{"id":17575,"date":"2025-04-19T00:03:26","date_gmt":"2025-04-18T16:03:26","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/17575.html"},"modified":"2025-04-19T00:03:26","modified_gmt":"2025-04-18T16:03:26","slug":"%e8%bf%90%e7%a8%8b%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e5%9b%be%e7%89%87%e6%98%be%e7%a4%ba%e4%b8%8e%e4%b8%8b%e8%bd%bd%e7%9a%84%e6%b5%8f%e8%a7%88%e5%99%a8%e8%af%b7%e6%b1%82%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/17575.html","title":{"rendered":"\u8fd0\u7a0b\u670d\u52a1\u5668\u7684\u56fe\u7247\u663e\u793a\u4e0e\u4e0b\u8f7d\u7684\u6d4f\u89c8\u5668\u8bf7\u6c42\u5b9e\u73b0"},"content":{"rendered":"<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f7f\u7528 Python \u5b9e\u73b0\u4e00\u4e2a\u53ef\u4ee5\u901a\u8fc7\u7279\u5b9a\u8def\u5f84\u4e0b\u8f7d\u56fe\u7247\u7684\u670d\u52a1\u5668&#xff0c;\u53ef\u4ee5\u4f7f\u7528 Flask \u6846\u67b6\u3002Flask \u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684 Web \u6846\u67b6&#xff0c;\u975e\u5e38\u9002\u5408\u5feb\u901f\u5f00\u53d1\u548c\u90e8\u7f72\u7b80\u5355\u7684 Web \u5e94\u7528\u3002<\/p>\n<h3>\u4e00\u3001\u56fe\u7247\u663e\u793a&#xff1a;<\/h3>\n<h4 id=\"\u6b65\u9aa4&#xff1a;\">\u6b65\u9aa4&#xff1a;<\/h4>\n<li>\n<h5>\u5b89\u88c5 Flask&#xff1a; \u9996\u5148&#xff0c;\u786e\u4fdd\u4f60\u5df2\u7ecf\u5b89\u88c5\u4e86 Flask\u3002\u5982\u679c\u6ca1\u6709\u5b89\u88c5&#xff0c;\u53ef\u4ee5\u4f7f\u7528 pip \u8fdb\u884c\u5b89\u88c5&#xff1a;<\/h5>\n<p>bash<\/p>\n<p> pip install flask <\/li>\n<li>\n<h5>\u521b\u5efa Flask \u5e94\u7528&#xff1a; \u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Python \u6587\u4ef6&#xff0c;\u4f8b\u5982\u00a0app.py&#xff0c;\u5e76\u7f16\u5199\u4ee5\u4e0b\u4ee3\u7801&#xff1a;<\/h5>\n<p>python<\/p>\n<p> from flask import Flask, send_from_directory, abort<br \/>\nimport os<\/p>\n<p>app &#061; Flask(__name__)<\/p>\n<p># \u8bbe\u7f6e\u56fe\u7247\u5b58\u653e\u7684\u76ee\u5f55<br \/>\nIMAGE_DIRECTORY &#061; &#039;\/path\/to\/your\/images\/himstest&#039;<\/p>\n<p>&#064;app.route(&#039;\/himstest\/&lt;filename&gt;&#039;)<br \/>\ndef download_image(filename):<br \/>\n    try:<br \/>\n        # \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728<br \/>\n        if not os.path.isfile(os.path.join(IMAGE_DIRECTORY, filename)):<br \/>\n            abort(404)<br \/>\n        # \u53d1\u9001\u6587\u4ef6\u7ed9\u5ba2\u6237\u7aef<br \/>\n        return send_from_directory(IMAGE_DIRECTORY, filename)<br \/>\n    except Exception as e:<br \/>\n        print(f&#034;Error: {e}&#034;)<br \/>\n        abort(500)<\/p>\n<p>if __name__ &#061;&#061; &#039;__main__&#039;:<br \/>\n    app.run(host&#061;&#039;0.0.0.0&#039;, port&#061;80) <\/li>\n<li>\n<h5>\u4e0a\u4f20\u56fe\u7247\u5230\u670d\u52a1\u5668&#xff1a; \u5c06\u4f60\u7684\u56fe\u7247\u4e0a\u4f20\u5230\u6307\u5b9a\u7684\u76ee\u5f55\u3002\u4f8b\u5982&#xff0c;\u5c06\u00a0\u6d4b\u8bd5_1740902489326.png\u00a0\u4e0a\u4f20\u5230\u00a0\/path\/to\/your\/images\/himstest\/\u00a0\u76ee\u5f55\u4e0b\u3002<\/h5>\n<\/li>\n<li>\n<h5>\u8fd0\u884c