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Daily Archives: 2019年12月25日

ASP.NET Web API 使用Swagger使用笔记

最近换了工作，其中Webapi这块没有文档，之前有了解过Swagger借此机会好好整理下常用的地方分享给有需要的小伙伴。 概述： 1.swagger 引用 2.swagger 问题1.action 方法名称相同处理 3.swagger 问题2.序列化出来的JSON NULL 值处理 4. 汉化及controller说明 5. 统一返回HttpResponseMessage 返回类型 指定 6. 自定义 HTTP Header （oauth2.0 请求） 7.请求示例remarks   1.swagger 引用  第一步：   第二步：修改SwaggerConfig.cs 如 api 版本号，title   第三步：创建项目XML注释文档 右键项目→属性→生成→选中下方的 "XML文档文件" 然后保存 配置启用： c.IncludeXmlComments(string.Format("{0}/bin/BjxWebApis.XML",System.AppDomain.CurrentDomain.BaseDirectory)); 第四步：启动项目 地址：http://localhost:58303/swagger   哈哈 成功了，不对这个是最终效果，下面一步一步来实现吧。 2.swagger 问题1.action 方法名称相同处理 根据错误提示 很快发现 某位大神 同样的接口名 传递了不同参数，导致了这个错误，解决方式： c.ResolveConflictingActions(apiDescriptions => apiDescriptions.First()); 问题解决了 进行下一步 3.swagger 问题2.序列化出来的JSON NULL 值处理 先上图 等了好半天 一直不出来 打开F12一看原来有错，万能的网友帮了我，原来问题出在http://localhost:58303/swagger/docs/v1这个JSON资源上面， 序列化出来的JSON，包含了为NULL的字段，导致swagger-ui-min-js出现异常。 进一步分析是因为我项目使用的newtonsoft.json这个库的配置导致，应该忽略为NULL的字段， 对应解决办法如图： settings.NullValueHandling = NullValueHandling.Ignore;   问题解决了 开心 继续… 4. 汉化及controller说明 看图：咦 怎么控制器没有说明，这个和汉化一起说吧 第一步：定义一个provider实现ISwaggerProvider接口 包含了缓存 名：SwaggerCacheProvider 代码：

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/// <summary>
    /// swagger显示控制器的描述
    /// </summary>
    public class SwaggerCacheProvider : ISwaggerProvider
    {
        private readonly ISwaggerProvider _swaggerProvider;
        private static ConcurrentDictionary<string, SwaggerDocument> _cache =new ConcurrentDictionary<string, SwaggerDocument>();
        private readonly string _xml;
        /// <summary>
        ///
        /// </summary>
        /// <param name="swaggerProvider"></param>
        /// <param name="xml">xml文档路径</param>
        public SwaggerCacheProvider(ISwaggerProvider swaggerProvider,string xml)
        {
            _swaggerProvider = swaggerProvider;
            _xml = xml;
        }
 
        public SwaggerDocument GetSwagger(string rootUrl, string apiVersion)
        {
 
            var cacheKey = string.Format("{0}_{1}", rootUrl, apiVersion);
            SwaggerDocument srcDoc = null;
            //只读取一次
            if (!_cache.TryGetValue(cacheKey, out srcDoc))
            {
                srcDoc = _swaggerProvider.GetSwagger(rootUrl, apiVersion);
 
                srcDoc.vendorExtensions = new Dictionary<string, object> { { "ControllerDesc", GetControllerDesc() } };
                _cache.TryAdd(cacheKey, srcDoc);
            }
            return srcDoc;
        }
 
        /// <summary>
        /// 从API文档中读取控制器描述
        /// </summary>
        /// <returns>所有控制器描述</returns>
        public  ConcurrentDictionary<string, string> GetControllerDesc()
        {
            string xmlpath = _xml;
            ConcurrentDictionary<string, string> controllerDescDict = new ConcurrentDictionary<string, string>();
            if (File.Exists(xmlpath))
            {
                XmlDocument xmldoc = new XmlDocument();
                xmldoc.Load(xmlpath);
                string type = string.Empty, path = string.Empty, controllerName = string.Empty;
 
                string[] arrPath;
                int length = -1, cCount = "Controller".Length;
                XmlNode summaryNode = null;
                foreach (XmlNode node in xmldoc.SelectNodes("//member"))
                {
                    type = node.Attributes["name"].Value;
                    if (type.StartsWith("T:"))
                    {
                        //控制器
                        arrPath = type.Split('.');
                        length = arrPath.Length;
                        controllerName = arrPath[length - 1];
                        if (controllerName.EndsWith("Controller"))
                        {
                            //获取控制器注释
                            summaryNode = node.SelectSingleNode("summary");
                            string key = controllerName.Remove(controllerName.Length - cCount, cCount);
                            if (summaryNode != null && !string.IsNullOrEmpty(summaryNode.InnerText) && !controllerDescDict.ContainsKey(key))
                            {
                                controllerDescDict.TryAdd(key, summaryNode.InnerText.Trim());
                            }
                        }
                    }
                }
            }
            return controllerDescDict;
        }
    }

