115 lines
4.2 KiB
Kotlin
115 lines
4.2 KiB
Kotlin
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package uts.sdk.modules.uniRequestMerchantTransfer
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import android.content.Context
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import io.dcloud.uts.UTSAndroid
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import java.net.URLEncoder
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import java.nio.charset.StandardCharsets
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object RequestMerchantTransferNative {
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private const val OPEN_BUSINESS_VIEW_SDK_INT = 0x25020500
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fun send(
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appId: String?,
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mchId: String,
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packageValue: String,
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openId: String?,
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subAppId: String?,
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subMchId: String?,
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done: (Boolean, String) -> Unit
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) {
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val context = UTSAndroid.getAppContext()
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if (context == null) {
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done(false, "当前应用上下文不可用")
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return
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}
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try {
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val factoryClass = try {
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Class.forName("com.tencent.mm.opensdk.openapi.WXAPIFactory")
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} catch (_: Throwable) {
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null
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}
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if (factoryClass == null) {
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done(false, "未集成微信 OpenSDK，请使用自定义基座或打包运行")
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return
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}
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val createMethod = factoryClass.getMethod(
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"createWXAPI",
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Context::class.java,
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String::class.java,
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Boolean::class.javaPrimitiveType
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)
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val api = createMethod.invoke(null, context, appId, false)
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if (api == null) {
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done(false, "微信 API 初始化失败")
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return
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}
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val apiClass = api.javaClass
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val getApiVersionMethod = apiClass.methods.firstOrNull {
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it.name == "getWxAppSupportAPI" || it.name == "getWXAppSupportAPI"
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}
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val wxSdkVersion = (getApiVersionMethod?.invoke(api) as? Number)?.toInt() ?: 0
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var requiredSdkVersion = OPEN_BUSINESS_VIEW_SDK_INT
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try {
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val buildClass = Class.forName("com.tencent.mm.opensdk.constants.Build")
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val field = buildClass.getField("OPEN_BUSINESS_VIEW_SDK_INT")
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requiredSdkVersion = field.getInt(null)
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} catch (_: Throwable) {
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}
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if (wxSdkVersion < requiredSdkVersion) {
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done(false, "当前微信版本过低，请升级微信以使用该功能")
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return
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}
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fun encode(v: String?): String {
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return if (v != null) URLEncoder.encode(v, StandardCharsets.UTF_8.name()) else ""
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}
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val queryBuilder = StringBuilder()
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queryBuilder.append("mchId=").append(encode(mchId)).append("&")
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queryBuilder.append("package=").append(encode(packageValue)).append("&")
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if (appId != null) {
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queryBuilder.append("appId=").append(encode(appId)).append("&")
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}
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if (openId != null) {
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queryBuilder.append("openId=").append(encode(openId)).append("&")
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}
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if (subAppId != null) {
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queryBuilder.append("subAppId=").append(encode(subAppId)).append("&")
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}
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if (subMchId != null) {
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queryBuilder.append("subMchId=").append(encode(subMchId)).append("&")
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}
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val queryString = if (queryBuilder.isNotEmpty() && queryBuilder.endsWith("&")) {
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queryBuilder.substring(0, queryBuilder.length - 1)
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} else {
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queryBuilder.toString()
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}
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val reqClass = Class.forName("com.tencent.mm.opensdk.modelbiz.WXOpenBusinessView\$Req")
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val reqInstance = reqClass.getDeclaredConstructor().newInstance()
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reqClass.getField("businessType").set(reqInstance, "requestMerchantTransfer")
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reqClass.getField("query").set(reqInstance, queryString)
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val sendReqMethod = apiClass.methods.firstOrNull {
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it.name == "sendReq" && it.parameterTypes.size == 1
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}
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val ret = (sendReqMethod?.invoke(api, reqInstance) as? Boolean) ?: false
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if (ret) {
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done(true, "ok")
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} else {
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done(false, "fail")
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}
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} catch (e: Throwable) {
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done(false, "调用微信转账接口异常: " + (e.message ?: ""))
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}
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}
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}
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