diff --git a/front/.gitignore b/front/.gitignore
new file mode 100644
index 0000000..603b140
--- /dev/null
+++ b/front/.gitignore
@@ -0,0 +1,14 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
diff --git a/front/.idea/.name b/front/.idea/.name
new file mode 100644
index 0000000..557ddab
--- /dev/null
+++ b/front/.idea/.name
@@ -0,0 +1 @@
+jesus
\ No newline at end of file
diff --git a/front/.idea/codeStyles/Project.xml b/front/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000..681f41a
--- /dev/null
+++ b/front/.idea/codeStyles/Project.xml
@@ -0,0 +1,116 @@
+
+
+
+
+
+
+
+
+
+
+
+
+ xmlns:android
+
+ ^$
+
+
+
+
+
+
+
+
+ xmlns:.*
+
+ ^$
+
+
+ BY_NAME
+
+
+
+
+
+
+ .*:id
+
+ http://schemas.android.com/apk/res/android
+
+
+
+
+
+
+
+
+ .*:name
+
+ http://schemas.android.com/apk/res/android
+
+
+
+
+
+
+
+
+ name
+
+ ^$
+
+
+
+
+
+
+
+
+ style
+
+ ^$
+
+
+
+
+
+
+
+
+ .*
+
+ ^$
+
+
+ BY_NAME
+
+
+
+
+
+
+ .*
+
+ http://schemas.android.com/apk/res/android
+
+
+ ANDROID_ATTRIBUTE_ORDER
+
+
+
+
+
+
+ .*
+
+ .*
+
+
+ BY_NAME
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/front/.idea/compiler.xml b/front/.idea/compiler.xml
new file mode 100644
index 0000000..38d573b
--- /dev/null
+++ b/front/.idea/compiler.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/front/.idea/gradle.xml b/front/.idea/gradle.xml
new file mode 100644
index 0000000..d291b3d
--- /dev/null
+++ b/front/.idea/gradle.xml
@@ -0,0 +1,16 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/front/.idea/misc.xml b/front/.idea/misc.xml
new file mode 100644
index 0000000..1a45ef3
--- /dev/null
+++ b/front/.idea/misc.xml
@@ -0,0 +1,23 @@
+
+
+
+
+
+
+
+
+
+
+ Android
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/front/.idea/runConfigurations.xml b/front/.idea/runConfigurations.xml
new file mode 100644
index 0000000..7f68460
--- /dev/null
+++ b/front/.idea/runConfigurations.xml
@@ -0,0 +1,12 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/front/app/.gitignore b/front/app/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/front/app/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/front/app/build.gradle b/front/app/build.gradle
new file mode 100644
index 0000000..dccc457
--- /dev/null
+++ b/front/app/build.gradle
@@ -0,0 +1,35 @@
+apply plugin: 'com.android.application'
+
+android {
+ compileSdkVersion 29
+ buildToolsVersion "29.0.2"
+ defaultConfig {
+ applicationId "com.example.myapplication"
+ minSdkVersion 23
+ targetSdkVersion 29
+ versionCode 1
+ versionName "1.0"
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ }
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+ }
+ }
+ compileOptions {
+ sourceCompatibility = 1.8
+ targetCompatibility = 1.8
+ }
+}
+
+dependencies {
+ implementation fileTree(dir: 'libs', include: ['*.jar'])
+ implementation 'androidx.appcompat:appcompat:1.1.0'
+ implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+ implementation 'com.squareup.okhttp3:okhttp:4.2.2'
+ implementation 'com.alibaba:fastjson:1.2.62'
+ testImplementation 'junit:junit:4.12'
+ androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+}
diff --git a/front/app/proguard-rules.pro b/front/app/proguard-rules.pro
new file mode 100644
index 0000000..f1b4245
--- /dev/null
+++ b/front/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+# http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/front/app/src/androidTest/java/com/example/myapplication/ExampleInstrumentedTest.java b/front/app/src/androidTest/java/com/example/myapplication/ExampleInstrumentedTest.java
new file mode 100644
index 0000000..af71346
--- /dev/null
+++ b/front/app/src/androidTest/java/com/example/myapplication/ExampleInstrumentedTest.java
@@ -0,0 +1,27 @@
+package com.example.myapplication;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see Testing documentation
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+ @Test
+ public void useAppContext() {
+ // Context of the app under test.
+ Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+
+ assertEquals("com.example.myapplication", appContext.getPackageName());
+ }
+}
diff --git a/front/app/src/main/AndroidManifest.xml b/front/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..1a66719
--- /dev/null
+++ b/front/app/src/main/AndroidManifest.xml
@@ -0,0 +1,25 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/front/app/src/main/java/com/example/myapplication/MainActivity.java b/front/app/src/main/java/com/example/myapplication/MainActivity.java
new file mode 100644
index 0000000..384a91d
--- /dev/null
+++ b/front/app/src/main/java/com/example/myapplication/MainActivity.java
@@ -0,0 +1,155 @@
+package com.example.myapplication;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+import android.os.Looper;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.alibaba.fastjson.JSONArray;
+import com.example.myapplication.model.dao.*;
+import com.example.myapplication.model.entity.*;
+
+import java.io.IOException;
+import java.util.List;
+
+import okhttp3.FormBody;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+
+public class MainActivity extends AppCompatActivity {
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_main);
+
+ Button register = findViewById(R.id.register);
+ register.setOnClickListener(
+ v ->
+ {
+ new Thread(()-> {
+ OkHttpClient okHttpClient = new OkHttpClient();
+ String name = ((EditText) findViewById(R.id.name)).getText().toString();
+ FormBody formBody = new FormBody.Builder().add("name", name).build();
+ Request request = new Request.Builder()
+ .url(Constant.ADD)
+ .post(formBody)
+ .build();
+ try (Response response = okHttpClient.newCall(request).execute()) {
+ Looper.prepare();
+ if (Boolean.parseBoolean(response.body().string()))
+ {
+ Toast.makeText(this, "注册成功", Toast.LENGTH_SHORT).show();
+ }
+ else
+ {
+ Toast.makeText(this, "注册失败", Toast.LENGTH_SHORT).show();
+ }
+ Looper.loop();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }).start();
+ }
+ );
+ Button login = findViewById(R.id.login);
+ login.setOnClickListener(
+ v ->
+ {
+ new Thread(()-> {
+ OkHttpClient okHttpClient = new OkHttpClient();
+ String name = ((EditText) findViewById(R.id.name)).getText().toString();
+ FormBody formBody = new FormBody.Builder().add("name", name).build();
+ Request request = new Request.Builder()
+ .url(Constant.GET)
+ .post(formBody)
+ .build();
+ try (Response response = okHttpClient.newCall(request).execute()) {
+ List users = JSONArray.parseArray(response.body().string(),User.class);
+ Looper.prepare();
+ if(users.size() == 0)
+ {
+ Toast.makeText(this,"登录失败",Toast.LENGTH_SHORT).show();
+ }
+ else
+ {
+ Toast.makeText(this,"登录成功",Toast.LENGTH_SHORT).show();
+ }
+ Looper.loop();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }).start();
+ }
+ );
+
+ Button delete = findViewById(R.id.delete);
+ delete.setOnClickListener(
+ v ->
+ {
+ new Thread(()-> {
+ OkHttpClient okHttpClient = new OkHttpClient();
+ String name = ((EditText) findViewById(R.id.name)).getText().toString();
+ FormBody formBody = new FormBody.Builder().add("name", name).build();
+ Request request = new Request.Builder()
+ .url(Constant.DELETE)
+ .post(formBody)
+ .build();
+ try (Response response = okHttpClient.newCall(request).execute()) {
+ Looper.prepare();
+ if (Boolean.parseBoolean(response.body().string()))
+ {
+ Toast.makeText(this, "删除成功", Toast.LENGTH_SHORT).show();
+ }
+ else
+ {
+ Toast.makeText(this, "删除失败", Toast.LENGTH_SHORT).show();
+ }
+ Looper.loop();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }).start();
+ }
+ );
+
+ Button modify = findViewById(R.id.modify);
+ modify.setOnClickListener(
+ v ->
+ {
+ new Thread(()-> {
+ OkHttpClient okHttpClient = new OkHttpClient();
+ String name = ((EditText) findViewById(R.id.name)).getText().toString();
+ String id = ((EditText)findViewById(R.id.id)).getText().toString();
+ FormBody formBody = new FormBody.Builder()
+ .add("name", name)
+ .add("id",id)
+ .build();
+ Request request = new Request.Builder()
+ .url(Constant.MODIFY)
+ .post(formBody)
+ .build();
+ try (Response response = okHttpClient.newCall(request).execute()) {
+ Looper.prepare();
+ if (Boolean.parseBoolean(response.body().string()))
+ {
+ Toast.makeText(this, "修改成功", Toast.LENGTH_SHORT).show();
+ }
+ else
+ {
+ Toast.makeText(this, "修改失败", Toast.LENGTH_SHORT).show();
+ }
+ Looper.loop();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }).start();
+ }
+ );
+ }
+}
diff --git a/front/app/src/main/java/com/example/myapplication/model/dao/Constant.java b/front/app/src/main/java/com/example/myapplication/model/dao/Constant.java
new file mode 100644
index 0000000..a94f5d4
--- /dev/null
+++ b/front/app/src/main/java/com/example/myapplication/model/dao/Constant.java
@@ -0,0 +1,10 @@
+package com.example.myapplication.model.dao;
+
+public class Constant {
+ private final static String BASE_URL = "http://192.168.0.107:8080/demo/";
+ public final static String ADD = BASE_URL+"add";
+ public final static String GET = BASE_URL+"get";
+ public final static String GETALL = BASE_URL+"getAll";
+ public final static String DELETE = BASE_URL+"delete";
+ public final static String MODIFY = BASE_URL+"modify";
+}
diff --git a/front/app/src/main/java/com/example/myapplication/model/entity/User.java b/front/app/src/main/java/com/example/myapplication/model/entity/User.java
new file mode 100644
index 0000000..35e9842
--- /dev/null
+++ b/front/app/src/main/java/com/example/myapplication/model/entity/User.java
@@ -0,0 +1,22 @@
+package com.example.myapplication.model.entity;
+
+public class User {
+ private Integer id;
+ private String name;
+
+ public Integer getId() {
+ return id;
+ }
+
+ public void setId(Integer id) {
+ this.id = id;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+}
diff --git a/front/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/front/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..1f6bb29
--- /dev/null
+++ b/front/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,34 @@
+
+
+
+
+