增加uni端接口：获取本机IP

uniappWWW/unipluginDemo/pages/sample/ext-module-vue.vue

@@ -4,6 +4,7 @@
 		<button class="btn" type="primary" @click="gotoNativePage">跳转原生Activity</button>
 		<button class="btn" type="primary" @click="initTcp">[开启TcpServer]</button>
 		<button class="btn" type="primary" @click="closeTcp">[关闭TcpServer]</button>
+		<button class="btn" type="primary" @click="getIP">[获取IP]</button>
 		<text class="tips">
 			点击后将开启TcpServer. 本机IP: 192.168.1.64  端口：16666
 		</text>
@@ -97,6 +98,17 @@
 						this.log("invoke:"+JSON.stringify(ret))
 					})
 			},
+			getIP(){
+				zmtModule.getIP({
+					},
+					(ret) => {
+						modal.toast({
+							message: ret,
+							duration: 2
+						});
+						this.log("invoke:"+JSON.stringify(ret))
+					})
+			},
 			closeTcp(){
 				// 调用异步方法
 				this.log("Click Tcp Server.")

zmt_module/src/main/java/io/dcloud/zmt_module/zmtClass.java

@@ -9,6 +9,10 @@ import io.dcloud.zmt_module.tcpServer.TCPTask;
 
 import android.util.Log;
 
+import java.net.SocketException;
+
+import static io.dcloud.zmt_module.tcpServer.SocketHelper.getIPAddressForNetwork;
+
 public class zmtClass extends UniModule {
 
     String TAG = "module plugin";
@@ -44,10 +48,26 @@ public class zmtClass extends UniModule {
 //            uniSDK.fireGlobalEventCallback("myEvent", params);//发送全局参数直接回调
 
     }
+    //run JS thread
+    @UniJSMethod(uiThread = true)
+    public void getIP(JSONObject options, final UniJSCallback callback){
+        Log.e(TAG, "UniJSMethod getIP");
+
+
+        JSONObject data = new JSONObject();
+        data.put("code", "0");
+        try {
+            data.put("ip", getIPAddressForNetwork());
+        } catch (SocketException e) {
+            e.printStackTrace();
+        }
+
+        callback.invokeAndKeepAlive(data);
+    }
 
     //run JS thread
     @UniJSMethod(uiThread = true)
-    public void closeTcp(JSONObject options, final UniJSCallback callback){
+    public void closeTcp(JSONObject options, final UniJSCallback callback){ //TODO 需优化，暂勿用
         Log.e(TAG, "testSyncFunc--zmt2");
         JSONObject data = new JSONObject();
         data.put("code", "0");