http服务器简单实现-HttpServe-get/post处理

最新推荐文章于 2025-07-08 15:50:43 发布

科学的发展-只不过是读大自然写的代码

最新推荐文章于 2025-07-08 15:50:43 发布

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分类专栏： # java http服务器

本文链接：https://blog.youkuaiyun.com/xie__jin__cheng/article/details/93013013

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博客主要涉及代码相关内容，展示了get和post的运行效果，还给出了post客户端代码，聚焦于信息技术中网络请求相关操作。

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代码

import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.InetSocketAddress;
import java.net.URLDecoder;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.apache.commons.io.IOUtils;

import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;

public class HttpServerPostAndGet {

    public static void main(String[] arg) throws Exception {
        HttpServer server = HttpServer.create(new InetSocketAddress(8001), 0);
        server.createContext("/test", new TestHandler());
        server.start();
    }

    static class TestHandler implements HttpHandler{
        @Override
        public void handle(HttpExchange exchange) {
            String response = "http service test:hello world ";

            try{
                //获得查询字符串(get)
                String queryString =  exchange.getRequestURI().getQuery();
                Map<String,String> queryStringInfo = formData2Dic(queryString);
                response = response+"\n get:"+queryString;                
                
                //获得表单提交数据(post)
                String postString = IOUtils.toString(exchange.getRequestBody());
                Map<String,String> postInfo = formData2Dic(postString);
                
                
                response = response + "\n post:";
                
                Collection<String> keys = postInfo.keySet();
                Collection<String> cvalues = postInfo.values();
                Iterator iterk = keys.iterator();
                response = response + "\n keys:";
                Iterator itery = cvalues.iterator();
                while(iterk.hasNext()) {
                	response = response +"  "+iterk.next();
                }
                response = response + "\n values:";
                while(itery.hasNext()) {
                	response = response+"  "+itery.next();
                }
               
                 
                exchange.sendResponseHeaders(200,0);
                OutputStream os = exchange.getResponseBody();
                os.write(response.getBytes());
                os.close();
            }catch (IOException ie) {

            } catch (Exception e) {

            }
        }
    }

    public static Map<String,String> formData2Dic(String formData ) {
        Map<String,String> result = new HashMap<>();
        if(formData== null || formData.trim().length() == 0) {
            return result;
        }
        final String[] items = formData.split("&");
        Arrays.stream(items).forEach(item ->{
            final String[] keyAndVal = item.split("=");
            if( keyAndVal.length == 2) {
                try{
                    final String key = URLDecoder.decode( keyAndVal[0],"utf8");
                    final String val = URLDecoder.decode( keyAndVal[1],"utf8");
                    result.put(key,val);
                }catch (UnsupportedEncodingException e) {}
            }
        });
        return result;
    }
}

get运行效果

get运行效果
post运行效果
post请求

post客户端代码

<html>
<titile></title>
<body>
<form action="http://127.0.0.1:8001/test?page=2&type=1">
	<input name="text1" type="text"/>
	<input name="text2" type="text"/>
	<input type="submit" value="submit" >
</form>
</body>
</html>