注释

src/main/java/com/wsk/tool/HttpUtils.java

@@ -0,0 +1,93 @@
+package com.wsk.tool;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URLEncoder;
+import java.util.Map;
+
+/**
+ * Created by wsk1103 on 2017/1/2.
+ */
+public class HttpUtils {
+    /*
+     * Function  :   发送Post请求到服务器
+     * Param     :   params请求体内容，encode编码格式
+     */
+    static String submitPostData(String strUrlPath, Map<String, String> params, String encode) {
+
+        byte[] data = getRequestData(params, encode).toString().getBytes();//获得请求体
+        try {
+
+            //String urlPath = "http://192.168.1.9:80/JJKSms/RecSms.php";
+            URL url = new URL(strUrlPath);
+
+            HttpURLConnection httpURLConnection = (HttpURLConnection)url.openConnection();
+            httpURLConnection.setConnectTimeout(3000);     //设置连接超时时间
+            httpURLConnection.setDoInput(true);                  //打开输入流，以便从服务器获取数据
+            httpURLConnection.setDoOutput(true);                 //打开输出流，以便向服务器提交数据
+            httpURLConnection.setRequestMethod("POST");     //设置以Post方式提交数据
+            httpURLConnection.setUseCaches(false);               //使用Post方式不能使用缓存
+            //设置请求体的类型是文本类型
+            httpURLConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
+            //设置请求体的长度
+            httpURLConnection.setRequestProperty("Content-Length", String.valueOf(data.length));
+            //获得输出流，向服务器写入数据
+            OutputStream outputStream = httpURLConnection.getOutputStream();
+            outputStream.write(data);
+
+            int response = httpURLConnection.getResponseCode();            //获得服务器的响应码
+            if(response == HttpURLConnection.HTTP_OK) {
+                InputStream inptStream = httpURLConnection.getInputStream();
+                return dealResponseResult(inptStream);                     //处理服务器的响应结果
+            }
+        } catch (IOException e) {
+            //e.printStackTrace();
+            return "err: " + e.getMessage().toString();
+        }
+        return "-1";
+    }
+
+    /*
+     * Function  :   封装请求体信息
+     * Param     :   params请求体内容，encode编码格式
+     */
+    private static StringBuffer getRequestData(Map<String, String> params, String encode) {
+        StringBuffer stringBuffer = new StringBuffer();        //存储封装好的请求体信息
+        try {
+            for(Map.Entry<String, String> entry : params.entrySet()) {
+                stringBuffer.append(entry.getKey())
+                        .append("=")
+                        .append(URLEncoder.encode(entry.getValue(), encode))
+                        .append("&");
+            }
+            stringBuffer.deleteCharAt(stringBuffer.length() - 1);    //删除最后的一个"&"
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return stringBuffer;
+    }
+
+    /*
+     * Function  :   处理服务器的响应结果（将输入流转化成字符串）
+     * Param     :   inputStream服务器的响应输入流
+     */
+    private static String dealResponseResult(InputStream inputStream) {
+        String resultData = null;      //存储处理结果
+        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+        byte[] data = new byte[1024];
+        int len = 0;
+        try {
+            while((len = inputStream.read(data)) != -1) {
+                byteArrayOutputStream.write(data, 0, len);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        resultData = new String(byteArrayOutputStream.toByteArray());
+        return resultData;
+    }
+}