e0a\u4f20\u64cd\u4f5c
\n s3Client.putObject(putRequest, input);
\n System.out.println("\u4e0a\u4f20\u6210\u529f");
\n } catch (Exception e) {
\n e.printStackTrace();
\n }
\n}<\/p>\n
\u4ee3\u7801\u9996\u5148\u6784\u5efa\u4e00\u4e2a AWS S3 \u5ba2\u6237\u7aef，\u5e76\u914d\u7f6e\u4e86\u8bbf\u95ee\u5bc6\u94a5\u548c\u533a\u57df\u4fe1\u606f\u3002\u7136\u540e\u901a\u8fc7\u8bfb\u53d6\u672c\u5730\u6587\u4ef6\u7684\u8f93\u5165\u6d41，\u4f7f\u7528 PutObjectRequest \u521b\u5efa\u4e0a\u4f20\u8bf7\u6c42，\u5e76\u901a\u8fc7 s3Client.putObject() \u65b9\u6cd5\u5b9e\u73b0\u6587\u4ef6\u7684\u4e0a\u4f20\u3002\u8fd9\u4e2a\u65b9\u6cd5\u4f1a\u5c06\u6587\u4ef6\u5b58\u50a8\u5230\u6307\u5b9a\u7684S3\u5b58\u50a8\u6876\u4e2d\u3002 <\/p>\n
\u6570\u636e\u540c\u6b65\u662f\u786e\u4fdd\u4e0d\u540c\u8bbe\u5907\u4e0a\u6570\u636e\u4e00\u81f4\u6027\u7684\u91cd\u8981\u624b\u6bb5\u3002\u8bbe\u8ba1\u4e00\u4e2a\u9ad8\u6548\u7684\u6570\u636e\u540c\u6b65\u7b56\u7565，\u5fc5\u987b\u8003\u8651\u5230\u4ee5\u4e0b\u51e0\u4e2a\u56e0\u7d20： <\/p>\n
\u5728\u5b9e\u73b0\u6570\u636e\u540c\u6b65\u673a\u5236\u65f6，\u53ef\u4ee5\u4f7f\u7528\u8bf8\u5982WebSocket\u6216\u8005REST API\u7b49\u65b9\u5f0f\u3002\u4ee5WebSocket\u4e3a\u4f8b，\u5b83\u5141\u8bb8\u670d\u52a1\u5668\u4e3b\u52a8\u5411\u5ba2\u6237\u7aef\u63a8\u9001\u6570\u636e，\u8fd9\u4e3a\u5b9e\u65f6\u540c\u6b65\u63d0\u4f9b\u4e86\u4fbf\u5229\u3002 <\/p>\n
WebSocket\u534f\u8bae\u4e3a\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u5168\u53cc\u5de5\u901a\u4fe1\u63d0\u4f9b\u4e86\u4e00\u79cd\u534f\u8bae\u3002\u901a\u8fc7WebSocket，\u670d\u52a1\u5668\u53ef\u4ee5\u968f\u65f6\u5c06\u6570\u636e\u53d8\u66f4\u63a8\u9001\u7ed9\u8fde\u63a5\u7684\u5ba2\u6237\u7aef，\u4ece\u800c\u5b9e\u73b0\u6570\u636e\u7684\u5b9e\u65f6\u540c\u6b65\u3002 <\/p>\n
var ws = new WebSocket("wss:\/\/example.com\/ws");<\/p>\n
ws.onopen = function () {
\n console.log("\u8fde\u63a5\u5230 WebSocket \u670d\u52a1\u5668\u6210\u529f");
\n};<\/p>\n
ws.onmessage = function (evt) {
\n var received_msg = evt.data;
\n console.log("\u6765\u81ea\u670d\u52a1\u5668\u7684\u6d88\u606f: " + received_msg);
\n \/\/ \u63a5\u6536\u5230\u670d\u52a1\u5668\u6570\u636e\u540e\u66f4\u65b0\u5ba2\u6237\u7aef
\n updateClientUI(received_msg);
