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使用用请求数据

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bicijinlian 1 week ago
parent 0355634abe
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Docs/1.3.2.基础使用.使用请求数据.ipynb
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@ -33,7 +33,7 @@
},
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@ -59,9 +59,9 @@
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"配置文件根目录：d:\\软件项目\\学习项目\\HttpClientStudy\\Docs\\Publish\\HttpClientStudy.Core\n",
"配置文件根目录：e:\\王高峰\\我的项目\\学习项目\\HttpClientStudy\\Docs\\Publish\\HttpClientStudy.Core\n",
"启动WebApi项目\n",
"程序[d:\\软件项目\\学习项目\\HttpClientStudy\\Docs\\Publish\\HttpClientStudy.WebApp\\HttpClientStudy.WebApp.exe]已在新的命令行窗口执行。如果未出现新命令行窗口，可能是程序错误造成窗口闪现！\n"
"程序[e:\\王高峰\\我的项目\\学习项目\\HttpClientStudy\\Docs\\Publish\\HttpClientStudy.WebApp\\HttpClientStudy.WebApp.exe]已在新的命令行窗口执行。如果未出现新命令行窗口，可能是程序错误造成窗口闪现！\n"
]
}
],
@ -117,6 +117,141 @@
"## 1、使用url 传参"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"参数放在Url里，形如：http://www.baidu.com?name=zhangsan&age=18, GET、Head请求用的比较多。优点是简单、方便，能被浏览器缓存；缺点是参数长度等限制较多，数据暴露url中，可能比较长。"
]
},
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"cell_type": "code",
"execution_count": 19,
"metadata": {
"vscode": {
"languageId": "polyglot-notebook"
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"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{\"data\":{\"id\":1,\"name\":\"管理员01\",\"password\":\"123456\",\"role\":\"Admin\"},\"code\":1,\"message\":\"成功\"}\r\n"
]
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"<details open=\"open\" class=\"dni-treeview\"><summary><span class=\"dni-code-hint\"><code>HttpClientStudy.Model.BaseResult`1[HttpClientStudy.Model.Account]</code></span></summary><div><table><thead><tr></tr></thead><tbody><tr><td>Data</td><td><div class=\"dni-plaintext\"><pre>HttpClientStudy.Model.BaseResult`1[HttpClientStudy.Model.Account]</pre></div></td></tr><tr><td>Code</td><td><div class=\"dni-plaintext\"><pre>1</pre></div></td></tr><tr><td>Message</td><td><div class=\"dni-plaintext\"><pre>成功</pre></div></td></tr><tr><td>Data</td><td><div class=\"dni-plaintext\"><pre>HttpClientStudy.Model.BaseResult`1[HttpClientStudy.Model.Account]</pre></div></td></tr></tbody></table></div></details><style>\r\n",
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"<details open=\"open\" class=\"dni-treeview\"><summary><span class=\"dni-code-hint\"><code>HttpClientStudy.Model.BaseResult`1[HttpClientStudy.Model.Account]</code></span></summary><div><table><thead><tr></tr></thead><tbody><tr><td>Data</td><td><div class=\"dni-plaintext\"><pre>HttpClientStudy.Model.BaseResult`1[HttpClientStudy.Model.Account]</pre></div></td></tr><tr><td>Code</td><td><div class=\"dni-plaintext\"><pre>1</pre></div></td></tr><tr><td>Message</td><td><div class=\"dni-plaintext\"><pre>成功</pre></div></td></tr><tr><td>Data</td><td><div class=\"dni-plaintext\"><pre>HttpClientStudy.Model.BaseResult`1[HttpClientStudy.Model.Account]</pre></div></td></tr></tbody></table></div></details><style>\r\n",
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"source": [
"/**\n",
" URL传参：适合简单数据类型\n",
"*/\n",
"{\n",
" //获取响应字符串\n",
" {\n",
" var response = await SharedClient.GetAsync(\"api/Normal/GetAccount?id=1\");\n",
" response.EnsureSuccessStatusCode();\n",
" var content = await response.Content.ReadAsStringAsync();\n",
" Console.WriteLine(content);\n",
" }\n",
"\n",
" //获取响应对象\n",
" {\n",
" var response = await SharedClient.GetAsync(\"api/Normal/GetAccount?id=1\");\n",
" response.EnsureSuccessStatusCode();\n",
"\n",
" var result = await response.Content.ReadFromJsonAsync<BaseResult<Account>>();\n",
" result.Display();\n",
" }\n",
"\n",
" //直接获取响应对象\n",
" {\n",
" var result = await SharedClient.GetFromJsonAsync<BaseResult<Account>>(\"api/Normal/GetAccount?id=1\");\n",
" result.Display();\n",
" }\n",
" \n",
"}"
]
},
{
"cell_type": "markdown",
"metadata": {},
@ -124,6 +259,49 @@
"## 2、使用路由传参"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"路由参数，指参数使为URL的一部分，一般由后端API设定好，前端按规定使用即可。例如：后端指定/user/:id，前端使用/user/1，此时id为路由参数。"
]
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"name": "stdout",
"output_type": "stream",
"text": [
"{\"data\":{\"id\":1,\"name\":\"管理员01\",\"password\":\"123456\",\"role\":\"Admin\"},\"code\":1,\"message\":\"成功\"}\r\n"
