.NET集成GoView低代码实现可视化大屏完整案例详解

# 克隆GoView仓库
git clone https://gitee.com/dromara/go-view.git

# 进入项目目录
cd go-view

# 安装依赖
npm install

# 构建生产版本
npm run build

dotnet new webapp -n GoViewDemo
cd GoViewDemo

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddRazorPages();

var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Error");
    app.UseHsts();
}

app.UseHttpsRedirection();
app.UseStaticFiles();

app.UseRouting();

app.UseAuthorization();

// 添加GoView路由
app.MapGet("/", () => Results.Redirect("/index.html"));
app.MapRazorPages();

app.Run();

// Controllers/GoViewController.cs
using Microsoft.AspNetCore.Mvc;

namespace GoViewDemo.Controllers;

[ApiController]
[Route("api/[controller]")]
public class GoViewController : ControllerBase
{
    [HttpGet("chartData")]
    public IActionResult GetChartData()
    {
        var data = new
        {
            categories = new[] { "周一", "周二", "周三", "周四", "周五", "周六", "周日" },
            series = new[] 
            {
                new { name = "邮件营销", data = new[] { 120, 132, 101, 134, 90, 230, 210 } },
                new { name = "联盟广告", data = new[] { 220, 182, 191, 234, 290, 330, 310 } }
            }
        };
        
        return Ok(data);
    }
}

axios.defaults.baseURL = '/api';

dotnet run

// Program.cs
builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
    .AddJwtBearer(options =>
    {
        options.TokenValidationParameters = new TokenValidationParameters
        {
            ValidateIssuer = true,
            ValidateAudience = true,
            ValidateLifetime = true,
            ValidateIssuerSigningKey = true,
            ValidIssuer = builder.Configuration["Jwt:Issuer"],
            ValidAudience = builder.Configuration["Jwt:Audience"],
            IssuerSigningKey = new SymmetricSecurityKey(
                Encoding.UTF8.GetBytes(builder.Configuration["Jwt:Key"]))
        };
    });

// 在main.js或axios配置文件中
axios.interceptors.request.use(config => {
    const token = localStorage.getItem('token');
    if (token) {
        config.headers.Authorization = `Bearer ${token}`;
    }
    return config;
}, error => {
    return Promise.reject(error);
});

[HttpGet("themes")]
public IActionResult GetThemes()
{
    var themes = new[]
    {
        new { id = "default", name = "默认主题" },
        new { id = "dark", name = "暗黑主题" },
        new { id = "light", name = "明亮主题" }
    };
    
    return Ok(themes);
}

[HttpPost("setTheme/{themeId}")]
public IActionResult SetTheme(string themeId)
{
    // 这里可以实现主题切换逻辑
    return Ok(new { message = $"主题已切换为{themeId}" });
}

[HttpGet("cachedData")]
public async Task<IActionResult> GetCachedData([FromServices] IMemoryCache cache)
{
    const string cacheKey = "chart_data";
    
    if (!cache.TryGetValue(cacheKey, out var data))
    {
        // 模拟从数据库获取数据
        data = await FetchDataFromDatabase();
        
        // 设置缓存选项
        var cacheOptions = new MemoryCacheEntryOptions()
            .SetSlidingExpiration(TimeSpan.FromMinutes(5));
        
        cache.Set(cacheKey, data, cacheOptions);
    }
    
    return Ok(data);
}

builder.Services.AddCors(options =>
{
    options.AddPolicy("AllowAll", builder =>
    {
        builder.AllowAnyOrigin()
               .AllowAnyMethod()
               .AllowAnyHeader();
    });
});

app.UseCors("AllowAll");

builder.Services.AddResponseCompression(options =>
{
    options.EnableForHttps = true;
});

app.UseResponseCompression();