\n};<\/p>\n
function updateClientUI(data) {
\n \/\/ \u5b9e\u73b0UI\u7684\u66f4\u65b0\u903b\u8f91
\n var clientData = JSON.parse(data);
\n \/\/ \u66f4\u65b0UI\u64cd\u4f5c
\n}<\/p>\n
ws.onclose = function () {
\n console.log("\u8fde\u63a5WebSocket\u670d\u52a1\u5668\u5931\u8d25，\u6b63\u5728\u91cd\u8fde");
\n \/\/ \u65ad\u5f00\u8fde\u63a5\u540e\u5c1d\u8bd5\u91cd\u65b0\u8fde\u63a5
\n setTimeout(function () {
\n ws = new WebSocket("wss:\/\/example.com\/ws");
\n }, 1000);
\n};<\/p>\n
ws.onerror = function (error) {
\n console.log("WebSocket \u53d1\u751f\u9519\u8bef");
\n};<\/p>\n
\u672c\u793a\u4f8b\u4ee3\u7801\u5efa\u7acb\u4e86\u4e00\u4e2aWebSocket\u8fde\u63a5，\u5e76\u5b9a\u4e49\u4e86\u8fde\u63a5\u5efa\u7acb\u6210\u529f（ onopen ）\u3001\u63a5\u6536\u5230\u670d\u52a1\u5668\u6d88\u606f（ onmessage ）\u3001\u8fde\u63a5\u5173\u95ed（ onclose ）\u4ee5\u53ca\u9519\u8bef（ onerror ）\u65f6\u7684\u56de\u8c03\u51fd\u6570\u3002 onmessage \u56de\u8c03\u51fd\u6570\u7528\u4e8e\u5904\u7406\u4ece\u670d\u52a1\u5668\u63a5\u6536\u5230\u7684\u5b9e\u65f6\u6570\u636e，\u5e76\u901a\u8fc7 updateClientUI \u51fd\u6570\u66f4\u65b0\u5ba2\u6237\u7aef\u7684UI\u3002\u8fd9\u6837\u786e\u4fdd\u4e86\u5f53\u670d\u52a1\u5668\u6709\u6570\u636e\u53d8\u66f4\u65f6，\u5ba2\u6237\u7aef\u80fd\u591f\u5b9e\u65f6\u54cd\u5e94，\u5e76\u540c\u6b65\u6570\u636e\u3002 <\/p>\n
\u7efc\u4e0a\u6240\u8ff0，\u4e91\u5907\u4efd\u4e0e\u540c\u6b65\u673a\u5236\u5728\u79fb\u52a8\u5e94\u7528\u4e2d\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u4e0d\u4ec5\u9700\u8981\u8003\u8651\u6280\u672f\u5c42\u9762\u7684\u5b9e\u73b0，\u8fd8\u8981\u8003\u8651\u7528\u6237\u4f53\u9a8c\u548c\u6570\u636e\u5b89\u5168\u3002\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55，\u65b0\u7684\u540c\u6b65\u6280\u672f\u548c\u670d\u52a1\u4e5f\u5c06\u4e0d\u65ad\u6d8c\u73b0，\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u66f4\u591a\u7684\u9009\u62e9\u3002 <\/p>\n
\u5728\u6784\u5efa\u4e00\u4e2a\u9ad8\u6548\u7684\u901a\u8baf\u5f55\u670d\u52a1\u5668\u7aef\u65f6，\u67b6\u6784\u8bbe\u8ba1\u662f\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u7684\u8bdd\u9898\u3002\u670d\u52a1\u5668\u7aef\u7684\u67b6\u6784\u4e0d\u4ec5\u8981\u80fd\u591f\u5904\u7406\u9ad8\u5e76\u53d1\u8bf7\u6c42，\u8fd8\u9700\u8981\u786e\u4fdd\u6570\u636e\u7684\u5b89\u5168\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u8981\u5b9e\u73b0\u8fd9\u4e9b\u76ee\u6807，\u670d\u52a1\u5668\u7aef\u7684\u9009\u578b\u548c\u642d\u5efa\u662f\u975e\u5e38\u91cd\u8981\u7684\u7b2c\u4e00\u6b65\u3002 <\/p>\n
