Go言語を使用してスマートモバイルアプリケーションを開発する方法

package main

import (
    "fmt"
    "net/http"
)

func helloHandler(w http.ResponseWriter, r *http.Request) {
    fmt.Fprintf(w, "Hello, World!")
}

func main() {
    http.HandleFunc("/", helloHandler)
    http.ListenAndServe(":8080", nil)
}

package main

import (
    "fmt"
    "github.com/sjwhitworth/golearn/base"
    "github.com/sjwhitworth/golearn/linear_models"
)

func main() {
    // 创建一个新的空数据集
    data := base.NewDenseInstances()

    // 为数据集添加样本数据
    data.AddClassAttrValues(base.AllClassAttributes(), []string{"A", "B", "C", "A"})
    data.AddClassAttrValues([]int{0, 1, 2}, []float64{1.0, 2.0, 3.0})

    // 创建线性回归模型
    lr := linear_models.NewLinearRegression()
    lr.Fit(data)

    // 预测新数据
    pred, _ := lr.Predict(base.NewInstance(), nil)
    fmt.Println(pred)
}

import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;

void main() {
  runApp(MaterialApp(
    home: MyHomePage(),
  ));
}

class MyHomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Hello, World!'),
      ),
      body: Center(
        child: FutureBuilder<String>(
          future: fetchHello(),
          builder: (context, snapshot) {
            if (snapshot.hasData) {
              return Text(snapshot.data);
            } else {
              return CircularProgressIndicator();
            }
          },
        ),
      ),
    );
  }

  Future<String> fetchHello() async {
    final response = await http.get('http://localhost:8080');
    return response.body;
  }
}