首页 / HTML / 通过网络得到html，并解析出其中网址

通过网络得到html，并解析出其中网址

内容导读

互联网集市收集整理的这篇技术教程文章主要介绍了通过网络得到html，并解析出其中网址，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含4054字，纯文字阅读大概需要6分钟。

内容图文

 

             1
            import
             java.io.BufferedReader;

             2
            import
             java.io.InputStream;

             3
            import
             java.io.InputStreamReader;

             4
            import
             java.net.URL;

             5
            import
             java.net.URLConnection;

             6
            import
             java.util.ArrayList;

             7
            import
             java.util.List;

             8
             9
            public
            class
             TestIndex {

            10
            11
            private String rootUrl = "http://localhost/apk/";
12private String listUrl = rootUrl + "test-index.htm";
13privatestatic List<String> imageUrlList = new ArrayList<String>();
14publicstaticvoid main(String args[]){
15         TestIndex ti = new TestIndex();
16        ti.getData();
17        System.out.println(imageUrlList.size());
18for(int i=0; i<imageUrlList.size();i++){
19            System.out.println(imageUrlList.get(i));
20        }
2122    }
2324private InputStream getNetInputStream(String urlStr)
25    {
26try27        {
28             URL url = new URL(urlStr);
29             URLConnection conn = url.openConnection();
30            conn.connect();
31             InputStream is = conn.getInputStream();
32return is;
33        }
34catch (Exception e)
35        {
3637        }
38returnnull;
39    }
40privatevoid getData() {
41try42        {
43             InputStream is = getNetInputStream(listUrl);
44             InputStreamReader isr = new InputStreamReader(is);
45             BufferedReader br = new BufferedReader(isr);
46             String s = null;
47             String html="";
48while ((s = br.readLine()) != null)
49            {
50                 html+=s;
51            }
5253            is.close();
54             String startStr = "src=\"https://";
55             String endStr = " width=";
56int start = 0;
57int end = 0;
58int index =0;
59            imageUrlList.clear();
60while (true)
61            {
62                 start = html.indexOf(startStr, index);
63if (start < 0)
64break;
65                 index=start;
66                 end = html.indexOf(endStr, index);
67                 String ss = html.substring(start+5,end-1);
68                imageUrlList.add(ss);
69                 index +=ss.length();
70            }
71        }
72catch (Exception e)
73        {
74// TODO: handle exception75        }
76    }
77 }


解析出htm文件中包含的网址。

 

结果：

            20
https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcRvQgUjsVDBncM3mVIgIyIuE87BnlyJUy2BNsAp8kUoTanrC_css5mVAw
https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcThd8cYjOTmCgYJZxX5ls-xpxaAlH1_yocOSCqI5_7OkL29SNtbCZ7q2Yoj
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTl-FzKmsppxuwzmTITGCv9uDxmrWr1pG0lw8mUD9wkWIloASxQeBEMnVjz
https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcQWbmiZJIXKHV2IoTBp7zSY6kD5g5VPzVtBTLJYYR5nwTtKi2-0_u93qL4e
https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcSlrLi_GtVgUehU7coFe1eMdrJxPdvS42iTqXkla0g75s31NBfAq2u1LE4
https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcSkrlyGxSs8Dr_7k3MUvoGq1vE45LgHZ0zEhIEdD9LLZiaoMcE7IAqn8ho
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTu__OUSJ4R4EKBu4jOi2ZAdHohpVQIBy3-SfnI8FYpN8wVC9kJG_aWuk_w
https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcR3Bf7YtsHJ813A5_wWzpxIy4MbEmqz5NLw3qv1nPxOZqVjH7QlY-qYSCg
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcToB4nJPqVwnzn0xeasnXyhxGgOqHXdypE6KZIMTfV9k52eIrE3iYsA6Ixm
https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcTkKw0LpqdB2eQMUpwdQdvM9DTeNtq1mrvMNivoQtN37p3m0OPsx4ME9i4O
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSZGzMf_3hmdDktz91yp5ZQi-eGWLCenZ0U446sXT2nqYuwlWRI_V_BVIWi
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTQF-55T5GM3dLdaoafPdlIYK0ESNvM6-Bsb4-B2rQTeyD5gGoCKxokExM-
https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcRoRjo4TFeXmx47zE6VH0ylcO0IQ2HBsOHYIMJCI9MsRyg_PF1WhHbqG76Q
https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcRrdegt1koEy51dLWrJAbVMJBlCEZ7fPl2mztYYM6onvxocRCq030Ft1gE
https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcTtnQpte0uq9Ue9nsg25GeO1kw_-Hcn69ozTQkiMBHrXKwlANutyhwKD9XM
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRNRdxzmuFKABoGgyv2SC0gMticosL2LB3V1fBMOwNtVBZxHkyMw4IcWBFj
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQr40CEf75nWCj5dg-oeKtb9zK6mhktu7vnfoYAh5ioy34goC3c9ptDkQwP
https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcQUnyHrVEbppqhZnWnQrijhBFP0X34gRf7pKw6PdT4ggepB2k9g-p71sgGh
https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcR9Us9qblbTJaw47gULXCI8sHKN4I61gYsT2ijebtZzgsMDI8GmYqQpIIw
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSIrW-IbBZjM9Ztn60r9QE1_FIMjt494qGX12tqsLsibYPLuFVwyVSgz1I

 

原文：http://www.cnblogs.com/hixin/p/4158930.html

内容总结

以上是互联网集市为您收集整理的通过网络得到html，并解析出其中网址全部内容，希望文章能够帮你解决通过网络得到html，并解析出其中网址所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错，欢迎将互联网集市网站推荐给程序员好友。

内容备注

版权声明：本文内容由互联网用户自发贡献，该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容， 请发送邮件至 gblab@vip.qq.com 举报，一经查实，本站将立刻删除。

内容手机端

扫描二维码推送至手机访问。

本文链接：https://qyyshop.com/info/1096646.html

来源：【匿名】