\u9009\u62e9\u5408\u9002\u7684\u670d\u52a1\u5668\u786c\u4ef6\u548c\u64cd\u4f5c\u7cfb\u7edf\u662f\u57fa\u7840\u3002\u4f8b\u5982，\u4f7f\u7528\u652f\u6301\u8d1f\u8f7d\u5747\u8861\u7684\u591a\u670d\u52a1\u5668\u96c6\u7fa4，\u53ef\u4ee5\u6709\u6548\u5206\u6563\u8bf7\u6c42\u538b\u529b\u3002\u6b64\u5916，\u6839\u636e\u4e1a\u52a1\u9700\u6c42，\u9009\u62e9\u9ad8\u6027\u80fd\u7684CPU\u3001\u5927\u5bb9\u91cf\u7684RAM\u548c\u5feb\u901f\u7684\u5b58\u50a8\u8bbe\u5907\u662f\u5fc5\u8981\u7684\u3002\u5bf9\u4e8e\u64cd\u4f5c\u7cfb\u7edf，Linux\u4ee5\u5176\u5f00\u6e90\u548c\u7a33\u5b9a\u6027\u7684\u7279\u70b9，\u6210\u4e3a\u4f17\u591a\u5f00\u53d1\u8005\u7684\u9996\u9009\u3002 <\/p>\n
\u642d\u5efa\u670d\u52a1\u5668\u7684\u4e00\u4e2a\u91cd\u8981\u65b9\u9762\u662f\u7f51\u7edc\u67b6\u6784\u7684\u8bbe\u8ba1，\u5305\u62ec\u5982\u4f55\u5206\u914dIP\u5730\u5740，\u5982\u4f55\u8bbe\u7f6e\u8def\u7531\u5668\u548c\u9632\u706b\u5899\u89c4\u5219\u6765\u4fdd\u8bc1\u7f51\u7edc\u7684\u5b89\u5168\u548c\u7a33\u5b9a\u3002 <\/p>\n
graph TD
\n A[\u5f00\u59cb] –> B[\u9009\u62e9\u670d\u52a1\u5668\u786c\u4ef6]
\n B –> C[\u5b89\u88c5\u64cd\u4f5c\u7cfb\u7edf]
\n C –> D[\u914d\u7f6e\u7f51\u7edc\u67b6\u6784]
\n D –> E[\u8bbe\u7f6e\u8d1f\u8f7d\u5747\u8861]
\n E –> F[\u5b89\u88c5\u548c\u914d\u7f6e\u6570\u636e\u5e93]
\n F –> G[\u90e8\u7f72\u5e94\u7528\u670d\u52a1]
\n G –> H[\u5b9e\u65bd\u5b89\u5168\u63aa\u65bd]
\n H –> I[\u6d4b\u8bd5\u548c\u4f18\u5316]<\/p>\n
\u901a\u8baf\u5f55\u670d\u52a1\u5668\u67b6\u6784\u8bbe\u8ba1\u9700\u8981\u8003\u8651\u6269\u5c55\u6027\u3001\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002\u4e00\u4e2a\u5178\u578b\u7684\u67b6\u6784\u53ef\u80fd\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u5c42\u6b21：\u524d\u7aef\u670d\u52a1\u5668（\u5982Web\u670d\u52a1\u5668\u548c\u5e94\u7528\u670d\u52a1\u5668）\u3001\u4e2d\u95f4\u4ef6（\u5982\u6d88\u606f\u961f\u5217\u548c\u7f13\u5b58\u7cfb\u7edf），\u4ee5\u53ca\u540e\u7aef\u6570\u636e\u5e93\u3002 <\/p>\n
