Jsoup解析HTML

maven依耐：

<!-- https://mvnrepository.com/artifact/org.jsoup/jsoup -->
    <dependency>
        <groupId>org.jsoup</groupId>
        <artifactId>jsoup</artifactId>
        <version>1.11.3</version>
    </dependency>

/**
     * @Title: testXml 
     * @Description: Jsoup解析HTML
     */
    @Test
    public void testXml(){
        /**
         * <form action="http://www.baidu.com" method="post">
         * <input type="text" name="aaa1" value="1111111"/>
         * <input type="text" name="aaa2" value="1111112"/>
         * </form>
         */
        String rspMsg = "<form action=\"http://www.baidu.com\" method=\"post\"><input type=\"text\" name=\"aaa1\" value=\"1111111\"/>";
        // 将html表单转为Document对象
        Document doc = Jsoup.parse(rspMsg);
        // 从Document中和获取元素对象
        Element payUrl = doc.getElementsByTag("form").get(0);
        // 从元素对象中获取值
        String action = payUrl.attr("action");
        System.out.println(action);

        Elements links = doc.getElementsByTag("input");
        Map<String, Object> htmlMap = new HashMap<String, Object>();
        for (Element link : links) {
            htmlMap.put(link.attr("name"), link.attr("value"));
        }
        System.out.println(htmlMap);
    }