请求-简单参数获取
This commit is contained in:
16
http-server-demo/pom.xml
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16
http-server-demo/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.itheima</groupId>
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<artifactId>http-server-demo</artifactId>
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<version>1.0-SNAPSHOT</version>
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<properties>
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<maven.compiler.source>11</maven.compiler.source>
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<maven.compiler.target>11</maven.compiler.target>
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</properties>
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</project>
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92
http-server-demo/src/main/java/com/inmind/Server.java
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92
http-server-demo/src/main/java/com/inmind/Server.java
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package com.inmind;
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import java.io.*;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.nio.charset.StandardCharsets;
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/*
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* 自定义web服务器
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*/
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public class Server {
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public static void main(String[] args) throws IOException {
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ServerSocket ss = new ServerSocket(8080); // 监听指定端口
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System.out.println("server is running...");
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while (true){
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Socket sock = ss.accept();
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System.out.println("connected from " + sock.getRemoteSocketAddress());
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//开启线程处理请求
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Thread t = new Handler(sock);
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t.start();
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}
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}
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}
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class Handler extends Thread {
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Socket sock;
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public Handler(Socket sock) {
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this.sock = sock;
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}
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public void run() {
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try (InputStream input = this.sock.getInputStream(); OutputStream output = this.sock.getOutputStream()) {
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handle(input, output);
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} catch (Exception e) {
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try {
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this.sock.close();
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} catch (IOException ioe) {
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}
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System.out.println("client disconnected.");
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}
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}
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private void handle(InputStream input, OutputStream output) throws IOException {
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BufferedReader reader = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8));
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BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(output, StandardCharsets.UTF_8));
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// 读取HTTP请求:
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boolean requestOk = false;
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String first = reader.readLine();
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if (first.startsWith("GET / HTTP/1.")) {
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requestOk = true;
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}
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for (;;) {
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String header = reader.readLine();
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if (header.isEmpty()) { // 读取到空行时, HTTP Header读取完毕
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break;
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}
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System.out.println(header);
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}
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System.out.println(requestOk ? "Response OK" : "Response Error");
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if (!requestOk) {// 发送错误响应:
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writer.write("HTTP/1.0 404 Not Found\r\n");
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writer.write("Content-Length: 0\r\n");
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writer.write("\r\n");
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writer.flush();
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} else { // 发送成功响应:
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//读取html文件，转换为字符串
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InputStream is = Server.class.getClassLoader().getResourceAsStream("html/a.html");
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BufferedReader br = new BufferedReader(new InputStreamReader(is));
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StringBuilder data = new StringBuilder();
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String line = null;
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while ((line = br.readLine()) != null){
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data.append(line);
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}
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br.close();
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int length = data.toString().getBytes(StandardCharsets.UTF_8).length;
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writer.write("HTTP/1.1 200 OK\r\n");
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writer.write("Connection: keep-alive\r\n");
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writer.write("Content-Type: text/html\r\n");
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writer.write("Content-Length: " + length + "\r\n");
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writer.write("\r\n"); // 空行标识Header和Body的分隔
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writer.write(data.toString());
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writer.flush();
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}
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}
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}
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39
http-server-demo/src/main/resources/html/a.html
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39
http-server-demo/src/main/resources/html/a.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Title</title>
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</head>
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<body>
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<table border="1" cellspacing="0" width="500">
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<tr>
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<th>序号</th>
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<th>品牌名称</th>
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<th>企业名称</th>
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</tr>
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<tr align="center">
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<td>010</td>
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<td>三只松鼠</td>
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<td>三只松鼠</td>
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</tr>
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<tr align="center">
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<td>009</td>
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<td>优衣库</td>
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<td>优衣库</td>
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</tr>
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<tr align="center">
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<td>008</td>
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<td>小米</td>
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<td>小米科技有限公司</td>
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</tr>
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</table>
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</body>
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</html>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>请求方式演示-GET-POST</title>
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</head>
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<body>
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<form action="" method="get">
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姓 名: <input type="text" name="name"> <br>
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密 码: <input type="password" name="password"><br>
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<input type="submit" value="提交表单GET"><br>
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</form>
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<br><br><br>
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<form action="" method="post">
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姓 名: <input type="text" name="name"> <br>
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密 码: <input type="password" name="password"><br>
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<input type="submit" value="提交表单POST"><br>
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</form>
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</body>
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</html>
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33
springboot-web-req-resp/.gitignore
vendored
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33
springboot-web-req-resp/.gitignore
vendored
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HELP.md
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target/
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!.mvn/wrapper/maven-wrapper.jar
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!**/src/main/**/target/
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!**/src/test/**/target/
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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### NetBeans ###
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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build/
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!**/src/main/**/build/
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!**/src/test/**/build/
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### VS Code ###
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.vscode/
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75
springboot-web-req-resp/pom.xml
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75
springboot-web-req-resp/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.inmind</groupId>
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<artifactId>springboot-web-req-resp</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>springboot-web-req-resp</name>
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<description>springboot-web-req-resp</description>
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<properties>
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<java.version>11</java.version>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
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<spring-boot.version>2.7.6</spring-boot.version>
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</properties>
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<!--依赖管理-->
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<dependencies>
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<!--springboot-web起步依赖-->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<!--springboot-单元测试起步依赖-->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-dependencies</artifactId>
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<version>${spring-boot.version}</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.8.1</version>
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<configuration>
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<source>11</source>
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<target>11</target>
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<encoding>UTF-8</encoding>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<version>${spring-boot.version}</version>
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<configuration>
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<mainClass>com.inmind.SpringbootWebReqRespApplication</mainClass>
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<skip>true</skip>
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</configuration>
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<executions>
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<execution>
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<id>repackage</id>
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<goals>
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<goal>repackage</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>
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package com.inmind;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class SpringbootWebReqRespApplication {
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public static void main(String[] args) {
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SpringApplication.run(SpringbootWebReqRespApplication.class, args);
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}
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}
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package com.inmind.controller;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import javax.servlet.http.HttpServletRequest;
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@RestController//当前类是请求处理类
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public class RequestController {
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/*//原始方式，接收简单参数
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@RequestMapping("/simpleParam")
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public String simpleParam(HttpServletRequest request){
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String name = request.getParameter("name");
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String ageStr = request.getParameter("age");
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int age = Integer.parseInt(ageStr);
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System.out.println(name +" "+ age);
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return "ok";
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}*/
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//springboot，接收简单参数
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/*
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@RequestParam
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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）
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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
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*/
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@RequestMapping("/simpleParam")
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public String simpleParam(@RequestParam(name = "name",required = false) String username, Integer age){
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System.out.println(username +" "+ age);
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return "ok";
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}
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}
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@@ -0,0 +1,6 @@
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<html>
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<body>
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<h1>hello word!!!</h1>
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<p>this is a html page</p>
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</body>
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</html>
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@@ -0,0 +1,13 @@
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package com.inmind;
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import org.junit.jupiter.api.Test;
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import org.springframework.boot.test.context.SpringBootTest;
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@SpringBootTest
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class SpringbootWebReqRespApplicationTests {
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@Test
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void contextLoads() {
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}
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}
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