\u6570\u636e\u5e93\u7684\u9009\u62e9\u5bf9\u4e8e\u901a\u8baf\u5f55\u670d\u52a1\u5668\u6765\u8bf4\u5c24\u4e3a\u91cd\u8981，\u56e0\u4e3a\u5b83\u9700\u8981\u652f\u6301\u5feb\u901f\u7684\u6570\u636e\u8bfb\u5199\u548c\u9ad8\u6548\u7684\u67e5\u8be2\u3002\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5982MySQL\u6216PostgreSQL\u5e38\u5e38\u88ab\u7528\u4e8e\u5b58\u50a8\u7528\u6237\u6570\u636e，\u800cNoSQL\u6570\u636e\u5e93\u5982Redis\u5219\u53ef\u7528\u4f5c\u7f13\u5b58\u5c42\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002 <\/p>\n
\u670d\u52a1\u5668\u7aefAPI\u7684\u5f00\u53d1\u662f\u5ba2\u6237\u7aef\u5e94\u7528\u4e0e\u670d\u52a1\u5668\u4ea4\u4e92\u7684\u5173\u952e\u3002RESTful API\u7531\u4e8e\u5176\u7b80\u5355\u6027\u3001\u53ef\u8bfb\u6027\u548c\u6269\u5c55\u6027，\u5df2\u6210\u4e3a\u5f00\u53d1Web API\u7684\u4e3b\u6d41\u9009\u62e9\u3002\u8bbe\u8ba1RESTful API\u9700\u8981\u9075\u5faaREST\u67b6\u6784\u98ce\u683c\u7684\u4e00\u4e9b\u539f\u5219，\u5982\u65e0\u72b6\u6001\u901a\u4fe1\u3001\u7edf\u4e00\u63a5\u53e3\u3001\u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u5206\u79bb\u7b49\u3002 <\/p>\n
RESTful API\u8bbe\u8ba1\u7684\u9996\u8981\u539f\u5219\u662f\u8d44\u6e90\u7684\u8868\u793a\u3002\u6bcf\u4e2a\u8d44\u6e90\u90fd\u5e94\u6709\u4e00\u4e2a\u552f\u4e00\u7684URI（\u7edf\u4e00\u8d44\u6e90\u6807\u8bc6\u7b26），\u5e76\u901a\u8fc7\u6807\u51c6\u7684HTTP\u65b9\u6cd5\u8fdb\u884c\u8bbf\u95ee\u548c\u64cd\u4f5c，\u4f8b\u5982GET\u7528\u4e8e\u83b7\u53d6\u8d44\u6e90，POST\u7528\u4e8e\u521b\u5efa\u8d44\u6e90，PUT\u7528\u4e8e\u66f4\u65b0\u8d44\u6e90，DELETE\u7528\u4e8e\u5220\u9664\u8d44\u6e90\u3002 <\/p>\n
API\u8bbe\u8ba1\u8fd8\u5e94\u4fdd\u6301\u7b80\u6d01\u548c\u4e00\u81f4\u6027，\u4f8b\u5982，\u8d44\u6e90\u7684\u547d\u540d\u5e94\u8be5\u4f7f\u7528\u540d\u8bcd，\u800c\u64cd\u4f5c\u5219\u4f7f\u7528\u52a8\u8bcd\u3002 <\/p>\n
\/\/ \u4f8b\u5982，\u83b7\u53d6\u8054\u7cfb\u4eba\u5217\u8868\u7684API\u8bbe\u8ba1
\nGET \/contacts<\/p>\n
\u4e3a\u4e86\u5b9e\u73b0\u7528\u6237\u6570\u636e\u7684\u589e\u5220\u6539\u67e5，\u9700\u8981\u521b\u5efa\u4e00\u7ec4RESTful API\u3002\u6bcf\u4e2aAPI\u90fd\u5e94\u8be5\u5904\u7406\u7279\u5b9a\u7684HTTP\u8bf7\u6c42，\u5e76\u6267\u884c\u76f8\u5e94\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u3002 <\/p>\n