]
}
],
"source": [
"/*\n",
"** 路由参数：参数是URL的一部分,由后端指定\n",
"*/\n",
"{//大括号：方便折叠、开成单独的作用域\n",
"\n",
" var response = await SharedClient.GetAsync(\"api/Normal/GetAccount/管理员01\");\n",
" \n",
" //确定是成功的响应\n",
" response.EnsureSuccessStatusCode();\n",
"\n",
" //获取响应内容\n",
" var content = await response.Content.ReadAsStringAsync();\n",
"\n",
" //输出 \n",
" Console.WriteLine(content);\n",
"}"
]
},
{
"cell_type": "markdown",
"metadata": {},
@ -131,6 +309,62 @@
"## 3、使用请求头"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"把请求数据放入请求头中，传给后端。当然也可以传多个数据。不过，请求头中传数据限制比较多，一般只传简单的数据：比如jwt token 。"
]
},
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"metadata": {
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{
"name": "stdout",
"output_type": "stream",
"text": [
"{\"data\":{\"id\":1,\"name\":\"管理员01\",\"password\":\"123456\",\"role\":\"Admin\"},\"code\":1,\"message\":\"成功\"}\r\n"
]
}
],
"source": [
"/*\n",
"* 请求头: 值必须是字符串，如果有中文等需进行编码\n",
"*/\n",
"{\n",
" //设置请求头\n",
"\n",
" //中文先编码，服务端接收后要解码\n",
" var codedName = System.Net.WebUtility.UrlEncode(\"管理员01\");\n",
"\n",
" //SharedClient是共用的，所以不能多次添加,先移除旧值\n",
" if (SharedClient.DefaultRequestHeaders.Contains(\"name\"))\n",
" {\n",
" SharedClient.DefaultRequestHeaders.Remove(\"name\");\n",
" }\n",
" \n",
" //添加请求头\n",
" SharedClient.DefaultRequestHeaders.Add(\"name\", codedName);\n",
"\n",
" var response = await SharedClient.GetAsync(\"api/Normal/GetAccountFromHeader\");\n",
" \n",
" //确定是成功的响应\n",
" response.EnsureSuccessStatusCode();\n",
"\n",
" //获取响应内容\n",
" var content = await response.Content.ReadAsStringAsync();\n",
"\n",
" //输出 \n",
" Console.WriteLine(content);\n",
"}"
]
},
{
"cell_type": "markdown",
"metadata": {},
@ -138,12 +372,98 @@
"## 4、使用Form表单"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"简单的Form表单，提交数据。其实是把数据放请求值的一种，后页有详细介绍。"
]
},
{
"cell_type": "code",
"execution_count": 46,
"metadata": {
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{\"data\":\"Id=1&name=管理员01\",\"code\":1,\"message\":\"成功\"}\r\n"
]
}
],
"source": [
"/*\n",
"* Form表单，提交数据。一般为Put或Post提交。\n",
"*/\n",
"{\n",
" // 创建一个MultipartFormDataContent对象,用来存入 Form表单独项及值\n",
" var formContent = new MultipartFormDataContent();\n",
" \n",
" // 添加表单字段\n",
" formContent.Add(new StringContent(\"1\"), \"id\");\n",
" formContent.Add(new StringContent(\"管理员01\"), \"name\");\n",
" \n",
" // 发送POST请求\n",
" var response = await SharedClient.PostAsync(\"api/AdvancedGet/PostFormData\", formContent);\n",
" \n",
" // 读取响应内容\n",
" string responseString = await response.Content.ReadAsStringAsync();\n",
" \n",
" Console.WriteLine(responseString);\n",
"}"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## 5、使用请求体"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"把数据放在请求体中，发送到服务端。可以是简单的字符串，也可以是二进制数据(上传文件)、form表单项、编码过的form表单项、json、流式数据等形式，甚至是这个类型的组合。\n",
"所以请求体也分为这几种(常见的)类型：\n",
"1. StringContent\n",
"2. ByteArrayContent\n",
"3. FormUrlEncodedContent\n",
"4. JsonContent\n",
"5. StreamContent\n",
"6. MultipartContent\n"
]
},
{
"cell_type": "markdown",
"metadata": {
"vscode": {
"languageId": "polyglot-notebook"
}
},
"source": [
"### StringContent 普通文本(也包括很多格式，甚至是自定义格式。要和服务器配合)\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"{\n",
" StringContent content = new StringContent(\"\",Encoding.UTF8, System.Net.Mime.MediaTypeNames.Text.Plain);\n",
"}"
]
}
],
"metadata": {

4
HttpClientStudy.WebApp/Controllers/AdvancedGetController.cs
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@ -170,9 +170,9 @@ namespace HttpClientStudy.WebApp.Controllers
/// </summary>
/// <returns></returns>
[HttpPost]
public IActionResult PostFormData([FromForm,Required]int Id, [FromForm,Required]string name)
public IActionResult PostFormData([FromForm,Required]int id, [FromForm,Required]string name)
{
var paras = $"{nameof(Id)}={Id}&{nameof(name)}={name}";
var paras = $"{nameof(id)}={id}&{nameof(name)}={name}";
var result = BaseResultUtil.Success(paras);
return Ok(result);
}

1
HttpClientStudy.WebApp/Controllers/NormalController.cs
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@ -133,6 +133,7 @@ namespace HttpClientStudy.WebApp.Controllers
var result = BaseResultUtil.Success(account);
return Ok(result);
}
#endregion
#region PUT

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