Flask \u5e94\u7528&#xff1a; \u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c Flask \u5e94\u7528&#xff1a;<\/h5>\n<p>bash<\/p>\n<p> python app.py <\/li>\n<li>\n<h5>\u8bbf\u95ee\u56fe\u7247&#xff1a; \u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee\u00a0http:\/\/&lt;your-server-ip&gt;\/himstest\/\u6d4b\u8bd5_1740902489326.png&#xff0c;\u786e\u4fdd\u56fe\u7247\u53ef\u4ee5\u6b63\u786e\u663e\u793a\u3002<\/h5>\n<\/li>\n<h3><\/h3>\n<h3>\u4e8c\u3001\u56fe\u7247\u4e0b\u8f7d&#xff1a;<\/h3>\n<h4 id=\"1. \u5b89\u88c5 Flask\">1. \u5b89\u88c5 Flask<\/h4>\n<p>\u5982\u679c\u8fd8\u6ca1\u6709\u5b89\u88c5 Flask&#xff0c;\u53ef\u4ee5\u4f7f\u7528 pip \u8fdb\u884c\u5b89\u88c5&#xff1a;<\/p>\n<p>bash<\/p>\n<p>pip install flask <\/p>\n<h4 id=\"2. \u521b\u5efa Flask \u5e94\u7528\">2. \u521b\u5efa Flask \u5e94\u7528<\/h4>\n<p>\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Python \u6587\u4ef6&#xff0c;\u4f8b\u5982\u00a0app.py&#xff0c;\u5e76\u7f16\u5199\u4ee5\u4e0b\u4ee3\u7801&#xff1a;<\/p>\n<p>python<\/p>\n<p>from flask import Flask, send_file, abort<br \/>\nimport os<\/p>\n<p>app &#061; Flask(__name__)<\/p>\n<p># \u8bbe\u7f6e\u56fe\u7247\u5b58\u653e\u7684\u76ee\u5f55<br \/>\nIMAGE_DIRECTORY &#061; &#039;\/path\/to\/your\/images\/himstest&#039;<\/p>\n<p>&#064;app.route(&#039;\/himstest\/&lt;filename&gt;&#039;)<br \/>\ndef download_image(filename):<br \/>\n    try:<br \/>\n        file_path &#061; os.path.join(IMAGE_DIRECTORY, filename)<br \/>\n        if not os.path.isfile(file_path):<br \/>\n            abort(404)<br \/>\n        return send_file(file_path, as_attachment&#061;True)<br \/>\n    except Exception as e:<br \/>\n        print(f&#034;Error: {e}&#034;)<br \/>\n        abort(500)<\/p>\n<p>if __name__ &#061;&#061; &#039;__main__&#039;:<br \/>\n    app.run(host&#061;&#039;0.0.0.0&#039;, port&#061;80) <\/p>\n<h4 id=\"3. \u4e0a\u4f20\u56fe\u7247\u5230\u670d\u52a1\u5668\">3. \u4e0a\u4f20\u56fe\u7247\u5230\u670d\u52a1\u5668<\/h4>\n<p>\u5c06\u4f60\u7684\u56fe\u7247\u4e0a\u4f20\u5230\u6307\u5b9a\u7684\u76ee\u5f55\u3002\u4f8b\u5982&#xff0c;\u5c06\u00a0\u6d4b\u8bd5_1740902489326.png\u00a0\u4e0a\u4f20\u5230\u00a0\/path\/to\/your\/images\/himstest\/\u00a0\u76ee\u5f55\u4e0b\u3002<\/p>\n<h4 id=\"4. \u8fd0\u884c Flask \u5e94\u7528\">4. \u8fd0\u884c Flask \u5e94\u7528<\/h4>\n<p>\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c Flask \u5e94\u7528&#xff1a;<\/p>\n<p>bash<\/p>\n<p>sudo python app.py <\/p>\n<h4 id=\"5. \u8bbf\u95ee\u56fe\u7247\">5. \u8bbf\u95ee\u56fe\u7247<\/h4>\n<p>\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee\u00a0http:\/\/&lt;your-server-ip&gt;\/himstest\/\u6d4b\u8bd5_1740902489326.png&#xff0c;\u6d4f\u89c8\u5668\u5e94\u8be5\u4f1a\u81ea\u52a8\u4e0b\u8f7d\u56fe\u7247&#xff0c;\u800c\u4e0d\u662f\u76f4\u63a5\u663e\u793a\u3002<\/p>\n<h4 