graph TD
\n A[\u5f00\u59cb] –> B[\u63a5\u6536GET\u8bf7\u6c42]
\n B –> C[\u89e3\u6790\u67e5\u8be2\u53c2\u6570]
\n C –> D[\u67e5\u8be2\u6570\u636e\u5e93]
\n D –> E[\u8fd4\u56de\u8054\u7cfb\u4eba\u5217\u8868]<\/p>\n
graph TD
\n A[\u5f00\u59cb] –> B[\u63a5\u6536POST\u8bf7\u6c42]
\n B –> C[\u89e3\u6790\u8bf7\u6c42\u4f53\u6570\u636e]
\n C –> D[\u521b\u5efa\u8054\u7cfb\u4eba\u8bb0\u5f55]
\n D –> E[\u4fdd\u5b58\u81f3\u6570\u636e\u5e93]
\n E –> F[\u8fd4\u56de\u6210\u529f\u54cd\u5e94]<\/p>\n
graph TD
\n A[\u5f00\u59cb] –> B[\u63a5\u6536PUT\u8bf7\u6c42]
\n B –> C[\u89e3\u6790\u8bf7\u6c42\u4f53\u6570\u636e]
\n C –> D[\u67e5\u8be2\u5bf9\u5e94\u8054\u7cfb\u4eba]
\n D –> E[\u66f4\u65b0\u8054\u7cfb\u4eba\u4fe1\u606f]
\n E –> F[\u4fdd\u5b58\u81f3\u6570\u636e\u5e93]
\n F –> G[\u8fd4\u56de\u6210\u529f\u54cd\u5e94]<\/p>\n
graph TD
\n A[\u5f00\u59cb] –> B[\u63a5\u6536DELETE\u8bf7\u6c42]
\n B –> C[\u89e3\u6790\u8bf7\u6c42\u53c2\u6570]
\n C –> D[\u67e5\u8be2\u5bf9\u5e94\u8054\u7cfb\u4eba]
\n D –> E[\u5220\u9664\u8054\u7cfb\u4eba\u8bb0\u5f55]
\n E –> F[\u8fd4\u56de\u6210\u529f\u54cd\u5e94]<\/p>\n
\u670d\u52a1\u5668\u7aefAPI\u7684\u5f00\u53d1\u5e94\u8be5\u4e25\u683c\u9075\u5b88RESTful\u539f\u5219，\u4fdd\u8bc1API\u7684\u6e05\u6670\u3001\u4e00\u81f4\u548c\u6613\u7528\u6027\u3002\u540c\u65f6，API\u7684\u6587\u6863\u5316\u4e5f\u662f\u5fc5\u8981\u7684，\u4ee5\u4fbf\u5f00\u53d1\u8005\u80fd\u591f\u5feb\u901f\u7406\u89e3\u548c\u4f7f\u7528API\u3002\u5728\u5b9e\u73b0\u8fc7\u7a0b\u4e2d，\u4f7f\u7528\u5982Swagger\u7b49\u5de5\u5177\u81ea\u52a8\u751f\u6210API\u6587\u6863，\u80fd\u591f\u5927\u5927\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002 <\/p>\n
\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 <\/p>\n
\u7b80\u4ecb：\u672c\u9879\u76ee\u5c55\u793a\u4e86Android\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4ea4\u4e92\u7684\u79fb\u52a8\u5e94\u7528\u5f00\u53d1，\u91cd\u70b9\u662f\u8054\u7cfb\u4eba\u4fe1\u606f\u7684\u7ba1\u7406\u548c\u540c\u6b65\u3002\u901a\u8fc7\u5b66\u4e60\u9879\u76ee，\u5f00\u53d1\u8005\u53ef\u4ee5\u6df1\u5165\u4e86\u89e3Android\u5e94\u7528\u5f00\u53d1\u3001\u8054\u7cfb\u4eba\u7ba