请求-简单参数获取

This commit is contained in:
2025-09-20 15:50:12 +08:00
parent fafc2f1126
commit 2c2bbd2c95
10 changed files with 343 additions and 0 deletions

16
http-server-demo/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.itheima</groupId>
<artifactId>http-server-demo</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
</properties>
</project>

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package com.inmind;
import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
/*
* 自定义web服务器
*/
public class Server {
public static void main(String[] args) throws IOException {
ServerSocket ss = new ServerSocket(8080); // 监听指定端口
System.out.println("server is running...");
while (true){
Socket sock = ss.accept();
System.out.println("connected from " + sock.getRemoteSocketAddress());
//开启线程处理请求
Thread t = new Handler(sock);
t.start();
}
}
}
class Handler extends Thread {
Socket sock;
public Handler(Socket sock) {
this.sock = sock;
}
public void run() {
try (InputStream input = this.sock.getInputStream(); OutputStream output = this.sock.getOutputStream()) {
handle(input, output);
} catch (Exception e) {
try {
this.sock.close();
} catch (IOException ioe) {
}
System.out.println("client disconnected.");
}
}
private void handle(InputStream input, OutputStream output) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8));
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(output, StandardCharsets.UTF_8));
// 读取HTTP请求:
boolean requestOk = false;
String first = reader.readLine();
if (first.startsWith("GET / HTTP/1.")) {
requestOk = true;
}
for (;;) {
String header = reader.readLine();
if (header.isEmpty()) { // 读取到空行时, HTTP Header读取完毕
break;
}
System.out.println(header);
}
System.out.println(requestOk ? "Response OK" : "Response Error");
if (!requestOk) {// 发送错误响应:
writer.write("HTTP/1.0 404 Not Found\r\n");
writer.write("Content-Length: 0\r\n");
writer.write("\r\n");
writer.flush();
} else { // 发送成功响应:
//读取html文件转换为字符串
InputStream is = Server.class.getClassLoader().getResourceAsStream("html/a.html");
BufferedReader br = new BufferedReader(new InputStreamReader(is));
StringBuilder data = new StringBuilder();
String line = null;
while ((line = br.readLine()) != null){
data.append(line);
}
br.close();
int length = data.toString().getBytes(StandardCharsets.UTF_8).length;
writer.write("HTTP/1.1 200 OK\r\n");
writer.write("Connection: keep-alive\r\n");
writer.write("Content-Type: text/html\r\n");
writer.write("Content-Length: " + length + "\r\n");
writer.write("\r\n"); // 空行标识Header和Body的分隔
writer.write(data.toString());
writer.flush();
}
}
}

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<table border="1" cellspacing="0" width="500">
<tr>
<th>序号</th>
<th>品牌名称</th>
<th>企业名称</th>
</tr>
<tr align="center">
<td>010</td>
<td>三只松鼠</td>
<td>三只松鼠</td>
</tr>
<tr align="center">
<td>009</td>
<td>优衣库</td>
<td>优衣库</td>
</tr>
<tr align="center">
<td>008</td>
<td>小米</td>
<td>小米科技有限公司</td>
</tr>
</table>
</body>
</html>

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>请求方式演示-GET-POST</title>
</head>
<body>
<form action="" method="get">
姓 名: <input type="text" name="name"> <br>
密 码: <input type="password" name="password"><br>
<input type="submit" value="提交表单GET"><br>
</form>
<br><br><br>
<form action="" method="post">
姓 名: <input type="text" name="name"> <br>
密 码: <input type="password" name="password"><br>
<input type="submit" value="提交表单POST"><br>
</form>
</body>
</html>

33
springboot-web-req-resp/.gitignore vendored Normal file
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HELP.md
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.inmind</groupId>
<artifactId>springboot-web-req-resp</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>springboot-web-req-resp</name>
<description>springboot-web-req-resp</description>
<properties>
<java.version>11</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<spring-boot.version>2.7.6</spring-boot.version>
</properties>
<!--依赖管理-->
<dependencies>
<!--springboot-web起步依赖-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!--springboot-单元测试起步依赖-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>${spring-boot.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>11</source>
<target>11</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${spring-boot.version}</version>
<configuration>
<mainClass>com.inmind.SpringbootWebReqRespApplication</mainClass>
<skip>true</skip>
</configuration>
<executions>
<execution>
<id>repackage</id>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

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package com.inmind;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringbootWebReqRespApplication {
public static void main(String[] args) {
SpringApplication.run(SpringbootWebReqRespApplication.class, args);
}
}

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package com.inmind.controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletRequest;
@RestController//当前类是请求处理类
public class RequestController {
/*//原始方式,接收简单参数
@RequestMapping("/simpleParam")
public String simpleParam(HttpServletRequest request){
String name = request.getParameter("name");
String ageStr = request.getParameter("age");
int age = Integer.parseInt(ageStr);
System.out.println(name +" "+ age);
return "ok";
}*/
//springboot接收简单参数
/*
@RequestParam
1.当请求参数与方法形参名不一致时那使用该注解进行映射name属性
2.required属性默认是true当前参数成为必须参数可以修改为flase当前参数可选参数
*/
@RequestMapping("/simpleParam")
public String simpleParam(@RequestParam(name = "name",required = false) String username, Integer age){
System.out.println(username +" "+ age);
return "ok";
}
}

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<html>
<body>
<h1>hello word!!!</h1>
<p>this is a html page</p>
</body>
</html>

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package com.inmind;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
class SpringbootWebReqRespApplicationTests {
@Test
void contextLoads() {
}
}