待解析字符串

String content = "pageindex=2&articleId=23462041";

代码

package com.basic;

import java.util.HashMap;

public class Parse03 {
    public static void main(String[] args) {
        String post = "POST http://120.132.0.117:8080/yun90/article/GetRelatedArticles HTTP/1.1\r\nHost: blog.csdn.net\r\nConnection: keep-alive\r\n\r\npageindex=2&articleId=23462041";
        String content = "pageindex=2&articleId=23462041";
        System.out.println(content);

        /*
         * 一、将键值对存入HashMap
         */

        HashMap<String, String> contentMap = new HashMap<String, String>();
        String[] arry1 = content.split("&");
        for (int i = 0; i < arry1.length; i++) {
            String[] arry2 = arry1[i].split("=");
            contentMap.put(arry2[0], arry2[1]);
        }

        System.out.println("---------------------取数据-------------------");
        String articleId = contentMap.get("articleId");
        System.out.println("articleId=" + articleId);

    }
}

待解析字符串

String heads = "Host: blog.csdn.net\r\nConnection: keep-alive";

代码

package com.basic;

import java.util.HashMap;

public class Parse04 {
    public static void main(String[] args) {
        String post = "POST http://120.132.0.117:8080/yun90/article/GetRelatedArticles HTTP/1.1\r\nHost: blog.csdn.net\r\nConnection: keep-alive\r\n\r\npageindex=2&articleId=23462041";

        /*
         * 一、将键值对存入HashMap
         */

        String heads = "Host: blog.csdn.net\r\nConnection: keep-alive";
        System.out.println(heads);
        HashMap<String, String> headsMap = new HashMap<String, String>();
        String[] arry3 = heads.split("\r\n");
        for (int i = 0; i < arry3.length; i++) {
            String[] arry4 = arry3[i].split(":");
            headsMap.put(arry4[0], arry4[1]);
        }

        System.out.println("---------------------取数据-------------------");
        String host = headsMap.get("Host");
        System.out.println("host=" + host);

    }
}