1\u7406\u3001\u5206\u7ec4\u7ba1\u7406\u3001\u4e2a\u4eba\u4e2d\u5fc3\u6a21\u5757\u3001\u672c\u5730\u5907\u4efd\u4e0e\u8fd8\u539f\u3001\u4e91\u5907\u4efd\u4e0e\u540c\u6b65\u3001\u670d\u52a1\u5668\u7aef\u5f00\u53d1\u3001\u6570\u636e\u540c\u6b65\u7b56\u7565\u3001\u5e94\u7528\u5b89\u5168\u6027\u548c\u6d4b\u8bd5\u8c03\u8bd5\u7b49\u5173\u952e\u77e5\u8bc6\u70b9，\u4ece\u800c\u63d0\u5347\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u6570\u636e\u4ea4\u4e92\u65b9\u9762\u7684\u5b9e\u9645\u5f00\u53d1\u6280\u80fd\u3002 <\/p>\n
\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 <\/p><\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb863\u6b21\uff0c\u70b9\u8d5e17\u6b21\uff0c\u6536\u85cf30\u6b21\u3002\u4e2a\u4eba\u4e2d\u5fc3\u6a21\u5757\u7684\u6838\u5fc3\u529f\u80fd\u9700\u6c42\u4e3b\u8981\u6d89\u53ca\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a\u4e2a\u4eba\u4fe1\u606f\u7ba1\u7406\uff1a\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e00\u529f\u80fd\u67e5\u770b\u548c\u7f16\u8f91\u81ea\u5df1\u7684\u4e2a\u4eba\u4fe1\u606f\uff0c\u5982\u7528\u6237\u540d\u3001\u5934\u50cf\u3001\u90ae\u7bb1\u5730\u5740\u7b49\u3002\u504f\u597d\u8bbe\u7f6e\uff1a\u5141\u8bb8\u7528\u6237\u6839\u636e\u81ea\u5df1\u7684\u559c\u597d\u8bbe\u7f6e\u5e94\u7528\u7684\u4f7f\u7528\u4e60\u60ef\uff0c\u4f8b\u5982\u8bed\u8a00\u9009\u62e9\u3001\u901a\u77e5\u8bbe\u7f6e\u7b49\u3002\u8d26\u6237\u5b89\u5168\uff1a\u63d0\u4f9b\u4fee\u6539\u5bc6\u7801\u3001\u7ed1\u5b9a\u90ae\u7bb1\u6216\u624b\u673a\u7b49\u5b89\u5168\u529f\u80fd\u3002\u5e2e\u52a9\u4e0e\u53cd\u9988\uff1a\u4e3a\u7528\u6237\u63d0\u4f9b\u5e2e\u52a9\u6587\u6863\u94fe\u63a5\u3001\u8054\u7cfb\u5ba2\u670d\u7684\u5165\u53e3\uff0c\u4ee5\u53ca\u63d0\u4ea4\u53cd\u9988\u7684\u9014\u5f84\u3002\u4ece\u7528\u6237\u89d2\u5ea6\u51fa\u53d1\uff0c\u4e2a\u4eba\u4e2d\u5fc3\u7684\u754c\u9762\u5e94\u8be5\u7b80\u6d01\u660e\u4e86\uff0c\u529f\u80fd\u4e4b\u95f4\u7684\u5207\u6362\u6d41\u7545\uff0c\u907f\u514d\u8fc7\u4e8e\u590d\u6742\u7684\u64cd\u4f5c\u6d41\u7a0b\u3002<\/p>\n","protected":false},"author":2,"featured_media":40451,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-40453","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server"],"yoast_head":"\n