id=\"\u89e3\u91ca\">\u89e3\u91ca<\/h4>\n<ul>\n<li>send_file\u00a0\u51fd\u6570\u7528\u4e8e\u53d1\u9001\u6587\u4ef6\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<li>as_attachment&#061;True\u00a0\u53c2\u6570\u544a\u8bc9\u6d4f\u89c8\u5668\u5c06\u6587\u4ef6\u4f5c\u4e3a\u9644\u4ef6\u4e0b\u8f7d&#xff0c;\u800c\u4e0d\u662f\u76f4\u63a5\u663e\u793a\u3002<\/li>\n<\/ul>\n<h3 id=\"\u5b89\u5168\u6027\u8003\u8651&#xff1a;\">\u4e09\u3001\u5b89\u5168\u6027\u8003\u8651&#xff1a;<\/h3>\n<p>\u4e3a\u4e86\u589e\u5f3a\u5b89\u5168\u6027&#xff0c;\u4f60\u53ef\u4ee5\u6dfb\u52a0\u4e00\u4e9b\u989d\u5916\u7684\u63aa\u65bd&#xff0c;\u4f8b\u5982&#xff1a;<\/p>\n<ul>\n<li>\u9650\u5236\u6587\u4ef6\u7c7b\u578b&#xff1a;\u53ea\u5141\u8bb8\u7279\u5b9a\u7c7b\u578b\u7684\u6587\u4ef6&#xff08;\u5982 PNG\u3001JPEG&#xff09;\u88ab\u4e0b\u8f7d\u3002<\/li>\n<li>\u8eab\u4efd\u9a8c\u8bc1&#xff1a;\u8981\u6c42\u7528\u6237\u767b\u5f55\u624d\u80fd\u8bbf\u95ee\u67d0\u4e9b\u8d44\u6e90\u3002<\/li>\n<li>\u6743\u9650\u63a7\u5236&#xff1a;\u9650\u5236\u54ea\u4e9b IP \u5730\u5740\u6216\u7528\u6237\u53ef\u4ee5\u8bbf\u95ee\u7279\u5b9a\u76ee\u5f55\u3002<\/li>\n<li>HTTPS&#xff1a;\u4f7f\u7528 SSL\/TLS \u52a0\u5bc6\u901a\u4fe1&#xff0c;\u4fdd\u62a4\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<h3>\u56db\u3001C#\u5b9e\u73b0<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728 C# \u4e2d&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u00a0ASP.NET\u00a0Core \u6765\u5b9e\u73b0\u4e00\u4e2a\u670d\u52a1\u5668&#xff0c;\u4f7f\u6d4f\u89c8\u5668\u81ea\u52a8\u4e0b\u8f7d\u56fe\u7247\u800c\u4e0d\u662f\u76f4\u63a5\u663e\u793a\u5b83\u4eec\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u6b65\u9aa4&#xff1a;<\/p>\n<h4 id=\"1. \u521b\u5efa ASP.NET Core \u9879\u76ee\">1. \u521b\u5efa\u00a0ASP.NET\u00a0Core \u9879\u76ee<\/h4>\n<p>\u9996\u5148&#xff0c;\u786e\u4fdd\u4f60\u5df2\u7ecf\u5b89\u88c5\u4e86 .NET SDK\u3002\u5982\u679c\u6ca1\u6709\u5b89\u88c5&#xff0c;\u53ef\u4ee5\u4ece\u00a0Microsoft .NET \u4e0b\u8f7d\u9875\u9762\u00a0\u83b7\u53d6\u3002<\/p>\n<p>\u7136\u540e&#xff0c;\u5728\u547d\u4ee4\u884c\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u00a0ASP.NET\u00a0Core Web \u5e94\u7528\u7a0b\u5e8f&#xff1a;<\/p>\n<p>bash<\/p>\n<p>dotnet new webapi -n ImageDownloadApp<br \/>\ncd ImageDownloadApp <\/p>\n<h4 id=\"2. \u6dfb\u52a0\u63a7\u5236\u5668\">2. \u6dfb\u52a0\u63a7\u5236\u5668<\/h4>\n<p>\u5728\u00a0Controllers\u00a0\u6587\u4ef6\u5939\u4e0b\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u63a7\u5236\u5668\u6587\u4ef6\u00a0ImageController.cs&#xff0c;\u5e76\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801&#xff1a;<\/p>\n<p>csharp<\/p>\n<p>using Microsoft.AspNetCore.Mvc;<br \/>\nusing System.IO;<\/p>\n<p>namespace ImageDownloadApp.Controllers<br \/>\n{<br \/>\n    [Route(&#034;api\/[controller]&#034;)]<br \/>\n    [ApiController]<br \/>\n    public class ImageController : ControllerBase<br \/>\n    {<br \/>\n        private readonly string