add convert

app/src/main/ets/pages/net/RestAPIPage.ets

@@ -3,6 +3,7 @@ import axios, { AxiosError, AxiosResponse } from '@ohos/axios'
 import http from '@ohos.net.http';
 import { RestAPI } from './RestAPI';
 import { Organization } from './APIModel';
+import { convertxml, util } from '@kit.ArkTS';
 
 const TAG = '[RestAPIPage]'
 
@@ -39,7 +40,7 @@ struct RestAPIPage {
         })
 
         Button("GetByHttp").onClick(() =>{
-          this.viewModel.getAllOrgs();
+          this.viewModel.getServerVersionByHttp();
         }).margin({top: 20})
       }.width('80%')
     }.width('100%')
@@ -64,5 +65,31 @@ class RestAPIViewModel {
   }
 
   getServerVersionByHttp() {
+    let request = http.createHttp();
+    let header: Map<string, string> = new Map();
+    request.request('https://qt.gtimg.cn/q=s_sh000001', {
+      header: {
+        'Content-Type': 'text/html; charset=GBK'
+      },
+      expectDataType: http.HttpDataType.ARRAY_BUFFER
+    }).then(res => {
+      let data = this.gbkToUTF8(res.result as ArrayBuffer);
+      Log.info(res.responseCode.toString());
+    })
   }
+
+  gbkToUTF8(content: ArrayBuffer): string {
+    let textDecoderOptions: util.TextDecoderOptions = {
+      fatal: false,
+      ignoreBOM : true
+    }
+    let decodeWithStreamOptions: util.DecodeWithStreamOptions = {
+      stream: true
+    }
+    let textDecoder = util.TextDecoder.create('gbk', textDecoderOptions);
+    let retStr = textDecoder.decodeWithStream( new Uint8Array(content) , decodeWithStreamOptions);
+    return retStr;
+  }
+
+
 }