1. 使用Java Servlet API
2. 使用Spring Boot框架
3. 使用第三方库如Apache HttpClient
下面是使用Java Servlet API和Spring Boot框架编写HTTP接口的示例:
使用Java Servlet API
// 新建SmsHTTPServer.java文件
package com.atoz.http;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class SmsHTTPServer extends HttpServlet {
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("");
out.println("
Hello World!
");out.println("