IMAGE_DIRECTORY &#061; Path.Combine(Directory.GetCurrentDirectory(), &#034;images&#034;);<\/p>\n<p>        [HttpGet(&#034;{filename}&#034;)]<br \/>\n        public IActionResult DownloadImage(string filename)<br \/>\n        {<br \/>\n            var filePath &#061; Path.Combine(IMAGE_DIRECTORY, filename);<\/p>\n<p>            if (!System.IO.File.Exists(filePath))<br \/>\n            {<br \/>\n                return NotFound();<br \/>\n            }<\/p>\n<p>            var memory &#061; new MemoryStream();<br \/>\n            using (var stream &#061; new FileStream(filePath, FileMode.Open))<br \/>\n            {<br \/>\n                stream.CopyTo(memory);<br \/>\n            }<br \/>\n            memory.Position &#061; 0;<\/p>\n<p>            return File(memory, &#034;application\/octet-stream&#034;, filename);<br \/>\n        }<br \/>\n    }<br \/>\n} <\/p>\n<h4 id=\"3. \u914d\u7f6e\u9759\u6001\u6587\u4ef6\u76ee\u5f55\">3. \u914d\u7f6e\u9759\u6001\u6587\u4ef6\u76ee\u5f55<\/h4>\n<p>\u5728\u9879\u76ee\u6839\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u00a0images\u00a0\u6587\u4ef6\u5939&#xff0c;\u5e76\u5c06\u4f60\u7684\u56fe\u7247\u6587\u4ef6\u653e\u5165\u5176\u4e2d\u3002\u4f8b\u5982&#xff0c;\u5c06\u00a0\u6d4b\u8bd5_1740902489326.png\u00a0\u653e\u5165\u00a0images\u00a0\u6587\u4ef6\u5939\u3002<\/p>\n<h4 id=\"4. \u914d\u7f6e\u542f\u52a8\u6587\u4ef6\">4. \u914d\u7f6e\u542f\u52a8\u6587\u4ef6<\/h4>\n<p>\u6253\u5f00\u00a0Startup.cs\u00a0\u6587\u4ef6&#xff0c;\u5e76\u786e\u4fdd\u914d\u7f6e\u6b63\u786e\u7684\u670d\u52a1\u548c\u4e2d\u95f4\u4ef6&#xff1a;<\/p>\n<p>csharp<\/p>\n<p>public void ConfigureServices(IServiceCollection services)<br \/>\n{<br \/>\n    services.AddControllers();<br \/>\n}<\/p>\n<p>public void Configure(IApplicationBuilder app, IWebHostEnvironment env)<br \/>\n{<br \/>\n    if (env.IsDevelopment())<br \/>\n    {<br \/>\n        app.UseDeveloperExceptionPage();<br \/>\n    }<\/p>\n<p>    app.UseRouting();<\/p>\n<p>    app.UseEndpoints(endpoints &#061;&gt;<br \/>\n    {<br \/>\n        endpoints.MapControllers();<br \/>\n    });<br \/>\n} <\/p>\n<h4 id=\"5. \u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\">5. \u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f<\/h4>\n<p>\u5728\u547d\u4ee4\u884c\u4e2d\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f&#xff1a;<\/p>\n<p>bash<\/p>\n<p>dotnet run <\/p>\n<h4 id=\"6. \u8bbf\u95ee\u56fe\u7247\">6. \u8bbf\u95ee\u56fe\u7247<\/h4>\n<p>\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee\u00a0http:\/\/localhost:5000\/api\/image\/\u6d4b\u8bd5_1740902489326.png&#xff0c;\u6d4f\u89c8\u5668\u5e94\u8be5\u4f1a\u81ea\u52a8\u4e0b\u8f7d\u56fe\u7247\u3002<\/p>\n<h4 id=\"\u89e3\u91ca\">\u89e3\u91ca<\/h4>\n<ul>\n<li>File\u00a0\u65b9\u6cd5\u7528\u4e8e\u8fd4\u56de\u6587\u4ef6\u5185\u5bb9\u3002<\/li>\n<li>&#034;application\/octet-stream&#034;\u00a0MIME 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