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ChenJiaHe
2020-12-28 486aaaeb4d234e5a1267845b4aaa60354b2b92b0
提交 | 用户 | age
5c5945 1 package com.hx.util;
E 2
3 import java.io.BufferedReader;
4 import java.io.InputStream;
5 import java.io.InputStreamReader;
6 import java.io.OutputStream;
7 import java.io.OutputStreamWriter;
8 import java.net.HttpURLConnection;
9 import java.net.URL;
10 import java.net.URLEncoder;
11 import java.util.ArrayList;
12 import java.util.List;
13 import java.util.Map;
14
15 public class RequestMethod {
16
17     /**
18      * 发送Post请求
19      * @param path 请求路径
20      * @param params 请求参数
21      * @param encoding 编码
22      * @return 服务器端内容
23      */
24     public static String sendPOSTRequest(String path, Map<String, String> params, String encoding) throws Exception{
25         StringBuilder data = new StringBuilder();
26         if(params!=null && !params.isEmpty()){
27             for(Map.Entry<String, String> entry : params.entrySet()){
28                 data.append(entry.getKey()).append("=");
29                 data.append(URLEncoder.encode(entry.getValue(), encoding));
30                 data.append("&");
31             }
32             data.deleteCharAt(data.length() - 1);
33         }
34         byte[] entity = data.toString().getBytes();//生成实体数据
35         HttpURLConnection conn = (HttpURLConnection) new URL(path).openConnection();
36         conn.setConnectTimeout(5000);
37         conn.setRequestMethod("POST");
38         conn.setDoOutput(true);//允许对外输出数据
39         conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
40         conn.setRequestProperty("Content-Length", String.valueOf(entity.length));
41         OutputStream outStream = conn.getOutputStream();
42         outStream.write(entity);
43         if(conn.getResponseCode() == 200){
44             return StreamUtils.InputStreamTOString(conn.getInputStream()) ;
45         }
46         return null;
47     }
48     
49     /**
50      * 发送Post请求
51      * @param path 请求路径
52      * @param content 发送内容
53      * @param encoding 编码
54      * @return 服务器端内容
55      */
56     public static String sendPOSTRequest(String path, String content, String encoding){
57         //byte[] entity = content.toString().getBytes();//生成实体数据
58         try{
59             HttpURLConnection conn = (HttpURLConnection) new URL(path).openConnection();
60             conn.setConnectTimeout(5000);
61             conn.setRequestMethod("POST");
62             conn.setDoOutput(true);//允许对外输出数据
63             conn.setDoInput(true);
64             conn.setUseCaches(false);
65             conn.setRequestProperty("Charset", "utf-8");
66             conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
67             //conn.setRequestProperty("Content-Length", String.valueOf(entity.length));
68             OutputStreamWriter outStream = new OutputStreamWriter(conn.getOutputStream(),"UTF-8");
69             outStream.write(content);
70             outStream.flush();
71             if(conn.getResponseCode() == 200){
72                 return StreamUtils.InputStreamTOString(conn.getInputStream());
73             }
74         }catch(Exception e){
75             e.printStackTrace();
76         }
77         return null;
78     }
79     
80     /**
81      * 发送Post请求
82      * @param path 请求路径
83      * @param entity 发送内容
84      * @param encoding 编码
85      * @return 服务器端内容
86      */
87     public static String sendPOSTRequest(String path, byte[] entity, String encoding) throws Exception{
88         System.out.println("entity:" + entity.length);
89         HttpURLConnection conn = (HttpURLConnection) new URL(path).openConnection();
90         conn.setConnectTimeout(5000);
91         conn.setRequestMethod("POST");
92         conn.setDoOutput(true);//允许对外输出数据
93         conn.setRequestProperty("Content-Type", "application/octet-stream");
94         conn.setRequestProperty("Accept", "application/octet-stream");
95         conn.setRequestProperty("Content-Length", String.valueOf(entity.length));
96         OutputStream outStream = conn.getOutputStream();
97         outStream.write(entity);
98         if(conn.getResponseCode() == 200){
99             return StreamUtils.InputStreamTOString(conn.getInputStream());
100         }
101         return null;
102     }
103     
104     /**
105      * 发送GET请求
106      * @param path 请求路径
107      * @param params 请求参数
108      * @return 服务器端内容
109      */
110     public static String sendGETRequest(String path, Map<String, String> params, String ecoding) throws Exception{
111         // http://192.168.1.100:8080/web/ManageServlet?title=xxx&timelength=90
112         StringBuilder url = new StringBuilder(path);
113         if(params!=null){
114             url.append("?");
115                 for(Map.Entry<String, String> entry : params.entrySet()){
116                     url.append(entry.getKey()).append("=");
117                     url.append(URLEncoder.encode(entry.getValue(), ecoding));
118                     url.append("&");
119                 }
120             url.deleteCharAt(url.length() - 1);
121         }
122         HttpURLConnection conn = (HttpURLConnection)new URL(url.toString()).openConnection();
123         conn.setConnectTimeout(5000);
124         conn.setRequestMethod("GET");
125         if(conn.getResponseCode() == 200){
126             return StreamUtils.InputStreamTOString(conn.getInputStream()) ;
127         }
128         return null;
129     }
130     
131     
132     
133     public static String msg(InputStream in) throws Exception{
134         BufferedReader br = new BufferedReader(new InputStreamReader(in));
135         String line;
136         List<String> lines  = new ArrayList<String>();
137         while((line = br.readLine())!=null){
138             lines.add(line);
139         }
140         if(lines.size()>0){
141             String f = lines.get(0);
142             if(f.indexOf("200")!=-1){
143                 String e = lines.get(lines.size()-1);
144                 return e;
145             }else{
146                 return null;
147             }
148         }else{
149             return null;
150         }
151     }
152 }