  第二步：定义一个JS文件,做成嵌入资源，这个js文件的功能主要有两个，一个是汉化，另一个就是在界面上显示控制器的描述文字

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'use strict';
window.SwaggerTranslator = {
    _words: [],
 
    translate: function () {
        var $this = this;
        $('[data-sw-translate]').each(function () {
            $(this).html($this._tryTranslate($(this).html()));
            $(this).val($this._tryTranslate($(this).val()));
            $(this).attr('title', $this._tryTranslate($(this).attr('title')));
        });
    },
 
    setControllerSummary: function () {
 
        try
        {
            console.log($("#input_baseUrl").val());
            $.ajax({
                type: "get",
                async: true,
                url: $("#input_baseUrl").val(),
                dataType: "json",
                success: function (data) {
                    
                    var summaryDict = data.ControllerDesc;
                    console.log(summaryDict);
                    var id, controllerName, strSummary;
                    $("#resources_container .resource").each(function (i, item) {
                        id = $(item).attr("id");
                        if (id) {
                            controllerName = id.substring(9);
                            try {
                                strSummary = summaryDict[controllerName];
                                if (strSummary) {
                                    $(item).children(".heading").children(".options").first().prepend('<li class="controller-summary" style="color:green;" title="' + strSummary + '">' + strSummary + '</li>');
                                }
                            } catch (e)
                            {
                                console.log(e);
                            }
                        }
                    });
                }
            });
        }catch(e)
        {
            console.log(e);
        }
    },
    _tryTranslate: function (word) {
        return this._words[$.trim(word)] !== undefined ? this._words[$.trim(word)] : word;
    },
 
    learn: function (wordsMap) {
        this._words = wordsMap;
    }
};
 
 
/* jshint quotmark: double */
window.SwaggerTranslator.learn({
    "Warning: Deprecated": "警告：已过时",
    "Implementation Notes": "实现备注",
    "Response Class": "响应类",
    "Status": "状态",
    "Parameters": "参数",
    "Parameter": "参数",
    "Value": "值",
    "Description": "描述",
    "Parameter Type": "参数类型",
    "Data Type": "数据类型",
    "Response Messages": "响应消息",
    "HTTP Status Code": "HTTP状态码",
    "Reason": "原因",
    "Response Model": "响应模型",
    "Request URL": "请求URL",
    "Response Body": "响应体",
    "Response Code": "响应码",
    "Response Headers": "响应头",
    "Hide Response": "隐藏响应",
    "Headers": "头",
    "Try it out!": "试一下！",
    "Show/Hide": "显示/隐藏",
    "List Operations": "显示操作",
    "Expand Operations": "展开操作",
    "Raw": "原始",
    "can't parse JSON.  Raw result": "无法解析JSON. 原始结果",
    "Model Schema": "模型架构",
    "Model": "模型",
    "apply": "应用",
    "Username": "用户名",
    "Password": "密码",
    "Terms of service": "服务条款",
    "Created by": "创建者",
    "See more at": "查看更多：",
    "Contact the developer": "联系开发者",
    "api version": "api版本",
    "Response Content Type": "响应Content Type",
    "fetching resource": "正在获取资源",
    "fetching resource list": "正在获取资源列表",
    "Explore": "浏览",
    "Show Swagger Petstore Example Apis": "显示 Swagger Petstore 示例 Apis",
    "Can't read from server.  It may not have the appropriate access-control-origin settings.": "无法从服务器读取。可能没有正确设置access-control-origin。",
    "Please specify the protocol for": "请指定协议：",
    "Can't read swagger JSON from": "无法读取swagger JSON于",
    "Finished Loading Resource Information. Rendering Swagger UI": "已加载资源信息。正在渲染Swagger UI",
    "Unable to read api": "无法读取api",
    "from path": "从路径",
    "server returned": "服务器返回"
});
$(function () {
    window.SwaggerTranslator.translate();
    window.SwaggerTranslator.setControllerSummary();
});

  […]

龙生   25 Dec 2019
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C#使用post方式提交json数据

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            //地址
            string _url = "https://www.dXXXayup.ink/api/User/Login";
            //json参数
            string jsonParam = "{ phonenumber:\"18665885202\",pwd:\"tsp\"}";
            var request = (HttpWebRequest)WebRequest.Create(_url);
            request.Method = "POST";
            request.ContentType = "application/json;charset=UTF-8";
            byte[] byteData = Encoding.UTF8.GetBytes(jsonParam);
            int length = byteData.Length;
            request.ContentLength = length;
            Stream writer = request.GetRequestStream();
            writer.Write(byteData, 0, length);
            writer.Close();
            var response = (HttpWebResponse)request.GetResponse();
            var responseString = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8")).ReadToEnd();
            MessageBox.Show(responseString.ToString());

 

龙生   25 Dec 2019
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