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app/src/main/java/com/example/defenseapplication/utils/ApiService.kt

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+package com.example.defenseapplication.utils
+
+import com.google.gson.Gson
+import okhttp3.OkHttpClient
+import retrofit2.http.GET
+
+interface ApiService {
+    // 获取登录注册验证码
+    @GET("/resource/sms/code")
+    suspend fun getCode(): String
+
+
+
+}

app/src/main/java/com/example/defenseapplication/utils/DataClass.kt

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+package com.example.defenseapplication.utils
+
+data class Post(
+    val userId: Int,
+    val id: Int,
+    val title: String,
+    val body: String
+)

app/src/main/java/com/example/defenseapplication/utils/HttpUtils.kt

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+package com.example.defenseapplication.utils
+
+import okhttp3.Interceptor
+import okhttp3.OkHttpClient
+import okhttp3.Response
+import okhttp3.logging.HttpLoggingInterceptor
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import java.util.concurrent.TimeUnit
+
+//网络工具类
+object HttpUtils {
+
+    val okHttpClient = OkHttpClient.Builder()
+        .addInterceptor(HttpLoggingInterceptor().setLevel(HttpLoggingInterceptor.Level.BODY))
+        .writeTimeout(3, TimeUnit.MINUTES)
+        .readTimeout(3, TimeUnit.MINUTES)
+        .addInterceptor(object : Interceptor {
+            override fun intercept(chain: Interceptor.Chain): Response {
+                val s = UserinfoUtil.getUserInfo()
+                val aa = chain.request().newBuilder()
+                    .addHeader("token", s?.token ?: "")
+                    .addHeader("userId", "${s?.userId ?: 0}")
+                    .build()
+                return chain.proceed(aa)
+            }
+        })
+        .build()
+
+    val retrofit = Retrofit.Builder()
+        .addConverterFactory(GsonConverterFactory.create())
+        .client(okHttpClient)
+        .baseUrl("https://stem-boozy-margarine.ngrok-free.dev")
+        .build()
+
+
+    val api = retrofit.create(ApiService::class.java)
+
+
+
+
+
+}

app/src/main/java/com/example/defenseapplication/utils/UserinfoUtil.kt

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+package com.example.defenseapplication.utils
+
+import bean.LoginBean
+import com.blankj.utilcode.util.SPUtils
+import com.google.gson.Gson
+
+//存储登录的token和userid
+object UserinfoUtil {
+
+    private const val KEY_USER = "NAME_USER"
+    private val gson = Gson()
+
+    fun saveUserInfo(userinfo: LoginBean?) {
+        userinfo ?: return
+        val json = gson.toJson(userinfo)
+        SPUtils.getInstance().put(KEY_USER, json)
+    }
+
+    fun getUserInfo(): LoginBean? {
+        val string = SPUtils.getInstance().getString(KEY_USER)
+        if (string.isNullOrEmpty()) {
+            return null
+        }
+        return gson.fromJson(string, LoginBean::class.java)
+    }
+
+}